Average temperature over 45 years |
°F |
55 |
33 |
36 |
44 |
53 |
64 |
73 |
78 |
75 |
69 |
57 |
46 |
37 |
Average high temperature over 45 years |
°F |
64 |
41 |
44 |
53 |
64 |
73 |
82 |
87 |
84 |
78 |
68 |
55 |
44 |
Average low temperature over 45 years |
°F |
44 |
24 |
26 |
34 |
43 |
53 |
62 |
66 |
66 |
57 |
46 |
37 |
28 |
Highest recorded temperature over 45 years |
°F |
105 |
75 |
78 |
87 |
93 |
98 |
100 |
104 |
105 |
100 |
91 |
86 |
77 |
Lowest recorded temperature over 45 years |
°F |
-7 |
-7 |
-2 |
6 |
19 |
32 |
39 |
50 |
44 |
35 |
24 |
12 |
- |
Average number of rainy days over 43 years |
days |
113 |
10 |
9 |
11 |
11 |
11 |
9 |
9 |
9 |
8 |
7 |
9 |
9 |
Average number of days above 90°F over 45 years |
days |
32 |
- |
- |
- |
- |
2 |
6 |
12 |
8 |
3 |
- |
- |
- |
Average precipitation over 45 years |
in |
40.9 |
3.0 |
3.0 |
3.8 |
3.1 |
3.6 |
3.5 |
3.8 |
4.0 |
3.5 |
3.0 |
3.2 |
3.3 |
Average dew point over 47 years |
°F |
43 |
21 |
23 |
28 |
39 |
51 |
60 |
64 |
64 |
57 |
46 |
35 |
26 |
Average number of days above 70°F over 45 years |
days |
167 |
- |
1 |
3 |
9 |
22 |
29 |
31 |
31 |
26 |
13 |
3 |
- |
Most recorded rainfall over 45 years |
in |
59.0 |
7.8 |
7.2 |
8.6 |
8.1 |
8.7 |
9.9 |
8.2 |
18.3 |
8.6 |
8.1 |
7.7 |
7.4 |
Least recorded rainfall over 45 years |
in |
27.9 |
0.3 |
0.4 |
0.9 |
0.4 |
0.4 |
0.1 |
0.3 |
0.8 |
0.2 |
- |
0.3 |
0.2 |
Average number of days with thunderstorms over 45 years |
days |
26 |
- |
- |
1 |
2 |
4 |
5 |
6 |
5 |
2 |
1 |
- |
- |
Average number of days with fog over 45 years |
days |
148 |
11 |
10 |
12 |
10 |
14 |
13 |
14 |
15 |
14 |
13 |
11 |
11 |
Average morning relative humidity over 47 years |
% |
77 |
72 |
71 |
72 |
72 |
77 |
79 |
80 |
83 |
85 |
83 |
78 |
74 |
Average evening relative humidity over 47 years |
% |
53 |
56 |
52 |
49 |
47 |
52 |
53 |
53 |
55 |
55 |
54 |
55 |
57 |
Average wind speed over 47 years |
mph |
10.0 |
12.0 |
13.0 |
13.0 |
12.0 |
9.0 |
8.0 |
8.0 |
6.0 |
6.0 |
8.0 |
11.0 |
12.0 |
Average number of days below 32°F over 45 years |
days |
97 |
25 |
21 |
14 |
3 |
- |
- |
- |
- |
- |
2 |
11 |
21 |
Average snowfall over 43 years |
in |
20.8 |
5.9 |
6.5 |
3.8 |
0.1 |
- |
- |
- |
- |
- |
- |
1.0 |
3.5 |
Average number of clear days over 43 years |
days |
105 |
8 |
8 |
8 |
8 |
8 |
8 |
9 |
9 |
11 |
12 |
9 |
8 |
Heating degree days over 30 years |
days |
4707 |
1029 |
846 |
648 |
348 |
108 |
- |
- |
- |
29 |
276 |
546 |
877 |
Cooling degree days over 30 years |
days |
1137 |
- |
- |
- |
- |
59 |
227 |
372 |
329 |
134 |
16 |
- |
- |
Average possibility of sunshine over 40 years |
% |
57 |
51 |
55 |
56 |
56 |
56 |
62 |
64 |
62 |
60 |
58 |
51 |
49 |
Average number of cloudy days over 43 years |
days |
151 |
15 |
13 |
14 |
13 |
13 |
10 |
10 |
11 |
11 |
11 |
13 |
16 |
Average number of partly cloudy days over 43 years |
days |
109 |
8 |
7 |
9 |
9 |
10 |
12 |
12 |
11 |
8 |
8 |
8 |
7 |
Average number of days below 10°F over 45 years |
days |
5 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |