Average temperature over 15 years |
°F |
57 |
34 |
39 |
48 |
57 |
64 |
71 |
75 |
75 |
68 |
57 |
48 |
37 |
Average high temperature over 15 years |
°F |
66 |
42 |
48 |
57 |
68 |
75 |
82 |
86 |
84 |
77 |
68 |
57 |
46 |
Average low temperature over 15 years |
°F |
46 |
26 |
30 |
37 |
46 |
53 |
62 |
66 |
64 |
57 |
48 |
39 |
30 |
Highest recorded temperature over 15 years |
°F |
100 |
71 |
73 |
87 |
91 |
89 |
98 |
100 |
100 |
95 |
86 |
80 |
78 |
Lowest recorded temperature over 15 years |
°F |
-18 |
-18 |
-4 |
8 |
19 |
32 |
44 |
51 |
44 |
34 |
26 |
12 |
-13 |
Average number of rainy days over 13 years |
days |
142 |
13 |
13 |
13 |
12 |
14 |
11 |
13 |
10 |
9 |
9 |
12 |
14 |
Average number of days above 90°F over 15 years |
days |
17 |
- |
- |
- |
- |
- |
2 |
7 |
6 |
1 |
- |
- |
- |
Average precipitation over 15 years |
in |
48.9 |
3.1 |
4.3 |
4.4 |
3.2 |
5.1 |
4.1 |
4.7 |
4.0 |
3.6 |
3.3 |
4.5 |
4.5 |
Average dew point over 15 years |
°F |
44 |
24 |
26 |
31 |
39 |
51 |
62 |
66 |
64 |
57 |
44 |
35 |
28 |
Average number of days above 70°F over 15 years |
days |
182 |
- |
1 |
7 |
15 |
23 |
29 |
31 |
31 |
25 |
15 |
5 |
1 |
Most recorded rainfall over 15 years |
in |
63.3 |
7.3 |
7.6 |
11.8 |
5.7 |
9.9 |
7.0 |
9.7 |
7.7 |
7.8 |
7.4 |
9.3 |
13.0 |
Least recorded rainfall over 15 years |
in |
37.6 |
0.8 |
2.0 |
1.6 |
0.8 |
2.3 |
1.4 |
1.8 |
1.5 |
1.4 |
0.5 |
1.4 |
1.7 |
Average number of days with thunderstorms over 15 years |
days |
51 |
- |
1 |
3 |
4 |
8 |
10 |
12 |
8 |
3 |
1 |
1 |
- |
Average number of days with fog over 15 years |
days |
199 |
15 |
13 |
15 |
11 |
17 |
19 |
24 |
25 |
19 |
13 |
13 |
15 |
Average morning relative humidity over 15 years |
% |
80 |
77 |
75 |
72 |
69 |
81 |
86 |
89 |
91 |
89 |
82 |
75 |
78 |
Average evening relative humidity over 15 years |
% |
56 |
59 |
56 |
49 |
44 |
57 |
59 |
62 |
60 |
59 |
52 |
54 |
62 |
Average wind speed over 15 years |
mph |
6.0 |
9.0 |
9.0 |
9.0 |
8.0 |
6.0 |
5.0 |
5.0 |
5.0 |
5.0 |
6.0 |
8.0 |
8.0 |
Average number of days below 32°F over 15 years |
days |
82 |
23 |
17 |
12 |
2 |
- |
- |
- |
- |
- |
1 |
9 |
18 |
Average snowfall over 13 years |
in |
21.0 |
5.0 |
6.6 |
3.3 |
1.6 |
0.1 |
- |
- |
- |
- |
0.2 |
0.3 |
3.9 |
Average number of clear days over 12 years |
days |
71 |
4 |
4 |
5 |
6 |
6 |
6 |
7 |
7 |
8 |
8 |
5 |
5 |
Heating degree days over 30 years |
days |
4393 |
998 |
798 |
549 |
262 |
125 |
- |
- |
- |
38 |
264 |
519 |
840 |
Cooling degree days over 30 years |
days |
1033 |
- |
- |
- |
10 |
103 |
202 |
298 |
273 |
125 |
22 |
- |
- |
Average number of cloudy days over 12 years |
days |
198 |
21 |
19 |
19 |
16 |
17 |
13 |
12 |
12 |
13 |
15 |
19 |
21 |
Average number of partly cloudy days over 12 years |
days |
97 |
6 |
5 |
7 |
8 |
8 |
11 |
12 |
12 |
9 |
8 |
6 |
5 |
Average number of days below 10°F over 15 years |
days |
7 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |