Average temperature over 62 years |
°F |
26 |
-4 |
3 |
12 |
30 |
46 |
57 |
60 |
55 |
44 |
24 |
6 |
-2 |
Average high temperature over 62 years |
°F |
36 |
3 |
11 |
23 |
40 |
57 |
66 |
69 |
64 |
52 |
31 |
13 |
4 |
Average low temperature over 62 years |
°F |
19 |
-11 |
-5 |
1 |
20 |
37 |
47 |
50 |
45 |
35 |
18 |
0 |
-9 |
Highest recorded temperature over 47 years |
°F |
91 |
48 |
48 |
57 |
71 |
86 |
91 |
91 |
89 |
78 |
66 |
51 |
55 |
Lowest recorded temperature over 47 years |
°F |
-61 |
-59 |
-52 |
-49 |
-27 |
- |
30 |
32 |
21 |
-2 |
-38 |
-47 |
-61 |
Average number of rainy days over 33 years |
days |
92 |
6 |
4 |
4 |
4 |
7 |
12 |
14 |
12 |
9 |
9 |
7 |
6 |
Average precipitation over 62 years |
in |
11.7 |
0.4 |
0.3 |
0.3 |
0.2 |
0.9 |
2.4 |
2.7 |
2.0 |
1.1 |
0.7 |
0.5 |
0.4 |
Average dew point over 23 years |
°F |
17 |
-9 |
-7 |
1 |
16 |
28 |
41 |
46 |
43 |
33 |
17 |
- |
-9 |
Average number of days above 70°F over 47 years |
days |
38 |
- |
- |
- |
- |
2 |
11 |
16 |
9 |
1 |
- |
- |
- |
Most recorded rainfall over 47 years |
in |
17.7 |
1.3 |
1.4 |
1.1 |
1.9 |
3.1 |
5.4 |
6.0 |
3.9 |
3.0 |
2.1 |
2.8 |
2.6 |
Least recorded rainfall over 47 years |
in |
6.0 |
- |
- |
- |
- |
- |
0.6 |
0.6 |
0.5 |
0.1 |
- |
- |
- |
Average number of days with thunderstorms over 34 years |
days |
4 |
- |
- |
- |
- |
- |
2 |
2 |
- |
- |
- |
- |
- |
Average number of days with fog over 34 years |
days |
66 |
9 |
7 |
5 |
3 |
2 |
2 |
3 |
4 |
6 |
9 |
8 |
8 |
Average morning relative humidity over 18 years |
% |
69 |
63 |
65 |
65 |
67 |
60 |
66 |
73 |
78 |
77 |
77 |
68 |
65 |
Average evening relative humidity over 20 years |
% |
56 |
62 |
60 |
52 |
47 |
38 |
45 |
50 |
52 |
55 |
69 |
69 |
66 |
Average wind speed over 23 years |
mph |
14.0 |
20.0 |
18.0 |
18.0 |
6.0 |
17.0 |
8.0 |
6.0 |
14.0 |
12.0 |
17.0 |
18.0 |
19.0 |
Average number of days above 60°F over 47 years |
days |
97 |
- |
- |
- |
1 |
12 |
24 |
28 |
23 |
8 |
- |
- |
- |
Average number of days below 32°F over 47 years |
days |
223 |
31 |
28 |
30 |
26 |
8 |
- |
- |
1 |
10 |
28 |
30 |
31 |
Average snowfall over 62 years |
in |
43.8 |
5.6 |
5.2 |
4.3 |
2.8 |
0.6 |
- |
- |
- |
1.6 |
9.2 |
8.5 |
5.8 |
Average number of clear days over 3 years |
days |
60 |
14 |
5 |
8 |
2 |
2 |
4 |
- |
2 |
5 |
4 |
7 |
7 |
Average snow cover over 62 years |
in |
4.0 |
8.0 |
10.0 |
9.0 |
4.0 |
- |
- |
- |
- |
- |
2.0 |
5.0 |
6.0 |
Heating degree days over 30 years |
days |
13535 |
2139 |
1758 |
1597 |
1038 |
564 |
250 |
158 |
307 |
618 |
1256 |
1785 |
2065 |
Cooling degree days over 30 years |
days |
18 |
- |
- |
- |
- |
- |
- |
9 |
9 |
- |
- |
- |
- |
Average number of cloudy days over 3 years |
days |
212 |
9 |
16 |
15 |
19 |
18 |
17 |
23 |
21 |
18 |
22 |
17 |
17 |
Average number of partly cloudy days over 3 years |
days |
93 |
8 |
7 |
8 |
9 |
11 |
9 |
8 |
8 |
7 |
5 |
6 |
7 |