Latitude

1948-58

1958-68

1968-78

1978-88

1988-98

1998-2008

2008-2014

min

max

min

max

min

max

min

max

min

max

min

max

min

max

January

20

25

17

25

17

22

19

23

18

23

19

22

20

23

February

20

27

15

25

18

25

18

24

17

24

17

23

17

23

March

17

25

8

15

15

25

15

25

15

23

18

23

20

25

April

18

23

16

24

16

21

17

22

19

21

17

22

15

23

May

19

24

21

24

19

23

19

24

19

24

20

24

19

23

June

43

51

38

45

41

45

34

45

43

51

44

47

42

48

July

44

47

39

40

40

50

39

47

36

49

43

52

43

49

August

44

49

43

47

43

49

40

47

40

45

43

50

41

47

September

40

45

40

46

38

50

37

44

40

52

43

47

40

47

October

24

30

22

27

24

27

22

27

24

29

24

30

25

29

November

20

27

22

25

20

25

20

25

19

25

22

25

22

37

December

21

27

20

25

20

25

20

25

22

25

18

26

22

25