Average temperature over 50 years |
°F |
48 |
24 |
24 |
34 |
46 |
57 |
66 |
71 |
69 |
62 |
51 |
41 |
28 |
Average high temperature over 50 years |
°F |
57 |
31 |
33 |
42 |
55 |
68 |
77 |
82 |
80 |
71 |
60 |
48 |
36 |
Average low temperature over 50 years |
°F |
37 |
15 |
16 |
24 |
36 |
46 |
55 |
60 |
59 |
51 |
41 |
33 |
21 |
Highest recorded temperature over 50 years |
°F |
98 |
69 |
69 |
87 |
91 |
96 |
98 |
96 |
98 |
96 |
87 |
80 |
69 |
Lowest recorded temperature over 50 years |
°F |
-25 |
-25 |
-25 |
-16 |
8 |
24 |
35 |
44 |
39 |
24 |
19 |
5 |
-22 |
Average number of rainy days over 44 years |
days |
171 |
19 |
16 |
17 |
14 |
13 |
11 |
11 |
11 |
11 |
12 |
16 |
19 |
Average number of days above 90°F over 50 years |
days |
9 |
- |
- |
- |
- |
- |
2 |
4 |
2 |
1 |
- |
- |
- |
Average precipitation over 50 years |
in |
38.5 |
2.6 |
2.4 |
3.0 |
3.3 |
3.2 |
3.4 |
3.6 |
3.6 |
3.5 |
3.2 |
3.5 |
3.1 |
Average dew point over 51 years |
°F |
37 |
16 |
17 |
24 |
34 |
44 |
55 |
60 |
59 |
53 |
42 |
32 |
21 |
Most recorded rainfall over 50 years |
in |
57.9 |
5.8 |
5.4 |
6.8 |
8.1 |
7.4 |
12.3 |
9.5 |
8.4 |
8.8 |
8.3 |
6.8 |
5.5 |
Least recorded rainfall over 50 years |
in |
27.1 |
1.0 |
0.6 |
1.0 |
1.2 |
0.8 |
1.0 |
0.9 |
1.3 |
0.8 |
0.2 |
1.3 |
0.8 |
Average number of days with thunderstorms over 50 years |
days |
27 |
- |
- |
1 |
2 |
3 |
5 |
6 |
5 |
3 |
1 |
1 |
- |
Average number of days with fog over 50 years |
days |
136 |
10 |
9 |
11 |
10 |
11 |
11 |
12 |
13 |
14 |
12 |
12 |
11 |
Average morning relative humidity over 51 years |
% |
80 |
77 |
78 |
78 |
76 |
76 |
77 |
79 |
85 |
86 |
84 |
80 |
79 |
Average evening relative humidity over 51 years |
% |
60 |
69 |
67 |
60 |
52 |
53 |
54 |
54 |
57 |
60 |
60 |
68 |
72 |
Average wind speed over 51 years |
mph |
11.0 |
14.0 |
13.0 |
13.0 |
13.0 |
11.0 |
11.0 |
9.0 |
9.0 |
9.0 |
10.0 |
12.0 |
13.0 |
Average number of days below 32°F over 50 years |
days |
137 |
29 |
26 |
24 |
11 |
1 |
- |
- |
- |
- |
4 |
15 |
27 |
Average number of days below 0°F over 30 years |
days |
8.2 |
3.6 |
2.7 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
- |
1.4 |
Average snowfall over 44 years |
in |
114.0 |
29.6 |
26.2 |
17.4 |
4.0 |
0.1 |
- |
- |
- |
- |
0.6 |
9.3 |
26.8 |
Average number of days above 65°F over 50 years |
days |
156 |
- |
- |
2 |
8 |
20 |
28 |
31 |
30 |
24 |
12 |
2 |
- |
Average number of clear days over 44 years |
days |
63 |
3 |
3 |
5 |
6 |
6 |
7 |
8 |
7 |
7 |
6 |
2 |
2 |
Most rain reported in a day over 75 years |
in |
4.8 |
2.3 |
2.3 |
1.5 |
2.4 |
2.4 |
4.8 |
3.9 |
3.3 |
2.5 |
3.6 |
3.6 |
2.4 |
Most rain reported in a month over 75 years |
in |
58.3 |
6.3 |
5.4 |
6.9 |
8.1 |
7.4 |
15.9 |
9.5 |
8.4 |
8.8 |
8.3 |
7.8 |
6.6 |
Least rain reported in a month over 75 years |
in |
27.0 |
1.0 |
0.7 |
0.7 |
1.2 |
0.6 |
0.6 |
0.3 |
1.2 |
0.5 |
0.2 |
1.2 |
0.9 |
Heating degree days over 30 years |
days |
6834 |
1321 |
1148 |
964 |
579 |
268 |
61 |
10 |
28 |
139 |
443 |
735 |
1138 |
Cooling degree days over 30 years |
days |
438 |
- |
- |
- |
- |
23 |
70 |
178 |
133 |
34 |
- |
- |
- |
Average possibility of sunshine over 44 years |
% |
46 |
34 |
39 |
46 |
50 |
55 |
59 |
64 |
59 |
53 |
44 |
26 |
26 |
Average number of cloudy days over 44 years |
days |
205 |
22 |
19 |
19 |
17 |
15 |
12 |
11 |
13 |
13 |
17 |
22 |
24 |
Average number of partly cloudy days over 44 years |
days |
98 |
6 |
6 |
7 |
7 |
10 |
11 |
12 |
11 |
10 |
8 |
6 |
5 |
Most snow reported in a month over 75 years |
in |
207.9 |
72.2 |
72.6 |
54.4 |
16.4 |
2.1 |
- |
- |
- |
- |
5.7 |
34.2 |
64.6 |