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 teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
67380.0
|
46864.0
|
40787.0
|
Chwefror 2002
|
69131.0
|
48154.0
|
41981.0
|
Mawrth 2002
|
70011.0
|
48869.0
|
42301.0
|
Ebrill 2002
|
72180.0
|
50539.0
|
43873.0
|
Mai 2002
|
73929.0
|
51838.0
|
45012.0
|
Mehefin 2002
|
76376.0
|
53674.0
|
46677.0
|
Gorffennaf 2002
|
79939.0
|
56196.0
|
48498.0
|
Awst 2002
|
81227.0
|
57096.0
|
49245.0
|
Medi 2002
|
84971.0
|
59536.0
|
51268.0
|
Hydref 2002
|
86112.0
|
60239.0
|
52201.0
|
Tachwedd 2002
|
89512.0
|
62551.0
|
54400.0
|
Rhagfyr 2002
|
90403.0
|
63271.0
|
55433.0
|
Ionawr 2003
|
93092.0
|
65387.0
|
57234.0
|
Chwefror 2003
|
91751.0
|
64513.0
|
56489.0
|
Mawrth 2003
|
91465.0
|
64397.0
|
56236.0
|
Ebrill 2003
|
92721.0
|
65314.0
|
57157.0
|
Mai 2003
|
95877.0
|
67744.0
|
59091.0
|
Mehefin 2003
|
97762.0
|
69188.0
|
60491.0
|
Gorffennaf 2003
|
99931.0
|
70846.0
|
61661.0
|
Awst 2003
|
102891.0
|
73044.0
|
63602.0
|
Medi 2003
|
106033.0
|
75452.0
|
65171.0
|
Hydref 2003
|
107529.0
|
76731.0
|
66367.0
|
Tachwedd 2003
|
109442.0
|
78197.0
|
67493.0
|
Rhagfyr 2003
|
111453.0
|
80025.0
|
69395.0
|
Ionawr 2004
|
113157.0
|
81351.0
|
70464.0
|
Chwefror 2004
|
114438.0
|
82614.0
|
71616.0
|
Mawrth 2004
|
115798.0
|
83733.0
|
72294.0
|
Ebrill 2004
|
118165.0
|
86048.0
|
73954.0
|
Mai 2004
|
122241.0
|
89612.0
|
76808.0
|
Mehefin 2004
|
128055.0
|
94188.0
|
80739.0
|
Gorffennaf 2004
|
131864.0
|
97075.0
|
82940.0
|
Awst 2004
|
133341.0
|
98034.0
|
83715.0
|
Medi 2004
|
134734.0
|
99031.0
|
84204.0
|
Hydref 2004
|
136405.0
|
100279.0
|
85690.0
|
Tachwedd 2004
|
137496.0
|
101211.0
|
86732.0
|
Rhagfyr 2004
|
136803.0
|
101187.0
|
86988.0
|
Ionawr 2005
|
134421.0
|
99676.0
|
85744.0
|
Chwefror 2005
|
139017.0
|
103209.0
|
88783.0
|
Mawrth 2005
|
140277.0
|
104082.0
|
89319.0
|
Ebrill 2005
|
141038.0
|
104867.0
|
89909.0
|
Mai 2005
|
138752.0
|
103335.0
|
88454.0
|
Mehefin 2005
|
139729.0
|
104454.0
|
89278.0
|
Gorffennaf 2005
|
142756.0
|
106702.0
|
90882.0
|
Awst 2005
|
144203.0
|
107893.0
|
91609.0
|
Medi 2005
|
145043.0
|
108504.0
|
91973.0
|
Hydref 2005
|
144964.0
|
108603.0
|
92251.0
|
Tachwedd 2005
|
145092.0
|
108824.0
|
92586.0
|
Rhagfyr 2005
|
145332.0
|
109240.0
|
93345.0
|
Ionawr 2006
|
146136.0
|
110096.0
|
93525.0
|
Chwefror 2006
|
145454.0
|
109865.0
|
93301.0
|
Mawrth 2006
|
145325.0
|
109688.0
|
92647.0
|
Ebrill 2006
|
146885.0
|
110986.0
|
93758.0
|
Mai 2006
|
149742.0
|
113121.0
|
95393.0
|
Mehefin 2006
|
151725.0
|
114837.0
|
96652.0
|
Gorffennaf 2006
|
152348.0
|
115555.0
|
96597.0
|
Awst 2006
|
153451.0
|
116457.0
|
96432.0
|
Medi 2006
|
155453.0
|
117831.0
|
97041.0
|
Hydref 2006
|
155462.0
|
117596.0
|
97237.0
|
Tachwedd 2006
|
154988.0
|
117268.0
|
96937.0
|
Rhagfyr 2006
|
154877.0
|
117560.0
|
97386.0
|
Ionawr 2007
|
156463.0
|
118922.0
|
98257.0
|
Chwefror 2007
|
156354.0
|
118861.0
|
98726.0
|
Mawrth 2007
|
155406.0
|
118186.0
|
97737.0
|
Ebrill 2007
|
156177.0
|
119068.0
|
98181.0
|
Mai 2007
|
158073.0
|
120845.0
|
99601.0
|
Mehefin 2007
|
160018.0
|
122402.0
|
101053.0
|
Gorffennaf 2007
|
162727.0
|
124356.0
|
102551.0
|
Awst 2007
|
162781.0
|
124323.0
|
101351.0
|
Medi 2007
|
163619.0
|
124750.0
|
101516.0
|
Hydref 2007
|
161784.0
|
123194.0
|
100677.0
|
Tachwedd 2007
|
163755.0
|
124471.0
|
102582.0
|
Rhagfyr 2007
|
163674.0
|
124433.0
|
103025.0
|
Ionawr 2008
|
164469.0
|
124987.0
|
103649.0
|
Chwefror 2008
|
163163.0
|
124044.0
|
102789.0
|
Mawrth 2008
|
163198.0
|
124153.0
|
102188.0
|
Ebrill 2008
|
161860.0
|
123332.0
|
100896.0
|
Mai 2008
|
162651.0
|
124108.0
|
101118.0
|
Mehefin 2008
|
160017.0
|
122109.0
|
99530.0
|
Gorffennaf 2008
|
159640.0
|
121661.0
|
99107.0
|
Awst 2008
|
157526.0
|
119833.0
|
97730.0
|
Medi 2008
|
158536.0
|
120162.0
|
98201.0
|
Hydref 2008
|
154809.0
|
117154.0
|
96045.0
|
Tachwedd 2008
|
153589.0
|
116154.0
|
95500.0
|
Rhagfyr 2008
|
148934.0
|
112900.0
|
92671.0
|
Ionawr 2009
|
144640.0
|
109484.0
|
90177.0
|
Chwefror 2009
|
137455.0
|
103986.0
|
85777.0
|
Mawrth 2009
|
134160.0
|
101338.0
|
84132.0
|
Ebrill 2009
|
135288.0
|
102604.0
|
84571.0
|
Mai 2009
|
138393.0
|
105188.0
|
85935.0
|
Mehefin 2009
|
140334.0
|
106821.0
|
86381.0
|
Gorffennaf 2009
|
144602.0
|
110039.0
|
88147.0
|
Awst 2009
|
145976.0
|
111055.0
|
88342.0
|
Medi 2009
|
147302.0
|
112038.0
|
88760.0
|
Hydref 2009
|
146351.0
|
111226.0
|
88025.0
|
Tachwedd 2009
|
147000.0
|
111837.0
|
88209.0
|
