Average temperature over 39 years |
°F |
62 |
44 |
46 |
51 |
60 |
66 |
75 |
78 |
78 |
75 |
66 |
57 |
48 |
Average high temperature over 39 years |
°F |
69 |
53 |
53 |
59 |
68 |
75 |
80 |
84 |
84 |
80 |
71 |
64 |
57 |
Average low temperature over 39 years |
°F |
55 |
37 |
37 |
43 |
51 |
60 |
68 |
71 |
71 |
68 |
59 |
50 |
41 |
Highest recorded temperature over 39 years |
°F |
96 |
75 |
75 |
80 |
89 |
91 |
95 |
96 |
93 |
91 |
89 |
80 |
78 |
Lowest recorded temperature over 39 years |
°F |
6 |
6 |
14 |
19 |
26 |
39 |
44 |
53 |
55 |
44 |
32 |
21 |
12 |
Average number of rainy days over 36 years |
days |
120 |
11 |
10 |
11 |
9 |
10 |
9 |
12 |
11 |
9 |
9 |
9 |
10 |
Average number of days above 90°F over 39 years |
days |
5 |
- |
- |
- |
- |
- |
1 |
2 |
2 |
- |
- |
- |
- |
Average precipitation over 39 years |
in |
56.9 |
5.6 |
4.1 |
4.6 |
3.2 |
3.8 |
4.2 |
4.9 |
6.4 |
5.3 |
5.3 |
4.9 |
4.5 |
Average dew point over 39 years |
°F |
53 |
37 |
37 |
43 |
50 |
59 |
66 |
71 |
71 |
66 |
57 |
48 |
41 |
Average number of days above 70°F over 39 years |
days |
201 |
1 |
1 |
5 |
13 |
25 |
29 |
31 |
31 |
30 |
21 |
10 |
3 |
Most recorded rainfall over 39 years |
in |
90.8 |
12.4 |
8.4 |
11.2 |
9.6 |
11.4 |
10.8 |
10.0 |
16.1 |
20.0 |
15.0 |
16.2 |
9.6 |
Least recorded rainfall over 39 years |
in |
41.5 |
1.8 |
1.1 |
1.0 |
0.4 |
0.3 |
0.4 |
0.4 |
1.0 |
0.1 |
0.5 |
1.1 |
0.6 |
Average number of days with thunderstorms over 39 years |
days |
41 |
1 |
2 |
2 |
3 |
5 |
5 |
8 |
8 |
3 |
2 |
1 |
1 |
Average number of days with fog over 39 years |
days |
118 |
13 |
11 |
12 |
8 |
10 |
9 |
8 |
9 |
7 |
10 |
10 |
11 |
Average morning relative humidity over 39 years |
% |
82 |
80 |
80 |
80 |
78 |
81 |
82 |
85 |
86 |
83 |
82 |
81 |
80 |
Average evening relative humidity over 39 years |
% |
68 |
69 |
66 |
65 |
62 |
67 |
70 |
72 |
72 |
69 |
68 |
69 |
69 |
Average wind speed over 39 years |
mph |
12.0 |
12.0 |
13.0 |
13.0 |
12.0 |
11.0 |
11.0 |
11.0 |
11.0 |
11.0 |
12.0 |
12.0 |
11.0 |
Average number of days below 32°F over 39 years |
days |
29 |
10 |
8 |
3 |
- |
- |
- |
- |
- |
- |
- |
1 |
6 |
Average snowfall over 36 years |
in |
2.0 |
0.4 |
0.6 |
0.4 |
- |
- |
- |
- |
- |
- |
- |
- |
0.6 |
Average number of clear days over 36 years |
days |
108 |
9 |
9 |
10 |
10 |
8 |
8 |
7 |
8 |
9 |
11 |
10 |
10 |
Heating degree days over 30 years |
days |
2698 |
639 |
546 |
421 |
196 |
38 |
- |
- |
- |
- |
90 |
265 |
503 |
Cooling degree days over 30 years |
days |
1638 |
6 |
- |
6 |
13 |
100 |
276 |
412 |
415 |
276 |
102 |
25 |
7 |
Average possibility of sunshine over 31 years |
% |
60 |
48 |
52 |
61 |
66 |
65 |
64 |
65 |
65 |
64 |
60 |
56 |
48 |
Average number of cloudy days over 36 years |
days |
156 |
15 |
14 |
14 |
11 |
13 |
12 |
14 |
13 |
11 |
12 |
12 |
14 |
Average number of partly cloudy days over 36 years |
days |
101 |
7 |
5 |
7 |
9 |
10 |
10 |
10 |
10 |
10 |
8 |
8 |
7 |