Average temperature over 48 years |
°F |
69 |
53 |
55 |
62 |
69 |
75 |
80 |
82 |
82 |
78 |
69 |
60 |
55 |
Average high temperature over 48 years |
°F |
78 |
62 |
64 |
71 |
78 |
84 |
89 |
91 |
89 |
87 |
80 |
71 |
64 |
Average low temperature over 48 years |
°F |
59 |
43 |
46 |
51 |
57 |
66 |
71 |
73 |
73 |
69 |
60 |
50 |
44 |
Highest recorded temperature over 48 years |
°F |
102 |
82 |
84 |
89 |
91 |
96 |
100 |
100 |
102 |
100 |
91 |
87 |
84 |
Lowest recorded temperature over 48 years |
°F |
10 |
14 |
19 |
24 |
32 |
41 |
50 |
60 |
60 |
42 |
35 |
24 |
10 |
Average number of rainy days over 45 years |
days |
114 |
10 |
9 |
9 |
7 |
8 |
11 |
14 |
13 |
10 |
6 |
7 |
10 |
Average number of days above 90°F over 48 years |
days |
71 |
- |
- |
- |
- |
4 |
16 |
21 |
20 |
9 |
1 |
- |
- |
Average precipitation over 48 years |
in |
61.6 |
5.1 |
5.5 |
5.3 |
4.8 |
4.9 |
5.6 |
6.6 |
5.9 |
5.4 |
2.8 |
4.5 |
5.3 |
Average dew point over 48 years |
°F |
60 |
44 |
46 |
51 |
59 |
66 |
71 |
73 |
73 |
69 |
60 |
51 |
46 |
Most recorded rainfall over 48 years |
in |
102.0 |
19.3 |
12.6 |
19.1 |
16.1 |
21.2 |
15.0 |
13.1 |
16.1 |
16.7 |
13.2 |
19.8 |
10.8 |
Least recorded rainfall over 48 years |
in |
39.0 |
0.5 |
0.1 |
0.2 |
0.3 |
0.9 |
0.2 |
1.9 |
1.7 |
0.2 |
- |
0.2 |
1.5 |
Average number of days with thunderstorms over 48 years |
days |
72 |
2 |
3 |
4 |
5 |
6 |
10 |
16 |
13 |
7 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
173 |
17 |
14 |
16 |
16 |
16 |
11 |
12 |
12 |
12 |
15 |
15 |
17 |
Average morning relative humidity over 48 years |
% |
88 |
85 |
84 |
85 |
88 |
89 |
90 |
92 |
92 |
89 |
88 |
86 |
86 |
Average evening relative humidity over 48 years |
% |
60 |
63 |
59 |
57 |
57 |
58 |
61 |
66 |
65 |
63 |
56 |
59 |
62 |
Average wind speed over 48 years |
mph |
10.0 |
11.0 |
11.0 |
11.0 |
11.0 |
10.0 |
9.0 |
6.0 |
8.0 |
9.0 |
9.0 |
10.0 |
10.0 |
Average number of days below 32°F over 48 years |
days |
13 |
5 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 45 years |
days |
101 |
7 |
8 |
8 |
8 |
9 |
8 |
4 |
7 |
9 |
15 |
10 |
8 |
Heating degree days over 30 years |
days |
1513 |
450 |
316 |
162 |
28 |
- |
- |
- |
- |
- |
30 |
178 |
349 |
Cooling degree days over 30 years |
days |
2655 |
25 |
17 |
56 |
133 |
304 |
450 |
524 |
512 |
393 |
157 |
61 |
23 |
Average possibility of sunshine over 20 years |
% |
58 |
46 |
51 |
58 |
63 |
64 |
64 |
60 |
61 |
61 |
66 |
55 |
48 |
Average number of cloudy days over 45 years |
days |
146 |
17 |
14 |
15 |
12 |
11 |
9 |
12 |
10 |
10 |
8 |
12 |
16 |
Average number of partly cloudy days over 45 years |
days |
118 |
7 |
6 |
8 |
10 |
11 |
13 |
15 |
14 |
11 |
8 |
8 |
7 |
Average number of days above 80°F over 48 years |
days |
192 |
1 |
1 |
6 |
15 |
27 |
30 |
31 |
31 |
28 |
17 |
5 |
2 |
Average number of days below 45°F over 48 years |
days |
71 |
19 |
14 |
9 |
2 |
- |
- |
- |
- |
- |
2 |
10 |
16 |