Rhagfyr 2009
|
147352.0
|
112507.0
|
88234.0
|
Ionawr 2010
|
146854.0
|
111940.0
|
87181.0
|
Chwefror 2010
|
144360.0
|
109748.0
|
85248.0
|
Mawrth 2010
|
144272.0
|
109194.0
|
85079.0
|
Ebrill 2010
|
145087.0
|
109959.0
|
85825.0
|
Mai 2010
|
147302.0
|
111761.0
|
87355.0
|
Mehefin 2010
|
148801.0
|
113127.0
|
87863.0
|
Gorffennaf 2010
|
149708.0
|
113626.0
|
87879.0
|
Awst 2010
|
150091.0
|
113606.0
|
87320.0
|
Medi 2010
|
149478.0
|
112798.0
|
86561.0
|
Hydref 2010
|
147780.0
|
111423.0
|
85744.0
|
Tachwedd 2010
|
147025.0
|
110759.0
|
85688.0
|
Rhagfyr 2010
|
146683.0
|
110507.0
|
85546.0
|
Ionawr 2011
|
144791.0
|
108993.0
|
84319.0
|
Chwefror 2011
|
143963.0
|
108467.0
|
83904.0
|
Mawrth 2011
|
142069.0
|
106994.0
|
82734.0
|
Ebrill 2011
|
143901.0
|
108620.0
|
83993.0
|
Mai 2011
|
144328.0
|
109046.0
|
84489.0
|
Mehefin 2011
|
144931.0
|
109499.0
|
84975.0
|
Gorffennaf 2011
|
143611.0
|
108559.0
|
84342.0
|
Awst 2011
|
144315.0
|
108882.0
|
83778.0
|
Medi 2011
|
146006.0
|
110015.0
|
84182.0
|
Hydref 2011
|
147556.0
|
110775.0
|
84422.0
|
Tachwedd 2011
|
147749.0
|
110849.0
|
85101.0
|
Rhagfyr 2011
|
146219.0
|
109669.0
|
84455.0
|
Ionawr 2012
|
145235.0
|
108989.0
|
83647.0
|
Chwefror 2012
|
142873.0
|
107442.0
|
81846.0
|
Mawrth 2012
|
142176.0
|
107365.0
|
81547.0
|
Ebrill 2012
|
140995.0
|
106553.0
|
81411.0
|
Mai 2012
|
143200.0
|
108269.0
|
82889.0
|
Mehefin 2012
|
145302.0
|
109893.0
|
83757.0
|
Gorffennaf 2012
|
144378.0
|
109385.0
|
82913.0
|
Awst 2012
|
143331.0
|
108735.0
|
81818.0
|
Medi 2012
|
141337.0
|
107060.0
|
80534.0
|
Hydref 2012
|
142328.0
|
107755.0
|
81116.0
|
Tachwedd 2012
|
141781.0
|
107371.0
|
80891.0
|
Rhagfyr 2012
|
143804.0
|
108899.0
|
82014.0
|
Ionawr 2013
|
141415.0
|
106998.0
|
80298.0
|
Chwefror 2013
|
140702.0
|
106434.0
|
79738.0
|
Mawrth 2013
|
138869.0
|
104984.0
|
78671.0
|
Ebrill 2013
|
142431.0
|
107869.0
|
80685.0
|
Mai 2013
|
142275.0
|
107818.0
|
80811.0
|
Mehefin 2013
|
145035.0
|
110101.0
|
82144.0
|
Gorffennaf 2013
|
146418.0
|
111234.0
|
82979.0
|
Awst 2013
|
148074.0
|
112411.0
|
83493.0
|
Medi 2013
|
147312.0
|
111664.0
|
83080.0
|
Hydref 2013
|
146248.0
|
110578.0
|
82241.0
|
Tachwedd 2013
|
146464.0
|
110599.0
|
82388.0
|
Rhagfyr 2013
|
145630.0
|
109981.0
|
82225.0
|
Ionawr 2014
|
145666.0
|
110115.0
|
82469.0
|
Chwefror 2014
|
145782.0
|
110271.0
|
82420.0
|
Mawrth 2014
|
146558.0
|
110881.0
|
82404.0
|
Ebrill 2014
|
148007.0
|
112198.0
|
83003.0
|
Mai 2014
|
149330.0
|
113488.0
|
83868.0
|
Mehefin 2014
|
149359.0
|
113586.0
|
83838.0
|
Gorffennaf 2014
|
149420.0
|
113640.0
|
83586.0
|
Awst 2014
|
149657.0
|
113673.0
|
83379.0
|
Medi 2014
|
149929.0
|
113854.0
|
83500.0
|
Hydref 2014
|
151740.0
|
115086.0
|
84802.0
|
Tachwedd 2014
|
152835.0
|
115754.0
|
85592.0
|
Rhagfyr 2014
|
153559.0
|
116128.0
|
86035.0
|
Ionawr 2015
|
151685.0
|
114554.0
|
84900.0
|
Chwefror 2015
|
152204.0
|
114920.0
|
85289.0
|
Mawrth 2015
|
152644.0
|
115010.0
|
85548.0
|
Ebrill 2015
|
153403.0
|
115619.0
|
85855.0
|
Mai 2015
|
153119.0
|
115406.0
|
85625.0
|
Mehefin 2015
|
152522.0
|
115265.0
|
84876.0
|
Gorffennaf 2015
|
154407.0
|
116739.0
|
85827.0
|
Awst 2015
|
156687.0
|
118433.0
|
86777.0
|
Medi 2015
|
159800.0
|
120483.0
|
88603.0
|
Hydref 2015
|
159180.0
|
119922.0
|
88086.0
|
Tachwedd 2015
|
158898.0
|
119562.0
|
87856.0
|
Rhagfyr 2015
|
157638.0
|
118607.0
|
86896.0
|
Ionawr 2016
|
157999.0
|
118704.0
|
87080.0
|
Chwefror 2016
|
159412.0
|
119766.0
|
87760.0
|
Mawrth 2016
|
160438.0
|
120450.0
|
88705.0
|
Ebrill 2016
|
161545.0
|
121560.0
|
89339.0
|
Mai 2016
|
160208.0
|
120932.0
|
89161.0
|
Mehefin 2016
|
162616.0
|
123001.0
|
90412.0
|
Gorffennaf 2016
|
163313.0
|
123541.0
|
90870.0
|
Awst 2016
|
165515.0
|
125013.0
|
91921.0
|
Medi 2016
|
165883.0
|
125061.0
|
92055.0
|
Hydref 2016
|
166133.0
|
124746.0
|
92508.0
|
Tachwedd 2016
|
165087.0
|
123394.0
|
91897.0
|
Rhagfyr 2016
|
163460.0
|
122101.0
|
91247.0
|
Ionawr 2017
|
163180.0
|
121884.0
|
90851.0
|
Chwefror 2017
|
165623.0
|
123945.0
|
92951.0
|
Mawrth 2017
|
166355.0
|
124269.0
|
93465.0
|
Ebrill 2017
|
169380.0
|
126641.0
|
95631.0
|
Mai 2017
|
169272.0
|
126535.0
|
95606.0
|
Mehefin 2017
|
172343.0
|
129154.0
|
97741.0
|
Gorffennaf 2017
|
173063.0
|
129682.0
|
98279.0
|
Awst 2017
|
174395.0
|
130830.0
|
98687.0
|
Medi 2017
|
175195.0
|
131261.0
|
98621.0
|
Hydref 2017
|
174079.0
|
130291.0
|
97499.0
|
Tachwedd 2017
|
173794.0
|
129869.0
|
97209.0
|
Rhagfyr 2017
|
