Average temperature over 87 years |
°F |
55 |
30 |
34 |
44 |
55 |
66 |
75 |
80 |
78 |
71 |
60 |
44 |
34 |
Average high temperature over 87 years |
°F |
64 |
39 |
43 |
53 |
66 |
75 |
84 |
89 |
87 |
80 |
69 |
53 |
42 |
Average low temperature over 87 years |
°F |
46 |
21 |
24 |
34 |
46 |
55 |
66 |
71 |
69 |
60 |
48 |
36 |
26 |
Highest recorded temperature over 87 years |
°F |
113 |
75 |
80 |
91 |
95 |
102 |
107 |
111 |
113 |
109 |
98 |
82 |
73 |
Lowest recorded temperature over 87 years |
°F |
-20 |
-20 |
-20 |
-2 |
16 |
26 |
44 |
51 |
46 |
34 |
17 |
5 |
-18 |
Average number of rainy days over 21 years |
days |
106 |
7 |
7 |
10 |
11 |
11 |
10 |
9 |
9 |
9 |
8 |
8 |
8 |
Average number of days above 90°F over 87 years |
days |
45 |
- |
- |
- |
- |
1 |
8 |
16 |
14 |
5 |
- |
- |
- |
Average precipitation over 87 years |
in |
36.0 |
1.3 |
1.3 |
2.5 |
3.3 |
4.5 |
4.8 |
3.7 |
3.9 |
4.3 |
3.0 |
1.9 |
1.5 |
Average dew point over 38 years |
°F |
43 |
17 |
23 |
28 |
41 |
53 |
62 |
66 |
64 |
55 |
44 |
32 |
24 |
Average number of days above 70°F over 87 years |
days |
175 |
- |
1 |
5 |
12 |
23 |
29 |
31 |
31 |
26 |
16 |
3 |
- |
Most recorded rainfall over 87 years |
in |
60.3 |
5.5 |
6.8 |
6.7 |
10.6 |
11.0 |
11.0 |
11.4 |
11.6 |
16.2 |
11.9 |
9.5 |
4.1 |
Least recorded rainfall over 87 years |
in |
19.2 |
- |
- |
0.1 |
0.5 |
0.7 |
0.3 |
0.4 |
0.3 |
0.2 |
0.2 |
- |
- |
Average number of days with thunderstorms over 75 years |
days |
52 |
- |
1 |
3 |
5 |
8 |
9 |
8 |
8 |
6 |
3 |
1 |
- |
Average number of days with fog over 75 years |
days |
71 |
8 |
7 |
6 |
5 |
6 |
4 |
4 |
4 |
6 |
7 |
6 |
8 |
Average morning relative humidity over 38 years |
% |
76 |
74 |
74 |
73 |
73 |
77 |
79 |
78 |
79 |
80 |
75 |
74 |
75 |
Average evening relative humidity over 38 years |
% |
51 |
57 |
55 |
49 |
47 |
49 |
51 |
49 |
49 |
48 |
46 |
51 |
57 |
Average wind speed over 38 years |
mph |
11.0 |
10.0 |
10.0 |
12.0 |
13.0 |
12.0 |
11.0 |
11.0 |
10.0 |
11.0 |
11.0 |
11.0 |
10.0 |
Average number of days below 32°F over 87 years |
days |
97 |
26 |
21 |
14 |
2 |
- |
- |
- |
- |
- |
1 |
11 |
23 |
Average snowfall over 59 years |
in |
20.2 |
5.8 |
4.5 |
3.6 |
0.8 |
- |
- |
- |
- |
- |
- |
1.1 |
4.4 |
Average number of clear days over 21 years |
days |
121 |
10 |
8 |
7 |
9 |
8 |
10 |
13 |
13 |
12 |
13 |
9 |
10 |
Heating degree days over 30 years |
days |
5393 |
1218 |
946 |
691 |
325 |
135 |
7 |
- |
6 |
56 |
279 |
657 |
1073 |
Cooling degree days over 30 years |
days |
1288 |
- |
- |
- |
10 |
107 |
253 |
419 |
350 |
131 |
18 |
- |
- |
Average possibility of sunshine over 21 years |
% |
61 |
59 |
55 |
58 |
63 |
62 |
67 |
72 |
67 |
66 |
61 |
49 |
50 |
Average number of cloudy days over 21 years |
days |
149 |
15 |
14 |
16 |
14 |
14 |
10 |
8 |
8 |
10 |
11 |
14 |
15 |
Average number of partly cloudy days over 21 years |
days |
96 |
6 |
6 |
8 |
7 |
9 |
10 |
10 |
10 |
8 |
7 |
7 |
6 |
Average number of days below 10°F over 87 years |
days |
14 |
6 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |