Average temperature over 48 years |
°F |
55 |
36 |
39 |
46 |
55 |
64 |
71 |
75 |
73 |
68 |
57 |
46 |
39 |
Average high temperature over 48 years |
°F |
66 |
44 |
48 |
57 |
68 |
75 |
82 |
86 |
84 |
80 |
69 |
57 |
48 |
Average low temperature over 48 years |
°F |
44 |
26 |
28 |
35 |
44 |
51 |
60 |
64 |
62 |
57 |
44 |
35 |
28 |
Highest recorded temperature over 48 years |
°F |
102 |
78 |
80 |
84 |
89 |
91 |
96 |
102 |
100 |
100 |
89 |
80 |
78 |
Lowest recorded temperature over 48 years |
°F |
-20 |
-20 |
-5 |
-2 |
21 |
30 |
37 |
48 |
43 |
34 |
19 |
5 |
-9 |
Average number of rainy days over 48 years |
days |
133 |
14 |
12 |
13 |
11 |
12 |
11 |
12 |
10 |
8 |
8 |
10 |
12 |
Average number of days above 90°F over 48 years |
days |
17 |
- |
- |
- |
- |
- |
3 |
7 |
5 |
2 |
- |
- |
- |
Average precipitation over 48 years |
in |
41.5 |
3.4 |
3.6 |
4.0 |
3.3 |
3.8 |
3.5 |
4.4 |
3.4 |
3.0 |
2.4 |
3.1 |
3.5 |
Average dew point over 46 years |
°F |
44 |
26 |
28 |
34 |
41 |
53 |
60 |
64 |
64 |
57 |
46 |
36 |
28 |
Average number of days above 70°F over 48 years |
days |
186 |
- |
1 |
6 |
14 |
25 |
29 |
31 |
31 |
27 |
17 |
4 |
1 |
Most recorded rainfall over 48 years |
in |
54.5 |
9.2 |
7.8 |
9.6 |
5.8 |
9.7 |
7.0 |
9.7 |
7.1 |
7.1 |
5.6 |
5.9 |
6.8 |
Least recorded rainfall over 48 years |
in |
30.7 |
1.4 |
0.3 |
1.3 |
0.2 |
1.3 |
0.8 |
0.7 |
0.5 |
0.5 |
0.1 |
1.1 |
0.2 |
Average number of days with thunderstorms over 48 years |
days |
42 |
- |
1 |
2 |
4 |
7 |
8 |
9 |
7 |
3 |
1 |
- |
- |
Average number of days with fog over 48 years |
days |
172 |
13 |
10 |
9 |
8 |
15 |
17 |
20 |
22 |
18 |
15 |
13 |
12 |
Average morning relative humidity over 48 years |
% |
86 |
82 |
81 |
80 |
80 |
87 |
89 |
91 |
93 |
92 |
89 |
84 |
82 |
Average evening relative humidity over 48 years |
% |
54 |
59 |
54 |
49 |
46 |
52 |
54 |
57 |
57 |
54 |
50 |
53 |
59 |
Average wind speed over 46 years |
mph |
9.0 |
10.0 |
11.0 |
11.0 |
11.0 |
9.0 |
8.0 |
8.0 |
4.0 |
4.0 |
4.0 |
10.0 |
10.0 |
Average number of days below 32°F over 48 years |
days |
95 |
22 |
19 |
13 |
4 |
- |
- |
- |
- |
- |
3 |
13 |
21 |
Average snowfall over 56 years |
in |
15.7 |
5.1 |
4.3 |
2.3 |
0.4 |
- |
- |
- |
- |
- |
- |
1.0 |
2.6 |
Average number of clear days over 56 years |
days |
89 |
6 |
6 |
6 |
7 |
7 |
6 |
6 |
7 |
9 |
12 |
9 |
7 |
Heating degree days over 30 years |
days |
4406 |
961 |
773 |
552 |
298 |
121 |
6 |
- |
- |
44 |
280 |
540 |
831 |
Cooling degree days over 30 years |
days |
972 |
- |
- |
- |
- |
71 |
189 |
291 |
267 |
131 |
23 |
- |
- |
Average number of cloudy days over 56 years |
days |
165 |
18 |
15 |
17 |
14 |
13 |
12 |
12 |
11 |
11 |
11 |
14 |
17 |
Average number of partly cloudy days over 56 years |
days |
112 |
7 |
7 |
8 |
9 |
11 |
12 |
13 |
13 |
10 |
8 |
7 |
7 |
Average number of days below 10°F over 48 years |
days |
6 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |