Average temperature over 48 years |
°F |
60 |
37 |
43 |
51 |
62 |
69 |
78 |
82 |
80 |
73 |
62 |
50 |
41 |
Average high temperature over 48 years |
°F |
73 |
48 |
53 |
62 |
73 |
80 |
89 |
93 |
93 |
84 |
75 |
62 |
51 |
Average low temperature over 48 years |
°F |
48 |
26 |
31 |
39 |
48 |
57 |
66 |
71 |
69 |
62 |
48 |
37 |
30 |
Highest recorded temperature over 48 years |
°F |
111 |
80 |
86 |
93 |
95 |
98 |
105 |
111 |
109 |
105 |
96 |
86 |
82 |
Lowest recorded temperature over 48 years |
°F |
-9 |
-9 |
-9 |
6 |
21 |
35 |
46 |
50 |
51 |
33 |
21 |
8 |
-5 |
Average number of rainy days over 48 years |
days |
97 |
8 |
8 |
9 |
10 |
11 |
8 |
7 |
7 |
8 |
7 |
7 |
7 |
Average number of days above 90°F over 48 years |
days |
76 |
- |
- |
- |
1 |
3 |
14 |
24 |
22 |
11 |
2 |
- |
- |
Average precipitation over 48 years |
in |
41.8 |
2.3 |
2.8 |
3.7 |
4.2 |
5.3 |
3.6 |
3.4 |
2.8 |
3.3 |
3.5 |
3.9 |
3.0 |
Average dew point over 48 years |
°F |
48 |
28 |
31 |
37 |
46 |
57 |
66 |
69 |
66 |
60 |
50 |
37 |
31 |
Average number of days above 70°F over 48 years |
days |
219 |
2 |
3 |
11 |
20 |
28 |
30 |
31 |
31 |
29 |
23 |
9 |
2 |
Most recorded rainfall over 48 years |
in |
61.2 |
11.3 |
7.9 |
8.5 |
10.3 |
13.4 |
10.4 |
10.4 |
6.6 |
9.0 |
12.0 |
13.9 |
10.1 |
Least recorded rainfall over 48 years |
in |
26.4 |
0.2 |
0.5 |
0.8 |
0.6 |
0.8 |
0.4 |
0.2 |
0.4 |
0.1 |
- |
0.6 |
0.3 |
Average number of days with thunderstorms over 48 years |
days |
59 |
1 |
2 |
5 |
7 |
8 |
8 |
8 |
7 |
5 |
3 |
3 |
2 |
Average number of days with fog over 48 years |
days |
101 |
11 |
9 |
8 |
6 |
8 |
7 |
6 |
9 |
9 |
9 |
9 |
10 |
Average morning relative humidity over 48 years |
% |
85 |
81 |
81 |
79 |
82 |
88 |
89 |
89 |
89 |
89 |
87 |
83 |
82 |
Average evening relative humidity over 48 years |
% |
49 |
55 |
50 |
46 |
46 |
52 |
52 |
49 |
47 |
48 |
45 |
48 |
53 |
Average wind speed over 48 years |
mph |
6.0 |
8.0 |
8.0 |
8.0 |
9.0 |
6.0 |
5.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
8.0 |
Average number of days below 32°F over 48 years |
days |
76 |
23 |
16 |
7 |
1 |
- |
- |
- |
- |
- |
1 |
9 |
19 |
Average snowfall over 48 years |
in |
6.3 |
2.5 |
1.8 |
0.6 |
- |
- |
- |
- |
- |
- |
- |
0.5 |
0.9 |
Average number of clear days over 48 years |
days |
123 |
9 |
9 |
9 |
9 |
8 |
10 |
12 |
12 |
12 |
13 |
11 |
9 |
Heating degree days over 30 years |
days |
3478 |
871 |
647 |
426 |
151 |
36 |
- |
- |
- |
13 |
136 |
432 |
766 |
Cooling degree days over 30 years |
days |
1894 |
- |
- |
10 |
43 |
164 |
357 |
512 |
484 |
271 |
53 |
- |
- |
Average possibility of sunshine over 48 years |
% |
61 |
50 |
55 |
56 |
60 |
62 |
69 |
73 |
72 |
65 |
65 |
55 |
51 |
Average number of cloudy days over 48 years |
days |
147 |
16 |
13 |
15 |
14 |
13 |
10 |
8 |
8 |
10 |
11 |
13 |
15 |
Average number of partly cloudy days over 48 years |
days |
95 |
6 |
6 |
7 |
7 |
10 |
10 |
11 |
11 |
8 |
7 |
6 |
7 |
Average number of days below 10°F over 48 years |
days |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |