Average temperature over 37 years |
°F |
48 |
21 |
26 |
37 |
48 |
59 |
69 |
73 |
71 |
64 |
53 |
39 |
26 |
Average high temperature over 37 years |
°F |
59 |
28 |
34 |
44 |
57 |
69 |
80 |
84 |
82 |
75 |
62 |
48 |
35 |
Average low temperature over 37 years |
°F |
39 |
12 |
17 |
28 |
39 |
48 |
57 |
62 |
62 |
53 |
42 |
31 |
19 |
Highest recorded temperature over 37 years |
°F |
104 |
64 |
71 |
87 |
91 |
93 |
104 |
104 |
100 |
98 |
91 |
78 |
71 |
Lowest recorded temperature over 37 years |
°F |
-27 |
-27 |
-16 |
-7 |
6 |
24 |
36 |
39 |
41 |
28 |
17 |
1 |
-25 |
Average number of rainy days over 35 years |
days |
126 |
11 |
9 |
13 |
13 |
11 |
10 |
10 |
9 |
10 |
9 |
11 |
11 |
Average number of days above 90°F over 37 years |
days |
18 |
- |
- |
- |
- |
1 |
4 |
7 |
4 |
2 |
- |
- |
- |
Average precipitation over 37 years |
in |
35.3 |
1.7 |
1.4 |
2.7 |
3.6 |
3.2 |
3.8 |
3.6 |
4.1 |
3.5 |
2.6 |
2.9 |
2.2 |
Average dew point over 37 years |
°F |
39 |
14 |
17 |
26 |
36 |
46 |
55 |
62 |
60 |
53 |
42 |
31 |
21 |
Most recorded rainfall over 37 years |
in |
49.3 |
4.1 |
3.5 |
5.9 |
7.7 |
7.1 |
10.0 |
8.3 |
17.1 |
11.4 |
7.4 |
8.2 |
8.6 |
Least recorded rainfall over 37 years |
in |
21.8 |
0.1 |
0.1 |
0.6 |
1.0 |
0.3 |
0.9 |
1.2 |
0.5 |
- |
0.2 |
0.6 |
0.2 |
Average number of days with thunderstorms over 37 years |
days |
37 |
- |
- |
2 |
4 |
5 |
6 |
6 |
6 |
4 |
2 |
1 |
1 |
Average number of days with fog over 37 years |
days |
131 |
12 |
11 |
12 |
10 |
10 |
8 |
9 |
12 |
11 |
11 |
12 |
13 |
Average morning relative humidity over 37 years |
% |
80 |
77 |
78 |
79 |
77 |
77 |
78 |
82 |
85 |
85 |
82 |
81 |
80 |
Average evening relative humidity over 37 years |
% |
58 |
66 |
63 |
59 |
53 |
51 |
52 |
54 |
55 |
55 |
53 |
62 |
68 |
Average wind speed over 37 years |
mph |
10.0 |
11.0 |
10.0 |
11.0 |
12.0 |
11.0 |
10.0 |
9.0 |
9.0 |
9.0 |
10.0 |
12.0 |
11.0 |
Average number of days below 32°F over 37 years |
days |
132 |
29 |
25 |
21 |
7 |
1 |
- |
- |
- |
- |
5 |
17 |
27 |
Average snowfall over 35 years |
in |
38.2 |
10.7 |
8.1 |
7.0 |
1.7 |
0.1 |
- |
- |
- |
- |
0.4 |
1.9 |
8.3 |
Average number of days above 65°F over 37 years |
days |
165 |
- |
- |
3 |
9 |
21 |
29 |
31 |
31 |
26 |
13 |
2 |
- |
Average number of clear days over 35 years |
days |
84 |
7 |
6 |
5 |
6 |
7 |
7 |
8 |
9 |
9 |
9 |
5 |
6 |
Heating degree days over 30 years |
days |
6536 |
1364 |
1109 |
862 |
492 |
235 |
35 |
5 |
19 |
84 |
391 |
750 |
1190 |
Cooling degree days over 30 years |
days |
752 |
- |
- |
- |
- |
46 |
143 |
259 |
226 |
66 |
12 |
- |
- |
Average possibility of sunshine over 13 years |
% |
54 |
46 |
47 |
50 |
50 |
57 |
67 |
65 |
63 |
58 |
56 |
39 |
44 |
Average number of cloudy days over 35 years |
days |
176 |
18 |
16 |
18 |
16 |
14 |
11 |
11 |
11 |
11 |
13 |
18 |
19 |
Average number of partly cloudy days over 35 years |
days |
105 |
6 |
6 |
8 |
8 |
10 |
12 |
12 |
11 |
10 |
9 |
7 |
6 |
Average number of days below 5°F over 37 years |
days |
20 |
10 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
4 |