Average temperature over 47 years |
°F |
26 |
-5 |
0 |
10 |
26 |
44 |
55 |
59 |
55 |
44 |
24 |
6 |
-5 |
Average high temperature over 47 years |
°F |
35 |
1 |
8 |
23 |
37 |
55 |
66 |
68 |
62 |
51 |
32 |
12 |
1 |
Average low temperature over 47 years |
°F |
16 |
-16 |
-13 |
-2 |
16 |
35 |
44 |
48 |
44 |
35 |
17 |
-2 |
-14 |
Highest recorded temperature over 47 years |
°F |
89 |
46 |
50 |
51 |
66 |
82 |
89 |
89 |
89 |
75 |
59 |
48 |
48 |
Lowest recorded temperature over 47 years |
°F |
-67 |
-67 |
-59 |
-50 |
-40 |
0 |
30 |
33 |
24 |
1 |
-27 |
-52 |
-67 |
Average number of rainy days over 51 years |
days |
138 |
10 |
8 |
9 |
7 |
9 |
13 |
15 |
17 |
14 |
12 |
12 |
12 |
Average precipitation over 47 years |
in |
16.6 |
0.9 |
0.7 |
0.8 |
0.7 |
0.9 |
1.5 |
2.2 |
2.8 |
2.2 |
1.3 |
1.3 |
1.3 |
Average dew point over 27 years |
°F |
17 |
-11 |
-7 |
- |
16 |
31 |
42 |
48 |
46 |
36 |
19 |
1 |
-9 |
Average number of days above 70°F over 47 years |
days |
33 |
- |
- |
- |
- |
2 |
10 |
14 |
6 |
- |
- |
- |
- |
Most recorded rainfall over 47 years |
in |
25.7 |
3.7 |
2.6 |
2.8 |
2.8 |
3.1 |
4.4 |
5.4 |
5.9 |
6.2 |
2.8 |
4.3 |
5.0 |
Least recorded rainfall over 47 years |
in |
7.0 |
0.1 |
- |
- |
- |
0.2 |
0.4 |
0.4 |
0.8 |
0.2 |
0.1 |
- |
0.1 |
Average number of days with thunderstorms over 47 years |
days |
7 |
- |
- |
- |
- |
1 |
3 |
2 |
1 |
- |
- |
- |
- |
Average number of days with fog over 47 years |
days |
89 |
11 |
7 |
6 |
5 |
3 |
3 |
6 |
9 |
8 |
10 |
10 |
11 |
Average morning relative humidity over 26 years |
% |
80 |
74 |
73 |
73 |
76 |
76 |
78 |
85 |
90 |
89 |
85 |
79 |
76 |
Average evening relative humidity over 27 years |
% |
62 |
72 |
65 |
54 |
50 |
46 |
48 |
56 |
63 |
63 |
71 |
76 |
74 |
Average wind speed over 27 years |
mph |
6.0 |
4.0 |
8.0 |
8.0 |
8.0 |
8.0 |
6.0 |
9.0 |
9.0 |
6.0 |
6.0 |
5.0 |
4.0 |
Average number of days above 60°F over 47 years |
days |
88 |
- |
- |
- |
- |
11 |
24 |
26 |
21 |
6 |
- |
- |
- |
Average number of days below 32°F over 47 years |
days |
229 |
31 |
28 |
31 |
28 |
11 |
- |
- |
1 |
10 |
28 |
30 |
31 |
Average number of days below 0°F over 47 years |
days |
112 |
24 |
21 |
18 |
5 |
- |
- |
- |
- |
- |
3 |
17 |
24 |
Average snowfall over 50 years |
in |
93.7 |
14.4 |
12.0 |
12.4 |
6.9 |
0.9 |
- |
- |
- |
1.1 |
10.2 |
17.1 |
18.7 |
Average number of clear days over 51 years |
days |
66 |
9 |
9 |
9 |
7 |
4 |
2 |
2 |
2 |
3 |
4 |
6 |
8 |
Average snow cover over 60 years |
in |
10.0 |
23.0 |
26.0 |
26.0 |
18.0 |
1.0 |
- |
- |
- |
- |
1.0 |
8.0 |
16.0 |
Heating degree days over 30 years |
days |
14396 |
2285 |
1893 |
1699 |
1155 |
636 |
291 |
207 |
338 |
624 |
1249 |
1818 |
2201 |
Cooling degree days over 30 years |
days |
18 |
- |
- |
- |
- |
- |
- |
12 |
6 |
- |
- |
- |
- |
Average number of cloudy days over 51 years |
days |
228 |
17 |
15 |
16 |
16 |
19 |
19 |
21 |
23 |
22 |
22 |
19 |
19 |
Average number of partly cloudy days over 51 years |
days |
71 |
5 |
4 |
6 |
7 |
8 |
9 |
8 |
6 |
5 |
5 |
5 |
4 |