Heliwr
Heliwr

Cartref : Home |  Amdanom : About  |  Casgliadau : Collections  |  Oriel : Gallery  |  Map  |  Cyswllt : Contact

Privacy Policy |  Contact   |  Site  Map
Anglesey Weather 1966 -1975
(RAF Valley)
(With many thanks to Mr Emlyn Roberts for his valuable advice)

Year

Month

Temp -  Max

Temp -  Min

Rain fall (mm)

Sunshine (hrs)

1966

Jan

6.8

2.2

51.6

57.8

1966

Feb

8.5

4.2

109.2

57.9

1966

Mar

9.8

5.2

50.6

124.7

1966

Apr

10.4

5

93.5

127.1

1966

May

14.2

7.8

54.5

259.9

1966

Jun

17.1

11.8

81.1

175.8

1966

Jul

17.8

11.8

47.3

210.8

1966

Aug

18.1

11.4

88.4

189.4

1966

Sep

17.4

10.9

76.3

153.4

1966

Oct

13.7

8.3

98

106.9

1966

Nov

9.7

5.3

56.7

56.1

1966

Dec

9.1

5.3

113.3

41.3

1967

Jan

8

4.2

52.8

47.9

1967

Feb

8.7

3.8

73.4

102.7

1967

Mar

9.6

5.3

29.8

153.2

1967

Apr

11.2

5.1

46.7

172.3

1967

May

12.5

7.3

122.5

178.7

1967

Jun

17.1

9.8

38.2

219.3

1967

Jul

18.1

12.8

99.9

168

1967

Aug

18.1

12.5

47.4

175.6

1967

Sep

16.6

10.7

118.5

169.8

1967

Oct

13.6

9.5

171.8

86.7

1967

Nov

10.2

4.5

79.8

78.2

1967

Dec

8.4

4.6

81.3

57.7

1968

Jan

7.9

4.3

89.3

33.2

1968

Feb

6.3

0.8

43.9

117.8

1968

Mar

9.3

3.9

53.4

115.8

1968

Apr

11.6

4.7

62.7

181.2

1968

May

13

6.3

55.9

192.6

1968

Jun

17.7

11

46.9

229.3

1968

Jul

18.4

11.2

86.7

215.4

1968

Aug

19

12.5

58.3

201.7

1968

Sep

17.1

11.8

102.1

132.1

1968

Oct

14.9

11

98.2

53.4

1968

Nov

10.2

5.5

67.1

71.1

1968

Dec

7.8

2.7

50.2

56

1969

Jan

8.2

4.4

116.3

32.5

1969

Feb

5.3

0.1

72.2

56.1

1969

Mar

7.6

1.6

28

132

1969

Apr

11.3

4.4

66.6

212.4

1969

May

13.7

7.7

84.8

169.2

1969

Jun

17.3

9.9

58.2

290.8

1969

Jul

18.6

12.2

13

176.6

1969

Aug

18.6

13

64.2

159

1969

Sep

17.3

11.4

28.6

107.6

1969

Oct

16.7

11.2

19.1

117

1969

Nov

9.1

4

186.4

65.9

1969

Dec

8

3

119.1

47.6

1970

Jan

8

2.9

73.2

43.3

1970

Feb

7

1.9

59.4

97.5

1970

Mar

7.7

2.6

69.6

127.5

1970

Apr

9.3

4.4

98

155.3

1970

May

15.4

9

10.4

154.2

1970

Jun

20

11.6

42.6

255.7

1970

Jul

17.1

11.7

77.2

146.7

1970

Aug

19.2

12.3

82.8

176.3

1970

Sep

17.2

11.7

48.2

130

1970

Oct

14

8.8

90.2

98.2

1970

Nov

11.1

7.2

179

51.9

1970

Dec

8.5

3.6

48.5

55.4

1971

Jan

8.5

4.1

61

48.4

1971

Feb

8.3

4.1

46.6

67.7

1971

Mar

8.6

3.4

91.7

83.5

1971

Apr

12.1

5.3

41.1

168.5

1971

May

15.3

7.8

27.6

250.5

1971

Jun

15.5

9.7

67.7

163.2

1971

Jul

19.8

12.3

44.7

272.1

1971

Aug

18.1

12.6

58.2

147.6

1971

Sep

18.9

11.3

35.1

185.8

1971

Oct

15.4

10

49.9

101.7

1971

Nov

10.8

6.3

101.7

60

1971

Dec

10.1

6.2

25.7

32.5

1972

Jan

7.7

3.2

88.9

53.5

1972

Feb

8.3

3.5

51.4

85.4

1972

Mar

10.3

3.7

65.6

133.1

1972

Apr

11.3

6.1

84.4

171.5

1972

May

13.2

7.9

37.8

182.2

1972

Jun

14.2

9.3

98.8

199.8

1972

Jul

18.5

12

70.7

216.6

1972

Aug

17.5

11

29.1

184.7

1972

Sep

16.6

8.9

26.3

185.4

1972

Oct

15.4

8.5

39.4

119.9

1972

Nov

10.5

5.8

127.1

62

1972

Dec

10.5

5.8

85.1

45.6

1973

Jan

8.4

4.4

47.2

41.1

1973

Feb

8.3

3.8

28

76.9

1973

Mar

10.2

3.8

33.6

157.8

1973

Apr

10.6

4.6

48.9

172.8

1973

May

15.2

8.2

87.7

163.4

1973

Jun

17.6

10.2

13.8

248.8

1973

Jul

17.7

11.7

80.6

182.3

1973

Aug

19.6

12.9

92.3

191.6

1973

Sep

17.5

11.4

126.7

145.3

1973

Oct

13.5

8

57.1

105.1

1973

Nov

10.7

5.8

96.1

61.1

1973

Dec

9.1

4.4

77.6

46.3

1974

Jan

9.5

5.4

143.6

50.1

1974

Feb

8.9

4.6

89.9

73.6

1974

Mar

9.4

3.6

35.2

117.7

1974

Apr

13.6

4.9

7.7

242.4

1974

May

14

8.1

64.3

203.9

1974

Jun

17.4

10.6

23.1

268.3

1974

Jul

16.8

12.1

84

176.6

1974

Aug

17.7

12.3

40.1

182

1974

Sep

15.3

10.3

160

125.7

1974

Oct

11.5

6.9

85.9

103.2

1974

Nov

10

5.3

82.7

69.1

1974

Dec

10.2

7

52.1

33.9

1975

Jan

9.5

5.8

127.5

41

1975

Feb

9.8

2.3

21.2

129.3

1975

Mar

8.3

2.7

48.2

142.7

1975

Apr

10.7

5.3

76.2

162

1975

May

13.8

6.1

24.5

278.9

1975

Jun

18.5

9.8

11.1

304.1

1975

Jul

19.6

13.2

48.1

204.6

1975

Aug

20.4

13.6

77.9

220.8

1975

Sep

16.3

10.6

75.6

171.1

1975

Oct

14.5

8.4

58

139.1

1975

Nov

11

5.4

94.9

73.1

1975

Dec

9.4

5.9

54.4

32.6