Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
64019.0
|
113412.0
|
51089.0
|
43146.0
|
Chwefror 1995
|
63715.0
|
110933.0
|
51210.0
|
43067.0
|
Mawrth 1995
|
64114.0
|
111620.0
|
51702.0
|
43296.0
|
Ebrill 1995
|
64623.0
|
112979.0
|
51862.0
|
44087.0
|
Mai 1995
|
64530.0
|
112572.0
|
51721.0
|
43666.0
|
Mehefin 1995
|
65511.0
|
114072.0
|
52451.0
|
44730.0
|
Gorffennaf 1995
|
65225.0
|
115068.0
|
52262.0
|
43785.0
|
Awst 1995
|
64852.0
|
114624.0
|
51927.0
|
43231.0
|
Medi 1995
|
64352.0
|
113180.0
|
51562.0
|
43172.0
|
Hydref 1995
|
64126.0
|
113977.0
|
50577.0
|
43267.0
|
Tachwedd 1995
|
64416.0
|
113811.0
|
51111.0
|
43515.0
|
Rhagfyr 1995
|
64261.0
|
112116.0
|
51536.0
|
43379.0
|
Ionawr 1996
|
64057.0
|
114171.0
|
50935.0
|
42400.0
|
Chwefror 1996
|
63770.0
|
112014.0
|
50979.0
|
42571.0
|
Mawrth 1996
|
63809.0
|
112684.0
|
50919.0
|
42295.0
|
Ebrill 1996
|
64985.0
|
114457.0
|
52083.0
|
43661.0
|
Mai 1996
|
65344.0
|
114613.0
|
52566.0
|
43699.0
|
Mehefin 1996
|
65927.0
|
115658.0
|
52647.0
|
44806.0
|
Gorffennaf 1996
|
67001.0
|
119243.0
|
53323.0
|
44365.0
|
Awst 1996
|
67333.0
|
120047.0
|
53727.0
|
44440.0
|
Medi 1996
|
67196.0
|
119852.0
|
53523.0
|
44495.0
|
Hydref 1996
|
67133.0
|
120038.0
|
53321.0
|
44216.0
|
Tachwedd 1996
|
67967.0
|
120507.0
|
54277.0
|
45217.0
|
Rhagfyr 1996
|
68772.0
|
121669.0
|
54930.0
|
45466.0
|
Ionawr 1997
|
69008.0
|
123928.0
|
54925.0
|
44902.0
|
Chwefror 1997
|
69675.0
|
124504.0
|
55318.0
|
45942.0
|
Mawrth 1997
|
70721.0
|
125311.0
|
56589.0
|
46869.0
|
Ebrill 1997
|
71955.0
|
127822.0
|
57400.0
|
47226.0
|
Mai 1997
|
73359.0
|
130839.0
|
58397.0
|
47910.0
|
Mehefin 1997
|
74440.0
|
133494.0
|
59327.0
|
48392.0
|
Gorffennaf 1997
|
75787.0
|
136547.0
|
60325.0
|
48930.0
|
Awst 1997
|
77465.0
|
139588.0
|
61489.0
|
50251.0
|
Medi 1997
|
78067.0
|
141165.0
|
61944.0
|
50289.0
|
Hydref 1997
|
79067.0
|
142929.0
|
62524.0
|
51225.0
|
Tachwedd 1997
|
79955.0
|
144743.0
|
63165.0
|
51809.0
|
Rhagfyr 1997
|
79839.0
|
143450.0
|
63169.0
|
51701.0
|
Ionawr 1998
|
79976.0
|
145601.0
|
63226.0
|
51585.0
|
Chwefror 1998
|
80218.0
|
143706.0
|
63310.0
|
52950.0
|
Mawrth 1998
|
81185.0
|
145670.0
|
64468.0
|
52547.0
|
Ebrill 1998
|
83176.0
|
150103.0
|
65823.0
|
53800.0
|
Mai 1998
|
83993.0
|
150357.0
|
66849.0
|
54539.0
|
Mehefin 1998
|
85019.0
|
152658.0
|
67211.0
|
55746.0
|
Gorffennaf 1998
|
85994.0
|
156310.0
|
67856.0
|
55404.0
|
Awst 1998
|
86862.0
|
157970.0
|
68627.0
|
56209.0
|
Medi 1998
|
86723.0
|
157918.0
|
68250.0
|
56163.0
|
Hydref 1998
|
86847.0
|
157303.0
|
68352.0
|
56591.0
|
Tachwedd 1998
|
86952.0
|
157947.0
|
68163.0
|
56780.0
|
Rhagfyr 1998
|
86784.0
|
155478.0
|
68389.0
|
57286.0
|
Ionawr 1999
|
87346.0
|
158464.0
|
68734.0
|
56704.0
|
Chwefror 1999
|
87443.0
|
158137.0
|
68620.0
|
57348.0
|
Mawrth 1999
|
88024.0
|
158060.0
|
69265.0
|
58196.0
|
Ebrill 1999
|
89754.0
|
160932.0
|
71219.0
|
58621.0
|
Mai 1999
|
90801.0
|
162621.0
|
71908.0
|
59570.0
|
Mehefin 1999
|
92489.0
|
166400.0
|
73195.0
|
60568.0
|
Gorffennaf 1999
|
94135.0
|
171377.0
|
74351.0
|
60854.0
|
Awst 1999
|
96538.0
|
175181.0
|
76196.0
|
63021.0
|
Medi 1999
|
99137.0
|
180246.0
|
77989.0
|
65129.0
|
Hydref 1999
|
99999.0
|
181297.0
|
78135.0
|
66105.0
|
Tachwedd 1999
|
101397.0
|
183019.0
|
79720.0
|
67046.0
|
Rhagfyr 1999
|
103346.0
|
185094.0
|
81561.0
|
68908.0
|
Ionawr 2000
|
104358.0
|
190710.0
|
81498.0
|
68135.0
|
Chwefror 2000
|
104721.0
|
188908.0
|
82378.0
|
69154.0
|
Mawrth 2000
|
107765.0
|
194685.0
|
84779.0
|
70746.0
|
Ebrill 2000
|
111947.0
|
201608.0
|
87911.0
|
74275.0
|
Mai 2000
|
113099.0
|
203850.0
|
88624.0
|
74988.0
|
Mehefin 2000
|
115640.0
|
206919.0
|
90668.0
|
77158.0
|
Gorffennaf 2000
|
116597.0
|
214203.0
|
90595.0
|
76148.0
|
Awst 2000
|
118743.0
|
216914.0
|
91857.0
|
79055.0
|
Medi 2000
|
118166.0
|
215650.0
|
91760.0
|
78672.0
|
Hydref 2000
|
118370.0
|
217060.0
|
91668.0
|
77777.0
|
Tachwedd 2000
|
117929.0
|
216054.0
|
91220.0
|
78558.0
|
Rhagfyr 2000
|
118983.0
|
213823.0
|
92341.0
|
80809.0
|
Ionawr 2001
|
118668.0
|
215321.0
|
92640.0
|
79102.0
|
Chwefror 2001
|
119198.0
|
215750.0
|
92858.0
|
79337.0
|
Mawrth 2001
|
120770.0
|
217567.0
|
94206.0
|
80985.0
|
Ebrill 2001
|
123754.0
|
224127.0
|
96932.0
|
82551.0
|
Mai 2001
|
125086.0
|
224513.0
|
97839.0
|
84097.0
|
Mehefin 2001
|
127693.0
|
227416.0
|
99756.0
|
87291.0
|
Gorffennaf 2001
|
129751.0
|
235453.0
|
101353.0
|
86491.0
|
Awst 2001
|
131743.0
|
237576.0
|
103055.0
|
88967.0
|
Medi 2001
|
132693.0
|
240194.0
|
103492.0
|
89996.0
|
Hydref 2001
|
134038.0
|
241111.0
|
104436.0
|
90656.0
|
Tachwedd 2001
|
135285.0
|
242919.0
|
105195.0
|
92239.0
|
Rhagfyr 2001
|
136468.0
|
242667.0
|
105848.0
|
94786.0
|
Ionawr 2002
|
137154.0
|
245942.0
|
106460.0
|
93711.0
|
Chwefror 2002
|
136801.0
|
243120.0
|
107298.0
|
93937.0
|
Mawrth 2002
|
139425.0
|
247238.0
|
108936.0
|
95940.0
|
Ebrill 2002
|
141861.0
|
251076.0
|
110795.0
|
98416.0
|
Mai 2002
|
146013.0
|
256410.0
|
114669.0
|
100855.0
|
Mehefin 2002
|
149123.0
|
261775.0
|
117183.0
|
104231.0
|
Gorffennaf 2002
|
153199.0
|
272711.0
|
120048.0
|
104672.0
|
Awst 2002
|
157672.0
|
277903.0
|
124118.0
|
108765.0
|
Medi 2002
|
159843.0
|
282821.0
|
125111.0
|
110289.0
|
Hydref 2002
|
162290.0
|
287374.0
|
126739.0
|
111666.0
|
Tachwedd 2002
|
164980.0
|
291748.0
|
129076.0
|
114349.0
|
Rhagfyr 2002
|
166939.0
|
291128.0
|
130622.0
|
116845.0
|
Ionawr 2003
|
169024.0
|
297156.0
|
132911.0
|
117485.0
|
Chwefror 2003
|
169132.0
|
294457.0
|
132966.0
|
117795.0
|
Mawrth 2003
|
170871.0
|
297690.0
|
134494.0
|
119578.0
|
Ebrill 2003
|
172240.0
|
298391.0
|
135646.0
|
120298.0
|
Mai 2003
|
173815.0
|
300557.0
|
137678.0
|
120542.0
|
Mehefin 2003
|
175525.0
|
301513.0
|
138430.0
|
124558.0
|
Gorffennaf 2003
|
177245.0
|
306678.0
|
140258.0
|
122651.0
|
Awst 2003
|
177730.0
|
306736.0
|
140929.0
|
123711.0
|
Medi 2003
|
176384.0
|
304076.0
|
140080.0
|
122574.0
|
Hydref 2003
|
179187.0
|
306854.0
|
142979.0
|
124995.0
|
Tachwedd 2003
|
180240.0
|
308733.0
|
143636.0
|
125416.0
|
Rhagfyr 2003
|
180699.0
|
304943.0
|
144901.0
|
127593.0
|
Ionawr 2004
|
182139.0
|
311982.0
|
145590.0
|
126690.0
|
Chwefror 2004
|
183091.0
|
310567.0
|
146929.0
|
128210.0
|
Mawrth 2004
|
184545.0
|
311803.0
|
148553.0
|
129704.0
|
Ebrill 2004
|
186611.0
|
311688.0
|
151518.0
|
130247.0
|
Mai 2004
|
189893.0
|
313787.0
|
154690.0
|
134183.0
|
Mehefin 2004
|
192250.0
|
318477.0
|
155986.0
|
136398.0
|
Gorffennaf 2004
|
194728.0
|
324939.0
|
158325.0
|
135381.0
|
Awst 2004
|
198248.0
|
330305.0
|
161207.0
|
139291.0
|
Medi 2004
|
197736.0
|
330539.0
|
160440.0
|
138807.0
|
Hydref 2004
|
197557.0
|
328221.0
|
160558.0
|
139390.0
|
Tachwedd 2004
|
199497.0
|
331519.0
|
162070.0
|
140948.0
|
Rhagfyr 2004
|
197794.0
|
325359.0
|
161440.0
|
141347.0
|
Ionawr 2005
|
195620.0
|
324840.0
|
159778.0
|
138012.0
|
Chwefror 2005
|
196482.0
|
325399.0
|
159958.0
|
138838.0
|
Mawrth 2005
|
196494.0
|
323514.0
|
160913.0
|
138925.0
|
Ebrill 2005
|
197998.0
|
325012.0
|
162280.0
|
139486.0
|
Mai 2005
|
198849.0
|
327389.0
|
162740.0
|
141056.0
|
Mehefin 2005
|
199220.0
|
325719.0
|
164081.0
|
140905.0
|
Gorffennaf 2005
|
200336.0
|
330256.0
|
164478.0
|
140175.0
|
Awst 2005
|
200950.0
|
332677.0
|
164922.0
|
141311.0
|
Medi 2005
|
201181.0
|
332527.0
|
165553.0
|
141160.0
|
Hydref 2005
|
199322.0
|
328177.0
|
163661.0
|
140676.0
|
Tachwedd 2005
|
200577.0
|
329608.0
|
165044.0
|
141481.0
|
Rhagfyr 2005
|
200784.0
|
326014.0
|
165747.0
|
143645.0
|
Ionawr 2006
|
201252.0
|
332321.0
|
165878.0
|
140835.0
|
Chwefror 2006
|
201878.0
|
329949.0
|
166658.0
|
143028.0
|
Mawrth 2006
|
202726.0
|
332815.0
|
167401.0
|
142561.0
|
Ebrill 2006
|
205285.0
|
335524.0
|
169944.0
|
143879.0
|
Mai 2006
|
208458.0
|
342358.0
|
171635.0
|
146855.0
|
Mehefin 2006
|
209556.0
|
341617.0
|
173531.0
|
147885.0
|
Gorffennaf 2006
