Average temperature over 48 years |
°F |
26 |
6 |
6 |
12 |
23 |
35 |
44 |
48 |
48 |
41 |
31 |
21 |
10 |
Average high temperature over 48 years |
°F |
34 |
14 |
14 |
19 |
28 |
41 |
50 |
53 |
53 |
46 |
37 |
26 |
17 |
Average low temperature over 48 years |
°F |
19 |
-2 |
-2 |
5 |
16 |
28 |
37 |
43 |
42 |
35 |
24 |
14 |
1 |
Highest recorded temperature over 48 years |
°F |
71 |
46 |
43 |
51 |
60 |
66 |
68 |
71 |
71 |
66 |
57 |
51 |
44 |
Lowest recorded temperature over 48 years |
°F |
-45 |
-45 |
-41 |
-38 |
-20 |
-2 |
12 |
24 |
19 |
8 |
-2 |
-20 |
-41 |
Average number of rainy days over 61 years |
days |
209 |
19 |
18 |
19 |
18 |
17 |
16 |
16 |
16 |
15 |
15 |
19 |
20 |
Average precipitation over 48 years |
in |
90.7 |
7.1 |
7.4 |
7.9 |
7.2 |
6.9 |
7.2 |
7.0 |
8.0 |
7.4 |
7.1 |
9.2 |
8.4 |
Most recorded rainfall over 48 years |
in |
130.0 |
18.2 |
25.6 |
16.0 |
15.2 |
18.8 |
16.0 |
15.5 |
20.7 |
15.5 |
21.3 |
19.6 |
17.9 |
Least recorded rainfall over 48 years |
in |
56.2 |
1.3 |
1.0 |
2.7 |
2.2 |
1.8 |
2.4 |
2.7 |
2.8 |
2.7 |
2.2 |
3.2 |
1.5 |
Average number of days with thunderstorms over 48 years |
days |
15 |
- |
- |
- |
1 |
2 |
3 |
4 |
3 |
1 |
1 |
- |
- |
Average number of days with fog over 48 years |
days |
326 |
29 |
25 |
28 |
26 |
25 |
26 |
29 |
29 |
27 |
26 |
27 |
29 |
Average morning relative humidity over 33 years |
% |
85 |
83 |
81 |
84 |
85 |
84 |
89 |
91 |
90 |
85 |
82 |
84 |
84 |
Average evening relative humidity over 33 years |
% |
84 |
83 |
83 |
84 |
84 |
81 |
84 |
87 |
87 |
85 |
81 |
84 |
84 |
Average wind speed over 58 years |
mph |
35.3 |
46.2 |
44.3 |
41.7 |
36.0 |
29.6 |
27.8 |
25.3 |
25.1 |
29.0 |
33.8 |
39.5 |
44.8 |
Average number of days below 32°F over 48 years |
days |
243 |
31 |
28 |
31 |
28 |
20 |
7 |
2 |
3 |
12 |
23 |
28 |
31 |
Average snowfall over 61 years |
in |
254.6 |
40.0 |
40.8 |
42.5 |
31.3 |
10.3 |
1.2 |
- |
0.2 |
1.9 |
12.0 |
31.7 |
42.7 |
Average number of clear days over 61 years |
days |
46 |
5 |
4 |
5 |
4 |
4 |
2 |
1 |
3 |
4 |
6 |
4 |
4 |
Heating degree days over 30 years |
days |
14015 |
1894 |
1680 |
1618 |
1278 |
936 |
639 |
518 |
564 |
741 |
1076 |
1332 |
1739 |
Average possibility of sunshine over 55 years |
% |
33 |
32 |
34 |
34 |
35 |
36 |
32 |
30 |
31 |
35 |
38 |
29 |
30 |
Average number of cloudy days over 61 years |
days |
246 |
21 |
19 |
21 |
20 |
20 |
21 |
22 |
20 |
19 |
19 |
21 |
22 |
Average number of partly cloudy days over 61 years |
days |
74 |
5 |
5 |
5 |
6 |
7 |
7 |
8 |
8 |
7 |
6 |
5 |
5 |
Average number of days below 45°F over 48 years |
days |
332 |
31 |
28 |
31 |
30 |
30 |
24 |
19 |
21 |
26 |
31 |
30 |
31 |