Average temperature over 34 years |
°F |
53 |
33 |
34 |
41 |
51 |
60 |
69 |
75 |
75 |
68 |
57 |
48 |
37 |
Average high temperature over 34 years |
°F |
60 |
39 |
39 |
48 |
57 |
68 |
77 |
82 |
82 |
75 |
64 |
53 |
43 |
Average low temperature over 34 years |
°F |
46 |
26 |
26 |
34 |
43 |
53 |
62 |
68 |
66 |
60 |
48 |
41 |
31 |
Highest recorded temperature over 34 years |
°F |
104 |
69 |
68 |
84 |
89 |
98 |
98 |
104 |
100 |
98 |
84 |
77 |
69 |
Lowest recorded temperature over 34 years |
°F |
-2 |
-2 |
- |
6 |
19 |
34 |
44 |
55 |
46 |
41 |
30 |
19 |
1 |
Average number of rainy days over 35 years |
days |
118 |
10 |
10 |
11 |
11 |
11 |
10 |
9 |
9 |
9 |
8 |
10 |
11 |
Average number of days above 90°F over 34 years |
days |
10 |
- |
- |
- |
- |
- |
2 |
4 |
3 |
1 |
- |
- |
- |
Average precipitation over 34 years |
in |
40.8 |
3.3 |
2.9 |
3.5 |
3.7 |
3.9 |
3.1 |
3.7 |
3.6 |
3.3 |
2.9 |
3.4 |
3.6 |
Average dew point over 48 years |
°F |
42 |
21 |
21 |
28 |
37 |
48 |
57 |
64 |
62 |
57 |
46 |
36 |
26 |
Most recorded rainfall over 34 years |
in |
59.1 |
8.3 |
4.9 |
8.2 |
9.5 |
10.7 |
8.1 |
8.5 |
8.3 |
9.6 |
6.6 |
9.5 |
6.7 |
Least recorded rainfall over 34 years |
in |
25.4 |
0.5 |
1.0 |
0.9 |
1.4 |
0.6 |
- |
0.5 |
0.2 |
1.0 |
0.9 |
0.3 |
0.6 |
Average number of days with thunderstorms over 34 years |
days |
24 |
- |
- |
1 |
2 |
3 |
4 |
5 |
5 |
2 |
1 |
1 |
- |
Average number of days with fog over 34 years |
days |
133 |
10 |
9 |
11 |
11 |
13 |
12 |
13 |
12 |
11 |
10 |
11 |
10 |
Average morning relative humidity over 47 years |
% |
74 |
71 |
71 |
71 |
70 |
73 |
74 |
75 |
78 |
79 |
78 |
76 |
73 |
Average evening relative humidity over 48 years |
% |
61 |
61 |
59 |
57 |
58 |
61 |
63 |
63 |
63 |
62 |
60 |
61 |
62 |
Average wind speed over 48 years |
mph |
13.0 |
16.0 |
17.0 |
17.0 |
12.0 |
12.0 |
11.0 |
11.0 |
11.0 |
11.0 |
10.0 |
14.0 |
16.0 |
Average number of days below 32°F over 34 years |
days |
78 |
23 |
20 |
12 |
1 |
- |
- |
- |
- |
- |
- |
4 |
17 |
Average snowfall over 35 years |
in |
22.7 |
7.0 |
7.6 |
3.9 |
0.4 |
- |
- |
- |
- |
- |
- |
0.3 |
3.5 |
Average number of days above 65°F over 34 years |
days |
165 |
- |
- |
1 |
6 |
20 |
29 |
31 |
31 |
28 |
15 |
3 |
- |
Average number of clear days over 35 years |
days |
98 |
8 |
8 |
8 |
8 |
7 |
7 |
8 |
8 |
10 |
11 |
8 |
8 |
Heating degree days over 30 years |
days |
5027 |
1048 |
899 |
744 |
435 |
178 |
9 |
- |
- |
39 |
261 |
534 |
880 |
Cooling degree days over 30 years |
days |
921 |
- |
- |
- |
- |
23 |
141 |
326 |
301 |
117 |
13 |
- |
- |
Average number of cloudy days over 35 years |
days |
151 |
15 |
13 |
14 |
13 |
13 |
12 |
11 |
10 |
11 |
11 |
14 |
15 |
Average number of partly cloudy days over 35 years |
days |
116 |
8 |
7 |
9 |
9 |
11 |
11 |
12 |
13 |
9 |
9 |
8 |
8 |
Average number of days below 5°F over 34 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |