Average temperature over 48 years |
°F |
62 |
39 |
44 |
53 |
62 |
71 |
78 |
82 |
80 |
73 |
62 |
51 |
44 |
Average high temperature over 48 years |
°F |
73 |
50 |
55 |
62 |
73 |
80 |
89 |
91 |
91 |
84 |
75 |
62 |
53 |
Average low temperature over 48 years |
°F |
51 |
31 |
34 |
42 |
51 |
60 |
68 |
71 |
69 |
62 |
51 |
41 |
34 |
Highest recorded temperature over 48 years |
°F |
111 |
82 |
84 |
91 |
95 |
98 |
105 |
111 |
107 |
102 |
96 |
86 |
80 |
Lowest recorded temperature over 48 years |
°F |
-5 |
-4 |
-5 |
17 |
28 |
39 |
46 |
53 |
51 |
37 |
28 |
17 |
0 |
Average number of rainy days over 51 years |
days |
105 |
10 |
9 |
10 |
10 |
10 |
8 |
8 |
7 |
7 |
7 |
8 |
9 |
Average number of days above 90°F over 48 years |
days |
73 |
- |
- |
- |
- |
4 |
16 |
22 |
20 |
9 |
1 |
- |
- |
Average precipitation over 48 years |
in |
50.5 |
4.1 |
4.0 |
4.8 |
5.3 |
5.2 |
3.6 |
3.5 |
3.2 |
3.8 |
3.6 |
4.9 |
4.4 |
Average dew point over 48 years |
°F |
51 |
30 |
33 |
39 |
48 |
59 |
66 |
69 |
69 |
62 |
51 |
41 |
33 |
Average number of days above 70°F over 48 years |
days |
219 |
2 |
3 |
10 |
20 |
29 |
30 |
31 |
31 |
29 |
23 |
9 |
2 |
Most recorded rainfall over 48 years |
in |
74.4 |
12.5 |
11.0 |
10.4 |
14.2 |
12.7 |
7.8 |
7.9 |
14.5 |
10.2 |
15.3 |
13.1 |
16.5 |
Least recorded rainfall over 48 years |
in |
28.3 |
0.5 |
0.9 |
0.7 |
0.5 |
0.7 |
- |
0.1 |
- |
0.3 |
0.1 |
0.3 |
1.3 |
Average number of days with thunderstorms over 48 years |
days |
58 |
2 |
2 |
5 |
6 |
7 |
8 |
9 |
7 |
4 |
3 |
3 |
2 |
Average number of days with fog over 48 years |
days |
150 |
14 |
12 |
11 |
10 |
13 |
11 |
12 |
14 |
15 |
13 |
12 |
13 |
Average morning relative humidity over 47 years |
% |
84 |
80 |
80 |
78 |
82 |
87 |
87 |
88 |
88 |
88 |
86 |
82 |
81 |
Average evening relative humidity over 47 years |
% |
53 |
58 |
53 |
50 |
51 |
54 |
53 |
54 |
52 |
52 |
48 |
52 |
57 |
Average wind speed over 48 years |
mph |
8.0 |
8.0 |
10.0 |
9.0 |
9.0 |
9.0 |
8.0 |
8.0 |
8.0 |
8.0 |
6.0 |
9.0 |
8.0 |
Average number of days below 32°F over 48 years |
days |
56 |
19 |
12 |
5 |
- |
- |
- |
- |
- |
- |
- |
6 |
15 |
Average snowfall over 51 years |
in |
5.1 |
2.3 |
1.4 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
0.2 |
0.7 |
Average number of clear days over 35 years |
days |
119 |
9 |
9 |
9 |
9 |
8 |
9 |
9 |
12 |
11 |
14 |
11 |
9 |
Heating degree days over 30 years |
days |
3155 |
803 |
599 |
384 |
133 |
25 |
- |
- |
- |
8 |
128 |
387 |
688 |
Cooling degree days over 30 years |
days |
2005 |
- |
- |
15 |
46 |
187 |
402 |
524 |
484 |
281 |
66 |
- |
- |
Average possibility of sunshine over 32 years |
% |
62 |
46 |
54 |
57 |
62 |
68 |
73 |
71 |
73 |
68 |
69 |
56 |
48 |
Average number of cloudy days over 35 years |
days |
147 |
16 |
13 |
15 |
14 |
12 |
9 |
9 |
8 |
10 |
10 |
13 |
16 |
Average number of partly cloudy days over 35 years |
days |
100 |
6 |
6 |
7 |
7 |
11 |
12 |
13 |
11 |
9 |
7 |
6 |
6 |
Average number of days below 10°F over 48 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |