Average temperature over 48 years |
°F |
69 |
50 |
53 |
60 |
69 |
75 |
82 |
84 |
84 |
80 |
71 |
60 |
53 |
Average high temperature over 48 years |
°F |
78 |
60 |
64 |
71 |
78 |
84 |
91 |
95 |
96 |
89 |
80 |
69 |
62 |
Average low temperature over 48 years |
°F |
57 |
39 |
43 |
50 |
57 |
64 |
71 |
73 |
73 |
69 |
59 |
48 |
42 |
Highest recorded temperature over 48 years |
°F |
109 |
89 |
96 |
98 |
98 |
100 |
105 |
109 |
105 |
104 |
98 |
91 |
89 |
Lowest recorded temperature over 48 years |
°F |
-2 |
-2 |
6 |
17 |
35 |
43 |
53 |
64 |
60 |
46 |
30 |
19 |
3 |
Average number of rainy days over 52 years |
days |
84 |
8 |
8 |
7 |
7 |
9 |
7 |
5 |
5 |
7 |
6 |
7 |
8 |
Average number of days above 90°F over 48 years |
days |
111 |
- |
- |
1 |
2 |
7 |
22 |
28 |
28 |
18 |
4 |
- |
- |
Average precipitation over 48 years |
in |
32.1 |
1.8 |
2.4 |
1.9 |
2.9 |
4.5 |
3.4 |
1.8 |
2.1 |
3.3 |
3.5 |
2.1 |
2.3 |
Average dew point over 48 years |
°F |
55 |
37 |
41 |
46 |
55 |
64 |
69 |
69 |
68 |
64 |
55 |
46 |
39 |
Most recorded rainfall over 48 years |
in |
52.2 |
9.2 |
6.6 |
6.0 |
9.9 |
10.0 |
15.0 |
10.5 |
8.9 |
7.4 |
12.3 |
7.3 |
14.2 |
Least recorded rainfall over 48 years |
in |
11.4 |
- |
0.3 |
- |
0.1 |
0.8 |
- |
- |
- |
0.1 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
42 |
1 |
2 |
3 |
5 |
7 |
5 |
4 |
5 |
4 |
3 |
2 |
1 |
Average number of days with fog over 48 years |
days |
118 |
13 |
11 |
12 |
12 |
12 |
7 |
4 |
4 |
9 |
11 |
11 |
12 |
Average morning relative humidity over 48 years |
% |
84 |
80 |
80 |
80 |
83 |
89 |
89 |
89 |
87 |
86 |
84 |
81 |
80 |
Average evening relative humidity over 48 years |
% |
49 |
53 |
51 |
47 |
50 |
54 |
50 |
43 |
42 |
47 |
47 |
49 |
52 |
Average wind speed over 48 years |
mph |
10.0 |
13.0 |
9.0 |
11.0 |
10.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
8.0 |
9.0 |
9.0 |
Average number of days below 32°F over 48 years |
days |
19 |
8 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
5 |
Average snowfall over 52 years |
in |
0.9 |
0.5 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
0.1 |
- |
Average number of clear days over 52 years |
days |
116 |
9 |
8 |
9 |
8 |
7 |
8 |
12 |
12 |
11 |
13 |
11 |
10 |
Heating degree days over 30 years |
days |
1688 |
514 |
353 |
175 |
28 |
- |
- |
- |
- |
- |
17 |
175 |
426 |
Cooling degree days over 30 years |
days |
3016 |
12 |
11 |
66 |
166 |
329 |
489 |
605 |
614 |
456 |
206 |
52 |
10 |
Average possibility of sunshine over 52 years |
% |
60 |
48 |
51 |
55 |
54 |
56 |
69 |
75 |
75 |
66 |
64 |
55 |
49 |
Average number of cloudy days over 52 years |
days |
135 |
16 |
14 |
14 |
14 |
13 |
7 |
6 |
5 |
8 |
9 |
12 |
15 |
Average number of partly cloudy days over 52 years |
days |
114 |
6 |
6 |
8 |
8 |
11 |
15 |
13 |
14 |
11 |
9 |
7 |
6 |
Average number of days above 80°F over 48 years |
days |
198 |
1 |
2 |
8 |
17 |
26 |
29 |
31 |
31 |
28 |
20 |
6 |
1 |
Average number of days below 45°F over 48 years |
days |
88 |
23 |
17 |
11 |
2 |
- |
- |
- |
- |
- |
2 |
12 |
21 |