173494.0
|
129654.0
|
97103.0
|
Ionawr 2018
|
174567.0
|
130361.0
|
97643.0
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
10.0
|
9.8
|
11.8
|
Chwefror 2002
|
11.6
|
11.4
|
13.7
|
Mawrth 2002
|
14.9
|
14.8
|
17.1
|
Ebrill 2002
|
17.3
|
17.4
|
20.2
|
Mai 2002
|
19.8
|
19.6
|
23.1
|
Mehefin 2002
|
23.9
|
24.0
|
27.2
|
Gorffennaf 2002
|
27.3
|
27.5
|
30.0
|
Awst 2002
|
27.3
|
27.8
|
29.8
|
Medi 2002
|
28.8
|
29.2
|
31.0
|
Hydref 2002
|
30.7
|
31.1
|
33.1
|
Tachwedd 2002
|
34.9
|
35.3
|
37.5
|
Rhagfyr 2002
|
35.1
|
35.8
|
37.4
|
Ionawr 2003
|
38.2
|
39.5
|
40.3
|
Chwefror 2003
|
32.7
|
34.0
|
34.6
|
Mawrth 2003
|
30.6
|
31.8
|
32.9
|
Ebrill 2003
|
28.5
|
29.2
|
30.3
|
Mai 2003
|
29.7
|
30.7
|
31.3
|
Mehefin 2003
|
28.0
|
28.9
|
29.6
|
Gorffennaf 2003
|
25.0
|
26.1
|
27.1
|
Awst 2003
|
26.7
|
27.9
|
29.2
|
Medi 2003
|
24.8
|
26.7
|
27.1
|
Hydref 2003
|
24.9
|
27.4
|
27.1
|
Tachwedd 2003
|
22.3
|
25.0
|
24.1
|
Rhagfyr 2003
|
23.3
|
26.5
|
25.2
|
Ionawr 2004
|
21.6
|
24.4
|
23.1
|
Chwefror 2004
|
24.7
|
28.1
|
26.8
|
Mawrth 2004
|
26.6
|
30.0
|
28.6
|
Ebrill 2004
|
27.4
|
31.7
|
29.4
|
Mai 2004
|
27.5
|
32.3
|
30.0
|
Mehefin 2004
|
31.0
|
36.1
|
33.5
|
Gorffennaf 2004
|
32.0
|
37.0
|
34.5
|
Awst 2004
|
29.6
|
34.2
|
31.6
|
Medi 2004
|
27.1
|
31.2
|
29.2
|
Hydref 2004
|
26.8
|
30.7
|
29.1
|
Tachwedd 2004
|
25.6
|
29.4
|
28.5
|
Rhagfyr 2004
|
22.7
|
26.4
|
25.4
|
Ionawr 2005
|
18.8
|
22.5
|
21.7
|
Chwefror 2005
|
21.5
|
24.9
|
24.0
|
Mawrth 2005
|
21.1
|
24.3
|
23.6
|
Ebrill 2005
|
19.4
|
21.9
|
21.6
|
Mai 2005
|
13.5
|
15.3
|
15.2
|
Mehefin 2005
|
9.1
|
10.9
|
10.6
|
Gorffennaf 2005
|
8.3
|
9.9
|
9.6
|
Awst 2005
|
8.2
|
10.1
|
9.4
|
Medi 2005
|
7.6
|
9.6
|
9.2
|
Hydref 2005
|
6.3
|
8.3
|
7.7
|
Tachwedd 2005
|
5.5
|
7.5
|
6.8
|
Rhagfyr 2005
|
6.2
|
8.0
|
7.3
|
Ionawr 2006
|
8.7
|
10.4
|
9.1
|
Chwefror 2006
|
4.6
|
6.4
|
5.1
|
Mawrth 2006
|
3.6
|
5.4
|
3.7
|
Ebrill 2006
|
4.2
|
5.8
|
4.3
|
Mai 2006
|
7.9
|
9.5
|
7.8
|
Mehefin 2006
|
8.6
|
9.9
|
8.3
|
Gorffennaf 2006
|
6.7
|
8.3
|
6.3
|
Awst 2006
|
6.4
|
7.9
|
5.3
|
Medi 2006
|
7.2
|
8.6
|
5.5
|
Hydref 2006
|
7.2
|
8.3
|
5.4
|
Tachwedd 2006
|
6.8
|
7.8
|
4.7
|
Rhagfyr 2006
|
6.6
|
7.6
|
4.3
|
Ionawr 2007
|
7.1
|
8.0
|
5.1
|
Chwefror 2007
|
7.5
|
8.2
|
5.8
|
Mawrth 2007
|
6.9
|
7.8
|
5.5
|
Ebrill 2007
|
6.3
|
7.3
|
4.7
|
Mai 2007
|
5.6
|
6.8
|
4.4
|
Mehefin 2007
|
5.5
|
6.6
|
4.6
|
Gorffennaf 2007
|
6.8
|
7.6
|
6.2
|
Awst 2007
|
6.1
|
6.8
|
5.1
|
Medi 2007
|
5.2
|
5.9
|
4.6
|
Hydref 2007
|
4.1
|
4.8
|
3.5
|
Tachwedd 2007
|
5.7
|
6.1
|
5.8
|
Rhagfyr 2007
|
5.7
|
5.8
|
5.8
|
Ionawr 2008
|
5.1
|
5.1
|
5.5
|
Chwefror 2008
|
4.4
|
4.4
|
4.1
|
Mawrth 2008
|
5.0
|
5.0
|
4.6
|
Ebrill 2008
|
3.6
|
3.6
|
2.8
|
Mai 2008
|
2.9
|
2.7
|
1.5
|
Mehefin 2008
|
0.0
|
-0.2
|
-1.5
|
Gorffennaf 2008
|
-1.9
|
-2.2
|
-3.4
|
Awst 2008
|
-3.2
|
-3.6
|
-3.6
|
Medi 2008
|
-3.1
|
-3.7
|
-3.3
|
Hydref 2008
|
-4.3
|
-4.9
|
-4.6
|
Tachwedd 2008
|
-6.2
|
-6.7
|
-6.9
|
Rhagfyr 2008
|
-9.0
|
-9.3
|
-10.0
|
Ionawr 2009
|
-12.1
|
-12.4
|
-13.0
|
Chwefror 2009
|
-15.8
|
-16.2
|
-16.6
|
Mawrth 2009
|
-17.8
|
-18.4
|
-17.7
|
Ebrill 2009
|
-16.4
|
-16.8
|
-16.2
|
Mai 2009
|
-14.9
|
-15.2
|
-15.0
|
Mehefin 2009
|
-12.3
|
-12.5
|
-13.2
|
Gorffennaf 2009
|
-9.4
|
-9.6
|
-11.1
|
Awst 2009
|
-7.3
|
-7.3
|
-9.6
|
Medi 2009
|
-7.1
|
-6.8
|
-9.6
|
Hydref 2009
|
-5.5
|
-5.1
|
-8.4
|
Tachwedd 2009
|
-4.3
|
-3.7
|
-7.6
|
Rhagfyr 2009
|
-1.1
|
-0.4
|
-4.8
|
Ionawr 2010
|
1.5
|
2.2
|
-3.3
|
Chwefror 2010
|
5.0
|
5.5
|
-0.6
|
Mawrth 2010
|
7.5
|
7.8
|
1.1
|
Ebrill 2010
|
7.2
|
7.2
|
1.5
|
Mai 2010
|
6.4
|
6.2
|
1.6
|
Mehefin 2010
|
6.0
|
5.9
|
1.7
|
Gorffennaf 2010
|
3.5
|
3.3
|
-0.3
|
Awst 2010
|
2.8
|
2.3
|
-1.2
|
Medi 2010
|
1.5
|
0.7
|
-2.5
|
Hydref 2010
|
1.0
|
0.2
|
-2.6
|
Tachwedd 2010
|
0.0
|
-1.0
|
-2.9
|
Rhagfyr 2010
|
-0.4
|
-1.8
|
-3.0
|
Ionawr 2011
|
-1.4
|
-2.6
|
-3.3
|
Chwefror 2011
|
-0.3
|
-1.2
|
-1.6
|
Mawrth 2011
|
-1.5
|
-2.0
|
-2.8
|
Ebrill 2011
|
-0.8
|
-1.2
|
-2.1
|
Mai 2011
|
-2.0
|
-2.4
|
-3.3
|
Mehefin 2011
|
-2.6
|
-3.2
|
-3.3
|
Gorffennaf 2011
|
-4.1
|
-4.5
|
-4.0
|
Awst 2011
|
-3.8
|
-4.2
|
-4.1
|
Medi 2011
|
-2.3
|
-2.5
|
-2.8
|
Hydref 2011
|
-0.2
|
-0.6
|
-1.5
|
Tachwedd 2011
|
0.5
|
0.1
|
-0.7
|
Rhagfyr 2011
|
-0.3
|
-0.8
|
-1.3
|
Ionawr 2012
|
0.3
|
0.0
|
-0.8
|
Chwefror 2012
|
-0.8
|
-1.0
|
-2.4
|
Mawrth 2012
|
0.1
|
0.4
|
-1.4
|
Ebrill 2012
|
-2.0
|
-1.9
|
-3.1
|
Mai 2012
|
-0.8
|
-0.7
|
-1.9
|
Mehefin 2012
|
0.3
|
0.4
|
-1.4
|
Gorffennaf 2012
|
0.5
|
0.8
|
-1.7
|
Awst 2012
|
-0.7
|
-0.1
|
-2.3
|
Medi 2012
|
-3.2
|
-2.7
|
-4.3
|
Hydref 2012
|
-3.5
|
-2.7
|
-3.9
|
Tachwedd 2012
|
-4.0
|
-3.1
|
-5.0
|
Rhagfyr 2012
|
-1.6
|
-0.7
|
-2.9
|
Ionawr 2013
|
-2.6
|
-1.8
|
-4.0
|
Chwefror 2013
|
-1.5
|
-0.9
|
-2.6
|
Mawrth 2013
|
-2.3
|
-2.2
|
-3.5
|
Ebrill 2013
|
1.0
|
1.2
|
-0.9
|
Mai 2013
|
-0.6
|
-0.4
|
-2.5
|
Mehefin 2013
|
-0.2
|
0.2
|
-1.9
|
Gorffennaf 2013
|
1.4
|
1.7
|
0.1
|
Awst 2013
|
3.3
|
3.4
|
2.0
|
Medi 2013
|
4.2
|
4.3
|
3.2
|
Hydref 2013
|
2.8
|
2.6
|
1.4
|
Tachwedd 2013
|
3.3
|
3.0
|
1.8
|
Rhagfyr 2013
|
1.3
|
1.0
|
0.3
|
Ionawr 2014
|
3.0
|
2.9
|
2.7
|
Chwefror 2014
|
3.6
|
3.6
|
3.4
|
Mawrth 2014
|
5.5
|
5.6
|
4.7
|
Ebrill 2014
|
3.9
|
4.0
|
2.9
|
Mai 2014
|
5.0
|
5.3
|
3.8
|
Mehefin 2014
|
3.0
|
3.2
|
2.1
|
Gorffennaf 2014
|
2.0
|
2.2
|
0.7
|
Awst 2014
|
1.1
|
1.1
|
-0.1
|
Medi 2014
|
1.8
|
2.0
|
0.5
|
Hydref 2014
|
3.8
|
4.1
|
3.1
|
Tachwedd 2014
|
4.4
|
4.7
|
3.9
|
Rhagfyr 2014
|
5.4
|
5.6
|
4.6
|
Ionawr 2015
|
4.1
|
4.0
|
3.0
|
Chwefror 2015
|
4.4
|
4.2
|
3.5
|
Mawrth 2015
|
4.2
|
3.7
|
3.8
|
Ebrill 2015
|
3.6
|
3.0
|
3.4
|
Mai 2015
|
2.5
|
1.7
|
2.1
|
Mehefin 2015
|
2.1
|
1.5
|
1.2
|
Gorffennaf 2015
|
3.3
|
2.7
|
2.7
|
Awst 2015
|
4.7
|
4.2
|
4.1
|
Medi 2015
|
6.6
|
5.8
|
6.1
|
Hydref 2015
|
4.9
|
4.2
|
3.9
|
Tachwedd 2015
|
4.0
|
3.3
|
2.6
|
Rhagfyr 2015
|
2.7
|
2.1
|
1.0
|
Ionawr 2016
|
4.2
|
3.6
|
2.6
|
Chwefror 2016
|
4.7
|
4.2
|
2.9
|
Mawrth 2016
|
5.1
|
4.7
|
3.7
|
Ebrill 2016
|
5.3
|
5.1
|
4.1
|
Mai 2016
|
4.6
|
4.8
|
4.1
|
Mehefin 2016
|
6.6
|
6.7
|
6.5
|
Gorffennaf 2016
|
5.8
|
5.8
|
5.9
|
Awst 2016
|
5.6
|
5.6
|
5.9
|
Medi 2016
|
3.8
|
3.8
|
3.9
|
Hydref 2016
|
4.4
|
4.0
|
5.0
|
Tachwedd 2016
|
3.9
|
3.2
|
4.6
|
Rhagfyr 2016
|
3.7
|
3.0
|
5.0
|
Ionawr 2017
|
3.3
|
2.7
|
4.3
|
Chwefror 2017
|
3.9
|
3.5
|
5.9
|
Mawrth 2017
|
3.7
|
3.2
|
5.4
|
Ebrill 2017
|
4.3
|
3.6
|
5.9
|
Mai 2017
|
5.3
|
4.3
|
6.7
|
Mehefin 2017
|
6.0
|
5.0
|
8.1
|
Gorffennaf 2017
|
6.0
|
5.0
|
8.2
|
Awst 2017
|
5.4
|
4.6
|
7.4
|
Medi 2017
|
5.6
|
5.0
|
7.1
|
Hydref 2017
|
4.8
|
4.4
|
5.4
|
Tachwedd 2017
|
5.3
|
5.2
|
5.8
|
Rhagfyr 2017
|
6.1
|
6.2
|
6.4
|
Ionawr 2018
|
7.0
|
7.0
|
7.5
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
0.7
|
0.6
|
1.1
|
Chwefror 2002
|
2.6
|
2.8
|
2.9
|
Mawrth 2002
|
1.3
|
1.5
|
0.8
|
Ebrill 2002
|
3.1
|
3.4
|
3.7
|
Mai 2002
|
2.4
|
2.6
|
2.6
|
Mehefin 2002
|
3.3
|
3.5
|
3.7
|
Gorffennaf 2002
|
4.7
|
4.7
|
3.9
|
Awst 2002
|
1.6
|
1.6
|
1.5
|
Medi 2002
|
4.6
|
4.3
|
4.1
|
Hydref 2002
|
1.3
|
1.2
|
1.8
|
Tachwedd 2002
|
4.0
|
3.8
|
4.2
|
Rhagfyr 2002
|
1.0
|
1.2
|
1.9
|
Ionawr 2003
|
3.0
|
3.3
|
3.2
|
Chwefror 2003
|
-1.4
|
-1.3
|
-1.3
|
Mawrth 2003
|
-0.3
|
-0.2
|
-0.4
|
Ebrill 2003
|
1.4
|
1.4
|
1.6
|
Mai 2003
|
3.4
|
3.7
|
3.4
|
Mehefin 2003
|
2.0
|
2.1
|
2.4
|
Gorffennaf 2003
|
2.2
|
2.4
|
1.9
|
Awst 2003
|
3.0
|
3.1
|
3.2
|
Medi 2003
|
3.0
|
3.3
|
2.5
|
Hydref 2003
|
1.4
|
1.7
|
1.8
|
Tachwedd 2003
|
1.8
|
1.9
|
1.7
|
Rhagfyr 2003
|
1.8
|
2.3
|
2.8
|
Ionawr 2004
|
1.5
|
1.7
|
1.5
|
Chwefror 2004
|
1.1
|
1.6
|
1.6
|
Mawrth 2004
|
1.2
|
1.4
|
1.0
|
Ebrill 2004
|
2.0
|
2.8
|
2.3
|
Mai 2004
|
3.4
|
4.1
|
3.9
|
Mehefin 2004
|
4.8
|
5.1
|
5.1
|
Gorffennaf 2004
|
3.0
|
3.1
|
2.7
|
Awst 2004
|
1.1
|
1.0
|
0.9
|
Medi 2004
|
1.0
|
1.0
|
0.6
|
Hydref 2004
|
1.2
|
1.3
|
1.8
|
Tachwedd 2004
|
0.8
|
0.9
|
1.2
|
Rhagfyr 2004
|
-0.5
|
-0.0
|
0.3
|
Ionawr 2005
|
-1.7
|
-1.5
|
-1.4
|
Chwefror 2005
|
3.4
|
3.5
|
3.5
|
Mawrth 2005
|
0.9
|
0.8
|
0.6
|
Ebrill 2005
|
0.5
|
0.8
|
0.7
|
Mai 2005
|
-1.6
|
-1.5
|
-1.6
|
Mehefin 2005
|
0.7
|
1.1
|
0.9
|
Gorffennaf 2005
|
2.2
|
2.2
|
1.8
|
Awst 2005
|
1.0
|
1.1
|
0.8
|
Medi 2005
|
0.6
|
0.6
|
0.4
|
Hydref 2005
|
-0.1
|
0.1
|
0.3
|
Tachwedd 2005
|
0.1
|
0.2
|
0.4
|
Rhagfyr 2005
|
0.2
|
0.4
|
0.8
|
Ionawr 2006
|
0.6
|
0.8
|
0.2
|
Chwefror 2006
|
-0.5
|
-0.2
|
-0.2
|
Mawrth 2006
|
-0.1
|
-0.2
|
-0.7
|
Ebrill 2006
|
1.1
|
1.2
|
1.2
|
Mai 2006
|
2.0
|
1.9
|
1.7
|
Mehefin 2006
|
1.3
|
1.5
|
1.3
|
Gorffennaf 2006
|
0.4
|
0.6
|
-0.1
|
Awst 2006
|
0.7
|
0.8
|
-0.2
|
Medi 2006
|
1.3
|
1.2
|
0.6
|
Hydref 2006
|
0.0
|
-0.2
|
0.2
|
Tachwedd 2006
|
-0.3
|
-0.3
|
-0.3
|
Rhagfyr 2006
|
-0.1
|
0.2
|
0.5
|
Ionawr 2007
|
1.0
|
1.2
|
0.9
|
Chwefror 2007
|
-0.1
|
-0.1
|
0.5
|
Mawrth 2007
|
-0.6
|
-0.6
|
-1.0
|
Ebrill 2007
|
0.5
|
0.8
|
0.4
|
Mai 2007
|
1.2
|
1.5
|
1.4
|
Mehefin 2007
|
1.2
|
1.3
|
1.5
|
Gorffennaf 2007
|
1.7
|
1.6
|
1.5
|
Awst 2007
|
0.0
|
-0.0
|
-1.2
|
Medi 2007
|
0.5
|
0.3
|
0.2
|
Hydref 2007
|
-1.1
|
-1.2
|
-0.8
|
Tachwedd 2007
|
1.2
|
1.0
|
1.9
|
Rhagfyr 2007
|
-0.1
|
-0.0
|
0.4
|
Ionawr 2008
|
0.5
|
0.4
|
0.6
|
Chwefror 2008
|
-0.8
|
-0.8
|
-0.8
|
Mawrth 2008
|
0.0
|
0.1
|
-0.6
|
Ebrill 2008
|
-0.8
|
-0.7
|
-1.3
|
Mai 2008
|
0.5
|
0.6
|
0.2
|
Mehefin 2008
|
-1.6
|
-1.6
|
-1.6
|
Gorffennaf 2008
|
-0.2
|
-0.4
|
-0.4
|
Awst 2008
|
-1.3
|
-1.5
|
-1.4
|
Medi 2008
|
0.6
|
0.3
|
0.5
|
Hydref 2008
|
-2.4
|
-2.5
|
-2.2
|
Tachwedd 2008
|
-0.8
|
-0.8
|
-0.6
|
Rhagfyr 2008
|
-3.0
|
-2.8
|
-3.0
|
Ionawr 2009
|
-2.9
|
-3.0
|
-2.7
|
Chwefror 2009
|
-5.0
|
-5.0
|
-4.9
|
Mawrth 2009
|
-2.4
|
-2.6
|
-1.9
|
Ebrill 2009
|
0.8
|
1.2
|
0.5
|
Mai 2009
|
2.3
|
2.5
|
1.6
|
Mehefin 2009
|
1.4
|
1.6
|
0.5
|
Gorffennaf 2009
|
3.0
|
3.0
|
2.0
|
Awst 2009
|
1.0
|
0.9
|
0.2
|
Medi 2009
|
0.9
|
0.9
|
0.5
|
Hydref 2009
|
-0.6
|
-0.7
|
-0.8
|
Tachwedd 2009
|
0.4
|
0.6
|
0.2
|
Rhagfyr 2009
|
0.2
|
0.6
|
0.0
|
Ionawr 2010
|
-0.3
|
-0.5
|
-1.2
|
Chwefror 2010
|
-1.7
|
-2.0
|
-2.2
|
Mawrth 2010
|
-0.1
|
-0.5
|
-0.2
|
Ebrill 2010
|
0.6
|
0.7
|
0.9
|
Mai 2010
|
1.5
|
1.6
|
1.8
|
Mehefin 2010
|
1.0
|
1.2
|
0.6
|
Gorffennaf 2010
|
0.6
|
0.4
|
0.0
|
Awst 2010
|
0.3
|
-0.0
|
-0.6
|
Medi 2010
|
-0.4
|
-0.7
|
-0.9
|
Hydref 2010
|
-1.1
|
-1.2
|
-0.9
|
Tachwedd 2010
|
-0.5
|
-0.6
|
-0.1
|
Rhagfyr 2010
|
-0.2
|
-0.2
|
-0.2
|
Ionawr 2011
|
-1.3
|
-1.4
|
-1.4
|
Chwefror 2011
|
-0.6
|
-0.5
|
-0.5
|
Mawrth 2011
|
-1.3
|
-1.4
|
-1.4
|
Ebrill 2011
|
1.3
|
1.5
|
1.5
|
Mai 2011
|
0.3
|
0.4
|
0.6
|
Mehefin 2011
|
0.4
|
0.4
|
0.6
|
Gorffennaf 2011
|
-0.9
|
-0.9
|
-0.7
|
Awst 2011
|
0.5
|
0.3
|
-0.7
|
Medi 2011
|
1.2
|
1.0
|
0.5
|
Hydref 2011
|
1.1
|
0.7
|
0.3
|
Tachwedd 2011
|
0.1
|
0.1
|
0.8
|
Rhagfyr 2011
|
-1.0
|
-1.1
|
-0.8
|
Ionawr 2012
|
-0.7
|
-0.6
|
-1.0
|
Chwefror 2012
|
-1.6
|
-1.4
|
-2.2
|
Mawrth 2012
|
-0.5
|
-0.1
|
-0.4
|
Ebrill 2012
|
-0.8
|
-0.8
|
-0.2
|
Mai 2012
|
1.6
|
1.6
|
1.8
|
Mehefin 2012
|
1.5
|
1.5
|
1.0
|
Gorffennaf 2012
|
-0.6
|
-0.5
|
-1.0
|
Awst 2012
|
-0.7
|
-0.6
|
-1.3
|
Medi 2012
|
-1.4
|
-1.5
|
-1.6
|
Hydref 2012
|
0.7
|
0.6
|
0.7
|
Tachwedd 2012
|
-0.4
|
-0.4
|
-0.3
|
Rhagfyr 2012
|
1.4
|
1.4
|
1.4
|
Ionawr 2013
|
-1.7
|
-1.8
|
-2.1
|
Chwefror 2013
|
-0.5
|
-0.5
|
-0.7
|
Mawrth 2013
|
-1.3
|
-1.4
|
-1.3
|
Ebrill 2013
|
2.6
|
2.8
|
2.6
|
Mai 2013
|
-0.1
|
-0.1
|
0.2
|
Mehefin 2013
|
1.9
|
2.1
|
1.6
|
Gorffennaf 2013
|
1.0
|
1.0
|
1.0
|
Awst 2013
|
1.1
|
1.1
|
0.6
|
Medi 2013
|
-0.5
|
-0.7
|
-0.5
|
Hydref 2013
|
-0.7
|
-1.0
|
-1.0
|
Tachwedd 2013
|
0.2
|
0.0
|
0.2
|
Rhagfyr 2013
|
-0.6
|
-0.6
|
-0.2
|
Ionawr 2014
|
0.0
|
0.1
|
0.3
|
Chwefror 2014
|
0.1
|
0.1
|
-0.1
|
Mawrth 2014
|
0.5
|
0.6
|
-0.0
|
Ebrill 2014
|
1.0
|
1.2
|
0.7
|
Mai 2014
|
0.9
|
1.2
|
1.0
|
Mehefin 2014
|
0.0
|
0.1
|
-0.0
|
Gorffennaf 2014
|
0.0
|
0.1
|
-0.3
|
Awst 2014
|
0.2
|
0.0
|
-0.2
|
Medi 2014
|
0.2
|
0.2
|
0.2
|
Hydref 2014
|
1.2
|
1.1
|
1.6
|
Tachwedd 2014
|
0.7
|
0.6
|
0.9
|
Rhagfyr 2014
|
0.5
|
0.3
|
0.5
|
Ionawr 2015
|
-1.2
|
-1.4
|
-1.3
|
Chwefror 2015
|
0.3
|
0.3
|
0.5
|
Mawrth 2015
|
0.3
|
0.1
|
0.3
|
Ebrill 2015
|
0.5
|
0.5
|
0.4
|
Mai 2015
|
-0.2
|
-0.2
|
-0.3
|
Mehefin 2015
|
-0.4
|
-0.1
|
-0.9
|
Gorffennaf 2015
|
1.2
|
1.3
|
1.1
|
Awst 2015
|
1.5
|
1.4
|
1.1
|
Medi 2015
|
2.0
|
1.7
|
2.1
|
Hydref 2015
|
-0.4
|
-0.5
|
-0.6
|
Tachwedd 2015
|
-0.2
|
-0.3
|
-0.3
|
Rhagfyr 2015
|
-0.8
|
-0.8
|
-1.1
|
Ionawr 2016
|
0.2
|
0.1
|
0.2
|
Chwefror 2016
|
0.9
|
0.9
|
0.8
|
Mawrth 2016
|
0.6
|
0.6
|
1.1
|
Ebrill 2016
|
0.7
|
0.9
|
0.7
|
Mai 2016
|
-0.8
|
-0.5
|
-0.2
|
Mehefin 2016
|
1.5
|
1.7
|
1.4
|
Gorffennaf 2016
|
0.4
|
0.4
|
0.5
|
Awst 2016
|
1.4
|
1.2
|
1.2
|
Medi 2016
|
0.2
|
0.0
|
0.2
|
Hydref 2016
|
0.2
|
-0.2
|
0.5
|
Tachwedd 2016
|
-0.6
|
-1.1
|
-0.7
|
Rhagfyr 2016
|
-1.0
|
-1.0
|
-0.7
|
Ionawr 2017
|
-0.2
|
-0.2
|
-0.4
|
Chwefror 2017
|
1.5
|
1.7
|
2.3
|
Mawrth 2017
|
0.4
|
0.3
|
0.6
|
Ebrill 2017
|
1.8
|
1.9
|
2.3
|
Mai 2017
|
-0.1
|
-0.1
|
-0.0
|
Mehefin 2017
|
1.8
|
2.1
|
2.2
|
Gorffennaf 2017
|
0.4
|
0.4
|
0.6
|
Awst 2017
|
0.8
|
0.9
|
0.4
|
Medi 2017
|
0.5
|
0.3
|
-0.1
|
Hydref 2017
|
-0.6
|
-0.7
|
-1.1
|
Tachwedd 2017
|
-0.2
|
-0.3
|
-0.3
|
Rhagfyr 2017
|
-0.2
|
-0.2
|
-0.1
|
Ionawr 2018
|
0.6
|
0.6
|
0.6
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
44.4
|
40.9
|
48.0
|
Chwefror 2002
|
45.6
|
42.0
|
49.4
|
Mawrth 2002
|
46.2
|
42.7
|
49.8
|
Ebrill 2002
|
47.6
|
44.1
|
51.7
|
Mai 2002
|
48.7
|
45.2
|
53.0
|
Mehefin 2002
|
50.4
|
46.8
|
55.0
|
Gorffennaf 2002
|
52.7
|
49.1
|
57.1
|
Awst 2002
|
53.6
|
49.8
|
58.0
|
Medi 2002
|
56.0
|
52.0
|
60.4
|
Hydref 2002
|
56.8
|
52.6
|
61.5
|
Tachwedd 2002
|
59.0
|
54.6
|
64.1
|
Rhagfyr 2002
|
59.6
|
55.2
|
65.3
|
Ionawr 2003
|
61.4
|
57.1
|
67.4
|
Chwefror 2003
|
60.5
|
56.3
|
66.5
|
Mawrth 2003
|
60.3
|
56.2
|
66.2
|
Ebrill 2003
|
61.1
|
57.0
|
67.3
|
Mai 2003
|
63.2
|
59.1
|
69.6
|
Mehefin 2003
|
64.4
|
60.4
|
71.2
|
Gorffennaf 2003
|
65.9
|
61.8
|
72.6
|
Awst 2003
|
67.8
|
63.8
|
74.9
|
Medi 2003
|
69.9
|
65.9
|
76.8
|
Hydref 2003
|
70.9
|
67.0
|
78.2
|
Tachwedd 2003
|
72.2
|
68.3
|
79.5
|
Rhagfyr 2003
|
73.5
|
69.9
|
81.7
|
Ionawr 2004
|
74.6
|
71.0
|
83.0
|
Chwefror 2004
|
75.4
|
72.1
|
84.4
|
Mawrth 2004
|
76.3
|
73.1
|
85.2
|
Ebrill 2004
|
77.9
|
75.1
|
87.1
|
Mai 2004
|
80.6
|
78.2
|
90.5
|
Mehefin 2004
|
84.4
|
82.2
|
95.1
|
Gorffennaf 2004
|
86.9
|
84.7
|
97.7
|
Awst 2004
|
87.9
|
85.6
|
98.6
|
Medi 2004
|
88.8
|
86.4
|
99.2
|
Hydref 2004
|
89.9
|
87.5
|
100.9
|
Tachwedd 2004
|
90.6
|
88.4
|
102.2
|
Rhagfyr 2004
|
90.2
|
88.3
|
102.5
|
Ionawr 2005
|
88.6
|
87.0
|
101.0
|
Chwefror 2005
|
91.6
|
90.1
|
104.6
|
Mawrth 2005
|
92.5
|
90.9
|
105.2
|
Ebrill 2005
|
93.0
|
91.5
|
105.9
|
Mai 2005
|
91.5
|
90.2
|
104.2
|
Mehefin 2005
|
92.1
|
91.2
|
105.2
|
Gorffennaf 2005
|
94.1
|
93.2
|
107.0
|
Awst 2005
|
95.1
|
94.2
|
107.9
|
Medi 2005
|
95.6
|
94.7
|
108.3
|
Hydref 2005
|
95.6
|
94.8
|
108.7
|
Tachwedd 2005
|
95.6
|
95.0
|
109.0
|
Rhagfyr 2005
|
95.8
|
95.4
|
110.0
|
Ionawr 2006
|
96.3
|
96.1
|
110.2
|
Chwefror 2006
|
95.9
|
95.9
|
109.9
|
Mawrth 2006
|
95.8
|
95.8
|
109.1
|
Ebrill 2006
|
96.8
|
96.9
|
110.4
|
Mai 2006
|
98.7
|
98.8
|
112.4
|
Mehefin 2006
|
100.0
|
100.2
|
113.8
|
Gorffennaf 2006
|
100.4
|
100.9
|
113.8
|
Awst 2006
|
101.2
|
101.7
|
113.6
|
Medi 2006
|
102.5
|
102.9
|
114.3
|
Hydref 2006
|
102.5
|
102.7
|
114.5
|
Tachwedd 2006
|
102.2
|
102.4
|
114.2
|
Rhagfyr 2006
|
102.1
|
102.6
|
114.7
|
Ionawr 2007
|
103.2
|
103.8
|
115.7
|
Chwefror 2007
|
103.1
|
103.8
|
116.3
|
Mawrth 2007
|
102.4
|
103.2
|
115.1
|
Ebrill 2007
|
103.0
|
103.9
|
115.6
|
Mai 2007
|
104.2
|
105.5
|
117.3
|
Mehefin 2007
|
105.5
|
106.8
|
119.0
|
Gorffennaf 2007
|
107.3
|
108.6
|
120.8
|
Awst 2007
|
107.3
|
108.5
|
119.4
|
Medi 2007
|
107.9
|
108.9
|
119.6
|
Hydref 2007
|
106.7
|
107.5
|
118.6
|
Tachwedd 2007
|
108.0
|
108.7
|
120.8
|
Rhagfyr 2007
|
107.9
|
108.6
|
121.4
|
Ionawr 2008
|
108.4
|
109.1
|
122.1
|
Chwefror 2008
|
107.6
|
108.3
|
121.1
|
Mawrth 2008
|
107.6
|
108.4
|
120.4
|
Ebrill 2008
|
106.7
|
107.7
|
118.8
|
Mai 2008
|
107.2
|
108.3
|
119.1
|
Mehefin 2008
|
105.5
|
106.6
|
117.2
|
Gorffennaf 2008
|
105.2
|
106.2
|
116.7
|
Awst 2008
|
103.8
|
104.6
|
115.1
|
Medi 2008
|
104.5
|
104.9
|
115.7
|
Hydref 2008
|
102.1
|
102.3
|
113.1
|
Tachwedd 2008
|
101.3
|
101.4
|
112.5
|
Rhagfyr 2008
|
98.2
|
98.6
|
109.2
|
Ionawr 2009
|
95.4
|
95.6
|
106.2
|
Chwefror 2009
|
90.6
|
90.8
|
101.0
|
Mawrth 2009
|
88.4
|
88.5
|
99.1
|
Ebrill 2009
|
89.2
|
89.6
|
99.6
|
Mai 2009
|
91.2
|
91.8
|
101.2
|
Mehefin 2009
|
92.5
|
93.2
|
101.7
|
Gorffennaf 2009
|
95.3
|
96.1
|
103.8
|
Awst 2009
|
96.2
|
97.0
|
104.0
|
Medi 2009
|
97.1
|
97.8
|
104.6
|
Hydref 2009
|
96.5
|
97.1
|
103.7
|
Tachwedd 2009
|
96.9
|
97.6
|
103.9
|
Rhagfyr 2009
|
97.1
|
98.2
|
103.9
|
Ionawr 2010
|
96.8
|
97.7
|
102.7
|
Chwefror 2010
|
95.2
|
95.8
|
100.4
|
Mawrth 2010
|
95.1
|
95.3
|
100.2
|
Ebrill 2010
|
95.6
|
96.0
|
101.1
|
Mai 2010
|
97.1
|
97.6
|
102.9
|
Mehefin 2010
|
98.1
|
98.8
|
103.5
|
Gorffennaf 2010
|
98.7
|
99.2
|
103.5
|
Awst 2010
|
99.0
|
99.2
|
102.8
|
Medi 2010
|
98.6
|
98.5
|
102.0
|
Hydref 2010
|
97.4
|
97.3
|
101.0
|
Tachwedd 2010
|
96.9
|
96.7
|
100.9
|
Rhagfyr 2010
|
96.7
|
96.5
|
100.8
|
Ionawr 2011
|
95.5
|
95.2
|
99.3
|
Chwefror 2011
|
94.9
|
94.7
|
98.8
|
Mawrth 2011
|
93.7
|
93.4
|
97.4
|
Ebrill 2011
|
94.9
|
94.8
|
98.9
|
Mai 2011
|
95.2
|
95.2
|
99.5
|
Mehefin 2011
|
95.6
|
95.6
|
100.1
|
Gorffennaf 2011
|
94.7
|
94.8
|
99.3
|
Awst 2011
|
95.1
|
95.0
|
98.7
|
Medi 2011
|
96.3
|
96.0
|
99.2
|
Hydref 2011
|
97.3
|
96.7
|
99.4
|
Tachwedd 2011
|
97.4
|
96.8
|
100.2
|
Rhagfyr 2011
|
96.4
|
95.7
|
99.5
|
Ionawr 2012
|
95.8
|
95.1
|
98.5
|
Chwefror 2012
|
94.2
|
93.8
|
96.4
|
Mawrth 2012
|
93.7
|
93.7
|
96.0
|
Ebrill 2012
|
93.0
|
93.0
|
95.9
|
Mai 2012
|
94.4
|
94.5
|
97.6
|
Mehefin 2012
|
95.8
|
95.9
|
98.6
|
Gorffennaf 2012
|
95.2
|
95.5
|
97.7
|
Awst 2012
|
94.5
|
94.9
|
96.4
|
Medi 2012
|
93.2
|
93.5
|
94.9
