Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Highest

6

6

10

13

17

19

19

19

18

15

11

-3

Lowest

-12

-8

-5

-2

3

8

9

9

7

0

-7

-12

Highest

43

43

50

55

63

66

66

66

64

59

52

27

Lowest

10

18

23

28

37

46

48

48

45

32

19

10

mm

4

14

21

27

27

91

157

160

72

38

8

5

inches

0.16

0.55

0.83

1.06

1.06

3.6

6.18

6.3

2.83

1.5

0.31

0.2