Average temperature over 48 years |
°F |
64 |
46 |
48 |
55 |
62 |
71 |
77 |
80 |
80 |
75 |
64 |
55 |
48 |
Average high temperature over 48 years |
°F |
73 |
55 |
59 |
64 |
73 |
80 |
86 |
89 |
87 |
84 |
75 |
66 |
59 |
Average low temperature over 48 years |
°F |
53 |
36 |
37 |
43 |
51 |
60 |
66 |
71 |
71 |
64 |
53 |
44 |
37 |
Highest recorded temperature over 48 years |
°F |
104 |
82 |
84 |
89 |
95 |
98 |
104 |
102 |
102 |
98 |
95 |
87 |
80 |
Lowest recorded temperature over 48 years |
°F |
- |
5 |
10 |
8 |
30 |
35 |
48 |
55 |
55 |
44 |
26 |
16 |
- |
Average number of rainy days over 42 years |
days |
117 |
11 |
10 |
10 |
8 |
10 |
10 |
13 |
12 |
9 |
7 |
8 |
9 |
Average number of days above 90°F over 48 years |
days |
46 |
- |
- |
- |
1 |
2 |
9 |
16 |
13 |
5 |
- |
- |
- |
Average precipitation over 48 years |
in |
55.0 |
3.9 |
3.5 |
4.3 |
2.9 |
4.3 |
5.4 |
7.9 |
7.0 |
5.6 |
3.3 |
3.3 |
3.5 |
Average dew point over 46 years |
°F |
53 |
36 |
37 |
43 |
50 |
60 |
68 |
71 |
71 |
66 |
55 |
46 |
37 |
Average number of days above 70°F over 48 years |
days |
237 |
4 |
5 |
11 |
21 |
29 |
30 |
31 |
31 |
29 |
25 |
14 |
6 |
Most recorded rainfall over 48 years |
in |
66.6 |
10.2 |
8.7 |
8.3 |
8.2 |
9.1 |
12.9 |
18.0 |
14.1 |
18.9 |
9.8 |
7.9 |
7.1 |
Least recorded rainfall over 48 years |
in |
36.9 |
0.7 |
0.6 |
0.9 |
0.2 |
0.9 |
0.9 |
1.6 |
1.7 |
0.7 |
0.2 |
0.5 |
0.5 |
Average number of days with thunderstorms over 48 years |
days |
47 |
- |
1 |
2 |
3 |
6 |
8 |
12 |
9 |
4 |
1 |
1 |
- |
Average number of days with fog over 48 years |
days |
177 |
15 |
12 |
14 |
12 |
15 |
16 |
14 |
17 |
17 |
16 |
15 |
14 |
Average morning relative humidity over 48 years |
% |
85 |
82 |
80 |
82 |
81 |
84 |
85 |
87 |
90 |
90 |
89 |
86 |
82 |
Average evening relative humidity over 48 years |
% |
59 |
58 |
55 |
54 |
51 |
58 |
62 |
66 |
67 |
66 |
60 |
58 |
58 |
Average wind speed over 47 years |
mph |
10.0 |
9.0 |
11.0 |
11.0 |
11.0 |
10.0 |
9.0 |
9.0 |
8.0 |
9.0 |
10.0 |
10.0 |
9.0 |
Average number of days below 32°F over 48 years |
days |
42 |
13 |
10 |
4 |
- |
- |
- |
- |
- |
- |
- |
3 |
11 |
Average snowfall over 42 years |
in |
1.9 |
0.4 |
0.5 |
0.4 |
- |
- |
- |
- |
- |
- |
- |
- |
0.6 |
Average number of clear days over 42 years |
days |
111 |
10 |
9 |
10 |
11 |
8 |
7 |
6 |
7 |
8 |
13 |
12 |
10 |
Heating degree days over 30 years |
days |
2470 |
631 |
496 |
338 |
115 |
10 |
- |
- |
- |
- |
102 |
259 |
519 |
Cooling degree days over 30 years |
days |
1926 |
8 |
- |
10 |
34 |
168 |
345 |
468 |
446 |
309 |
111 |
19 |
8 |
Average possibility of sunshine over 42 years |
% |
63 |
57 |
59 |
64 |
71 |
67 |
66 |
64 |
61 |
62 |
65 |
63 |
59 |
Average number of cloudy days over 42 years |
days |
150 |
15 |
13 |
14 |
11 |
12 |
12 |
13 |
12 |
12 |
11 |
11 |
14 |
Average number of partly cloudy days over 42 years |
days |
104 |
6 |
6 |
7 |
8 |
11 |
11 |
12 |
12 |
10 |
7 |
7 |
7 |