|
211719.0
|
347959.0
|
175833.0
|
147240.0
|
Awst 2006
|
213017.0
|
351647.0
|
176433.0
|
148158.0
|
Medi 2006
|
214854.0
|
355316.0
|
177597.0
|
149295.0
|
Hydref 2006
|
214634.0
|
353253.0
|
177488.0
|
150142.0
|
Tachwedd 2006
|
216507.0
|
356922.0
|
179054.0
|
150616.0
|
Rhagfyr 2006
|
219389.0
|
357727.0
|
182296.0
|
154452.0
|
Ionawr 2007
|
220546.0
|
364003.0
|
182677.0
|
153438.0
|
Chwefror 2007
|
219879.0
|
360926.0
|
181319.0
|
154934.0
|
Mawrth 2007
|
221581.0
|
364012.0
|
184210.0
|
154339.0
|
Ebrill 2007
|
225548.0
|
368822.0
|
187875.0
|
157575.0
|
Mai 2007
|
230061.0
|
375464.0
|
190996.0
|
161995.0
|
Mehefin 2007
|
231684.0
|
379737.0
|
192401.0
|
162328.0
|
Gorffennaf 2007
|
235796.0
|
390131.0
|
195989.0
|
163552.0
|
Awst 2007
|
236007.0
|
391258.0
|
196044.0
|
163022.0
|
Medi 2007
|
238302.0
|
395608.0
|
197068.0
|
165844.0
|
Hydref 2007
|
238845.0
|
396548.0
|
197693.0
|
166655.0
|
Tachwedd 2007
|
238670.0
|
396608.0
|
196880.0
|
166397.0
|
Rhagfyr 2007
|
237099.0
|
391633.0
|
195657.0
|
166016.0
|
Ionawr 2008
|
235300.0
|
393517.0
|
193565.0
|
164017.0
|
Chwefror 2008
|
231825.0
|
384306.0
|
191511.0
|
161787.0
|
Mawrth 2008
|
232495.0
|
384638.0
|
193319.0
|
160868.0
|
Ebrill 2008
|
230863.0
|
385957.0
|
191698.0
|
158834.0
|
Mai 2008
|
232076.0
|
385568.0
|
192020.0
|
160662.0
|
Mehefin 2008
|
229212.0
|
381598.0
|
190095.0
|
158010.0
|
Gorffennaf 2008
|
227808.0
|
382467.0
|
188173.0
|
156303.0
|
Awst 2008
|
220523.0
|
371516.0
|
181266.0
|
151995.0
|
Medi 2008
|
215167.0
|
364644.0
|
177363.0
|
147843.0
|
Hydref 2008
|
209022.0
|
352529.0
|
171657.0
|
144627.0
|
Tachwedd 2008
|
203088.0
|
343169.0
|
166565.0
|
139652.0
|
Rhagfyr 2008
|
200350.0
|
335741.0
|
166466.0
|
137272.0
|
Ionawr 2009
|
194568.0
|
330906.0
|
158965.0
|
134693.0
|
Chwefror 2009
|
191720.0
|
320331.0
|
157848.0
|
133508.0
|
Mawrth 2009
|
191156.0
|
321190.0
|
157391.0
|
133039.0
|
Ebrill 2009
|
193112.0
|
321426.0
|
160130.0
|
133494.0
|
Mai 2009
|
196756.0
|
328462.0
|
163217.0
|
135343.0
|
Mehefin 2009
|
199318.0
|
334278.0
|
165789.0
|
136036.0
|
Gorffennaf 2009
|
202557.0
|
341293.0
|
168228.0
|
137208.0
|
Awst 2009
|
206729.0
|
348953.0
|
171846.0
|
139529.0
|
Medi 2009
|
209426.0
|
353554.0
|
174151.0
|
141633.0
|
Hydref 2009
|
210508.0
|
355380.0
|
174750.0
|
141522.0
|
Tachwedd 2009
|
212153.0
|
359095.0
|
177199.0
|
142027.0
|
Rhagfyr 2009
|
211679.0
|
352633.0
|
177502.0
|
142790.0
|
Ionawr 2010
|
217936.0
|
372907.0
|
181347.0
|
143396.0
|
Chwefror 2010
|
217339.0
|
369271.0
|
180929.0
|
143545.0
|
Mawrth 2010
|
216665.0
|
369410.0
|
179715.0
|
144593.0
|
Ebrill 2010
|
218270.0
|
370819.0
|
181594.0
|
144626.0
|
Mai 2010
|
220434.0
|
375006.0
|
183273.0
|
146707.0
|
Mehefin 2010
|
222047.0
|
376396.0
|
185517.0
|
147455.0
|
Gorffennaf 2010
|
224554.0
|
386689.0
|
186738.0
|
146434.0
|
Awst 2010
|
224123.0
|
385306.0
|
185433.0
|
146212.0
|
Medi 2010
|
224587.0
|
386543.0
|
186618.0
|
146970.0
|
Hydref 2010
|
221298.0
|
380849.0
|
183127.0
|
144804.0
|
Tachwedd 2010
|
219815.0
|
379784.0
|
181116.0
|
144080.0
|
Rhagfyr 2010
|
218657.0
|
375339.0
|
181207.0
|
143320.0
|
Ionawr 2011
|
216680.0
|
376644.0
|
178553.0
|
141067.0
|
Chwefror 2011
|
217190.0
|
377315.0
|
178614.0
|
142501.0
|
Mawrth 2011
|
215778.0
|
377052.0
|
177739.0
|
140563.0
|
Ebrill 2011
|
218178.0
|
377585.0
|
180257.0
|
142912.0
|
Mai 2011
|
218577.0
|
374108.0
|
180609.0
|
145013.0
|
Mehefin 2011
|
219162.0
|
374882.0
|
181610.0
|
144126.0
|
Gorffennaf 2011
|
222005.0
|
381745.0
|
183978.0
|
145871.0
|
Awst 2011
|
220344.0
|
381796.0
|
182067.0
|
142338.0
|
Medi 2011
|
221239.0
|
384802.0
|
182762.0
|
143009.0
|
Hydref 2011
|
218309.0
|
379415.0
|
179953.0
|
140933.0
|
Tachwedd 2011
|
219732.0
|
379143.0
|
181103.0
|
143997.0
|
Rhagfyr 2011
|
219371.0
|
376032.0
|
181458.0
|
143613.0
|
Ionawr 2012
|
217660.0
|
376093.0
|
180249.0
|
139878.0
|
Chwefror 2012
|
218487.0
|
378447.0
|
180714.0
|
141199.0
|
Mawrth 2012
|
219094.0
|
372718.0
|
182818.0
|
143290.0
|
Ebrill 2012
|
223223.0
|
384572.0
|
184542.0
|
145757.0
|
Mai 2012
|
223509.0
|
384019.0
|
185229.0
|
145638.0
|
Mehefin 2012
|
224379.0
|
382954.0
|
187931.0
|
145843.0
|
Gorffennaf 2012
|
226770.0
|
390705.0
|
188543.0
|
146917.0
|
Awst 2012
|
227861.0
|
392435.0
|
189984.0
|
146381.0
|
Medi 2012
|
228457.0
|
394313.0
|
190163.0
|
147500.0
|
Hydref 2012
|
224927.0
|
386779.0
|
186981.0
|
145765.0
|
Tachwedd 2012
|
224563.0
|
385844.0
|
187361.0
|
144628.0
|
Rhagfyr 2012
|
225865.0
|
388791.0
|
188611.0
|
145036.0
|
Ionawr 2013
|
225210.0
|
388889.0
|
187069.0
|
144010.0
|
Chwefror 2013
|
223861.0
|
386592.0
|
186264.0
|
143583.0
|
Mawrth 2013
|
225295.0
|
389384.0
|
187129.0
|
145030.0
|
Ebrill 2013
|
227862.0
|
392755.0
|
190184.0
|
145983.0
|
Mai 2013
|
228343.0
|
391764.0
|
190361.0
|
147355.0
|
Mehefin 2013
|
230987.0
|
396061.0
|
193229.0
|
148503.0
|
Gorffennaf 2013
|
233752.0
|
402427.0
|
195126.0
|
150079.0
|
Awst 2013
|
234507.0
|
403874.0
|
195655.0
|
149977.0
|
Medi 2013
|
235143.0
|
407009.0
|
195947.0
|
150576.0
|
Hydref 2013
|
235311.0
|
408172.0
|
195373.0
|
150174.0
|
Tachwedd 2013
|
237224.0
|
407719.0
|
197903.0
|
151893.0
|
Rhagfyr 2013
|
238975.0
|
407443.0
|
199519.0
|
154480.0
|
Ionawr 2014
|
240961.0
|
415974.0
|
200100.0
|
154778.0
|
Chwefror 2014
|
241314.0
|
415923.0
|
200720.0
|
154657.0
|
Mawrth 2014
|
243371.0
|
416065.0
|
203092.0
|
156453.0
|
Ebrill 2014
|
247105.0
|
424154.0
|
206603.0
|
158365.0
|
Mai 2014
|
251395.0
|
429120.0
|
210420.0
|
161441.0
|
Mehefin 2014
|
253441.0
|
432724.0
|
211784.0
|
162808.0
|
Gorffennaf 2014
|
257701.0
|
442305.0
|
215888.0
|
164213.0
|
Awst 2014
|
261254.0
|
448927.0
|
218458.0
|
166534.0
|
Medi 2014
|
263171.0
|
451082.0
|
220063.0
|
168716.0
|
Hydref 2014
|
263518.0
|
453030.0
|
219515.0
|
168762.0
|
Tachwedd 2014
|
262969.0
|
451655.0
|
219067.0
|
168497.0
|
Rhagfyr 2014
|
264217.0
|
453551.0
|
220137.0
|
169726.0
|
Ionawr 2015
|
264848.0
|
454770.0
|
220362.0
|
170001.0
|
Chwefror 2015
|
264568.0
|
455278.0
|
220046.0
|
170063.0
|
Mawrth 2015
|
265090.0
|
456703.0
|
219769.0
|
170284.0
|
Ebrill 2015
|
268550.0
|
461849.0
|
223812.0
|
171993.0
|
Mai 2015
|
271147.0
|
463137.0
|
226066.0
|
174360.0
|
Mehefin 2015
|
275224.0
|
471271.0
|
230785.0
|
175118.0
|
Gorffennaf 2015
|
279875.0
|
480280.0
|
233695.0
|
178514.0
|
Awst 2015
|
283369.0
|
486485.0
|
236715.0
|
180600.0
|
Medi 2015
|
284374.0
|
491791.0
|
236881.0
|
181095.0
|
Hydref 2015
|
286452.0
|
493292.0
|
239236.0
|
181978.0
|
Tachwedd 2015
|
288509.0
|
496220.0
|
240490.0
|
183850.0
|
Rhagfyr 2015
|
291298.0
|
501998.0
|
242854.0
|
185071.0
|
Ionawr 2016
|
293678.0
|
504662.0
|
244155.0
|
186887.0
|
Chwefror 2016
|
295613.0
|
508773.0
|
246413.0
|
187995.0
|
Mawrth 2016
|
300201.0
|
518487.0
|
249718.0
|
191559.0
|
Ebrill 2016
|
297712.0
|
508036.0
|
249537.0
|
189745.0
|
Mai 2016
|
301202.0
|
509294.0
|
252591.0
|
194705.0
|
Mehefin 2016
|
305125.0
|
522095.0
|
255173.0
|
195340.0
|
Gorffennaf 2016
|
309069.0
|
527445.0
|
258820.0
|
197521.0
|
Awst 2016
|
309981.0
|
529348.0
|
259416.0
|
198522.0
|
Medi 2016
|
307429.0
|
527197.0
|
255985.0
|
196714.0
|
Hydref 2016
|
307992.0
|
528136.0
|
255471.0
|
198278.0
|
Tachwedd 2016
|
307867.0
|
531277.0
|
255057.0
|
197356.0
|
Rhagfyr 2016
|
309185.0
|
530753.0
|
257084.0
|
198772.0
|
Ionawr 2017
|
312895.0
|
537856.0
|
259964.0
|
200550.0
|
Chwefror 2017
|
310033.0
|
529119.0
|
257314.0
|
202071.0
|
Mawrth 2017
|
310447.0
|
533571.0
|
257310.0
|
199957.0
|
Ebrill 2017
|
313583.0
|
538673.0
|
260031.0
|
202221.0
|
Mai 2017
|
315314.0
|
534450.0
|
261038.0
|
206015.0
|
Mehefin 2017
|
318364.0
|
541993.0
|
264796.0
|
206548.0
|
Gorffennaf 2017
|
321088.0
|
545805.0
|
266921.0
|
208506.0
|
Awst 2017
|
323089.0
|
548986.0
|
269861.0
|
209191.0
|
Medi 2017
|
322596.0
|
553347.0
|
268334.0
|
207478.0
|
Hydref 2017
|
