Average temperature over 47 years |
°F |
55 |
33 |
36 |
44 |
53 |
62 |
71 |
77 |
75 |
69 |
57 |
46 |
37 |
Average high temperature over 47 years |
°F |
64 |
41 |
43 |
51 |
62 |
71 |
80 |
84 |
82 |
77 |
66 |
55 |
44 |
Average low temperature over 47 years |
°F |
46 |
26 |
28 |
35 |
44 |
53 |
62 |
68 |
66 |
60 |
48 |
39 |
30 |
Highest recorded temperature over 47 years |
°F |
102 |
71 |
75 |
87 |
89 |
96 |
100 |
102 |
100 |
96 |
91 |
82 |
73 |
Lowest recorded temperature over 47 years |
°F |
-5 |
-5 |
- |
8 |
21 |
33 |
43 |
51 |
48 |
39 |
24 |
14 |
-4 |
Average number of rainy days over 47 years |
days |
113 |
11 |
9 |
11 |
10 |
11 |
9 |
9 |
9 |
8 |
7 |
9 |
10 |
Average precipitation over 47 years |
in |
42.7 |
3.1 |
3.0 |
3.9 |
3.3 |
3.6 |
3.4 |
4.2 |
4.5 |
3.6 |
3.0 |
3.4 |
3.6 |
Average dew point over 10 years |
°F |
44 |
21 |
24 |
31 |
39 |
51 |
60 |
66 |
66 |
57 |
48 |
37 |
26 |
Average number of days with thunderstorms over 47 years |
days |
34 |
1 |
1 |
1 |
3 |
5 |
5 |
7 |
6 |
2 |
1 |
1 |
1 |
Average number of days with fog over 47 years |
days |
183 |
13 |
12 |
13 |
13 |
16 |
16 |
18 |
21 |
18 |
16 |
14 |
13 |
Average morning relative humidity over 10 years |
% |
75.7 |
69.7 |
70.5 |
70.6 |
72.3 |
76.5 |
76.8 |
79.8 |
82.2 |
82.6 |
80.8 |
76.3 |
69.6 |
Average evening relative humidity over 10 years |
% |
57.4 |
57.3 |
56.2 |
52.8 |
56.1 |
58.7 |
56.8 |
58.9 |
61.2 |
59 |
57.2 |
57.9 |
56.5 |
Average wind speed over 12 years |
mph |
11.0 |
8.0 |
9.0 |
8.0 |
6.0 |
5.0 |
5.0 |
4.0 |
5.0 |
5.0 |
6.0 |
8.0 |
6.0 |
Average snowfall over 42 years |
in |
17.1 |
5.5 |
6.2 |
2.1 |
0.2 |
- |
- |
- |
- |
- |
- |
0.6 |
2.2 |
Most rain reported in a day over 47 years |
in |
9.0 |
2.2 |
2.7 |
2.7 |
2.6 |
3.0 |
3.7 |
5.4 |
9.0 |
3.5 |
4.1 |
5.7 |
2.8 |
Most rain reported in a month over 47 years |
in |
72.8 |
8.2 |
7.5 |
7.5 |
7.1 |
8.1 |
15.3 |
12.6 |
16.6 |
8.2 |
6.9 |
8.6 |
8.2 |
Least rain reported in a month over 47 years |
in |
22.8 |
0.3 |
1.1 |
1.1 |
0.4 |
0.6 |
0.7 |
0.8 |
0.9 |
0.4 |
- |
0.3 |
0.5 |
Heating degree days over 49 years |
days |
4535 |
963 |
810 |
656 |
350 |
117 |
10 |
- |
1 |
38 |
242 |
514 |
834 |
Cooling degree days over 49 years |
days |
1214 |
- |
- |
2 |
13 |
74 |
238 |
374 |
331 |
157 |
23 |
2 |
- |
Average number of days below 10°F over 47 years |
days |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 80°F over 12 years |
days |
47 |
- |
1 |
2 |
6 |
17 |
25 |
22 |
11 |
2 |
- |
- |
86 |
Most snow reported in a month over 42 years |
in |
53.6 |
21.5 |
33.9 |
20.2 |
2.2 |
- |
- |
- |
- |
- |
- |
9.0 |
13.6 |
Average possibility of clouds over 10 years |
% |
54 |
58.5 |
60 |
55.3 |
57.4 |
57 |
51.3 |
53.6 |
49.8 |
47.7 |
46.9 |
53.3 |
57.7 |
Average number of snowy days over 42 years |
days |
11 |
4 |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
1 |
1 |
Average number of days below 33°F over 47 years |
days |
86 |
24 |
20 |
12 |
2 |
- |
- |
- |
- |
- |
1 |
8 |
19 |
Most snow reported in a day over 42 years |
in |
64.3 |
17.9 |
8.2 |
2.2 |
- |
- |
- |
- |
- |
- |
9.0 |
9.1 |
17.9 |
Deepest snow cover reported over 42 years |
in |
26.0 |
18.0 |
26.0 |
12.0 |
1.0 |
- |
- |
- |
- |
- |
- |
5.0 |
12.0 |
Average wet bulb point over 10 years |
°F |
50 |
30 |
33 |
39 |
46 |
57 |
64 |
69 |
69 |
62 |
53 |
44 |
34 |