Average temperature over 50 years |
°F |
48 |
21 |
24 |
34 |
46 |
57 |
66 |
71 |
69 |
60 |
51 |
39 |
26 |
Average high temperature over 50 years |
°F |
57 |
31 |
33 |
43 |
57 |
69 |
78 |
82 |
80 |
73 |
62 |
48 |
35 |
Average low temperature over 50 years |
°F |
37 |
12 |
14 |
24 |
36 |
46 |
55 |
60 |
57 |
50 |
39 |
31 |
19 |
Highest recorded temperature over 50 years |
°F |
100 |
64 |
66 |
86 |
91 |
93 |
98 |
100 |
98 |
100 |
89 |
82 |
71 |
Lowest recorded temperature over 50 years |
°F |
-27 |
-27 |
-20 |
-20 |
10 |
26 |
36 |
39 |
34 |
24 |
16 |
5 |
-22 |
Average number of rainy days over 47 years |
days |
135 |
12 |
11 |
12 |
12 |
13 |
11 |
10 |
10 |
10 |
9 |
12 |
12 |
Average number of days above 90°F over 50 years |
days |
11 |
- |
- |
- |
- |
- |
2 |
5 |
3 |
1 |
- |
- |
- |
Average precipitation over 50 years |
in |
35.7 |
2.4 |
2.3 |
2.9 |
3.0 |
3.5 |
3.3 |
3.1 |
3.3 |
3.0 |
3.0 |
3.1 |
2.9 |
Average dew point over 51 years |
°F |
37 |
14 |
15 |
23 |
33 |
44 |
55 |
60 |
59 |
51 |
41 |
31 |
19 |
Most recorded rainfall over 50 years |
in |
47.2 |
6.4 |
5.0 |
5.9 |
7.9 |
9.0 |
7.4 |
7.0 |
7.3 |
7.9 |
8.8 |
8.1 |
6.7 |
Least recorded rainfall over 50 years |
in |
21.5 |
0.4 |
0.2 |
0.3 |
1.1 |
1.0 |
0.6 |
0.5 |
0.7 |
0.4 |
0.2 |
0.6 |
0.6 |
Average number of days with thunderstorms over 50 years |
days |
24 |
- |
- |
1 |
1 |
3 |
5 |
6 |
5 |
2 |
1 |
- |
- |
Average number of days with fog over 50 years |
days |
152 |
10 |
9 |
11 |
9 |
12 |
13 |
14 |
17 |
17 |
15 |
13 |
12 |
Average morning relative humidity over 51 years |
% |
80 |
77 |
77 |
76 |
72 |
74 |
77 |
80 |
85 |
88 |
86 |
82 |
80 |
Average evening relative humidity over 51 years |
% |
57 |
64 |
59 |
54 |
48 |
50 |
53 |
53 |
55 |
57 |
56 |
64 |
67 |
Average wind speed over 51 years |
mph |
11.0 |
14.0 |
14.0 |
14.0 |
14.0 |
10.0 |
9.0 |
8.0 |
8.0 |
9.0 |
9.0 |
13.0 |
13.0 |
Average number of days below 32°F over 50 years |
days |
147 |
29 |
26 |
25 |
11 |
2 |
- |
- |
- |
1 |
8 |
18 |
28 |
Average number of days below 0°F over 30 years |
days |
1.7 |
0.7 |
0.6 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.3 |
Average snowfall over 47 years |
in |
63.3 |
16.0 |
14.2 |
11.1 |
2.7 |
0.1 |
- |
- |
- |
- |
0.2 |
4.1 |
14.9 |
Average number of days above 65°F over 50 years |
days |
159 |
- |
- |
2 |
8 |
22 |
28 |
31 |
31 |
24 |
12 |
2 |
- |
Average number of clear days over 55 years |
days |
69 |
5 |
6 |
6 |
6 |
5 |
5 |
6 |
7 |
8 |
8 |
4 |
5 |
Most rain reported in a day over 123 years |
in |
4.1 |
1.8 |
1.9 |
2.3 |
2.0 |
2.2 |
3.5 |
3.5 |
4.1 |
3.5 |
3.1 |
3.3 |
3.2 |
Most rain reported in a month over 123 years |
in |
49.4 |
6.4 |
5.0 |
5.9 |
8.0 |
9.0 |
8.2 |
7.0 |
7.6 |
8.9 |
8.8 |
8.1 |
6.7 |
Least rain reported in a month over 123 years |
in |
21.6 |
0.4 |
0.2 |
0.1 |
0.6 |
0.2 |
0.7 |
0.5 |
0.5 |
0.4 |
0.1 |
0.4 |
0.4 |
Heating degree days over 30 years |
days |
6894 |
1376 |
1162 |
952 |
558 |
247 |
34 |
- |
12 |
141 |
459 |
759 |
1194 |
Cooling degree days over 30 years |
days |
507 |
- |
- |
- |
- |
18 |
91 |
213 |
155 |
30 |
- |
- |
- |
Average possibility of sunshine over 55 years |
% |
52 |
46 |
52 |
53 |
54 |
56 |
60 |
63 |
60 |
57 |
52 |
36 |
38 |
Average number of cloudy days over 55 years |
days |
185 |
18 |
15 |
17 |
16 |
17 |
14 |
12 |
12 |
12 |
14 |
18 |
19 |
Average number of partly cloudy days over 55 years |
days |
111 |
8 |
7 |
8 |
8 |
9 |
11 |
13 |
12 |
10 |
9 |
8 |
7 |
Average number of days below 5°F over 50 years |
days |
22 |
9 |
7 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
5 |
Most snow reported in a month over 123 years |
in |
88.3 |
42.0 |
28.6 |
34.3 |
1.9 |
- |
- |
- |
- |
- |
- |
5.8 |
25.1 |