Average temperature over 47 years |
°F |
21 |
- |
-2 |
1 |
12 |
32 |
44 |
53 |
51 |
42 |
23 |
8 |
- |
Average high temperature over 47 years |
°F |
28 |
5 |
1 |
8 |
21 |
37 |
50 |
59 |
57 |
46 |
28 |
12 |
3 |
Average low temperature over 47 years |
°F |
15 |
-7 |
-11 |
-7 |
3 |
24 |
37 |
48 |
46 |
36 |
17 |
3 |
-7 |
Highest recorded temperature over 47 years |
°F |
84 |
39 |
39 |
39 |
48 |
69 |
84 |
84 |
80 |
69 |
51 |
37 |
37 |
Lowest recorded temperature over 47 years |
°F |
-52 |
-49 |
-52 |
-47 |
-31 |
-11 |
24 |
30 |
28 |
12 |
-18 |
-36 |
-47 |
Average number of rainy days over 50 years |
days |
109 |
8 |
7 |
8 |
7 |
6 |
6 |
11 |
14 |
12 |
11 |
10 |
9 |
Average precipitation over 47 years |
in |
9.3 |
0.4 |
0.3 |
0.4 |
0.3 |
0.3 |
0.5 |
1.4 |
2.1 |
1.5 |
0.8 |
0.6 |
0.5 |
Average dew point over 34 years |
°F |
16 |
-7 |
-9 |
-7 |
6 |
26 |
37 |
48 |
46 |
35 |
19 |
1 |
-5 |
Most recorded rainfall over 47 years |
in |
14.8 |
1.8 |
1.2 |
1.2 |
1.4 |
1.0 |
1.4 |
3.5 |
5.2 |
4.3 |
3.2 |
2.2 |
1.4 |
Least recorded rainfall over 47 years |
in |
5.1 |
- |
- |
- |
- |
- |
- |
- |
0.1 |
- |
- |
0.1 |
- |
Average number of days with thunderstorms over 47 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with fog over 47 years |
days |
95 |
7 |
7 |
8 |
9 |
10 |
11 |
9 |
9 |
7 |
6 |
5 |
7 |
Average morning relative humidity over 34 years |
% |
80 |
73 |
73 |
73 |
79 |
85 |
87 |
86 |
88 |
85 |
82 |
77 |
75 |
Average evening relative humidity over 34 years |
% |
76 |
73 |
72 |
71 |
76 |
78 |
79 |
76 |
78 |
74 |
77 |
77 |
75 |
Average wind speed over 34 years |
mph |
17.0 |
20.0 |
20.0 |
16.0 |
17.0 |
13.0 |
13.0 |
14.0 |
14.0 |
14.0 |
17.0 |
18.0 |
18.0 |
Average number of days below 32°F over 47 years |
days |
248 |
31 |
28 |
31 |
30 |
25 |
7 |
- |
- |
7 |
28 |
30 |
31 |
Average number of days below 0°F over 47 years |
days |
115 |
21 |
21 |
22 |
14 |
1 |
- |
- |
- |
- |
2 |
13 |
22 |
Average snowfall over 50 years |
in |
47.4 |
6.1 |
5.0 |
5.9 |
4.8 |
1.6 |
0.1 |
- |
- |
1.1 |
6.5 |
8.5 |
7.8 |
Average number of days above 65°F over 47 years |
days |
13 |
- |
- |
- |
- |
- |
2 |
7 |
4 |
- |
- |
- |
- |
Average number of clear days over 49 years |
days |
99 |
11 |
12 |
12 |
10 |
8 |
6 |
4 |
4 |
6 |
7 |
9 |
11 |
Average snow cover over 50 years |
in |
9.0 |
17.0 |
20.0 |
22.0 |
22.0 |
6.0 |
- |
- |
- |
- |
2.0 |
6.0 |
12.0 |
Heating degree days over 30 years |
days |
15812 |
2046 |
1954 |
2003 |
1611 |
1048 |
636 |
353 |
407 |
690 |
1305 |
1716 |
2043 |
Cooling degree days over 30 years |
days |
13 |
- |
- |
- |
- |
- |
- |
6 |
7 |
- |
- |
- |
- |
Average number of cloudy days over 49 years |
days |
195 |
16 |
13 |
14 |
13 |
14 |
14 |
19 |
21 |
19 |
19 |
17 |
16 |
Average number of partly cloudy days over 49 years |
days |
71 |
4 |
3 |
5 |
7 |
9 |
10 |
8 |
6 |
5 |
5 |
4 |
4 |
Average number of days above 50°F over 47 years |
days |
85 |
- |
- |
- |
- |
4 |
15 |
28 |
28 |
10 |
- |
- |
- |