322066.0
|
552055.0
|
267967.0
|
206343.0
|
Tachwedd 2017
|
320212.0
|
545513.0
|
266488.0
|
206615.0
|
Rhagfyr 2017
|
320733.0
|
548505.0
|
267596.0
|
205377.0
|
Ionawr 2018
|
320978.0
|
549709.0
|
266595.0
|
205873.0
|
Chwefror 2018
|
321375.0
|
552016.0
|
267681.0
|
205164.0
|
Mawrth 2018
|
319876.0
|
548207.0
|
267306.0
|
203513.0
|
Ebrill 2018
|
321353.0
|
549680.0
|
269659.0
|
203247.0
|
Mai 2018
|
321825.0
|
552229.0
|
268656.0
|
204199.0
|
Mehefin 2018
|
324665.0
|
555275.0
|
270795.0
|
206501.0
|
Gorffennaf 2018
|
327091.0
|
564084.0
|
273194.0
|
206503.0
|
Awst 2018
|
328061.0
|
562975.0
|
274797.0
|
207476.0
|
Medi 2018
|
327054.0
|
564047.0
|
273391.0
|
205669.0
|
Hydref 2018
|
324475.0
|
559593.0
|
270380.0
|
204871.0
|
Tachwedd 2018
|
323266.0
|
557600.0
|
270326.0
|
203446.0
|
Rhagfyr 2018
|
321118.0
|
550262.0
|
267581.0
|
204090.0
|
Ionawr 2019
|
322226.0
|
558409.0
|
267370.0
|
203084.0
|
Chwefror 2019
|
320095.0
|
553300.0
|
266470.0
|
201609.0
|
Mawrth 2019
|
317129.0
|
546017.0
|
264759.0
|
199205.0
|
Ebrill 2019
|
318912.0
|
548667.0
|
267019.0
|
200272.0
|
Mai 2019
|
318250.0
|
545471.0
|
267782.0
|
199436.0
|
Mehefin 2019
|
320835.0
|
550280.0
|
268303.0
|
202390.0
|
Gorffennaf 2019
|
322549.0
|
553009.0
|
270301.0
|
203269.0
|
Awst 2019
|
322720.0
|
557528.0
|
271085.0
|
200805.0
|
Medi 2019
|
323762.0
|
556751.0
|
272118.0
|
203447.0
|
Hydref 2019
|
322285.0
|
554595.0
|
269580.0
|
201258.0
|
Tachwedd 2019
|
322200.0
|
556681.0
|
269485.0
|
200440.0
|
Rhagfyr 2019
|
321278.0
|
552856.0
|
269522.0
|
201077.0
|
Ionawr 2020
|
321704.0
|
553937.0
|
269932.0
|
200053.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
1.8
|
|
|
|
Chwefror 1995
|
1.3
|
|
|
|
Mawrth 1995
|
2.0
|
|
|
|
Ebrill 1995
|
2.2
|
|
|
|
Mai 1995
|
2.0
|
|
|
|
Mehefin 1995
|
3.6
|
|
|
|
Gorffennaf 1995
|
1.7
|
|
|
|
Awst 1995
|
1.2
|
|
|
|
Medi 1995
|
0.4
|
|
|
|
Hydref 1995
|
-1.6
|
|
|
|
Tachwedd 1995
|
-1.1
|
|
|
|
Rhagfyr 1995
|
-1.4
|
|
|
|
Ionawr 1996
|
0.1
|
0.7
|
-0.3
|
-1.7
|
Chwefror 1996
|
0.1
|
1.0
|
-0.4
|
-1.2
|
Mawrth 1996
|
-0.5
|
1.0
|
-1.5
|
-2.3
|
Ebrill 1996
|
0.6
|
1.3
|
0.4
|
-1.0
|
Mai 1996
|
1.3
|
1.8
|
1.6
|
0.1
|
Mehefin 1996
|
0.6
|
1.4
|
0.4
|
0.2
|
Gorffennaf 1996
|
2.7
|
3.6
|
2.0
|
1.3
|
Awst 1996
|
3.8
|
4.7
|
3.5
|
2.8
|
Medi 1996
|
4.4
|
5.9
|
3.8
|
3.1
|
Hydref 1996
|
4.7
|
5.3
|
5.4
|
2.2
|
Tachwedd 1996
|
5.5
|
5.9
|
6.2
|
3.9
|
Rhagfyr 1996
|
7.0
|
8.5
|
6.6
|
4.8
|
Ionawr 1997
|
7.7
|
8.6
|
7.8
|
5.9
|
Chwefror 1997
|
9.3
|
11.2
|
8.5
|
7.9
|
Mawrth 1997
|
10.8
|
11.2
|
11.1
|
10.8
|
Ebrill 1997
|
10.7
|
11.7
|
10.2
|
8.2
|
Mai 1997
|
12.3
|
14.2
|
11.1
|
9.6
|
Mehefin 1997
|
12.9
|
15.4
|
12.7
|
8.0
|
Gorffennaf 1997
|
13.1
|
14.5
|
13.1
|
10.3
|
Awst 1997
|
15.0
|
16.3
|
14.4
|
13.1
|
Medi 1997
|
16.2
|
17.8
|
15.7
|
13.0
|
Hydref 1997
|
17.8
|
19.1
|
17.3
|
15.8
|
Tachwedd 1997
|
17.6
|
20.1
|
16.4
|
14.6
|
Rhagfyr 1997
|
16.1
|
17.9
|
15.0
|
13.7
|
Ionawr 1998
|
15.9
|
17.5
|
15.1
|
14.9
|
Chwefror 1998
|
15.1
|
15.4
|
14.4
|
15.2
|
Mawrth 1998
|
14.8
|
16.2
|
13.9
|
12.1
|
Ebrill 1998
|
15.6
|
17.4
|
14.7
|
13.9
|
Mai 1998
|
14.5
|
14.9
|
14.5
|
13.8
|
Mehefin 1998
|
14.2
|
14.4
|
13.3
|
15.2
|
Gorffennaf 1998
|
13.5
|
14.5
|
12.5
|
13.2
|
Awst 1998
|
12.1
|
13.2
|
11.6
|
11.9
|
Medi 1998
|
11.1
|
11.9
|
10.2
|
11.7
|
Hydref 1998
|
9.8
|
10.1
|
9.3
|
10.5
|
Tachwedd 1998
|
8.8
|
9.1
|
7.9
|
9.6
|
Rhagfyr 1998
|
8.7
|
8.4
|
8.3
|
10.8
|
Ionawr 1999
|
9.2
|
8.8
|
8.7
|
9.9
|
Chwefror 1999
|
9.0
|
10.0
|
8.4
|
8.3
|
Mawrth 1999
|
8.4
|
8.5
|
7.4
|
10.8
|
Ebrill 1999
|
7.9
|
7.2
|
8.2
|
9.0
|
Mai 1999
|
8.1
|
8.2
|
7.6
|
9.2
|
Mehefin 1999
|
8.8
|
9.0
|
8.9
|
8.6
|
Gorffennaf 1999
|
9.5
|
9.6
|
9.6
|
9.8
|
Awst 1999
|
11.1
|
10.9
|
11.0
|
12.1
|
Medi 1999
|
14.3
|
14.1
|
14.3
|
16.0
|
Hydref 1999
|
15.1
|
15.2
|
14.3
|
16.8
|
Tachwedd 1999
|
16.6
|
15.9
|
17.0
|
18.1
|
Rhagfyr 1999
|
19.1
|
19.0
|
19.3
|
20.3
|
Ionawr 2000
|
19.5
|
20.4
|
18.6
|
20.2
|
Chwefror 2000
|
19.8
|
19.5
|
20.0
|
20.6
|
Mawrth 2000
|
22.4
|
23.2
|
22.4
|
21.6
|
Ebrill 2000
|
24.7
|
25.3
|
23.4
|
26.7
|
Mai 2000
|
24.6
|
25.4
|
23.2
|
25.9
|
Mehefin 2000
|
25.0
|
24.4
|
23.9
|
27.4
|
Gorffennaf 2000
|
23.9
|
25.0
|
21.8
|
25.1
|
Awst 2000
|
23.0
|
23.8
|
20.6
|
25.4
|
Medi 2000
|
19.2
|
19.6
|
17.7
|
20.8
|
Hydref 2000
|
18.4
|
19.7
|
17.3
|
17.7
|
Tachwedd 2000
|
16.3
|
18.0
|
14.4
|
17.2
|
Rhagfyr 2000
|
15.1
|
15.5
|
13.2
|
17.3
|
Ionawr 2001
|
13.7
|
12.9
|
13.7
|
16.1
|
Chwefror 2001
|
13.8
|
14.2
|
12.7
|
14.7
|
Mawrth 2001
|
12.1
|
11.8
|
11.1
|
14.5
|
Ebrill 2001
|
10.6
|
11.2
|
10.3
|
11.1
|
Mai 2001
|
10.6
|
10.1
|
10.4
|
12.2
|
Mehefin 2001
|
10.4
|
9.9
|
10.0
|
13.1
|
Gorffennaf 2001
|
11.3
|
9.9
|
11.9
|
13.6
|
Awst 2001
|
11.0
|
9.5
|
12.2
|
12.5
|
Medi 2001
|
12.3
|
11.4
|
12.8
|
14.4
|
Hydref 2001
|
13.2
|
11.1
|
13.9
|
16.6
|
Tachwedd 2001
|
14.7
|
12.4
|
15.3
|
17.4
|
Rhagfyr 2001
|
14.7
|
13.5
|
14.6
|
17.3
|
Ionawr 2002
|
15.6
|
14.2
|
14.9
|
18.5
|
Chwefror 2002
|
14.8
|
12.7
|
15.6
|
18.4
|
Mawrth 2002
|
15.4
|
13.6
|
15.6
|
18.5
|
Ebrill 2002
|
14.6
|
12.0
|
14.3
|
19.2
|
Mai 2002
|
16.7
|
14.2
|
17.2
|
19.9
|
Mehefin 2002
|
16.8
|
15.1
|
17.5
|
19.4
|
Gorffennaf 2002
|
18.1
|
15.8
|
18.4
|
21.0
|
Awst 2002
|
19.7
|
17.0
|
20.4
|
22.2
|
Medi 2002
|
20.5
|
17.8
|
20.9
|
22.6
|
Hydref 2002
|
21.1
|
19.2
|
21.4
|
23.2
|
Tachwedd 2002
|
22.0
|
20.1
|
22.7
|
24.0
|
Rhagfyr 2002
|
22.3
|
20.0
|
23.4
|
23.3
|
Ionawr 2003
|
23.2
|
20.8
|
24.8
|
25.4
|
Chwefror 2003
|
23.6
|
21.1
|
23.9
|
25.4
|
Mawrth 2003
|
22.6
|
20.4
|
23.5
|
24.6
|
Ebrill 2003
|
21.4
|
18.8
|
22.4
|
22.2
|
Mai 2003
|
19.0
|
17.2
|
20.1
|
19.5
|
Mehefin 2003
|
17.7
|
15.2
|
18.1
|
19.5
|
Gorffennaf 2003
|
15.7
|
12.5
|
16.8
|
17.2
|
Awst 2003
|
12.7
|
10.4
|
13.5
|
13.7
|
Medi 2003
|
10.4
|
7.5
|
12.0
|
11.1
|
Hydref 2003
|
10.4
|
6.8
|
12.8
|
11.9
|
Tachwedd 2003
|
9.2
|
5.8
|
11.3
|
9.7
|
Rhagfyr 2003
|
8.2
|
4.8
|
10.9
|
9.2
|
Ionawr 2004
|
7.8
|
5.0
|
9.5
|
7.8
|
Chwefror 2004
|
8.2
|
5.5
|
10.5
|
8.8
|
Mawrth 2004
|
8.0
|
4.7
|
10.4
|
8.5
|
Ebrill 2004
|
8.3
|
4.5
|
11.7
|
8.3
|
Mai 2004
|
9.2
|
4.4
|
12.4
|
11.3
|
Mehefin 2004
|
9.5
|
5.6
|
12.7
|
9.5
|
Gorffennaf 2004
|
9.9
|
6.0
|
12.9
|
10.4
|
Awst 2004
|
11.5
|
7.7
|
14.4
|
12.6
|
Medi 2004
|
12.1
|
8.7
|
14.5
|
13.2
|
Hydref 2004
|
10.2
|
7.0
|
12.3
|
11.5
|
Tachwedd 2004
|
10.7
|
7.4
|
12.8
|
12.4
|
Rhagfyr 2004
|
9.5
|
6.7
|
11.4
|
10.8
|
Ionawr 2005
|
7.4
|
4.1
|
9.8
|
8.9
|
Chwefror 2005
|
7.3
|
4.8
|
8.9
|
8.3
|
Mawrth 2005
|
6.5
|
3.8
|
8.3
|
7.1
|
Ebrill 2005
|
6.1
|
4.3
|
7.1
|
7.1
|
Mai 2005
|
4.7
|
4.3
|
5.2
|
5.1
|
Mehefin 2005
|
3.6
|
2.3
|
5.2
|
3.3
|
Gorffennaf 2005
|
2.9
|
1.6
|
3.9
|
3.5
|
Awst 2005
|
1.4
|
0.7
|
2.3
|
1.4
|
Medi 2005
|
1.7
|
0.6
|
3.2
|
1.7
|
Hydref 2005
|
0.9
|
-0.0
|
1.9
|
0.9
|
Tachwedd 2005
|
0.5
|
-0.6
|
1.8
|
0.4
|
Rhagfyr 2005
|
1.5
|
0.2
|
2.7
|
1.6
|
Ionawr 2006
|
2.9
|
2.3
|
3.8
|
2.0
|
Chwefror 2006
|
2.8
|
1.4
|
4.2
|
3.0
|
Mawrth 2006
|
3.2
|
2.9
|
4.0
|
2.6
|
Ebrill 2006
|
3.7
|
3.2
|
4.7
|
3.2
|
Mai 2006
|
4.8
|
4.6
|
5.5
|
4.1
|
Mehefin 2006
|
5.2
|
4.9
|
5.8
|
5.0
|
Gorffennaf 2006
|
5.7
|
5.4
|
6.9
|
5.0
|
Awst 2006
|
6.0
|
5.7
|
7.0
|
4.8
|
Medi 2006
|
6.8
|
6.8
|
7.3
|
5.8
|
Hydref 2006
|
7.7
|
7.6
|
8.4
|
6.7
|
Tachwedd 2006
|
7.9
|
8.3
|
8.5
|
6.5
|
Rhagfyr 2006
|
9.3
|
9.7
|
10.0
|
7.5
|
Ionawr 2007
|
9.6
|
9.5
|
10.1
|
9.0
|
Chwefror 2007
|
8.9
|
9.4
|
8.8
|
8.3
|
Mawrth 2007
|
9.3
|
9.4
|
10.0
|
8.3
|
Ebrill 2007
|
9.9
|
9.9
|
10.6
|
9.5
|
Mai 2007
|
10.4
|
9.7
|
11.3
|
10.3
|
Mehefin 2007
|
10.6
|
11.2
|
10.9
|
9.8
|
Gorffennaf 2007
|
11.4
|
12.1
|
11.5
|
11.1
|
Awst 2007
|
10.8
|
11.3
|
11.1
|
10.0
|
Medi 2007
|
10.9
|
11.3
|
11.0
|
11.1
|
Hydref 2007
|
11.3
|
12.3
|
11.4
|
11.0
|
Tachwedd 2007
|
10.2
|
11.1
|
10.0
|
10.5
|
Rhagfyr 2007
|
8.1
|
9.5
|
7.3
|
7.5
|
Ionawr 2008
|
6.7
|
8.1
|
6.0
|
6.9
|
Chwefror 2008
|
5.4
|
6.5
|
5.6
|
4.4
|
Mawrth 2008
|
4.9
|
5.7
|
4.9
|
4.2
|
Ebrill 2008
|
2.4
|
4.6
|
2.0
|
0.8
|
Mai 2008
|
0.9
|
2.7
|
0.5
|
-0.8
|
Mehefin 2008
|
-1.1
|
0.5
|
-1.2
|
-2.7
|
Gorffennaf 2008
|
-3.4
|
-2.0
|
-4.0
|
-4.4
|
Awst 2008
|
-6.6
|
-5.0
|
-7.5
|
-6.8
|
Medi 2008
|
-9.7
|
-7.8
|
-10.0
|
-10.8
|
Hydref 2008
|
-12.5
|
-11.1
|
-13.2
|
-13.2
|
Tachwedd 2008
|
-14.9
|
-13.5
|
-15.4
|
-16.1
|
Rhagfyr 2008
|
-15.5
|
-14.3
|
-14.9
|
-17.3
|
Ionawr 2009
|
-17.3
|
-15.9
|
-17.9
|
-17.9
|
Chwefror 2009
|
-17.3
|
-16.6
|
-17.6
|
-17.5
|
Mawrth 2009
|
-17.8
|
-16.5
|
-18.6
|
-17.3
|
Ebrill 2009
|
-16.4
|
-16.7
|
-16.5
|
-16.0
|
Mai 2009
|
-15.2
|
-14.8
|
-15.0
|
-15.8
|
Mehefin 2009
|
-13.0
|
-12.4
|
-12.8
|
-13.9
|
Gorffennaf 2009
|
-11.1
|
-10.8
|
-10.6
|
-12.2
|
Awst 2009
|
-6.3
|
-6.1
|
-5.2
|
-8.2
|
Medi 2009
|
-2.7
|
-3.0
|
-1.8
|
-4.2
|
Hydref 2009
|
0.7
|
0.8
|
1.8
|
-2.2
|
Tachwedd 2009
|
4.5
|
4.6
|
6.4
|
1.7
|
Rhagfyr 2009
|
5.6
|
5.0
|
6.6
|
4.0
|
Ionawr 2010
|
12.0
|
12.7
|
14.1
|
6.5
|
Chwefror 2010
|
13.4
|
15.3
|
14.6
|
7.5
|
Mawrth 2010
|
13.3
|
15.0
|
14.2
|
8.7
|
Ebrill 2010
|
13.0
|
15.4
|
13.4
|
8.3
|
Mai 2010
|
12.0
|
14.2
|
12.3
|
8.4
|
Mehefin 2010
|
11.4
|
12.6
|
11.9
|
8.4
|
Gorffennaf 2010
|
10.9
|
13.3
|
11.0
|
6.7
|
Awst 2010
|
8.4
|
10.4
|
7.9
|
4.8
|
Medi 2010
|
7.2
|
9.3
|
7.2
|
3.8
|
Hydref 2010
|
5.1
|
7.2
|
4.8
|
2.3
|
Tachwedd 2010
|
3.6
|
5.8
|
2.2
|
1.4
|
Rhagfyr 2010
|
3.3
|
6.4
|
2.1
|
0.4
|
Ionawr 2011
|
-0.6
|
1.0
|
-1.5
|
-1.6
|
Chwefror 2011
|
-0.1
|
2.2
|
-1.3
|
-0.7
|
Mawrth 2011
|
-0.4
|
2.1
|
-1.1
|
-2.8
|
Ebrill 2011
|
-0.0
|
1.8
|
-0.7
|
-1.2
|
Mai 2011
|
-0.8
|
-0.2
|
-1.4
|
-1.2
|
Mehefin 2011
|
-1.3
|
-0.4
|
-2.1
|
-2.3
|
Gorffennaf 2011
|
-1.1
|
-1.3
|
-1.5
|
-0.4
|
Awst 2011
|
-1.7
|
-0.9
|
-1.8
|
-2.6
|
Medi 2011
|
-1.5
|
-0.4
|
-2.1
|
-2.7
|
Hydref 2011
|
-1.4
|
-0.4
|
-1.7
|
-2.7
|
Tachwedd 2011
|
-0.0
|
-0.2
|
-0.0
|
-0.1
|
Rhagfyr 2011
|
0.3
|
0.2
|
0.1
|
0.2
|
Ionawr 2012
|
0.4
|
-0.2
|
1.0
|
-0.8
|
Chwefror 2012
|
0.6
|
0.3
|
1.2
|
-0.9
|
Mawrth 2012
|
1.5
|
-1.2
|
2.9
|
1.9
|
Ebrill 2012
|
2.3
|
1.8
|
2.4
|
2.0
|
Mai 2012
|
2.3
|
2.6
|
2.6
|
0.4
|
Mehefin 2012
|
2.4
|
2.2
|
3.5
|
1.2
|
Gorffennaf 2012
|
2.2
|
2.4
|
2.5
|
0.7
|
Awst 2012
|
3.4
|
2.8
|
4.4
|
2.8
|
Medi 2012
|
3.3
|
2.5
|
4.0
|
3.1
|
Hydref 2012
|
3.0
|
1.9
|
3.9
|
3.4
|
Tachwedd 2012
|
2.2
|
1.8
|
3.5
|
0.4
|
Rhagfyr 2012
|
3.0
|
3.4
|
3.9
|
1.0
|
Ionawr 2013
|
3.5
|
3.4
|
3.8
|
3.0
|
Chwefror 2013
|
2.5
|
2.2
|
3.1
|
1.7
|
Mawrth 2013
|
2.8
|
4.5
|
2.4
|
1.2
|
Ebrill 2013
|
2.1
|
2.1
|
3.1
|
0.2
|
Mai 2013
|
2.2
|
2.0
|
2.8
|
1.2
|
Mehefin 2013
|
2.9
|
3.4
|
2.8
|
1.8
|
Gorffennaf 2013
|
3.1
|
3.0
|
3.5
|
2.2
|
Awst 2013
|
2.9
|
2.9
|
3.0
|
2.5
|
Medi 2013
|
2.9
|
3.2
|
3.0
|
2.1
|
Hydref 2013
|
4.6
|
5.5
|
4.5
|
3.0
|
Tachwedd 2013
|
5.6
|
5.7
|
5.6
|
5.0
|
Rhagfyr 2013
|
5.8
|
4.8
|
5.8
|
6.5
|
Ionawr 2014
|
7.0
|
7.0
|
7.0
|
7.5
|
Chwefror 2014
|
7.8
|
7.6
|
7.8
|
7.7
|
Mawrth 2014
|
8.0
|
6.8
|
8.5
|
7.9
|
Ebrill 2014
|
8.4
|
8.0
|
8.6
|
8.5
|
Mai 2014
|
10.1
|
9.5
|
10.5
|
9.6
|
Mehefin 2014
|
9.7
|
9.3
|
9.6
|
9.6
|
Gorffennaf 2014
|
10.2
|
9.9
|
10.6
|
9.4
|
Awst 2014
|
11.4
|
11.2
|
11.6
|
11.0
|
Medi 2014
|
11.9
|
10.8
|
12.3
|
12.0
|
Hydref 2014
|
12.0
|
11.0
|
12.4
|
12.4
|
Tachwedd 2014
|
10.8
|
10.8
|
10.7
|
10.9
|
Rhagfyr 2014
|
10.6
|
11.3
|
10.3
|
9.9
|
Ionawr 2015
|
9.9
|
9.3
|
10.1
|
9.8
|
Chwefror 2015
|
9.6
|
9.5
|
9.6
|
10.0
|
Mawrth 2015
|
8.9
|
9.8
|
8.2
|
8.8
|
Ebrill 2015
|
8.7
|
8.9
|
8.3
|
8.6
|
Mai 2015
|
7.9
|
7.9
|
7.4
|
8.0
|
Mehefin 2015
|
8.6
|
8.9
|
9.0
|
7.6
|
Gorffennaf 2015
|
8.6
|
8.6
|
8.2
|
8.7
|
Awst 2015
|
8.5
|
8.4
|
8.4
|
8.4
|
Medi 2015
|
8.1
|
9.0
|
7.6
|
7.3
|
Hydref 2015
|
8.7
|
8.9
|
9.0
|
7.8
|
Tachwedd 2015
|
9.7
|
9.9
|
9.8
|
9.1
|
Rhagfyr 2015
|
10.2
|
10.7
|
10.3
|
9.0
|
Ionawr 2016
|
10.9
|
11.0
|
10.8
|
9.9
|
Chwefror 2016
|
11.7
|
11.8
|
12.0
|
10.5
|
Mawrth 2016
|
13.2
|
13.5
|
13.6
|
12.5
|
Ebrill 2016
|
10.9
|
10.0
|
11.5
|
10.3
|
Mai 2016
|
11.1
|
10.0
|
11.7
|
11.7
|
Mehefin 2016
|
10.9
|
10.8
|
10.6
|
11.6
|
Gorffennaf 2016
|
10.4
|
9.8
|
10.8
|
10.6
|
Awst 2016
|
9.4
|
8.8
|
9.6
|
9.9
|
Medi 2016
|
8.1
|
7.2
|
8.1
|
8.6
|
Hydref 2016
|
7.5
|
7.1
|
6.8
|
9.0
|
Tachwedd 2016
|
6.7
|
7.1
|
6.1
|
7.4
|
Rhagfyr 2016
|
6.1
|
5.7
|
5.9
|
7.4
|
Ionawr 2017
|
6.5
|
6.6
|
6.5
|
7.3
|
Chwefror 2017
|
4.9
|
4.0
|
4.4
|
7.5
|
Mawrth 2017
|
3.4
|
2.9
|
3.0
|
4.4
|
Ebrill 2017
|
5.3
|
6.0
|
4.2
|
6.6
|
Mai 2017
|
4.7
|
4.9
|
3.3
|
5.8
|
Mehefin 2017
|
4.3
|
3.8
|
3.8
|
5.7
|
Gorffennaf 2017
|
3.9
|
3.5
|
3.1
|
5.6
|
Awst 2017
|
4.2
|
3.7
|
4.0
|
5.4
|
Medi 2017
|
4.9
|
5.0
|
4.8
|
5.5
|
Hydref 2017
|
4.6
|
4.5
|
4.9
|
4.1
|
Tachwedd 2017
|
4.0
|
2.7
|
4.5
|
4.7
|
Rhagfyr 2017
|
3.7
|
3.3
|
4.1
|
3.3
|
Ionawr 2018
|
2.6
|
2.2
|
2.6
|
2.6
|
Chwefror 2018
|
3.7
|
4.3
|
4.0
|
1.5
|
Mawrth 2018
|
3.0
|
2.7
|
3.9
|
1.8
|
Ebrill 2018
|
2.5
|
2.0
|
3.7
|
0.5
|
Mai 2018
|
2.1
|
3.3
|
2.9
|
-0.9
|
Mehefin 2018
|
2.0
|
2.4
|
2.3
|
-0.0
|
Gorffennaf 2018
|
1.9
|
3.4
|
2.4
|
-1.0
|
Awst 2018
|
1.5
|
2.6
|
1.8
|
-0.8
|
Medi 2018
|
1.4
|
1.9
|
1.9
|
-0.9
|
Hydref 2018
|
0.8
|
1.4
|
0.9
|
-0.7
|
Tachwedd 2018
|
1.0
|
2.2
|
1.4
|
-1.5
|
Rhagfyr 2018
|
0.1
|
0.3
|
-0.0
|
-0.6
|
Ionawr 2019
|
0.4
|
1.6
|
0.3
|
-1.4
|
Chwefror 2019
|
-0.4
|
0.2
|
-0.4
|
-1.7
|
Mawrth 2019
|
-0.9
|
-0.4
|
-1.0
|
-2.1
|
Ebrill 2019
|
-0.8
|
-0.2
|
-1.0
|
-1.5
|
Mai 2019
|
-1.1
|
-1.2
|
-0.3
|
-2.3
|
Mehefin 2019
|
-1.2
|
-0.9
|
-0.9
|
-2.0
|
Gorffennaf 2019
|
-1.4
|
-2.0
|
-1.1
|
-1.6
|
Awst 2019
|
-1.6
|
-1.0
|
-1.4
|
-3.2
|
Medi 2019
|
-1.0
|
-1.3
|
-0.5
|
-1.1
|
Hydref 2019
|
-0.7
|
-0.9
|
-0.3
|
-1.8
|
Tachwedd 2019
|
-0.3
|
-0.2
|
-0.3
|
-1.5
|
Rhagfyr 2019
|
0.1
|
0.5
|
0.7
|
-1.5
|
Ionawr 2020
|
-0.2
|
-0.8
|
1.0
|
-1.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
|
|
|
|
Chwefror 1995
|
-0.5
|
-2.2
|
0.2
|
-0.2
|
Mawrth 1995
|
0.6
|
0.6
|
1.0
|
0.5
|
Ebrill 1995
|
0.8
|
1.2
|
0.3
|
1.8
|
Mai 1995
|
-0.1
|
-0.4
|
-0.3
|
-1.0
|
Mehefin 1995
|
1.5
|
1.3
|
1.4
|
2.4
|
Gorffennaf 1995
|
-0.4
|
0.9
|
-0.4
|
-2.1
|
Awst 1995
|
-0.6
|
-0.4
|
-0.6
|
-1.3
|
Medi 1995
|
-0.8
|
-1.3
|
-0.7
|
-0.1
|
Hydref 1995
|
-0.4
|
0.7
|
-1.9
|
0.2
|
Tachwedd 1995
|
0.4
|
-0.2
|
1.1
|
0.6
|
Rhagfyr 1995
|
-0.2
|
-1.5
|
0.8
|
-0.3
|
Ionawr 1996
|
-0.3
|
1.8
|
-1.2
|
-2.3
|
Chwefror 1996
|
-0.4
|
-1.9
|
0.1
|
0.4
|
Mawrth 1996
|
0.1
|
0.6
|
-0.1
|
-0.6
|
Ebrill 1996
|
1.8
|
1.6
|
2.3
|
3.2
|
Mai 1996
|
0.6
|
0.1
|
0.9
|
0.1
|
Mehefin 1996
|
0.9
|
0.9
|
0.2
|
2.5
|
Gorffennaf 1996
|
1.6
|
3.1
|
1.3
|
-1.0
|
Awst 1996
|
0.5
|
0.7
|
0.8
|
0.2
|
Medi 1996
|
-0.2
|
-0.2
|
-0.4
|
0.1
|
Hydref 1996
|
-0.1
|
0.2
|
-0.4
|
-0.6
|
Tachwedd 1996
|
1.2
|
0.4
|
1.8
|
2.3
|
Rhagfyr 1996
|
1.2
|
1.0
|
1.2
|
0.6
|
Ionawr 1997
|
0.3
|
1.9
|
-0.0
|
-1.2
|
Chwefror 1997
|
1.0
|
0.5
|
0.7
|
2.3
|
Mawrth 1997
|
1.5
|
0.6
|
2.3
|
2.0
|
Ebrill 1997
|
1.7
|
2.0
|
1.4
|
0.8
|
Mai 1997
|
2.0
|
2.4
|
1.7
|
1.4
|
Mehefin 1997
|
1.5
|
2.0
|
1.6
|
1.0
|
Gorffennaf 1997
|
1.8
|
2.3
|
1.7
|
1.1
|
Awst 1997
|
2.2
|
2.2
|
1.9
|
2.7
|
Medi 1997
|
0.8
|
1.1
|
0.7
|
0.1
|
Hydref 1997
|
1.3
|
1.2
|
0.9
|
1.9
|
Tachwedd 1997
|
1.1
|
1.3
|
1.0
|
1.1
|
Rhagfyr 1997
|
-0.2
|
-0.9
|
0.0
|
-0.2
|
Ionawr 1998
|
0.2
|
1.5
|
0.1
|
-0.2
|
Chwefror 1998
|
0.3
|
-1.3
|
0.1
|
2.6
|
Mawrth 1998
|
1.2
|
1.4
|
1.8
|
-0.8
|
Ebrill 1998
|
2.4
|
3.0
|
2.1
|
2.4
|
Mai 1998
|
1.0
|
0.2
|
1.6
|
1.4
|
Mehefin 1998
|
1.2
|
1.5
|
0.5
|
2.2
|
Gorffennaf 1998
|
1.2
|
2.4
|
1.0
|
-0.6
|
Awst 1998
|
1.0
|
1.1
|
1.1
|
1.4
|
Medi 1998
|
-0.2
|
-0.0
|
-0.6
|
-0.1
|
Hydref 1998
|
0.1
|
-0.4
|
0.2
|
0.8
|
Tachwedd 1998
|
0.1
|
0.4
|
-0.3
|
0.3
|
Rhagfyr 1998
|
-0.2
|
-1.6
|
0.3
|
0.9
|
Ionawr 1999
|
0.6
|
1.9
|
0.5
|
-1.0
|
Chwefror 1999
|
0.1
|
-0.2
|
-0.2
|
1.1
|
Mawrth 1999
|
0.7
|
-0.1
|
0.9
|
1.5
|
Ebrill 1999
|
2.0
|
1.8
|
2.8
|
0.7
|
Mai 1999
|
1.2
|
1.0
|
1.0
|
1.6
|
Mehefin 1999
|
1.9
|
2.3
|
1.8
|
1.7
|
Gorffennaf 1999
|
1.8
|
3.0
|
1.6
|
0.5
|
Awst 1999
|
2.6
|
2.2
|
2.5
|
3.6
|
Medi 1999
|
2.7
|
2.9
|
2.4
|
3.4
|
Hydref 1999
|
0.9
|
0.6
|
0.2
|
1.5
|
Tachwedd 1999
|
1.4
|
1.0
|
2.0
|
1.4
|
Rhagfyr 1999
|
1.9
|
1.1
|
2.3
|
2.8
|
Ionawr 2000
|
1.0
|
3.0
|
-0.1
|
-1.1
|
Chwefror 2000
|
0.4
|
-0.9
|
1.1
|
1.5
|
Mawrth 2000
|
2.9
|
3.1
|
2.9
|
2.3
|
Ebrill 2000
|
3.9
|
3.6
|
3.7
|
5.0
|
Mai 2000
|
1.0
|
1.1
|
0.8
|
1.0
|
Mehefin 2000
|
2.2
|
1.5
|
2.3
|
2.9
|
Gorffennaf 2000
|
0.8
|
3.5
|
-0.1
|
-1.3
|
Awst 2000
|
1.8
|
1.3
|
1.4
|
3.8
|
Medi 2000
|
-0.5
|
-0.6
|
-0.1
|
-0.5
|
Hydref 2000
|
0.2
|
0.6
|
-0.1
|
-1.1
|
Tachwedd 2000
|
-0.4
|
-0.5
|
-0.5
|
1.0
|
Rhagfyr 2000
|
0.9
|
-1.0
|
1.2
|
2.9
|
Ionawr 2001
|
-0.3
|
0.7
|
0.3
|
-2.1
|
Chwefror 2001
|
0.4
|
0.2
|
0.2
|
0.3
|
Mawrth 2001
|
1.3
|
0.8
|
1.4
|
2.1
|
Ebrill 2001
|
2.5
|
3.0
|
2.9
|
1.9
|
Mai 2001
|
1.1
|
0.2
|
0.9
|
1.9
|
Mehefin 2001
|
2.1
|
1.3
|
2.0
|
3.8
|
Gorffennaf 2001
|
1.6
|
3.5
|
1.6
|
-0.9
|
Awst 2001
|
1.5
|
0.9
|
1.7
|
2.9
|
Medi 2001
|
0.7
|
1.1
|
0.4
|
1.2
|
Hydref 2001
|
1.0
|
0.4
|
0.9
|
0.7
|
Tachwedd 2001
|
0.9
|
0.8
|
0.7
|
1.8
|
Rhagfyr 2001
|
0.9
|
-0.1
|
0.6
|
2.8
|
Ionawr 2002
|
0.5
|
1.4
|
0.6
|
-1.1
|
Chwefror 2002
|
-0.3
|
-1.2
|
0.8
|
0.2
|
Mawrth 2002
|
1.9
|
1.7
|
1.5
|
2.1
|
Ebrill 2002
|
1.8
|
1.6
|
1.7
|
2.6
|
Mai 2002
|
2.9
|
2.1
|
3.5
|
2.5
|
Mehefin 2002
|
2.1
|
2.1
|
2.2
|
3.4
|
Gorffennaf 2002
|
2.7
|
4.2
|
2.4
|
0.4
|
Awst 2002
|
2.9
|
1.9
|
3.4
|
3.9
|
Medi 2002
|
1.4
|
1.8
|
0.8
|
1.4
|
Hydref 2002
|
1.5
|
1.6
|
1.3
|
1.2
|
Tachwedd 2002
|
1.7
|
1.5
|
1.8
|
2.4
|
Rhagfyr 2002
|
1.2
|
-0.2
|
1.2
|
2.2
|
Ionawr 2003
|
1.2
|
2.1
|
1.8
|
0.6
|
Chwefror 2003
|
0.1
|
-0.9
|
0.0
|
0.3
|
Mawrth 2003
|
1.0
|
1.1
|
1.2
|
1.5
|
Ebrill 2003
|
0.8
|
0.2
|
0.9
|
0.6
|
Mai 2003
|
0.9
|
0.7
|
1.5
|
0.2
|
Mehefin 2003
|
1.0
|
0.3
|
0.6
|
3.3
|
Gorffennaf 2003
|
1.0
|
1.7
|
1.3
|
-1.5
|
Awst 2003
|
0.3
|
0.0
|
0.5
|
0.9
|
Medi 2003
|
-0.8
|
-0.9
|
-0.6
|
-0.9
|
Hydref 2003
|
1.6
|
0.9
|
2.1
|
2.0
|
Tachwedd 2003
|
0.6
|
0.6
|
0.5
|
0.3
|
Rhagfyr 2003
|
0.2
|
-1.2
|
0.9
|
1.7
|
Ionawr 2004
|
0.8
|
2.3
|
0.5
|
-0.7
|
Chwefror 2004
|
0.5
|
-0.4
|
0.9
|
1.2
|
Mawrth 2004
|
0.8
|
0.4
|
1.1
|
1.2
|
Ebrill 2004
|
1.1
|
-0.0
|
2.0
|
0.4
|
Mai 2004
|
1.8
|
0.7
|
2.1
|
3.0
|
Mehefin 2004
|
1.2
|
1.5
|
0.8
|
1.6
|
Gorffennaf 2004
|
1.3
|
2.0
|
1.5
|
-0.8
|
Awst 2004
|
1.8
|
1.6
|
1.8
|
2.9
|
Medi 2004
|
-0.3
|
0.1
|
-0.5
|
-0.4
|
Hydref 2004
|
-0.1
|
-0.7
|
0.1
|
0.4
|
Tachwedd 2004
|
1.0
|
1.0
|
0.9
|
1.1
|
Rhagfyr 2004
|
-0.8
|
-1.9
|
-0.4
|
0.3
|
Ionawr 2005
|
-1.1
|
-0.2
|
-1.0
|
-2.4
|
Chwefror 2005
|
0.4
|
0.2
|
0.1
|
0.6
|
Mawrth 2005
|
0.0
|
-0.6
|
0.6
|
0.1
|
Ebrill 2005
|
0.8
|
0.5
|
0.8
|
0.4
|
Mai 2005
|
0.4
|
0.7
|
0.3
|
1.1
|
Mehefin 2005
|
0.2
|
-0.5
|
0.8
|
-0.1
|
Gorffennaf 2005
|
0.6
|
1.4
|
0.2
|
-0.5
|
Awst 2005
|
0.3
|
0.7
|
0.3
|
0.8
|
Medi 2005
|
0.1
|
-0.1
|
0.4
|
-0.1
|
Hydref 2005
|
-0.9
|
-1.3
|
-1.1
|
-0.3
|
Tachwedd 2005
|
0.6
|
0.4
|
0.8
|
0.6
|
Rhagfyr 2005
|
0.1
|
-1.1
|
0.4
|
1.5
|
Ionawr 2006
|
0.2
|
1.9
|
0.1
|
-2.0
|
Chwefror 2006
|
0.3
|
-0.7
|
0.5
|
1.6
|
Mawrth 2006
|
0.4
|
0.9
|
0.4
|
-0.3
|
Ebrill 2006
|
1.3
|
0.8
|
1.5
|
0.9
|
Mai 2006
|
1.6
|
2.0
|
1.0
|
2.1
|
Mehefin 2006
|
0.5
|
-0.2
|
1.1
|
0.7
|
Gorffennaf 2006
|
1.0
|
1.9
|
1.3
|
-0.4
|
Awst 2006
|
0.6
|
1.1
|
0.3
|
0.6
|
Medi 2006
|
0.9
|
1.0
|
0.7
|
0.8
|
Hydref 2006
|
-0.1
|
-0.6
|
-0.1
|
0.6
|
Tachwedd 2006
|
0.9
|
1.0
|
0.9
|
0.3
|
Rhagfyr 2006
|
1.3
|
0.2
|
1.8
|
2.6
|
Ionawr 2007
|
0.5
|
1.8
|
0.2
|
-0.7
|
Chwefror 2007
|
-0.3
|
-0.8
|
-0.7
|
1.0
|
Mawrth 2007
|
0.8
|
0.9
|
1.6
|
-0.4
|
Ebrill 2007
|
1.8
|
1.3
|
2.0
|
2.1
|
Mai 2007
|
2.0
|
1.8
|
1.7
|
2.8
|
Mehefin 2007
|
0.7
|
1.1
|
0.7
|
0.2
|
Gorffennaf 2007
|
1.8
|
2.7
|
1.9
|
0.8
|
Awst 2007
|
0.1
|
0.3
|
0.0
|
-0.3
|
Medi 2007
|
1.0
|
1.1
|
0.5
|
1.7
|
Hydref 2007
|
0.2
|
0.2
|
0.3
|
0.5
|
Tachwedd 2007
|
-0.1
|
0.0
|
-0.4
|
-0.2
|
Rhagfyr 2007
|
-0.7
|
-1.2
|
-0.6
|
-0.2
|
Ionawr 2008
|
-0.8
|
0.5
|
-1.1
|
-1.2
|
Chwefror 2008
|
-1.5
|
-2.3
|
-1.1
|
-1.4
|
Mawrth 2008
|
0.3
|
0.1
|
0.9
|
-0.6
|
Ebrill 2008
|
-0.7
|
0.3
|
-0.8
|
-1.3
|
Mai 2008
|
0.5
|
-0.1
|
0.2
|
1.2
|
Mehefin 2008
|
-1.2
|
-1.0
|
-1.0
|
-1.6
|
Gorffennaf 2008
|
-0.6
|
0.2
|
-1.0
|
-1.1
|
Awst 2008
|
-3.2
|
-2.9
|
-3.7
|
-2.8
|
Medi 2008
|
-2.4
|
-1.8
|
-2.2
|
-2.7
|
Hydref 2008
|
-2.9
|
-3.3
|
-3.2
|
-2.2
|
Tachwedd 2008
|
-2.8
|
-2.7
|
-3.0
|
-3.4
|
Rhagfyr 2008
|
-1.4
|
-2.2
|
-0.1
|
-1.7
|
Ionawr 2009
|
-2.9
|
-1.4
|
-4.5
|
-1.9
|
Chwefror 2009
|
-1.5
|
-3.2
|
-0.7
|
-0.9
|
Mawrth 2009
|
-0.3
|
0.3
|
-0.3
|
-0.4
|
Ebrill 2009
|
1.0
|
0.1
|
1.7
|
0.3
|
Mai 2009
|
1.9
|
2.2
|
1.9
|
1.4
|
Mehefin 2009
|
1.3
|
1.8
|
1.6
|
0.5
|
Gorffennaf 2009
|
1.6
|
2.1
|
1.5
|
0.9
|
Awst 2009
|
2.1
|
2.2
|
2.2
|
1.7
|
Medi 2009
|
1.3
|
1.3
|
1.3
|
1.5
|
Hydref 2009
|
0.5
|
0.5
|
0.3
|
-0.1
|
Tachwedd 2009
|
0.8
|
1.0
|
1.4
|
0.4
|
Rhagfyr 2009
|
-0.2
|
-1.8
|
0.2
|
0.5
|
Ionawr 2010
|
3.0
|
5.8
|
2.2
|
0.4
|
Chwefror 2010
|
-0.3
|
-1.0
|
-0.2
|
0.1
|
Mawrth 2010
|
-0.3
|
0.0
|
-0.7
|
0.7
|
Ebrill 2010
|
0.7
|
0.4
|
1.0
|
0.0
|
Mai 2010
|
1.0
|
1.1
|
0.9
|
1.4
|
Mehefin 2010
|
0.7
|
0.4
|
1.2
|
0.5
|
Gorffennaf 2010
|
1.1
|
2.7
|
0.7
|
-0.7
|
Awst 2010
|
-0.2
|
-0.4
|
-0.7
|
-0.2
|
Medi 2010
|
0.2
|
0.3
|
0.6
|
0.5
|
Hydref 2010
|
-1.5
|
-1.5
|
-1.9
|
-1.5
|
Tachwedd 2010
|
-0.7
|
-0.3
|
-1.1
|
-0.5
|
Rhagfyr 2010
|
-0.5
|
-1.2
|
0.1
|
-0.5
|
Ionawr 2011
|
-0.9
|
0.4
|
-1.5
|
-1.6
|
Chwefror 2011
|
0.2
|
0.2
|
0.0
|
1.0
|
Mawrth 2011
|
-0.6
|
-0.1
|
-0.5
|
-1.4
|
Ebrill 2011
|
1.1
|
0.1
|
1.4
|
1.7
|
Mai 2011
|
0.2
|
-0.9
|
0.2
|
1.5
|
Mehefin 2011
|
0.3
|
0.2
|
0.6
|
-0.6
|
Gorffennaf 2011
|
1.3
|
1.8
|
1.3
|
1.2
|
Awst 2011
|
-0.8
|
0.0
|
-1.0
|
-2.4
|
Medi 2011
|
0.4
|
0.8
|
0.4
|
0.5
|
Hydref 2011
|
-1.3
|
-1.4
|
-1.5
|
-1.4
|
Tachwedd 2011
|
0.6
|
-0.1
|
0.6
|
2.2
|
Rhagfyr 2011
|
-0.2
|
-0.8
|
0.2
|
-0.3
|
Ionawr 2012
|
-0.8
|
0.0
|
-0.7
|
-2.6
|
Chwefror 2012
|
0.4
|
0.6
|
0.3
|
0.9
|
Mawrth 2012
|
0.3
|
-1.5
|
1.2
|
1.5
|
Ebrill 2012
|
1.9
|
3.2
|
0.9
|
1.7
|
Mai 2012
|
0.1
|
-0.1
|
0.4
|
-0.1
|
Mehefin 2012
|
0.4
|
-0.3
|
1.5
|
0.1
|
Gorffennaf 2012
|
1.1
|
2.0
|
0.3
|
0.7
|
Awst 2012
|
0.5
|
0.4
|
0.8
|
-0.4
|
Medi 2012
|
0.3
|
0.5
|
0.1
|
0.8
|
Hydref 2012
|
-1.6
|
-1.9
|
-1.7
|
-1.2
|
Tachwedd 2012
|
-0.2
|
-0.2
|
0.2
|
-0.8
|
Rhagfyr 2012
|
0.6
|
0.8
|
0.7
|
0.3
|
Ionawr 2013
|
-0.3
|
0.0
|
-0.8
|
-0.7
|
Chwefror 2013
|
-0.6
|
-0.6
|
-0.4
|
-0.3
|
Mawrth 2013
|
0.6
|
0.7
|
0.5
|
1.0
|
Ebrill 2013
|
1.1
|
0.9
|
1.6
|
0.7
|
Mai 2013
|
0.2
|
-0.2
|
0.1
|
0.9
|
Mehefin 2013
|
1.2
|
1.1
|
1.5
|
0.8
|
Gorffennaf 2013
|
1.2
|
1.6
|
1.0
|
1.1
|
Awst 2013
|
0.3
|
0.4
|
0.3
|
-0.1
|
Medi 2013
|
0.3
|
0.8
|
0.2
|
0.4
|
Hydref 2013
|
0.1
|
0.3
|
-0.3
|
-0.3
|
Tachwedd 2013
|
0.8
|
-0.1
|
1.3
|
1.1
|
Rhagfyr 2013
|
0.7
|
-0.1
|
0.8
|
1.7
|
Ionawr 2014
|
0.8
|
2.1
|
0.3
|
0.2
|
Chwefror 2014
|
0.2
|
-0.0
|
0.3
|
-0.1
|
Mawrth 2014
|
0.8
|
0.0
|
1.2
|
1.2
|
Ebrill 2014
|
1.5
|
1.9
|
1.7
|
1.2
|
Mai 2014
|
1.7
|
1.2
|
1.8
|
1.9
|
Mehefin 2014
|
0.8
|
0.8
|
0.6
|
0.8
|
Gorffennaf 2014
|
1.7
|
2.2
|
1.9
|
0.9
|
Awst 2014
|
1.4
|
1.5
|
1.2
|
1.4
|
Medi 2014
|
0.7
|
0.5
|
0.7
|
1.3
|
Hydref 2014
|
0.1
|
0.4
|
-0.2
|
0.0
|
Tachwedd 2014
|
-0.2
|
-0.3
|
-0.2
|
-0.2
|
Rhagfyr 2014
|
0.5
|
0.4
|
0.5
|
0.7
|
Ionawr 2015
|
0.2
|
0.3
|
0.1
|
0.2
|
Chwefror 2015
|
-0.1
|
0.1
|
-0.1
|
0.0
|
Mawrth 2015
|
0.2
|
0.3
|
-0.1
|
0.1
|
Ebrill 2015
|
1.3
|
1.1
|
1.8
|
1.0
|
Mai 2015
|
1.0
|
0.3
|
1.0
|
1.4
|
Mehefin 2015
|
1.5
|
1.8
|
2.1
|
0.4
|
Gorffennaf 2015
|
1.7
|
1.9
|
1.3
|
1.9
|
Awst 2015
|
1.2
|
1.3
|
1.3
|
1.2
|
Medi 2015
|
0.4
|
1.1
|
0.1
|
0.3
|
Hydref 2015
|
0.7
|
0.3
|
1.0
|
0.5
|
Tachwedd 2015
|
0.7
|
0.6
|
0.5
|
1.0
|
Rhagfyr 2015
|
1.0
|
1.2
|
1.0
|
0.7
|
Ionawr 2016
|
0.8
|
0.5
|
0.5
|
1.0
|
Chwefror 2016
|
0.7
|
0.8
|
0.9
|
0.6
|
Mawrth 2016
|
1.6
|
1.9
|
1.3
|
1.9
|
Ebrill 2016
|
-0.8
|
-2.0
|
-0.1
|
-1.0
|
Mai 2016
|
1.2
|
0.2
|
1.2
|
2.6
|
Mehefin 2016
|
1.3
|
2.5
|
1.0
|
0.3
|
Gorffennaf 2016
|
1.3
|
1.0
|
1.4
|
1.1
|
Awst 2016
|
0.3
|
0.4
|
0.2
|
0.5
|
Medi 2016
|
-0.8
|
-0.4
|
-1.3
|
-0.9
|
Hydref 2016
|
0.2
|
0.2
|
-0.2
|
0.8
|
Tachwedd 2016
|
-0.0
|
0.6
|
-0.2
|
-0.5
|
Rhagfyr 2016
|
0.4
|
-0.1
|
0.8
|
0.7
|
Ionawr 2017
|
1.2
|
1.3
|
1.1
|
0.9
|
Chwefror 2017
|
-0.9
|
-1.6
|
-1.0
|
0.8
|
Mawrth 2017
|
0.1
|
0.8
|
0.0
|
-1.0
|
Ebrill 2017
|
1.0
|
1.0
|
1.1
|
1.1
|
Mai 2017
|
0.6
|
-0.8
|
0.4
|
1.9
|
Mehefin 2017
|
1.0
|
1.4
|
1.4
|
0.3
|
Gorffennaf 2017
|
0.9
|
0.7
|
0.8
|
1.0
|
Awst 2017
|
0.6
|
0.6
|
1.1
|
0.3
|
Medi 2017
|
-0.2
|
0.8
|
-0.6
|
-0.8
|
Hydref 2017
|
-0.2
|
-0.2
|
-0.1
|
-0.6
|
Tachwedd 2017
|
-0.6
|
-1.2
|
-0.6
|
0.1
|
Rhagfyr 2017
|
0.2
|
0.6
|
0.4
|
-0.6
|
Ionawr 2018
|
0.1
|
0.2
|
-0.4
|
0.2
|
Chwefror 2018
|
0.1
|
0.4
|
0.4
|
-0.3
|
Mawrth 2018
|
-0.5
|
-0.7
|
-0.1
|
-0.8
|
Ebrill 2018
|
0.5
|
0.3
|
0.9
|
-0.1
|
Mai 2018
|
0.2
|
0.5
|
-0.4
|
0.5
|
Mehefin 2018
|
0.9
|
0.6
|
0.8
|
1.1
|
Gorffennaf 2018
|
0.8
|
1.6
|
0.9
|
0.0
|
Awst 2018
|
0.3
|
-0.2
|
0.6
|
0.5
|
Medi 2018
|
-0.3
|
0.2
|
-0.5
|
-0.9
|
Hydref 2018
|
-0.8
|
-0.8
|
-1.1
|
-0.4
|
Tachwedd 2018
|
-0.4
|
-0.4
|
-0.0
|
-0.7
|
Rhagfyr 2018
|
-0.7
|
-1.3
|
-1.0
|
0.3
|
Ionawr 2019
|
0.4
|
1.5
|
-0.1
|
-0.5
|
Chwefror 2019
|
-0.7
|
-0.9
|
-0.3
|
-0.7
|
Mawrth 2019
|
-0.9
|
-1.3
|
-0.6
|
-1.2
|
Ebrill 2019
|
0.6
|
0.5
|
0.8
|
0.5
|
Mai 2019
|
-0.2
|
-0.6
|
0.3
|
-0.4
|
Mehefin 2019
|
0.8
|
0.9
|
0.2
|
1.5
|
Gorffennaf 2019
|
0.5
|
0.5
|
0.7
|
0.4
|
Awst 2019
|
0.1
|
0.8
|
0.3
|
-1.2
|
Medi 2019
|
0.3
|
-0.1
|
0.4
|
1.3
|
Hydref 2019
|
-0.5
|
-0.4
|
-0.9
|
-1.1
|
Tachwedd 2019
|
-0.0
|
0.4
|
-0.0
|
-0.4
|
Rhagfyr 2019
|
-0.3
|
-0.7
|
0.0
|
0.3
|
Ionawr 2020
|
0.1
|
0.2
|
0.2
|
-0.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
24.2
|
24.9
|
23.2
|
25.4
|
Chwefror 1995
|
24.1
|
24.4
|
23.2
|
25.3
|
Mawrth 1995
|
24.2
|
24.5
|
23.5
|
25.5
|
Ebrill 1995
|
24.4
|
24.8
|
23.5
|
25.9
|
Mai 1995
|
24.4
|
24.8
|
23.5
|
25.7
|
Mehefin 1995
|
24.7
|
25.1
|
23.8
|
26.3
|
Gorffennaf 1995
|
24.6
|
25.3
|
23.7
|
25.8
|
Awst 1995
|
24.5
|
25.2
|
23.6
|
25.4
|
Medi 1995
|
24.3
|
24.9
|
23.4
|
25.4
|
Hydref 1995
|
24.2
|
25.1
|
23.0
|
25.4
|
Tachwedd 1995
|
24.3
|
25.0
|
23.2
|
25.6
|
Rhagfyr 1995
|
24.3
|
24.6
|
23.4
|
25.5
|
Ionawr 1996
|
24.2
|
25.1
|
23.1
|
24.9
|
Chwefror 1996
|
24.1
|
24.6
|
23.1
|
25.0
|
Mawrth 1996
|
24.1
|
24.8
|
23.1
|
24.9
|
Ebrill 1996
|
24.5
|
25.2
|
23.6
|
25.7
|
Mai 1996
|
24.7
|
25.2
|
23.8
|
25.7
|
Mehefin 1996
|
24.9
|
25.4
|
23.9
|
26.4
|
Gorffennaf 1996
|
25.3
|
26.2
|
24.2
|
26.1
|
Awst 1996
|
25.4
|
26.4
|
24.4
|
26.1
|
Medi 1996
|
25.4
|
26.4
|
24.3
|
26.2
|
Hydref 1996
|
25.4
|
26.4
|
24.2
|
26.0
|
Tachwedd 1996
|
25.7
|
26.5
|
24.6
|
26.6
|
Rhagfyr 1996
|
26.0
|
26.8
|
24.9
|
26.7
|
Ionawr 1997
|
26.1
|
27.2
|
24.9
|
26.4
|
Chwefror 1997
|
26.3
|
27.4
|
25.1
|
27.0
|
Mawrth 1997
|
26.7
|
27.6
|
25.7
|
27.6
|
Ebrill 1997
|
27.2
|
28.1
|
26.0
|
27.8
|
Mai 1997
|
27.7
|
28.8
|
26.5
|
28.2
|
Mehefin 1997
|
28.1
|
29.4
|
26.9
|
28.5
|
Gorffennaf 1997
|
28.6
|
30.0
|
27.4
|
28.8
|
Awst 1997
|
29.2
|
30.7
|
27.9
|
29.6
|
Medi 1997
|
29.5
|
31.0
|
28.1
|
29.6
|
Hydref 1997
|
29.8
|
31.4
|
28.4
|
30.1
|
Tachwedd 1997
|
30.2
|
31.8
|
28.7
|
30.5
|
Rhagfyr 1997
|
30.1
|
31.5
|
28.7
|
30.4
|
Ionawr 1998
|
30.2
|
32.0
|
28.7
|
30.3
|
Chwefror 1998
|
30.3
|
31.6
|
28.7
|
31.2
|
Mawrth 1998
|
30.6
|
32.0
|
29.3
|
30.9
|
Ebrill 1998
|
31.4
|
33.0
|
29.9
|
31.6
|
Mai 1998
|
31.7
|
33.1
|
30.3
|
32.1
|
Mehefin 1998
|
32.1
|
33.6
|
30.5
|
32.8
|
Gorffennaf 1998
|
32.5
|
34.4
|
30.8
|
32.6
|
Awst 1998
|
32.8
|
34.7
|
31.1
|
33.1
|
Medi 1998
|
32.7
|
34.7
|
31.0
|
33.0
|
Hydref 1998
|
32.8
|
34.6
|
31.0
|
33.3
|
Tachwedd 1998
|
32.8
|
34.7
|
30.9
|
33.4
|
Rhagfyr 1998
|
32.8
|
34.2
|
31.0
|
33.7
|
Ionawr 1999
|
33.0
|
34.8
|
31.2
|
33.4
|
Chwefror 1999
|
33.0
|
34.8
|
31.1
|
33.7
|
Mawrth 1999
|
33.2
|
34.8
|
31.4
|
34.2
|
Ebrill 1999
|
33.9
|
35.4
|
32.3
|
34.5
|
Mai 1999
|
34.3
|
35.8
|
32.6
|
35.0
|
Mehefin 1999
|
34.9
|
36.6
|
33.2
|
35.6
|
Gorffennaf 1999
|
35.5
|
37.7
|
33.7
|
35.8
|
Awst 1999
|
36.4
|
38.5
|
34.6
|
37.1
|
Medi 1999
|
37.4
|
39.6
|
35.4
|
38.3
|
Hydref 1999
|
37.8
|
39.9
|
35.5
|
38.9
|
Tachwedd 1999
|
38.3
|
40.2
|
36.2
|
39.4
|
Rhagfyr 1999
|
39.0
|
40.7
|
37.0
|
40.5
|
Ionawr 2000
|
39.4
|
41.9
|
37.0
|
40.1
|
Chwefror 2000
|
39.5
|
41.5
|
37.4
|
40.7
|
Mawrth 2000
|
40.7
|
42.8
|
38.5
|
41.6
|
Ebrill 2000
|
42.3
|
44.3
|
39.9
|
43.7
|
Mai 2000
|
42.7
|
44.8
|
40.2
|
44.1
|
Mehefin 2000
|
43.7
|
45.5
|
41.2
|
45.4
|
Gorffennaf 2000
|
44.0
|
47.1
|
41.1
|
44.8
|
Awst 2000
|
44.8
|
47.7
|
41.7
|
46.5
|
Medi 2000
|
44.6
|
47.4
|
41.6
|
46.3
|
Hydref 2000
|
44.7
|
47.7
|
41.6
|
45.8
|
Tachwedd 2000
|
44.5
|
47.5
|
41.4
|
46.2
|
Rhagfyr 2000
|
44.9
|
47.0
|
41.9
|
47.5
|
Ionawr 2001
|
44.8
|
47.4
|
42.0
|
46.5
|
Chwefror 2001
|
45.0
|
47.4
|
42.1
|
46.7
|
Mawrth 2001
|
45.6
|
47.8
|
42.8
|
47.6
|
Ebrill 2001
|
46.7
|
49.3
|
44.0
|
48.6
|
Mai 2001
|
47.2
|
49.4
|
44.4
|
49.5
|
Mehefin 2001
|
48.2
|
50.0
|
45.3
|
51.4
|
Gorffennaf 2001
|
49.0
|
51.8
|
46.0
|
50.9
|
Awst 2001
|
49.7
|
52.2
|
46.8
|
52.3
|
Medi 2001
|
50.1
|
52.8
|
47.0
|
52.9
|
Hydref 2001
|
50.6
|
53.0
|
47.4
|
53.3
|
Tachwedd 2001
|
51.1
|
53.4
|
47.7
|
54.3
|
Rhagfyr 2001
|
51.5
|
53.4
|
48.0
|
55.8
|
Ionawr 2002
|
51.8
|
54.1
|
48.3
|
55.1
|
Chwefror 2002
|
51.6
|
53.5
|
48.7
|
55.3
|
Mawrth 2002
|
52.6
|
54.4
|
49.4
|
56.4
|
Ebrill 2002
|
53.6
|
55.2
|
50.3
|
57.9
|
Mai 2002
|
55.1
|
56.4
|
52.0
|
59.3
|
Mehefin 2002
|
56.3
|
57.6
|
53.2
|
61.3
|
Gorffennaf 2002
|
57.8
|
60.0
|
54.5
|
61.6
|
Awst 2002
|
59.5
|
61.1
|
56.3
|
64.0
|
Medi 2002
|
60.4
|
62.2
|
56.8
|
64.9
|
Hydref 2002
|
61.3
|
63.2
|
57.5
|
65.7
|
Tachwedd 2002
|
62.3
|
64.2
|
58.6
|
67.3
|
Rhagfyr 2002
|
63.0
|
64.0
|
59.3
|
68.7
|
Ionawr 2003
|
63.8
|
65.3
|
60.3
|
69.1
|
Chwefror 2003
|
63.9
|
64.8
|
60.3
|
69.3
|
Mawrth 2003
|
64.5
|
65.5
|
61.0
|
70.3
|
Ebrill 2003
|
65.0
|
65.6
|
61.6
|
70.8
|
Mai 2003
|
65.6
|
66.1
|
62.5
|
70.9
|
Mehefin 2003
|
66.3
|
66.3
|
62.8
|
73.3
|
Gorffennaf 2003
|
66.9
|
67.4
|
63.6
|
72.2
|
Awst 2003
|
67.1
|
67.4
|
64.0
|
72.8
|
Medi 2003
|
66.6
|
66.9
|
63.6
|
72.1
|
Hydref 2003
|
67.7
|
67.5
|
64.9
|
73.5
|
Tachwedd 2003
|
68.0
|
67.9
|
65.2
|
73.8
|
Rhagfyr 2003
|
68.2
|
67.0
|
65.8
|
75.0
|
Ionawr 2004
|
68.8
|
68.6
|
66.1
|
74.5
|
Chwefror 2004
|
69.1
|
68.3
|
66.7
|
75.4
|
Mawrth 2004
|
69.7
|
68.6
|
67.4
|
76.3
|
Ebrill 2004
|
70.5
|
68.5
|
68.8
|
76.6
|
Mai 2004
|
71.7
|
69.0
|
70.2
|
78.9
|
Mehefin 2004
|
72.6
|
70.0
|
70.8
|
80.2
|
Gorffennaf 2004
|
73.5
|
71.4
|
71.8
|
79.6
|
Awst 2004
|
74.8
|
72.6
|
73.2
|
81.9
|
Medi 2004
|
74.7
|
72.7
|
72.8
|
81.6
|
Hydref 2004
|
74.6
|
72.2
|
72.9
|
82.0
|
Tachwedd 2004
|
75.3
|
72.9
|
73.6
|
82.9
|
Rhagfyr 2004
|
74.7
|
71.5
|
73.3
|
83.1
|
Ionawr 2005
|
73.9
|
71.4
|
72.5
|
81.2
|
Chwefror 2005
|
74.2
|
71.6
|
72.6
|
81.7
|
Mawrth 2005
|
74.2
|
71.1
|
73.0
|
81.7
|
Ebrill 2005
|
74.8
|
71.5
|
73.6
|
82.0
|
Mai 2005
|
75.1
|
72.0
|
73.8
|
83.0
|
Mehefin 2005
|
75.2
|
71.6
|
74.5
|
82.9
|
Gorffennaf 2005
|
75.6
|
72.6
|
74.6
|
82.5
|
Awst 2005
|
75.9
|
73.2
|
74.8
|
83.1
|
Medi 2005
|
76.0
|
73.1
|
75.1
|
83.0
|
Hydref 2005
|
75.3
|
72.2
|
74.3
|
82.8
|
Tachwedd 2005
|
75.7
|
72.5
|
74.9
|
83.2
|
Rhagfyr 2005
|
75.8
|
71.7
|
75.2
|
84.5
|
Ionawr 2006
|
76.0
|
73.1
|
75.3
|
82.8
|
Chwefror 2006
|
76.2
|
72.6
|
75.6
|
84.1
|
Mawrth 2006
|
76.5
|
73.2
|
76.0
|
83.9
|
Ebrill 2006
|
77.5
|
73.8
|
77.1
|
84.6
|
Mai 2006
|
78.7
|
75.3
|
77.9
|
86.4
|
Mehefin 2006
|
79.1
|
75.1
|
78.8
|
87.0
|
Gorffennaf 2006
|
79.9
|
76.5
|
79.8
|
86.6
|
Awst 2006
|
80.4
|
77.3
|
80.1
|
87.2
|
Medi 2006
|
81.1
|
78.1
|
80.6
|
87.8
|
Hydref 2006
|
81.0
|
77.7
|
80.5
|
88.3
|
Tachwedd 2006
|
81.8
|
78.5
|
81.2
|
88.6
|
Rhagfyr 2006
|
82.8
|
78.7
|
82.7
|
90.8
|
Ionawr 2007
|
83.3
|
80.0
|
82.9
|
90.3
|
Chwefror 2007
|
83.0
|
79.4
|
82.3
|
91.1
|
Mawrth 2007
|
83.7
|
80.0
|
83.6
|
90.8
|
Ebrill 2007
|
85.2
|
81.1
|
85.3
|
92.7
|
Mai 2007
|
86.9
|
82.6
|
86.7
|
95.3
|
Mehefin 2007
|
87.5
|
83.5
|
87.3
|
95.5
|
Gorffennaf 2007
|
89.0
|
85.8
|
88.9
|
96.2
|
Awst 2007
|
89.1
|
86.0
|
89.0
|
95.9
|
Medi 2007
|
90.0
|
87.0
|
89.4
|
97.6
|
Hydref 2007
|
90.2
|
87.2
|
89.7
|
98.0
|
Tachwedd 2007
|
90.1
|
87.2
|
89.3
|
97.9
|
Rhagfyr 2007
|
89.5
|
86.1
|
88.8
|
97.7
|
Ionawr 2008
|
88.8
|
86.5
|
87.8
|
96.5
|
Chwefror 2008
|
87.5
|
84.5
|
86.9
|
95.2
|
Mawrth 2008
|
87.8
|
84.6
|
87.7
|
94.6
|
Ebrill 2008
|
87.2
|
84.9
|
87.0
|
93.4
|
Mai 2008
|
87.6
|
84.8
|
87.1
|
94.5
|
Mehefin 2008
|
86.5
|
83.9
|
86.3
|
93.0
|
Gorffennaf 2008
|
86.0
|
84.1
|
85.4
|
91.9
|
Awst 2008
|
83.3
|
81.7
|
82.3
|
89.4
|
Medi 2008
|
81.2
|
80.2
|
80.5
|
87.0
|
Hydref 2008
|
78.9
|
77.5
|
77.9
|
85.1
|
Tachwedd 2008
|
76.7
|
75.5
|
75.6
|
82.2
|
Rhagfyr 2008
|
75.6
|
73.8
|
75.5
|
80.8
|
Ionawr 2009
|
73.5
|
72.8
|
72.1
|
79.2
|
Chwefror 2009
|
72.4
|
70.4
|
71.6
|
78.5
|
Mawrth 2009
|
72.2
|
70.6
|
71.4
|
78.3
|
Ebrill 2009
|
72.9
|
70.7
|
72.7
|
78.5
|
Mai 2009
|
74.3
|
72.2
|
74.1
|
79.6
|
Mehefin 2009
|
75.3
|
73.5
|
75.2
|
80.0
|
Gorffennaf 2009
|
76.5
|
75.0
|
76.3
|
80.7
|
Awst 2009
|
78.1
|
76.7
|
78.0
|
82.1
|
Medi 2009
|
79.1
|
77.7
|
79.0
|
83.3
|
Hydref 2009
|
79.5
|
78.2
|
79.3
|
83.2
|
Tachwedd 2009
|
80.1
|
79.0
|
80.4
|
83.6
|
Rhagfyr 2009
|
79.9
|
77.5
|
80.6
|
84.0
|
Ionawr 2010
|
82.3
|
82.0
|
82.3
|
84.4
|
Chwefror 2010
|
82.1
|
81.2
|
82.1
|
84.4
|
Mawrth 2010
|
81.8
|
81.2
|
81.6
|
85.0
|
Ebrill 2010
|
82.4
|
81.5
|
82.4
|
85.1
|
Mai 2010
|
83.2
|
82.5
|
83.2
|
86.3
|
Mehefin 2010
|
83.8
|
82.8
|
84.2
|
86.7
|
Gorffennaf 2010
|
84.8
|
85.0
|
84.7
|
86.1
|
Awst 2010
|
84.6
|
84.7
|
84.2
|
86.0
|
Medi 2010
|
84.8
|
85.0
|
84.7
|
86.4
|
Hydref 2010
|
83.6
|
83.8
|
83.1
|
85.2
|
Tachwedd 2010
|
83.0
|
83.5
|
82.2
|
84.8
|
Rhagfyr 2010
|
82.6
|
82.5
|
82.2
|
84.3
|
Ionawr 2011
|
81.8
|
82.8
|
81.0
|
83.0
|
Chwefror 2011
|
82.0
|
83.0
|
81.1
|
83.8
|
Mawrth 2011
|
81.5
|
82.9
|
80.7
|
82.7
|
Ebrill 2011
|
82.4
|
83.0
|
81.8
|
84.1
|
Mai 2011
|
82.5
|
82.3
|
82.0
|
85.3
|
Mehefin 2011
|
82.8
|
82.4
|
82.4
|
84.8
|
Gorffennaf 2011
|
83.8
|
83.9
|
83.5
|
85.8
|
Awst 2011
|
83.2
|
84.0
|
82.6
|
83.7
|
Medi 2011
|
83.5
|
84.6
|
82.9
|
84.1
|
Hydref 2011
|
82.4
|
83.4
|
81.7
|
82.9
|
Tachwedd 2011
|
83.0
|
83.4
|
82.2
|
84.7
|
Rhagfyr 2011
|
82.8
|
82.7
|
82.4
|
84.5
|
Ionawr 2012
|
82.2
|
82.7
|
81.8
|
82.3
|
Chwefror 2012
|
82.5
|
83.2
|
82.0
|
83.1
|
Mawrth 2012
|
82.7
|
82.0
|
83.0
|
84.3
|
Ebrill 2012
|
84.3
|
84.6
|
83.8
|
85.7
|
Mai 2012
|
84.4
|
84.4
|
84.1
|
85.7
|
Mehefin 2012
|
84.7
|
84.2
|
85.3
|
85.8
|
Gorffennaf 2012
|
85.6
|
85.9
|
85.6
|
86.4
|
Awst 2012
|
86.0
|
86.3
|
86.2
|
86.1
|
Medi 2012
|
86.3
|
86.7
|
86.3
|
86.8
|
Hydref 2012
|
84.9
|
85.0
|
84.8
|
85.7
|
Tachwedd 2012
|
84.8
|
84.8
|
85.0
|
85.1
|
Rhagfyr 2012
|
85.3
|
85.5
|
85.6
|
85.3
|
Ionawr 2013
|
85.0
|
85.5
|
84.9
|
84.7
|
Chwefror 2013
|
84.5
|
85.0
|
84.5
|
84.5
|
Mawrth 2013
|
85.1
|
85.6
|
84.9
|
85.3
|
Ebrill 2013
|
86.0
|
86.4
|
86.3
|
85.9
|
Mai 2013
|
86.2
|
86.2
|
86.4
|
86.7
|
Mehefin 2013
|
87.2
|
87.1
|
87.7
|
87.4
|
Gorffennaf 2013
|
88.3
|
88.5
|
88.6
|
88.3
|
Awst 2013
|
88.5
|
88.8
|
88.8
|
88.2
|
Medi 2013
|
88.8
|
89.5
|
88.9
|
88.6
|
Hydref 2013
|
88.8
|
89.8
|
88.7
|
88.3
|
Tachwedd 2013
|
89.6
|
89.6
|
89.8
|
89.4
|
Rhagfyr 2013
|
90.2
|
89.6
|
90.5
|
90.9
|
Ionawr 2014
|
91.0
|
91.5
|
90.8
|
91.0
|
Chwefror 2014
|
91.1
|
91.5
|
91.1
|
91.0
|
Mawrth 2014
|
91.9
|
91.5
|
92.2
|
92.0
|
Ebrill 2014
|
93.3
|
93.3
|
93.8
|
93.2
|
Mai 2014
|
94.9
|
94.4
|
95.5
|
95.0
|
Mehefin 2014
|
95.7
|
95.2
|
96.1
|
95.8
|
Gorffennaf 2014
|
97.3
|
97.3
|
98.0
|
96.6
|
Awst 2014
|
98.6
|
98.7
|
99.1
|
98.0
|
Medi 2014
|
99.4
|
99.2
|
99.9
|
99.2
|
Hydref 2014
|
99.5
|
99.6
|
99.6
|
99.3
|
Tachwedd 2014
|
99.3
|
99.3
|
99.4
|
99.1
|
Rhagfyr 2014
|
99.8
|
99.7
|
99.9
|
99.8
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
99.9
|
100.1
|
99.9
|
100.0
|
Mawrth 2015
|
100.1
|
100.4
|
99.7
|
100.2
|
Ebrill 2015
|
101.4
|
101.6
|
101.6
|
101.2
|
Mai 2015
|
102.4
|
101.8
|
102.6
|
102.6
|
Mehefin 2015
|
103.9
|
103.6
|
104.7
|
103.0
|
Gorffennaf 2015
|
105.7
|
105.6
|
106.0
|
105.0
|
Awst 2015
|
107.0
|
107.0
|
107.4
|
106.2
|
Medi 2015
|
107.4
|
108.1
|
107.5
|
106.5
|
Hydref 2015
|
108.2
|
108.5
|
108.6
|
107.0
|
Tachwedd 2015
|
108.9
|
109.1
|
109.1
|
108.2
|
Rhagfyr 2015
|
110.0
|
110.4
|
110.2
|
108.9
|
Ionawr 2016
|
110.9
|
111.0
|
110.8
|
109.9
|
Chwefror 2016
|
111.6
|
111.9
|
111.8
|
110.6
|
Mawrth 2016
|
113.4
|
114.0
|
113.3
|
112.7
|
Ebrill 2016
|
112.4
|
111.7
|
113.2
|
111.6
|
Mai 2016
|
113.7
|
112.0
|
114.6
|
114.5
|
Mehefin 2016
|
115.2
|
114.8
|
115.8
|
114.9
|
Gorffennaf 2016
|
116.7
|
116.0
|
117.4
|
116.2
|
Awst 2016
|
117.0
|
116.4
|
117.7
|
116.8
|
Medi 2016
|
116.1
|
115.9
|
116.2
|
115.7
|
Hydref 2016
|
116.3
|
116.1
|
115.9
|
116.6
|
Tachwedd 2016
|
116.2
|
116.8
|
115.7
|
116.1
|
Rhagfyr 2016
|
116.7
|
116.7
|
116.7
|
116.9
|
Ionawr 2017
|
118.1
|
118.3
|
118.0
|
118.0
|
Chwefror 2017
|
117.1
|
116.4
|
116.8
|
118.9
|
Mawrth 2017
|
117.2
|
117.3
|
116.8
|
117.6
|
Ebrill 2017
|
118.4
|
118.4
|
118.0
|
119.0
|
Mai 2017
|
119.0
|
117.5
|
118.5
|
121.2
|
Mehefin 2017
|
120.2
|
119.2
|
120.2
|
121.5
|
Gorffennaf 2017
|
121.2
|
120.0
|
121.1
|
122.6
|
Awst 2017
|
122.0
|
120.7
|
122.5
|
123.0
|
Medi 2017
|
121.8
|
121.7
|
121.8
|
122.0
|
Hydref 2017
|
121.6
|
121.4
|
121.6
|
121.4
|
Tachwedd 2017
|
120.9
|
120.0
|
120.9
|
121.5
|
Rhagfyr 2017
|
121.1
|
120.6
|
121.4
|
120.8
|
Ionawr 2018
|
121.2
|
120.9
|
121.0
|
121.1
|
Chwefror 2018
|
121.3
|
121.4
|
121.5
|
120.7
|
Mawrth 2018
|
120.8
|
120.6
|
121.3
|
119.7
|
Ebrill 2018
|
121.3
|
120.9
|
122.4
|
119.6
|
Mai 2018
|
121.5
|
121.4
|
121.9
|
120.1
|
Mehefin 2018
|
122.6
|
122.1
|
122.9
|
121.5
|
Gorffennaf 2018
|
123.5
|
124.0
|
124.0
|
121.5
|
Awst 2018
|
123.9
|
123.8
|
124.7
|
122.0
|
Medi 2018
|
123.5
|
124.0
|
124.1
|
121.0
|
Hydref 2018
|
122.5
|
123.0
|
122.7
|
120.5
|
Tachwedd 2018
|
122.1
|
122.6
|
122.7
|
119.7
|
Rhagfyr 2018
|
121.2
|
121.0
|
121.4
|
120.0
|
Ionawr 2019
|
121.7
|
122.8
|
121.3
|
119.5
|
Chwefror 2019
|
120.9
|
121.7
|
120.9
|
118.6
|
Mawrth 2019
|
119.7
|
120.1
|
120.2
|
117.2
|
Ebrill 2019
|
120.4
|
120.6
|
121.2
|
117.8
|
Mai 2019
|
120.2
|
119.9
|
121.5
|
117.3
|
Mehefin 2019
|
121.1
|
121.0
|
121.8
|
119.0
|
Gorffennaf 2019
|
121.8
|
121.6
|
122.7
|
119.6
|
Awst 2019
|
121.8
|
122.6
|
123.0
|
118.1
|
Medi 2019
|
122.2
|
122.4
|
123.5
|
119.7
|
Hydref 2019
|
121.7
|
122.0
|
122.3
|
118.4
|
Tachwedd 2019
|
121.6
|
122.4
|
122.3
|
117.9
|
Rhagfyr 2019
|
121.3
|
121.6
|
122.3
|
118.3
|
Ionawr 2020
|
121.5
|
121.8
|
122.5
|
117.7
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Pryniannau morgais
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
221371.0
|
Chwefror 2012
|
221777.0
|
Mawrth 2012
|
222783.0
|
Ebrill 2012
|
226861.0
|
Mai 2012
|
227126.0
|
Mehefin 2012
|
228310.0
|
Gorffennaf 2012
|
230616.0
|
Awst 2012
|
231690.0
|
Medi 2012
|
232266.0
|
Hydref 2012
|
228749.0
|
Tachwedd 2012
|
228533.0
|
Rhagfyr 2012
|
230023.0
|
Ionawr 2013
|
229281.0
|
Chwefror 2013
|
227857.0
|
Mawrth 2013
|
229502.0
|
Ebrill 2013
|
232183.0
|
Mai 2013
|
232564.0
|
Mehefin 2013
|
235658.0
|
Gorffennaf 2013
|
237936.0
|
Awst 2013
|
238837.0
|
Medi 2013
|
239543.0
|
Hydref 2013
|
239587.0
|
Tachwedd 2013
|
241576.0
|
Rhagfyr 2013
|
243533.0
|
Ionawr 2014
|
245534.0
|
Chwefror 2014
|
246097.0
|
Mawrth 2014
|
248170.0
|
Ebrill 2014
|
252099.0
|
Mai 2014
|
256630.0
|
Mehefin 2014
|
258753.0
|
Gorffennaf 2014
|
263296.0
|
Awst 2014
|
267072.0
|
Medi 2014
|
268574.0
|
Hydref 2014
|
269029.0
|
Tachwedd 2014
|
268764.0
|
Rhagfyr 2014
|
269822.0
|
Ionawr 2015
|
270648.0
|
Chwefror 2015
|
270318.0
|
Mawrth 2015
|
270909.0
|
Ebrill 2015
|
274446.0
|
Mai 2015
|
277220.0
|
Mehefin 2015
|
281678.0
|
Gorffennaf 2015
|
286330.0
|
Awst 2015
|
289869.0
|
Medi 2015
|
290819.0
|
Hydref 2015
|
293229.0
|
Tachwedd 2015
|
295242.0
|
Rhagfyr 2015
|
298374.0
|
Ionawr 2016
|
300743.0
|
Chwefror 2016
|
302746.0
|
Mawrth 2016
|
307311.0
|
Ebrill 2016
|
305125.0
|
Mai 2016
|
308576.0
|
Mehefin 2016
|
312662.0
|
Gorffennaf 2016
|
316696.0
|
Awst 2016
|
317324.0
|
Medi 2016
|
314744.0
|
Hydref 2016
|
315184.0
|
Tachwedd 2016
|
314895.0
|
Rhagfyr 2016
|
316533.0
|
Ionawr 2017
|
320069.0
|
Chwefror 2017
|
316911.0
|
Mawrth 2017
|
317630.0
|
Ebrill 2017
|
320817.0
|
Mai 2017
|
322470.0
|
Mehefin 2017
|
325474.0
|
Gorffennaf 2017
|
328162.0
|
Awst 2017
|
330439.0
|
Medi 2017
|
329769.0
|
Hydref 2017
|
329205.0
|
Tachwedd 2017
|
327280.0
|
Rhagfyr 2017
|
327889.0
|
Ionawr 2018
|
328169.0
|
Chwefror 2018
|
328584.0
|
Mawrth 2018
|
327173.0
|
Ebrill 2018
|
328655.0
|
Mai 2018
|
328989.0
|
Mehefin 2018
|
331823.0
|
Gorffennaf 2018
|
334411.0
|
Awst 2018
|
335281.0
|
Medi 2018
|
334069.0
|
Hydref 2018
|
331474.0
|
Tachwedd 2018
|
330173.0
|
Rhagfyr 2018
|
327871.0
|
Ionawr 2019
|
329067.0
|
Chwefror 2019
|
327282.0
|
Mawrth 2019
|
324026.0
|
Ebrill 2019
|
325917.0
|
Mai 2019
|
325294.0
|
Mehefin 2019
|
327721.0
|
Gorffennaf 2019
|
329960.0
|
Awst 2019
|
329586.0
|
Medi 2019
|
330646.0
|
Hydref 2019
|
329266.0
|
Tachwedd 2019
|
329095.0
|
Rhagfyr 2019
|
328309.0
|
Ionawr 2020
|
328920.0
|
Dyddiad
|
Pryniannau morgais
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
3.6
|
Chwefror 2013
|
2.7
|
Mawrth 2013
|
3.0
|
Ebrill 2013
|
2.4
|
Mai 2013
|
2.4
|
Mehefin 2013
|
3.2
|
Gorffennaf 2013
|
3.2
|
Awst 2013
|
3.1
|
Medi 2013
|
3.1
|
Hydref 2013
|
4.7
|
Tachwedd 2013
|
5.7
|
Rhagfyr 2013
|
5.9
|
Ionawr 2014
|
7.1
|
Chwefror 2014
|
8.0
|
Mawrth 2014
|
8.1
|
Ebrill 2014
|
8.6
|
Mai 2014
|
10.4
|
Mehefin 2014
|
9.8
|
Gorffennaf 2014
|
10.7
|
Awst 2014
|
11.8
|
Medi 2014
|
12.1
|
Hydref 2014
|
12.3
|
Tachwedd 2014
|
11.2
|
Rhagfyr 2014
|
10.8
|
Ionawr 2015
|
10.2
|
Chwefror 2015
|
9.8
|
Mawrth 2015
|
9.2
|
Ebrill 2015
|
8.9
|
Mai 2015
|
8.0
|
Mehefin 2015
|
8.9
|
Gorffennaf 2015
|
8.8
|
Awst 2015
|
8.5
|
Medi 2015
|
8.3
|
Hydref 2015
|
9.0
|
Tachwedd 2015
|
9.8
|
Rhagfyr 2015
|
10.6
|
Ionawr 2016
|
11.1
|
Chwefror 2016
|
12.0
|
Mawrth 2016
|
13.4
|
Ebrill 2016
|
11.2
|
Mai 2016
|
11.3
|
Mehefin 2016
|
11.0
|
Gorffennaf 2016
|
10.6
|
Awst 2016
|
9.5
|
Medi 2016
|
8.2
|
Hydref 2016
|
7.5
|
Tachwedd 2016
|
6.7
|
Rhagfyr 2016
|
6.1
|
Ionawr 2017
|
6.4
|
Chwefror 2017
|
4.7
|
Mawrth 2017
|
3.4
|
Ebrill 2017
|
5.1
|
Mai 2017
|
4.5
|
Mehefin 2017
|
4.1
|
Gorffennaf 2017
|
3.6
|
Awst 2017
|
4.1
|
Medi 2017
|
4.8
|
Hydref 2017
|
4.4
|
Tachwedd 2017
|
3.9
|
Rhagfyr 2017
|
3.6
|
Ionawr 2018
|
2.5
|
Chwefror 2018
|
3.7
|
Mawrth 2018
|
3.0
|
Ebrill 2018
|
2.4
|
Mai 2018
|
2.0
|
Mehefin 2018
|
2.0
|
Gorffennaf 2018
|
1.9
|
Awst 2018
|
1.5
|
Medi 2018
|
1.3
|
Hydref 2018
|
0.7
|
Tachwedd 2018
|
0.9
|
Rhagfyr 2018
|
-0.0
|
Ionawr 2019
|
0.3
|
Chwefror 2019
|
-0.4
|
Mawrth 2019
|
-1.0
|
Ebrill 2019
|
-0.8
|
Mai 2019
|
-1.1
|
Mehefin 2019
|
-1.2
|
Gorffennaf 2019
|
-1.3
|
Awst 2019
|
-1.7
|
Medi 2019
|
-1.0
|
Hydref 2019
|
-0.7
|
Tachwedd 2019
|
-0.3
|
Rhagfyr 2019
|
0.1
|
Ionawr 2020
|
-0.0
|
Dyddiad
|
Pryniannau morgais
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
0.2
|
Mawrth 2012
|
0.4
|
Ebrill 2012
|
1.8
|
Mai 2012
|
0.1
|
Mehefin 2012
|
0.5
|
Gorffennaf 2012
|
1.0
|
Awst 2012
|
0.5
|
Medi 2012
|
0.2
|
Hydref 2012
|
-1.5
|
Tachwedd 2012
|
-0.1
|
Rhagfyr 2012
|
0.6
|
Ionawr 2013
|
-0.3
|
Chwefror 2013
|
-0.6
|
Mawrth 2013
|
0.7
|
Ebrill 2013
|
1.2
|
Mai 2013
|
0.2
|
Mehefin 2013
|
1.3
|
Gorffennaf 2013
|
1.0
|
Awst 2013
|
0.4
|
Medi 2013
|
0.3
|
Hydref 2013
|
0.0
|
Tachwedd 2013
|
0.8
|
Rhagfyr 2013
|
0.8
|
Ionawr 2014
|
0.8
|
Chwefror 2014
|
0.2
|
Mawrth 2014
|
0.8
|
Ebrill 2014
|
1.6
|
Mai 2014
|
1.8
|
Mehefin 2014
|
0.8
|
Gorffennaf 2014
|
1.8
|
Awst 2014
|
1.4
|
Medi 2014
|
0.6
|
Hydref 2014
|
0.2
|
Tachwedd 2014
|
-0.1
|
Rhagfyr 2014
|
0.4
|
Ionawr 2015
|
0.3
|
Chwefror 2015
|
-0.1
|
Mawrth 2015
|
0.2
|
Ebrill 2015
|
1.3
|
Mai 2015
|
1.0
|
Mehefin 2015
|
1.6
|
Gorffennaf 2015
|
1.6
|
Awst 2015
|
1.2
|
Medi 2015
|
0.3
|
Hydref 2015
|
0.8
|
Tachwedd 2015
|
0.7
|
Rhagfyr 2015
|
1.1
|
Ionawr 2016
|
0.8
|
Chwefror 2016
|
0.7
|
Mawrth 2016
|
1.5
|
Ebrill 2016
|
-0.7
|
Mai 2016
|
1.1
|
Mehefin 2016
|
1.3
|
Gorffennaf 2016
|
1.3
|
Awst 2016
|
0.2
|
Medi 2016
|
-0.8
|
Hydref 2016
|
0.1
|
Tachwedd 2016
|
-0.1
|
Rhagfyr 2016
|
0.5
|
Ionawr 2017
|
1.1
|
Chwefror 2017
|
-1.0
|
Mawrth 2017
|
0.2
|
Ebrill 2017
|
1.0
|
Mai 2017
|
0.5
|
Mehefin 2017
|
0.9
|
Gorffennaf 2017
|
0.8
|
Awst 2017
|
0.7
|
Medi 2017
|
-0.2
|
Hydref 2017
|
-0.2
|
Tachwedd 2017
|
-0.6
|
Rhagfyr 2017
|
0.2
|
Ionawr 2018
|
0.1
|
Chwefror 2018
|
0.1
|
Mawrth 2018
|
-0.4
|
Ebrill 2018
|
0.4
|
Mai 2018
|
0.1
|
Mehefin 2018
|
0.9
|
Gorffennaf 2018
|
0.8
|
Awst 2018
|
0.3
|
Medi 2018
|
-0.4
|
Hydref 2018
|
-0.8
|
Tachwedd 2018
|
-0.4
|
Rhagfyr 2018
|
-0.7
|
Ionawr 2019
|
0.4
|
Chwefror 2019
|
-0.5
|
Mawrth 2019
|
-1.0
|
Ebrill 2019
|
0.6
|
Mai 2019
|
-0.2
|
Mehefin 2019
|
0.8
|
Gorffennaf 2019
|
0.7
|
Awst 2019
|
-0.1
|
Medi 2019
|
0.3
|
Hydref 2019
|
-0.4
|
Tachwedd 2019
|
-0.1
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
0.2
|
Dyddiad
|
Pryniannau morgais
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
81.8
|
Chwefror 2012
|
81.9
|
Mawrth 2012
|
82.3
|
Ebrill 2012
|
83.8
|
Mai 2012
|
83.9
|
Mehefin 2012
|
84.4
|
Gorffennaf 2012
|
85.2
|
Awst 2012
|
85.6
|
Medi 2012
|
85.8
|
Hydref 2012
|
84.5
|
Tachwedd 2012
|
84.4
|
Rhagfyr 2012
|
85.0
|
Ionawr 2013
|
84.7
|
Chwefror 2013
|
84.2
|
Mawrth 2013
|
84.8
|
Ebrill 2013
|
85.8
|
Mai 2013
|
85.9
|
Mehefin 2013
|
87.1
|
Gorffennaf 2013
|
87.9
|
Awst 2013
|
88.2
|
Medi 2013
|
88.5
|
Hydref 2013
|
88.5
|
Tachwedd 2013
|
89.3
|
Rhagfyr 2013
|
90.0
|
Ionawr 2014
|
90.7
|
Chwefror 2014
|
90.9
|
Mawrth 2014
|
91.7
|
Ebrill 2014
|
93.2
|
Mai 2014
|
94.8
|
Mehefin 2014
|
95.6
|
Gorffennaf 2014
|
97.3
|
Awst 2014
|
98.7
|
Medi 2014
|
99.2
|
Hydref 2014
|
99.4
|
Tachwedd 2014
|
99.3
|
Rhagfyr 2014
|
99.7
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
99.9
|
Mawrth 2015
|
100.1
|
Ebrill 2015
|
101.4
|
Mai 2015
|
102.4
|
Mehefin 2015
|
104.1
|
Gorffennaf 2015
|
105.8
|
Awst 2015
|
107.1
|
Medi 2015
|
107.4
|
Hydref 2015
|
108.3
|
Tachwedd 2015
|
109.1
|
Rhagfyr 2015
|
110.2
|
Ionawr 2016
|
111.1
|
Chwefror 2016
|
111.9
|
Mawrth 2016
|
113.6
|
Ebrill 2016
|
112.7
|
Mai 2016
|
114.0
|
Mehefin 2016
|
115.5
|
Gorffennaf 2016
|
117.0
|
Awst 2016
|
117.2
|
Medi 2016
|
116.3
|
Hydref 2016
|
116.4
|
Tachwedd 2016
|
116.4
|
Rhagfyr 2016
|
117.0
|
Ionawr 2017
|
118.3
|
Chwefror 2017
|
117.1
|
Mawrth 2017
|
117.4
|
Ebrill 2017
|
118.5
|
Mai 2017
|
119.2
|
Mehefin 2017
|
120.3
|
Gorffennaf 2017
|
121.2
|
Awst 2017
|
122.1
|
Medi 2017
|
121.8
|
Hydref 2017
|
121.6
|
Tachwedd 2017
|
120.9
|
Rhagfyr 2017
|
121.2
|
Ionawr 2018
|
121.2
|
Chwefror 2018
|
121.4
|
Mawrth 2018
|
120.9
|
Ebrill 2018
|
121.4
|
Mai 2018
|
121.6
|
Mehefin 2018
|
122.6
|
Gorffennaf 2018
|
123.6
|
Awst 2018
|
123.9
|
Medi 2018
|
123.4
|
Hydref 2018
|
122.5
|
Tachwedd 2018
|
122.0
|
Rhagfyr 2018
|
121.1
|
Ionawr 2019
|
121.6
|
Chwefror 2019
|
120.9
|
Mawrth 2019
|
119.7
|
Ebrill 2019
|
120.4
|
Mai 2019
|
120.2
|
Mehefin 2019
|
121.1
|
Gorffennaf 2019
|
121.9
|
Awst 2019
|
121.8
|
Medi 2019
|
122.2
|
Hydref 2019
|
121.7
|
Tachwedd 2019
|
121.6
|
Rhagfyr 2019
|
121.3
|
Ionawr 2020
|
121.5
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol