Average temperature over 48 years |
°F |
53 |
26 |
31 |
41 |
51 |
62 |
71 |
75 |
73 |
66 |
55 |
43 |
32 |
Average high temperature over 48 years |
°F |
62 |
35 |
39 |
50 |
62 |
73 |
82 |
84 |
84 |
77 |
66 |
51 |
39 |
Average low temperature over 48 years |
°F |
43 |
19 |
21 |
31 |
42 |
51 |
60 |
64 |
62 |
55 |
44 |
33 |
24 |
Highest recorded temperature over 48 years |
°F |
104 |
71 |
71 |
84 |
89 |
93 |
102 |
104 |
102 |
100 |
89 |
80 |
73 |
Lowest recorded temperature over 48 years |
°F |
-27 |
-27 |
-20 |
-7 |
17 |
28 |
37 |
48 |
41 |
32 |
19 |
-2 |
-23 |
Average number of rainy days over 54 years |
days |
126 |
12 |
10 |
13 |
12 |
12 |
10 |
10 |
9 |
8 |
8 |
11 |
12 |
Average number of days above 90°F over 48 years |
days |
19 |
- |
- |
- |
- |
- |
4 |
7 |
5 |
2 |
- |
- |
- |
Average precipitation over 48 years |
in |
40.2 |
2.7 |
2.4 |
3.6 |
3.7 |
3.9 |
3.9 |
4.4 |
3.4 |
2.9 |
2.7 |
3.5 |
3.1 |
Average dew point over 48 years |
°F |
43 |
19 |
23 |
31 |
39 |
51 |
60 |
64 |
64 |
55 |
44 |
34 |
24 |
Average number of days above 70°F over 48 years |
days |
163 |
- |
- |
3 |
9 |
21 |
29 |
31 |
31 |
25 |
12 |
2 |
- |
Most recorded rainfall over 48 years |
in |
55.8 |
12.7 |
5.3 |
10.7 |
8.1 |
9.3 |
7.4 |
11.8 |
8.3 |
8.1 |
7.8 |
8.5 |
7.7 |
Least recorded rainfall over 48 years |
in |
27.9 |
0.4 |
0.4 |
0.9 |
1.0 |
1.1 |
0.4 |
1.2 |
0.7 |
0.2 |
0.2 |
0.8 |
0.4 |
Average number of days with thunderstorms over 48 years |
days |
43 |
1 |
1 |
3 |
5 |
6 |
7 |
8 |
6 |
3 |
2 |
1 |
- |
Average number of days with fog over 48 years |
days |
168 |
15 |
13 |
13 |
11 |
13 |
12 |
16 |
18 |
15 |
13 |
14 |
15 |
Average morning relative humidity over 48 years |
% |
82 |
81 |
81 |
79 |
77 |
80 |
80 |
84 |
88 |
87 |
85 |
83 |
83 |
Average evening relative humidity over 48 years |
% |
59 |
69 |
64 |
59 |
54 |
53 |
53 |
56 |
56 |
53 |
53 |
63 |
70 |
Average wind speed over 48 years |
mph |
10.0 |
11.0 |
12.0 |
13.0 |
12.0 |
10.0 |
9.0 |
8.0 |
8.0 |
9.0 |
10.0 |
11.0 |
11.0 |
Average number of days below 32°F over 48 years |
days |
117 |
27 |
23 |
18 |
5 |
- |
- |
- |
- |
- |
4 |
15 |
25 |
Average snowfall over 62 years |
in |
22.7 |
6.1 |
5.8 |
3.4 |
0.5 |
- |
- |
- |
- |
- |
0.2 |
1.8 |
4.9 |
Average number of clear days over 62 years |
days |
88 |
6 |
6 |
6 |
6 |
7 |
7 |
9 |
9 |
10 |
11 |
6 |
5 |
Heating degree days over 30 years |
days |
5615 |
1225 |
991 |
732 |
378 |
165 |
5 |
- |
6 |
58 |
338 |
660 |
1057 |
Cooling degree days over 30 years |
days |
1014 |
- |
- |
- |
- |
96 |
212 |
322 |
260 |
106 |
18 |
- |
- |
Average possibility of sunshine over 49 years |
% |
55 |
41 |
49 |
50 |
54 |
60 |
66 |
66 |
68 |
65 |
61 |
41 |
38 |
Average number of cloudy days over 62 years |
days |
179 |
19 |
16 |
18 |
17 |
15 |
12 |
10 |
10 |
11 |
12 |
17 |
20 |
Average number of partly cloudy days over 62 years |
days |
99 |
6 |
6 |
7 |
7 |
9 |
11 |
12 |
12 |
9 |
8 |
7 |
6 |
Average number of days below 10°F over 48 years |
days |
18 |
8 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
4 |