Average temperature over 48 years |
°F |
39 |
8 |
12 |
24 |
39 |
51 |
60 |
66 |
64 |
53 |
44 |
28 |
14 |
Average high temperature over 48 years |
°F |
48 |
16 |
21 |
32 |
48 |
62 |
71 |
75 |
73 |
64 |
53 |
35 |
21 |
Average low temperature over 48 years |
°F |
28 |
0 |
3 |
15 |
28 |
39 |
48 |
53 |
53 |
44 |
35 |
21 |
6 |
Highest recorded temperature over 48 years |
°F |
96 |
46 |
55 |
71 |
87 |
89 |
93 |
96 |
95 |
95 |
86 |
69 |
55 |
Lowest recorded temperature over 48 years |
°F |
-38 |
-38 |
-32 |
-29 |
-5 |
17 |
26 |
35 |
32 |
23 |
8 |
-23 |
-34 |
Average number of rainy days over 52 years |
days |
134 |
12 |
10 |
11 |
11 |
12 |
13 |
11 |
11 |
12 |
9 |
11 |
12 |
Average number of days above 90°F over 48 years |
days |
2 |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
Average precipitation over 48 years |
in |
30.6 |
1.2 |
0.8 |
1.8 |
2.4 |
3.2 |
4.1 |
4.0 |
3.9 |
3.6 |
2.4 |
1.9 |
1.3 |
Average dew point over 48 years |
°F |
28 |
1 |
5 |
15 |
26 |
37 |
48 |
55 |
53 |
46 |
34 |
21 |
8 |
Most recorded rainfall over 48 years |
in |
43.4 |
4.7 |
2.4 |
5.1 |
5.8 |
7.7 |
8.0 |
8.5 |
10.3 |
9.4 |
7.5 |
5.0 |
3.7 |
Least recorded rainfall over 48 years |
in |
19.8 |
0.1 |
0.1 |
0.2 |
0.2 |
0.1 |
0.5 |
1.1 |
0.7 |
0.2 |
0.3 |
0.2 |
0.2 |
Average number of days with thunderstorms over 48 years |
days |
34 |
- |
- |
1 |
2 |
4 |
7 |
8 |
7 |
4 |
1 |
- |
- |
Average number of days with fog over 48 years |
days |
132 |
10 |
9 |
10 |
9 |
10 |
12 |
11 |
14 |
13 |
12 |
10 |
12 |
Average morning relative humidity over 48 years |
% |
81 |
77 |
77 |
79 |
77 |
76 |
82 |
86 |
89 |
89 |
83 |
82 |
80 |
Average evening relative humidity over 48 years |
% |
60 |
66 |
62 |
61 |
53 |
50 |
56 |
56 |
59 |
60 |
58 |
67 |
70 |
Average wind speed over 48 years |
mph |
12.0 |
13.0 |
12.0 |
14.0 |
14.0 |
12.0 |
10.0 |
10.0 |
9.0 |
11.0 |
12.0 |
13.0 |
12.0 |
Average number of days below 32°F over 48 years |
days |
186 |
31 |
28 |
29 |
21 |
6 |
- |
- |
- |
2 |
12 |
26 |
31 |
Average snowfall over 50 years |
in |
78.0 |
16.8 |
11.2 |
13.3 |
6.5 |
0.8 |
- |
- |
- |
0.1 |
1.4 |
12.5 |
15.4 |
Average number of days above 65°F over 48 years |
days |
113 |
- |
- |
- |
3 |
13 |
22 |
29 |
27 |
14 |
4 |
- |
- |
Average number of clear days over 45 years |
days |
77 |
7 |
7 |
7 |
6 |
6 |
5 |
7 |
7 |
6 |
7 |
4 |
6 |
Heating degree days over 30 years |
days |
9818 |
1798 |
1476 |
1259 |
792 |
445 |
170 |
60 |
113 |
329 |
660 |
1098 |
1618 |
Cooling degree days over 30 years |
days |
180 |
- |
- |
- |
- |
- |
14 |
94 |
72 |
- |
- |
- |
- |
Average possibility of sunshine over 43 years |
% |
52 |
48 |
53 |
54 |
55 |
57 |
58 |
65 |
60 |
51 |
46 |
35 |
39 |
Average number of cloudy days over 45 years |
days |
186 |
17 |
15 |
17 |
16 |
15 |
14 |
11 |
12 |
15 |
16 |
20 |
19 |
Average number of partly cloudy days over 45 years |
days |
102 |
7 |
6 |
7 |
8 |
10 |
11 |
13 |
12 |
9 |
8 |
6 |
6 |
Average number of days below 5°F over 48 years |
days |
62 |
20 |
15 |
8 |
- |
- |
- |
- |
- |
- |
- |
3 |
15 |