Average temperature over 39 years |
°F |
68 |
51 |
55 |
60 |
68 |
75 |
80 |
82 |
82 |
78 |
69 |
60 |
53 |
Average high temperature over 39 years |
°F |
77 |
60 |
64 |
69 |
77 |
82 |
89 |
89 |
89 |
87 |
80 |
69 |
62 |
Average low temperature over 39 years |
°F |
59 |
43 |
44 |
51 |
57 |
66 |
71 |
73 |
73 |
69 |
60 |
50 |
44 |
Highest recorded temperature over 39 years |
°F |
105 |
80 |
82 |
86 |
96 |
102 |
100 |
105 |
104 |
98 |
95 |
84 |
80 |
Lowest recorded temperature over 39 years |
°F |
5 |
5 |
12 |
21 |
33 |
46 |
55 |
60 |
62 |
43 |
32 |
21 |
10 |
Average number of rainy days over 30 years |
days |
109 |
10 |
9 |
9 |
6 |
7 |
10 |
14 |
13 |
9 |
5 |
8 |
9 |
Average number of days above 90°F over 39 years |
days |
61 |
- |
- |
- |
- |
3 |
14 |
18 |
17 |
9 |
1 |
- |
- |
Average precipitation over 39 years |
in |
62.6 |
4.7 |
4.9 |
5.9 |
4.2 |
4.4 |
6.6 |
7.4 |
7.0 |
5.7 |
3.8 |
3.5 |
4.3 |
Average dew point over 20 years |
°F |
57 |
44 |
46 |
50 |
55 |
64 |
71 |
73 |
73 |
68 |
59 |
51 |
46 |
Average number of days above 70°F over 39 years |
days |
267 |
7 |
8 |
17 |
27 |
31 |
30 |
31 |
31 |
30 |
29 |
17 |
9 |
Most recorded rainfall over 39 years |
in |
92.7 |
18.8 |
11.7 |
13.0 |
15.5 |
10.3 |
21.1 |
20.4 |
14.1 |
15.7 |
14.8 |
12.0 |
15.3 |
Least recorded rainfall over 39 years |
in |
28.5 |
0.6 |
0.5 |
0.8 |
0.4 |
0.1 |
0.3 |
1.7 |
0.9 |
0.4 |
- |
0.3 |
0.6 |
Average number of days with thunderstorms over 33 years |
days |
69 |
2 |
3 |
4 |
4 |
5 |
10 |
15 |
14 |
7 |
2 |
2 |
1 |
Average number of days with fog over 33 years |
days |
181 |
18 |
15 |
18 |
16 |
15 |
13 |
12 |
15 |
14 |
14 |
14 |
17 |
Average morning relative humidity over 20 years |
% |
82 |
84 |
84 |
82 |
80 |
78 |
79 |
81 |
83 |
83 |
81 |
83 |
85 |
Average evening relative humidity over 20 years |
% |
63 |
64 |
62 |
60 |
59 |
61 |
63 |
67 |
67 |
64 |
59 |
63 |
67 |
Average wind speed over 20 years |
mph |
9.0 |
10.0 |
10.0 |
11.0 |
11.0 |
10.0 |
9.0 |
8.0 |
6.0 |
8.0 |
8.0 |
10.0 |
9.0 |
Average number of days below 32°F over 39 years |
days |
15 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 27 years |
days |
106 |
8 |
9 |
9 |
10 |
9 |
7 |
4 |
6 |
10 |
14 |
11 |
8 |
Heating degree days over 30 years |
days |
1617 |
471 |
331 |
184 |
38 |
- |
- |
- |
- |
- |
39 |
183 |
371 |
Cooling degree days over 30 years |
days |
2636 |
25 |
12 |
42 |
116 |
295 |
459 |
530 |
512 |
402 |
172 |
51 |
20 |
Average possibility of sunshine over 5 years |
% |
60 |
48 |
53 |
61 |
63 |
67 |
67 |
57 |
58 |
60 |
71 |
64 |
49 |
Average number of cloudy days over 27 years |
days |
136 |
16 |
12 |
14 |
11 |
11 |
8 |
10 |
10 |
9 |
8 |
11 |
16 |
Average number of partly cloudy days over 27 years |
days |
123 |
7 |
7 |
8 |
9 |
11 |
15 |
17 |
15 |
11 |
9 |
8 |
7 |