|
Hydref 2012
|
93.8
|
94.1
|
95.5
|
Tachwedd 2012
|
93.5
|
93.7
|
95.3
|
Rhagfyr 2012
|
94.8
|
95.1
|
96.6
|
Ionawr 2013
|
93.2
|
93.4
|
94.6
|
Chwefror 2013
|
92.8
|
92.9
|
93.9
|
Mawrth 2013
|
91.6
|
91.6
|
92.7
|
Ebrill 2013
|
93.9
|
94.2
|
95.0
|
Mai 2013
|
93.8
|
94.1
|
95.2
|
Mehefin 2013
|
95.6
|
96.1
|
96.8
|
Gorffennaf 2013
|
96.5
|
97.1
|
97.7
|
Awst 2013
|
97.6
|
98.1
|
98.3
|
Medi 2013
|
97.1
|
97.5
|
97.9
|
Hydref 2013
|
96.4
|
96.5
|
96.9
|
Tachwedd 2013
|
96.6
|
96.6
|
97.0
|
Rhagfyr 2013
|
96.0
|
96.0
|
96.8
|
Ionawr 2014
|
96.0
|
96.1
|
97.1
|
Chwefror 2014
|
96.1
|
96.3
|
97.1
|
Mawrth 2014
|
96.6
|
96.8
|
97.1
|
Ebrill 2014
|
97.6
|
97.9
|
97.8
|
Mai 2014
|
98.4
|
99.1
|
98.8
|
Mehefin 2014
|
98.5
|
99.2
|
98.8
|
Gorffennaf 2014
|
98.5
|
99.2
|
98.4
|
Awst 2014
|
98.7
|
99.2
|
98.2
|
Medi 2014
|
98.8
|
99.4
|
98.4
|
Hydref 2014
|
100.0
|
100.5
|
99.9
|
Tachwedd 2014
|
100.8
|
101.0
|
100.8
|
Rhagfyr 2014
|
101.2
|
101.4
|
101.3
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
100.3
|
100.5
|
Mawrth 2015
|
100.6
|
100.4
|
100.8
|
Ebrill 2015
|
101.1
|
100.9
|
101.1
|
Mai 2015
|
101.0
|
100.7
|
100.8
|
Mehefin 2015
|
100.6
|
100.6
|
100.0
|
Gorffennaf 2015
|
101.8
|
101.9
|
101.1
|
Awst 2015
|
103.3
|
103.4
|
102.2
|
Medi 2015
|
105.4
|
105.2
|
104.4
|
Hydref 2015
|
104.9
|
104.7
|
103.8
|
Tachwedd 2015
|
104.8
|
104.4
|
103.5
|
Rhagfyr 2015
|
103.9
|
103.5
|
102.4
|
Ionawr 2016
|
104.2
|
103.6
|
102.6
|
Chwefror 2016
|
105.1
|
104.6
|
103.4
|
Mawrth 2016
|
105.8
|
105.2
|
104.5
|
Ebrill 2016
|
106.5
|
106.1
|
105.2
|
Mai 2016
|
105.6
|
105.6
|
105.0
|
Mehefin 2016
|
107.2
|
107.4
|
106.5
|
Gorffennaf 2016
|
107.7
|
107.8
|
107.0
|
Awst 2016
|
109.1
|
109.1
|
108.3
|
Medi 2016
|
109.4
|
109.2
|
108.4
|
Hydref 2016
|
109.5
|
108.9
|
109.0
|
Tachwedd 2016
|
108.8
|
107.7
|
108.2
|
Rhagfyr 2016
|
107.8
|
106.6
|
107.5
|
Ionawr 2017
|
107.6
|
106.4
|
107.0
|
Chwefror 2017
|
109.2
|
108.2
|
109.5
|
Mawrth 2017
|
109.7
|
108.5
|
110.1
|
Ebrill 2017
|
111.7
|
110.6
|
112.6
|
Mai 2017
|
111.6
|
110.5
|
112.6
|
Mehefin 2017
|
113.6
|
112.8
|
115.1
|
Gorffennaf 2017
|
114.1
|
113.2
|
115.8
|
Awst 2017
|
115.0
|
114.2
|
116.2
|
Medi 2017
|
115.5
|
114.6
|
116.2
|
Hydref 2017
|
114.8
|
113.7
|
114.8
|
Tachwedd 2017
|
114.6
|
113.4
|
114.5
|
Rhagfyr 2017
|
114.4
|
113.2
|
114.4
|
Ionawr 2018
|
115.1
|
113.8
|
115.0
|
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 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
|
148382.0
|
Chwefror 2012
|
146491.0
|
Mawrth 2012
|
145876.0
|
Ebrill 2012
|
144638.0
|
Mai 2012
|
146850.0
|
Mehefin 2012
|
149049.0
|
Gorffennaf 2012
|
148122.0
|
Awst 2012
|
147099.0
|
Medi 2012
|
145053.0
|
Hydref 2012
|
146065.0
|
Tachwedd 2012
|
145523.0
|
Rhagfyr 2012
|
147638.0
|
Ionawr 2013
|
145223.0
|
Chwefror 2013
|
144489.0
|
Mawrth 2013
|
142565.0
|
Ebrill 2013
|
146228.0
|
Mai 2013
|
146087.0
|
Mehefin 2013
|
148999.0
|
Gorffennaf 2013
|
150407.0
|
Awst 2013
|
152130.0
|
Medi 2013
|
151294.0
|
Hydref 2013
|
150219.0
|
Tachwedd 2013
|
150377.0
|
Rhagfyr 2013
|
149480.0
|
Ionawr 2014
|
149475.0
|
Chwefror 2014
|
149618.0
|
Mawrth 2014
|
150421.0
|
Ebrill 2014
|
151945.0
|
Mai 2014
|
153331.0
|
Mehefin 2014
|
153353.0
|
Gorffennaf 2014
|
153417.0
|
Awst 2014
|
153668.0
|
Medi 2014
|
153954.0
|
Hydref 2014
|
155790.0
|
Tachwedd 2014
|
156868.0
|
Rhagfyr 2014
|
157598.0
|
Ionawr 2015
|
155665.0
|
Chwefror 2015
|
156217.0
|
Mawrth 2015
|
156692.0
|
Ebrill 2015
|
157472.0
|
Mai 2015
|
157182.0
|
Mehefin 2015
|
156596.0
|
Gorffennaf 2015
|
158573.0
|
Awst 2015
|
160891.0
|
Medi 2015
|
164038.0
|
Hydref 2015
|
163371.0
|
Tachwedd 2015
|
163091.0
|
Rhagfyr 2015
|
161825.0
|
Ionawr 2016
|
162221.0
|
Chwefror 2016
|
163680.0
|
Mawrth 2016
|
164716.0
|
Ebrill 2016
|
165824.0
|
Mai 2016
|
164436.0
|
Mehefin 2016
|
166869.0
|
Gorffennaf 2016
|
167580.0
|
Awst 2016
|
169814.0
|
Medi 2016
|
170232.0
|
Hydref 2016
|
170450.0
|
Tachwedd 2016
|
169358.0
|
Rhagfyr 2016
|
167678.0
|
Ionawr 2017
|
167440.0
|
Chwefror 2017
|
169925.0
|
Mawrth 2017
|
170660.0
|
Ebrill 2017
|
173724.0
|
Mai 2017
|
173627.0
|
Mehefin 2017
|
176768.0
|
Gorffennaf 2017
|
177496.0
|
Awst 2017
|
178927.0
|
Medi 2017
|
179804.0
|
Hydref 2017
|
178719.0
|
Tachwedd 2017
|
178397.0
|
Rhagfyr 2017
|
178054.0
|
Ionawr 2018
|
179180.0
|
Dyddiad
|
Pryniannau morgais
|
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
|
-2.1
|
Chwefror 2013
|
-1.4
|
Mawrth 2013
|
-2.3
|
