Average temperature over 48 years |
°F |
51 |
28 |
36 |
42 |
48 |
57 |
66 |
73 |
73 |
62 |
51 |
39 |
31 |
Average high temperature over 48 years |
°F |
62 |
36 |
44 |
53 |
62 |
71 |
80 |
89 |
87 |
78 |
64 |
48 |
37 |
Average low temperature over 48 years |
°F |
39 |
21 |
26 |
31 |
37 |
44 |
51 |
57 |
57 |
48 |
39 |
30 |
23 |
Highest recorded temperature over 48 years |
°F |
111 |
62 |
69 |
80 |
91 |
98 |
105 |
111 |
109 |
100 |
93 |
73 |
64 |
Lowest recorded temperature over 48 years |
°F |
-25 |
-16 |
-14 |
6 |
19 |
21 |
31 |
35 |
34 |
23 |
10 |
-2 |
-25 |
Average number of rainy days over 54 years |
days |
90 |
12 |
10 |
10 |
8 |
8 |
6 |
2 |
3 |
4 |
6 |
10 |
11 |
Average number of days above 90°F over 48 years |
days |
45 |
- |
- |
- |
- |
1 |
6 |
18 |
16 |
3 |
- |
- |
- |
Average precipitation over 48 years |
in |
11.8 |
1.4 |
1.1 |
1.2 |
1.2 |
1.2 |
0.9 |
0.3 |
0.3 |
0.6 |
0.7 |
1.4 |
1.4 |
Average dew point over 41 years |
°F |
33 |
21 |
26 |
28 |
31 |
37 |
42 |
44 |
42 |
37 |
33 |
28 |
24 |
Most recorded rainfall over 48 years |
in |
18.8 |
3.9 |
3.7 |
3.5 |
3.0 |
4.1 |
2.9 |
1.6 |
2.4 |
2.9 |
2.3 |
3.4 |
4.2 |
Least recorded rainfall over 48 years |
in |
6.6 |
0.1 |
0.2 |
0.2 |
0.1 |
- |
- |
- |
- |
- |
- |
0.1 |
0.1 |
Average number of days with thunderstorms over 48 years |
days |
14 |
- |
- |
1 |
1 |
3 |
3 |
2 |
3 |
1 |
- |
- |
- |
Average number of days with fog over 48 years |
days |
52 |
14 |
8 |
3 |
2 |
1 |
1 |
- |
- |
1 |
2 |
7 |
13 |
Average morning relative humidity over 41 years |
% |
68 |
81 |
80 |
75 |
69 |
65 |
59 |
48 |
50 |
58 |
67 |
77 |
81 |
Average evening relative humidity over 41 years |
% |
42 |
68 |
58 |
45 |
35 |
34 |
29 |
22 |
23 |
28 |
36 |
55 |
67 |
Average wind speed over 41 years |
mph |
10.0 |
10.0 |
10.0 |
10.0 |
12.0 |
11.0 |
11.0 |
10.0 |
10.0 |
8.0 |
9.0 |
10.0 |
10.0 |
Average number of days below 32°F over 48 years |
days |
124 |
26 |
20 |
18 |
8 |
2 |
- |
- |
- |
1 |
6 |
18 |
26 |
Average snowfall over 54 years |
in |
20.9 |
6.8 |
3.6 |
1.7 |
0.6 |
0.1 |
- |
- |
- |
- |
0.1 |
2.2 |
5.8 |
Average number of days above 65°F over 48 years |
days |
169 |
- |
- |
3 |
10 |
22 |
28 |
31 |
31 |
27 |
16 |
1 |
- |
Average number of clear days over 54 years |
days |
120 |
4 |
5 |
6 |
6 |
9 |
12 |
21 |
18 |
17 |
12 |
6 |
5 |
Average snow cover over 59 years |
in |
- |
1.0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1.0 |
Heating degree days over 30 years |
days |
5861 |
1116 |
815 |
701 |
477 |
242 |
75 |
6 |
20 |
160 |
414 |
753 |
1082 |
Cooling degree days over 30 years |
days |
754 |
- |
- |
- |
- |
9 |
120 |
285 |
252 |
88 |
- |
- |
- |
Average possibility of sunshine over 51 years |
% |
64 |
40 |
51 |
62 |
68 |
72 |
76 |
87 |
85 |
81 |
69 |
43 |
39 |
Average number of cloudy days over 54 years |
days |
155 |
22 |
17 |
18 |
15 |
12 |
8 |
3 |
5 |
6 |
11 |
18 |
20 |
Average number of partly cloudy days over 54 years |
days |
90 |
5 |
6 |
7 |
9 |
10 |
10 |
7 |
8 |
7 |
8 |
6 |
6 |
Average number of days below 5°F over 48 years |
days |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |