March

February

January

December

November

October

September

August

July

June

May

April

61.9

52

47.3

51.1

63.1

77.4

90.2

98.2

99.9

95.4

84.9

75

Average maximum temperature (in Fahrenheit)

42.4

34

31.3

34.7

44.2

56.3

67.8

75.4

77.7

72.7

62.8

53.4

Average minimum temperature (in Fahrenheit)

23

40

48

47

37

28

21

21

20

19

24

26

Average relative humidity

64

70

77

75

61

50

39

38

38

38

48

54

Average maximum relative humidity

2.7

2

1.2

1.2

1.7

2.6

3.1

3.1

3.7

3.7

3.7

3.4

Average wind speed during the day

1.8

1.4

0.8

0.8

1.1

1.8

2.1

2.1

2.5

2.5

2.5

2.3

Average wind speed during the night

11

10

9

10

11

12

13

14

14.5

14

13

12

Sunny daylight

208.3

182.8

171.6

169.1

202.6

360.7

305

336.9

338.6

337.7

284.7

228.6

Total sunny hours per month

6.9

6

5.7

5.6

6.7

1.2

9.8

10.8

10.9

10.8

9.4

7.3

Average daily sunny hours