Average temperature over 48 years |
°F |
64 |
46 |
50 |
57 |
64 |
71 |
78 |
82 |
80 |
75 |
66 |
55 |
48 |
Average high temperature over 48 years |
°F |
75 |
57 |
60 |
69 |
77 |
84 |
89 |
91 |
91 |
86 |
77 |
66 |
59 |
Average low temperature over 48 years |
°F |
53 |
36 |
37 |
44 |
51 |
60 |
68 |
71 |
71 |
66 |
53 |
44 |
37 |
Highest recorded temperature over 48 years |
°F |
104 |
82 |
82 |
89 |
93 |
96 |
104 |
104 |
102 |
100 |
96 |
86 |
82 |
Lowest recorded temperature over 48 years |
°F |
-2 |
-2 |
10 |
16 |
28 |
39 |
44 |
59 |
57 |
37 |
24 |
10 |
3 |
Average number of rainy days over 48 years |
days |
110 |
10 |
10 |
10 |
8 |
8 |
9 |
13 |
10 |
8 |
5 |
8 |
10 |
Average number of days above 90°F over 48 years |
days |
76 |
- |
- |
- |
- |
6 |
17 |
21 |
21 |
10 |
1 |
- |
- |
Average precipitation over 48 years |
in |
50.3 |
4.3 |
4.7 |
5.8 |
4.2 |
4.0 |
3.8 |
5.7 |
4.0 |
3.2 |
2.3 |
3.6 |
4.7 |
Average dew point over 43 years |
°F |
53 |
36 |
37 |
43 |
51 |
60 |
66 |
71 |
69 |
64 |
53 |
44 |
39 |
Average number of days above 70°F over 48 years |
days |
248 |
4 |
7 |
15 |
25 |
30 |
30 |
31 |
31 |
29 |
26 |
14 |
5 |
Most recorded rainfall over 48 years |
in |
73.2 |
8.3 |
9.4 |
12.5 |
11.7 |
8.4 |
10.8 |
13.2 |
10.1 |
6.9 |
8.4 |
12.4 |
9.4 |
Least recorded rainfall over 48 years |
in |
30.2 |
0.7 |
1.0 |
1.4 |
0.1 |
0.2 |
0.7 |
1.7 |
0.8 |
0.2 |
- |
0.3 |
0.4 |
Average number of days with thunderstorms over 39 years |
days |
54 |
1 |
2 |
4 |
4 |
6 |
8 |
13 |
9 |
4 |
1 |
1 |
1 |
Average number of days with fog over 39 years |
days |
181 |
15 |
13 |
14 |
12 |
15 |
15 |
19 |
19 |
16 |
14 |
14 |
15 |
Average morning relative humidity over 48 years |
% |
87 |
84 |
83 |
85 |
86 |
86 |
86 |
90 |
91 |
90 |
89 |
87 |
85 |
Average evening relative humidity over 48 years |
% |
51 |
54 |
50 |
46 |
43 |
48 |
51 |
57 |
55 |
54 |
49 |
50 |
54 |
Average wind speed over 43 years |
mph |
9.0 |
10.0 |
10.0 |
10.0 |
10.0 |
8.0 |
8.0 |
8.0 |
6.0 |
9.0 |
9.0 |
8.0 |
9.0 |
Average number of days below 32°F over 48 years |
days |
42 |
13 |
9 |
4 |
- |
- |
- |
- |
- |
- |
- |
5 |
11 |
Average snowfall over 48 years |
in |
0.5 |
0.1 |
0.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of clear days over 48 years |
days |
110 |
8 |
8 |
9 |
10 |
9 |
8 |
6 |
8 |
10 |
14 |
12 |
9 |
Heating degree days over 30 years |
days |
2261 |
607 |
440 |
260 |
76 |
7 |
- |
- |
- |
- |
86 |
268 |
517 |
Cooling degree days over 30 years |
days |
2284 |
9 |
- |
18 |
70 |
234 |
435 |
524 |
508 |
342 |
117 |
19 |
8 |
Average number of cloudy days over 48 years |
days |
151 |
17 |
14 |
15 |
11 |
12 |
10 |
12 |
10 |
11 |
10 |
12 |
16 |
Average number of partly cloudy days over 48 years |
days |
104 |
6 |
6 |
7 |
9 |
10 |
12 |
13 |
13 |
9 |
7 |
6 |
6 |