Average temperature over 40 years |
°F |
80 |
77 |
77 |
78 |
80 |
80 |
82 |
82 |
82 |
82 |
82 |
80 |
78 |
Average high temperature over 40 years |
°F |
86 |
82 |
84 |
84 |
86 |
87 |
89 |
87 |
89 |
89 |
87 |
86 |
84 |
Average low temperature over 40 years |
°F |
73 |
69 |
69 |
71 |
73 |
73 |
75 |
75 |
75 |
75 |
75 |
73 |
71 |
Highest recorded temperature over 40 years |
°F |
98 |
91 |
96 |
96 |
96 |
96 |
96 |
95 |
96 |
96 |
98 |
96 |
93 |
Lowest recorded temperature over 40 years |
°F |
60 |
60 |
62 |
60 |
64 |
66 |
69 |
69 |
69 |
69 |
66 |
66 |
62 |
Average number of rainy days over 38 years |
days |
196 |
17 |
13 |
12 |
13 |
17 |
15 |
19 |
18 |
17 |
17 |
18 |
19 |
Average precipitation over 40 years |
in |
52.9 |
3.0 |
2.2 |
2.3 |
3.7 |
6.1 |
4.4 |
4.5 |
5.3 |
5.3 |
5.5 |
5.8 |
4.7 |
Average dew point over 41 years |
°F |
71 |
66 |
66 |
66 |
69 |
71 |
73 |
73 |
73 |
73 |
73 |
71 |
69 |
Most recorded rainfall over 40 years |
in |
74.5 |
7.6 |
6.7 |
5.4 |
10.4 |
15.0 |
11.0 |
9.3 |
11.3 |
14.8 |
15.1 |
16.0 |
16.8 |
Least recorded rainfall over 40 years |
in |
35.5 |
0.6 |
0.2 |
0.7 |
0.3 |
0.4 |
0.3 |
1.1 |
1.8 |
1.7 |
1.2 |
1.9 |
0.7 |
Average number of days with thunderstorms over 40 years |
days |
42 |
- |
- |
- |
1 |
5 |
5 |
5 |
6 |
8 |
8 |
3 |
1 |
Average number of days with fog over 40 years |
days |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average morning relative humidity over 41 years |
% |
85 |
83 |
83 |
82 |
82 |
85 |
86 |
85 |
86 |
86 |
87 |
86 |
84 |
Average evening relative humidity over 41 years |
% |
68 |
67 |
65 |
64 |
65 |
69 |
69 |
70 |
70 |
71 |
71 |
71 |
69 |
Average wind speed over 41 years |
mph |
12.0 |
12.0 |
12.0 |
13.0 |
12.0 |
12.0 |
10.0 |
13.0 |
13.0 |
12.0 |
11.0 |
11.0 |
12.0 |
Average number of clear days over 38 years |
days |
70 |
9 |
7 |
9 |
7 |
3 |
4 |
5 |
5 |
4 |
4 |
5 |
7 |
Average number of days above 95°F over 40 years |
days |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Cooling degree days over 30 years |
days |
5558 |
372 |
339 |
403 |
432 |
493 |
519 |
546 |
549 |
525 |
524 |
450 |
406 |
Average possibility of sunshine over 38 years |
% |
66 |
68 |
71 |
76 |
71 |
63 |
64 |
68 |
67 |
62 |
63 |
61 |
60 |
Average number of cloudy days over 38 years |
days |
90 |
4 |
4 |
4 |
6 |
12 |
10 |
9 |
8 |
9 |
10 |
7 |
6 |
Average number of partly cloudy days over 38 years |
days |
205 |
18 |
17 |
18 |
17 |
16 |
16 |
17 |
18 |
17 |
17 |
18 |
18 |
Average number of days above 85°F over 40 years |
days |
262 |
8 |
9 |
15 |
20 |
26 |
29 |
30 |
30 |
29 |
30 |
23 |
12 |
Average number of days below 75°F over 40 years |
days |
250 |
31 |
28 |
30 |
27 |
22 |
13 |
10 |
9 |
11 |
16 |
24 |
29 |
Average number of days below 65°F over 40 years |
days |
5 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |