Average temperature over 48 years |
°F |
60 |
39 |
43 |
51 |
60 |
69 |
78 |
80 |
78 |
71 |
60 |
48 |
41 |
Average high temperature over 48 years |
°F |
73 |
53 |
57 |
66 |
75 |
82 |
91 |
91 |
89 |
84 |
75 |
62 |
55 |
Average low temperature over 48 years |
°F |
46 |
24 |
28 |
36 |
46 |
55 |
64 |
68 |
66 |
59 |
48 |
35 |
28 |
Highest recorded temperature over 48 years |
°F |
114 |
82 |
87 |
95 |
100 |
104 |
114 |
107 |
105 |
102 |
98 |
86 |
80 |
Lowest recorded temperature over 48 years |
°F |
-16 |
-16 |
-7 |
1 |
21 |
30 |
44 |
51 |
51 |
33 |
17 |
0 |
-2 |
Average number of rainy days over 47 years |
days |
63 |
4 |
4 |
4 |
4 |
7 |
7 |
7 |
7 |
6 |
5 |
3 |
4 |
Average number of days above 90°F over 48 years |
days |
80 |
- |
- |
- |
2 |
8 |
18 |
23 |
20 |
9 |
1 |
- |
- |
Average precipitation over 48 years |
in |
18.1 |
0.5 |
0.6 |
0.8 |
1.1 |
2.7 |
2.9 |
2.2 |
2.1 |
2.4 |
1.8 |
0.6 |
0.5 |
Average dew point over 34 years |
°F |
41 |
21 |
24 |
28 |
36 |
46 |
57 |
60 |
60 |
55 |
43 |
32 |
24 |
Average number of days above 70°F over 48 years |
days |
227 |
3 |
6 |
13 |
22 |
28 |
30 |
31 |
31 |
28 |
23 |
10 |
3 |
Most recorded rainfall over 48 years |
in |
29.4 |
4.0 |
2.5 |
3.2 |
3.5 |
7.8 |
7.9 |
7.2 |
8.8 |
8.2 |
10.8 |
2.7 |
2.2 |
Least recorded rainfall over 48 years |
in |
10.8 |
- |
- |
- |
- |
0.1 |
- |
- |
- |
- |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
48 |
- |
1 |
2 |
4 |
8 |
9 |
8 |
7 |
5 |
3 |
1 |
- |
Average number of days with fog over 48 years |
days |
61 |
7 |
7 |
5 |
4 |
6 |
3 |
2 |
3 |
6 |
6 |
6 |
6 |
Average morning relative humidity over 34 years |
% |
74 |
73 |
72 |
68 |
68 |
76 |
78 |
73 |
78 |
82 |
77 |
74 |
73 |
Average evening relative humidity over 34 years |
% |
38 |
41 |
39 |
32 |
29 |
34 |
36 |
38 |
42 |
45 |
38 |
38 |
41 |
Average wind speed over 34 years |
mph |
12.0 |
11.0 |
12.0 |
13.0 |
14.0 |
14.0 |
13.0 |
12.0 |
11.0 |
11.0 |
11.0 |
11.0 |
10.0 |
Average number of days below 32°F over 48 years |
days |
92 |
25 |
19 |
11 |
2 |
- |
- |
- |
- |
- |
1 |
12 |
23 |
Average snowfall over 45 years |
in |
10.3 |
2.4 |
2.9 |
1.5 |
0.2 |
- |
- |
- |
- |
- |
0.2 |
1.2 |
1.9 |
Average number of clear days over 47 years |
days |
160 |
13 |
11 |
12 |
12 |
11 |
13 |
14 |
15 |
14 |
17 |
15 |
13 |
Heating degree days over 30 years |
days |
3431 |
812 |
613 |
437 |
161 |
25 |
- |
- |
- |
17 |
154 |
456 |
756 |
Cooling degree days over 30 years |
days |
1689 |
- |
- |
10 |
44 |
162 |
366 |
465 |
400 |
200 |
42 |
- |
- |
Average possibility of sunshine over 21 years |
% |
71 |
65 |
66 |
73 |
74 |
71 |
75 |
77 |
76 |
71 |
75 |
68 |
65 |
Average number of cloudy days over 47 years |
days |
103 |
12 |
10 |
10 |
9 |
9 |
6 |
6 |
6 |
8 |
8 |
8 |
11 |
Average number of partly cloudy days over 47 years |
days |
102 |
6 |
7 |
9 |
9 |
11 |
11 |
11 |
10 |
8 |
6 |
7 |
7 |
Average number of days below 10°F over 48 years |
days |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |