Average temperature over 48 years |
°F |
55 |
32 |
36 |
44 |
55 |
64 |
73 |
77 |
75 |
68 |
57 |
46 |
36 |
Average high temperature over 48 years |
°F |
64 |
39 |
44 |
53 |
66 |
75 |
82 |
86 |
84 |
78 |
68 |
53 |
44 |
Average low temperature over 48 years |
°F |
44 |
24 |
26 |
35 |
44 |
53 |
62 |
66 |
64 |
57 |
46 |
36 |
28 |
Highest recorded temperature over 48 years |
°F |
102 |
75 |
75 |
82 |
87 |
91 |
100 |
102 |
102 |
102 |
91 |
82 |
75 |
Lowest recorded temperature over 48 years |
°F |
-20 |
-20 |
-14 |
-2 |
17 |
26 |
39 |
46 |
42 |
34 |
19 |
-2 |
-18 |
Average number of rainy days over 49 years |
days |
130 |
12 |
11 |
13 |
12 |
12 |
10 |
11 |
9 |
8 |
8 |
11 |
12 |
Average number of days above 90°F over 48 years |
days |
22 |
- |
- |
- |
- |
- |
4 |
8 |
7 |
2 |
- |
- |
- |
Average precipitation over 48 years |
in |
45.2 |
3.6 |
3.4 |
4.5 |
3.8 |
4.4 |
4.2 |
4.7 |
3.8 |
3.0 |
2.4 |
3.5 |
3.9 |
Average dew point over 48 years |
°F |
44 |
24 |
26 |
33 |
42 |
51 |
60 |
64 |
64 |
57 |
44 |
35 |
28 |
Average number of days above 70°F over 48 years |
days |
174 |
- |
- |
4 |
12 |
23 |
29 |
31 |
31 |
26 |
15 |
3 |
- |
Most recorded rainfall over 48 years |
in |
60.1 |
16.6 |
10.1 |
10.4 |
9.3 |
10.8 |
11.7 |
10.6 |
11.2 |
9.7 |
6.1 |
6.9 |
10.2 |
Least recorded rainfall over 48 years |
in |
32.1 |
0.4 |
0.7 |
1.0 |
1.2 |
1.2 |
0.6 |
0.8 |
0.6 |
0.2 |
0.3 |
0.4 |
0.6 |
Average number of days with thunderstorms over 48 years |
days |
44 |
1 |
1 |
3 |
4 |
6 |
8 |
9 |
7 |
3 |
1 |
1 |
- |
Average number of days with fog over 48 years |
days |
158 |
14 |
12 |
12 |
9 |
12 |
13 |
16 |
18 |
15 |
12 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
81 |
81 |
80 |
77 |
75 |
79 |
81 |
84 |
86 |
86 |
83 |
81 |
81 |
Average evening relative humidity over 48 years |
% |
57 |
67 |
61 |
55 |
51 |
54 |
55 |
56 |
55 |
54 |
53 |
60 |
66 |
Average wind speed over 48 years |
mph |
9.0 |
11.0 |
10.0 |
11.0 |
11.0 |
9.0 |
8.0 |
6.0 |
6.0 |
8.0 |
8.0 |
10.0 |
11.0 |
Average number of days below 32°F over 48 years |
days |
96 |
24 |
20 |
14 |
4 |
- |
- |
- |
- |
- |
2 |
12 |
21 |
Average snowfall over 49 years |
in |
15.7 |
5.4 |
4.8 |
2.7 |
0.3 |
- |
- |
- |
- |
- |
- |
0.6 |
1.9 |
Average number of clear days over 49 years |
days |
90 |
6 |
6 |
6 |
6 |
7 |
7 |
8 |
9 |
11 |
12 |
7 |
6 |
Heating degree days over 30 years |
days |
4783 |
1060 |
854 |
611 |
312 |
135 |
5 |
- |
- |
47 |
287 |
570 |
902 |
Cooling degree days over 30 years |
days |
1140 |
- |
- |
- |
6 |
104 |
221 |
335 |
301 |
143 |
30 |
- |
- |
Average number of cloudy days over 49 years |
days |
174 |
19 |
17 |
18 |
15 |
14 |
11 |
11 |
10 |
11 |
12 |
17 |
19 |
Average number of partly cloudy days over 49 years |
days |
101 |
6 |
5 |
7 |
9 |
10 |
12 |
12 |
12 |
8 |
7 |
6 |
6 |
Average number of days below 10°F over 48 years |
days |
10 |
4 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |