Average temperature over 48 years |
°F |
43 |
10 |
17 |
28 |
44 |
55 |
64 |
71 |
69 |
57 |
46 |
30 |
17 |
Average high temperature over 48 years |
°F |
53 |
19 |
26 |
39 |
55 |
68 |
77 |
84 |
84 |
71 |
59 |
39 |
26 |
Average low temperature over 48 years |
°F |
31 |
- |
6 |
17 |
31 |
43 |
51 |
57 |
55 |
44 |
33 |
19 |
6 |
Highest recorded temperature over 48 years |
°F |
107 |
57 |
71 |
78 |
93 |
102 |
107 |
107 |
107 |
102 |
91 |
75 |
59 |
Lowest recorded temperature over 48 years |
°F |
-50 |
-50 |
-36 |
-29 |
-4 |
17 |
30 |
41 |
33 |
15 |
-5 |
-25 |
-38 |
Average number of rainy days over 38 years |
days |
90 |
8 |
7 |
7 |
7 |
10 |
11 |
8 |
7 |
6 |
5 |
6 |
8 |
Average number of days above 90°F over 48 years |
days |
24 |
- |
- |
- |
- |
1 |
3 |
9 |
9 |
2 |
- |
- |
- |
Average precipitation over 48 years |
in |
11.3 |
0.4 |
0.3 |
0.4 |
0.8 |
1.7 |
2.4 |
1.6 |
1.4 |
0.9 |
0.6 |
0.3 |
0.4 |
Average dew point over 39 years |
°F |
28 |
3 |
10 |
19 |
26 |
37 |
46 |
48 |
46 |
37 |
30 |
19 |
10 |
Most recorded rainfall over 48 years |
in |
19.0 |
1.4 |
1.4 |
1.4 |
2.6 |
4.9 |
6.9 |
5.9 |
5.7 |
4.1 |
1.8 |
1.3 |
1.5 |
Least recorded rainfall over 48 years |
in |
6.7 |
- |
- |
- |
- |
- |
0.1 |
- |
- |
- |
- |
- |
- |
Average number of days with thunderstorms over 45 years |
days |
28 |
- |
- |
- |
1 |
4 |
7 |
8 |
6 |
2 |
- |
- |
- |
Average number of days with fog over 45 years |
days |
46 |
8 |
6 |
6 |
3 |
3 |
2 |
1 |
1 |
2 |
2 |
5 |
7 |
Average morning relative humidity over 40 years |
% |
75 |
77 |
80 |
81 |
75 |
73 |
75 |
73 |
68 |
72 |
74 |
79 |
79 |
Average evening relative humidity over 40 years |
% |
51 |
74 |
71 |
58 |
41 |
39 |
39 |
33 |
31 |
37 |
46 |
65 |
74 |
Average wind speed over 39 years |
mph |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
11.0 |
12.0 |
12.0 |
11.0 |
11.0 |
11.0 |
Average number of days below 32°F over 48 years |
days |
179 |
31 |
27 |
28 |
16 |
2 |
- |
- |
- |
2 |
13 |
27 |
31 |
Average snowfall over 38 years |
in |
27.3 |
6.2 |
4.2 |
3.7 |
2.4 |
0.6 |
- |
- |
- |
0.2 |
1.3 |
3.3 |
5.4 |
Average number of days above 65°F over 48 years |
days |
149 |
- |
- |
1 |
8 |
20 |
27 |
31 |
30 |
21 |
10 |
1 |
- |
Average number of clear days over 38 years |
days |
86 |
6 |
5 |
5 |
5 |
6 |
7 |
12 |
12 |
9 |
8 |
6 |
5 |
Average snow cover over 44 years |
in |
1.0 |
4.0 |
4.0 |
2.0 |
- |
- |
- |
- |
- |
- |
- |
1.0 |
2.0 |
Heating degree days over 30 years |
days |
8745 |
1686 |
1330 |
1104 |
621 |
322 |
121 |
19 |
71 |
267 |
586 |
1074 |
1544 |
Cooling degree days over 30 years |
days |
558 |
- |
- |
- |
- |
12 |
103 |
199 |
208 |
36 |
- |
- |
- |
Average number of cloudy days over 38 years |
days |
168 |
18 |
16 |
17 |
16 |
15 |
11 |
7 |
8 |
11 |
14 |
17 |
18 |
Average number of partly cloudy days over 38 years |
days |
111 |
7 |
7 |
9 |
9 |
10 |
12 |
12 |
11 |
10 |
9 |
7 |
8 |