Average temperature over 34 years |
°F |
68 |
51 |
53 |
60 |
69 |
75 |
80 |
82 |
82 |
78 |
69 |
60 |
53 |
Average high temperature over 34 years |
°F |
77 |
60 |
64 |
71 |
78 |
84 |
89 |
91 |
91 |
87 |
80 |
71 |
62 |
Average low temperature over 34 years |
°F |
57 |
42 |
44 |
51 |
59 |
66 |
71 |
73 |
73 |
69 |
57 |
50 |
44 |
Highest recorded temperature over 34 years |
°F |
102 |
82 |
82 |
86 |
95 |
96 |
98 |
102 |
102 |
100 |
93 |
87 |
82 |
Lowest recorded temperature over 34 years |
°F |
10 |
15 |
21 |
24 |
34 |
48 |
55 |
60 |
59 |
46 |
30 |
23 |
10 |
Average number of rainy days over 32 years |
days |
103 |
10 |
8 |
8 |
7 |
8 |
9 |
11 |
11 |
9 |
6 |
8 |
9 |
Average number of days above 90°F over 34 years |
days |
74 |
- |
- |
- |
- |
2 |
14 |
23 |
22 |
11 |
1 |
- |
- |
Average precipitation over 34 years |
in |
55.6 |
5.1 |
3.4 |
3.4 |
3.7 |
5.4 |
5.6 |
5.1 |
5.3 |
5.4 |
3.9 |
4.4 |
4.9 |
Average dew point over 34 years |
°F |
59 |
43 |
44 |
51 |
59 |
66 |
71 |
73 |
73 |
69 |
59 |
51 |
46 |
Average number of days above 70°F over 34 years |
days |
272 |
7 |
9 |
19 |
28 |
31 |
30 |
31 |
31 |
30 |
29 |
18 |
10 |
Most recorded rainfall over 34 years |
in |
75.8 |
14.3 |
6.8 |
9.0 |
10.9 |
14.8 |
25.3 |
13.2 |
17.4 |
20.0 |
17.3 |
14.1 |
13.3 |
Least recorded rainfall over 34 years |
in |
34.8 |
0.8 |
0.6 |
0.3 |
0.5 |
0.3 |
0.8 |
0.5 |
0.8 |
0.4 |
- |
0.1 |
2.1 |
Average number of days with thunderstorms over 34 years |
days |
77 |
3 |
3 |
4 |
5 |
8 |
10 |
14 |
13 |
8 |
3 |
3 |
3 |
Average number of days with fog over 34 years |
days |
196 |
18 |
16 |
18 |
17 |
18 |
13 |
11 |
16 |
17 |
18 |
16 |
18 |
Average morning relative humidity over 34 years |
% |
91 |
87 |
87 |
89 |
91 |
93 |
93 |
94 |
94 |
93 |
91 |
89 |
88 |
Average evening relative humidity over 34 years |
% |
60 |
64 |
59 |
59 |
59 |
60 |
62 |
64 |
62 |
60 |
52 |
57 |
63 |
Average wind speed over 34 years |
mph |
10.0 |
11.0 |
11.0 |
11.0 |
11.0 |
11.0 |
9.0 |
8.0 |
6.0 |
6.0 |
8.0 |
10.0 |
11.0 |
Average number of days below 32°F over 34 years |
days |
14 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 32 years |
days |
98 |
7 |
8 |
7 |
7 |
7 |
8 |
6 |
7 |
9 |
13 |
10 |
8 |
Heating degree days over 30 years |
days |
1616 |
467 |
328 |
178 |
40 |
- |
- |
- |
- |
- |
35 |
193 |
375 |
Cooling degree days over 30 years |
days |
2650 |
15 |
12 |
45 |
139 |
307 |
459 |
533 |
524 |
381 |
162 |
55 |
18 |
Average possibility of sunshine over 12 years |
% |
69 |
55 |
60 |
71 |
71 |
70 |
77 |
80 |
78 |
76 |
72 |
62 |
53 |
Average number of cloudy days over 32 years |
days |
152 |
19 |
15 |
16 |
15 |
12 |
9 |
11 |
9 |
10 |
9 |
12 |
16 |
Average number of partly cloudy days over 32 years |
days |
115 |
5 |
5 |
8 |
8 |
12 |
13 |
14 |
15 |
11 |
9 |
8 |
7 |