Ebrill 2013
|
1.1
|
Mai 2013
|
-0.5
|
Mehefin 2013
|
-0.0
|
Gorffennaf 2013
|
1.5
|
Awst 2013
|
3.4
|
Medi 2013
|
4.3
|
Hydref 2013
|
2.8
|
Tachwedd 2013
|
3.3
|
Rhagfyr 2013
|
1.2
|
Ionawr 2014
|
2.9
|
Chwefror 2014
|
3.6
|
Mawrth 2014
|
5.5
|
Ebrill 2014
|
3.9
|
Mai 2014
|
5.0
|
Mehefin 2014
|
2.9
|
Gorffennaf 2014
|
2.0
|
Awst 2014
|
1.0
|
Medi 2014
|
1.8
|
Hydref 2014
|
3.7
|
Tachwedd 2014
|
4.3
|
Rhagfyr 2014
|
5.4
|
Ionawr 2015
|
4.1
|
Chwefror 2015
|
4.4
|
Mawrth 2015
|
4.2
|
Ebrill 2015
|
3.6
|
Mai 2015
|
2.5
|
Mehefin 2015
|
2.1
|
Gorffennaf 2015
|
3.4
|
Awst 2015
|
4.7
|
Medi 2015
|
6.6
|
Hydref 2015
|
4.9
|
Tachwedd 2015
|
4.0
|
Rhagfyr 2015
|
2.7
|
Ionawr 2016
|
4.2
|
Chwefror 2016
|
4.8
|
Mawrth 2016
|
5.1
|
Ebrill 2016
|
5.3
|
Mai 2016
|
4.6
|
Mehefin 2016
|
6.6
|
Gorffennaf 2016
|
5.7
|
Awst 2016
|
5.6
|
Medi 2016
|
3.8
|
Hydref 2016
|
4.3
|
Tachwedd 2016
|
3.8
|
Rhagfyr 2016
|
3.6
|
Ionawr 2017
|
3.2
|
Chwefror 2017
|
3.8
|
Mawrth 2017
|
3.6
|
Ebrill 2017
|
4.3
|
Mai 2017
|
5.2
|
Mehefin 2017
|
5.9
|
Gorffennaf 2017
|
5.9
|
Awst 2017
|
5.4
|
Medi 2017
|
5.6
|
Hydref 2017
|
4.8
|
Tachwedd 2017
|
5.3
|
Rhagfyr 2017
|
6.2
|
Ionawr 2018
|
7.0
|
Dyddiad
|
Pryniannau morgais
|
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
|
-1.3
|
Mawrth 2012
|
-0.4
|
Ebrill 2012
|
-0.8
|
Mai 2012
|
1.5
|
Mehefin 2012
|
1.5
|
Gorffennaf 2012
|
-0.6
|
Awst 2012
|
-0.7
|
Medi 2012
|
-1.4
|
Hydref 2012
|
0.7
|
Tachwedd 2012
|
-0.4
|
Rhagfyr 2012
|
1.4
|
Ionawr 2013
|
-1.6
|
Chwefror 2013
|
-0.5
|
Mawrth 2013
|
-1.3
|
Ebrill 2013
|
2.6
|
Mai 2013
|
-0.1
|
Mehefin 2013
|
2.0
|
Gorffennaf 2013
|
1.0
|
Awst 2013
|
1.2
|
Medi 2013
|
-0.6
|
Hydref 2013
|
-0.7
|
Tachwedd 2013
|
0.1
|
Rhagfyr 2013
|
-0.6
|
Ionawr 2014
|
0.0
|
Chwefror 2014
|
0.1
|
Mawrth 2014
|
0.5
|
Ebrill 2014
|
1.0
|
Mai 2014
|
0.9
|
Mehefin 2014
|
0.0
|
Gorffennaf 2014
|
0.0
|
Awst 2014
|
0.2
|
Medi 2014
|
0.2
|
Hydref 2014
|
1.2
|
Tachwedd 2014
|
0.7
|
Rhagfyr 2014
|
0.5
|
Ionawr 2015
|
-1.2
|
Chwefror 2015
|
0.4
|
Mawrth 2015
|
0.3
|
Ebrill 2015
|
0.5
|
Mai 2015
|
-0.2
|
Mehefin 2015
|
-0.4
|
Gorffennaf 2015
|
1.3
|
Awst 2015
|
1.5
|
Medi 2015
|
2.0
|
Hydref 2015
|
-0.4
|
Tachwedd 2015
|
-0.2
|
Rhagfyr 2015
|
-0.8
|
Ionawr 2016
|
0.2
|
Chwefror 2016
|
0.9
|
Mawrth 2016
|
0.6
|
Ebrill 2016
|
0.7
|
Mai 2016
|
-0.8
|
Mehefin 2016
|
1.5
|
Gorffennaf 2016
|
0.4
|
Awst 2016
|
1.3
|
Medi 2016
|
0.2
|
Hydref 2016
|
0.1
|
Tachwedd 2016
|
-0.6
|
Rhagfyr 2016
|
-1.0
|
Ionawr 2017
|
-0.1
|
Chwefror 2017
|
1.5
|
Mawrth 2017
|
0.4
|
Ebrill 2017
|
1.8
|
Mai 2017
|
-0.1
|
Mehefin 2017
|
1.8
|
Gorffennaf 2017
|
0.4
|
Awst 2017
|
0.8
|
Medi 2017
|
0.5
|
Hydref 2017
|
-0.6
|
Tachwedd 2017
|
-0.2
|
Rhagfyr 2017
|
-0.2
|
Ionawr 2018
|
0.6
|
Dyddiad
|
Pryniannau morgais
|
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
|
95.3
|
Chwefror 2012
|
94.1
|
Mawrth 2012
|
93.7
|
Ebrill 2012
|
92.9
|
Mai 2012
|
94.3
|
Mehefin 2012
|
95.8
|
Gorffennaf 2012
|
95.2
|
Awst 2012
|
94.5
|
Medi 2012
|
93.2
|
Hydref 2012
|
93.8
|
Tachwedd 2012
|
93.5
|
Rhagfyr 2012
|
94.8
|
Ionawr 2013
|
93.3
|
Chwefror 2013
|
92.8
|
Mawrth 2013
|
91.6
|
Ebrill 2013
|
93.9
|
Mai 2013
|
93.8
|
Mehefin 2013
|
95.7
|
Gorffennaf 2013
|
96.6
|
Awst 2013
|
97.7
|
Medi 2013
|
97.2
|
Hydref 2013
|
96.5
|
Tachwedd 2013
|
96.6
|
Rhagfyr 2013
|
96.0
|
Ionawr 2014
|
96.0
|
Chwefror 2014
|
96.1
|
Mawrth 2014
|
96.6
|
Ebrill 2014
|
97.6
|
Mai 2014
|
98.5
|
Mehefin 2014
|
98.5
|
Gorffennaf 2014
|
98.6
|
Awst 2014
|
98.7
|
Medi 2014
|
98.9
|
Hydref 2014
|
100.1
|
Tachwedd 2014
|
100.8
|
Rhagfyr 2014
|
101.2
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.4
|
Mawrth 2015
|
100.7
|
Ebrill 2015
|
101.2
|
Mai 2015
|
101.0
|
Mehefin 2015
|
100.6
|
Gorffennaf 2015
|
101.9
|
Awst 2015
|
103.4
|
Medi 2015
|
105.4
|
Hydref 2015
|
105.0
|
Tachwedd 2015
|
104.8
|
Rhagfyr 2015
|
104.0
|
Ionawr 2016
|
104.2
|
Chwefror 2016
|
105.2
|
Mawrth 2016
|
105.8
|
Ebrill 2016
|
106.5
|
Mai 2016
|
105.6
|
Mehefin 2016
|
107.2
|
Gorffennaf 2016
|
107.6
|
Awst 2016
|
109.1
|
Medi 2016
|
109.4
|
Hydref 2016
|
109.5
|
Tachwedd 2016
|
108.8
|
Rhagfyr 2016
|
107.7
|
Ionawr 2017
|
107.6
|
Chwefror 2017
|
109.2
|
Mawrth 2017
|
109.6
|
Ebrill 2017
|
111.6
|
Mai 2017
|
111.5
|
Mehefin 2017
|
113.6
|
Gorffennaf 2017
|
114.0
|
Awst 2017
|
114.9
|
Medi 2017
|
115.5
|
Hydref 2017
|
114.8
|
Tachwedd 2017
|
114.6
|
Rhagfyr 2017
|
114.4
|
Ionawr 2018
|
115.1
|
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