Average temperature over 48 years |
°F |
68 |
51 |
55 |
60 |
66 |
73 |
80 |
82 |
80 |
78 |
69 |
60 |
53 |
Average high temperature over 48 years |
°F |
78 |
64 |
66 |
73 |
80 |
86 |
89 |
91 |
91 |
87 |
80 |
71 |
66 |
Average low temperature over 48 years |
°F |
55 |
39 |
42 |
48 |
53 |
62 |
69 |
71 |
71 |
68 |
57 |
46 |
41 |
Highest recorded temperature over 48 years |
°F |
102 |
82 |
89 |
89 |
95 |
102 |
102 |
102 |
102 |
98 |
93 |
87 |
84 |
Lowest recorded temperature over 48 years |
°F |
6 |
6 |
14 |
19 |
28 |
34 |
46 |
57 |
57 |
39 |
30 |
12 |
10 |
Average number of rainy days over 32 years |
days |
115 |
10 |
9 |
9 |
7 |
9 |
12 |
16 |
15 |
9 |
5 |
7 |
8 |
Average number of days above 90°F over 48 years |
days |
87 |
- |
- |
- |
1 |
8 |
19 |
22 |
21 |
14 |
2 |
- |
- |
Average precipitation over 48 years |
in |
63.5 |
4.7 |
4.9 |
6.2 |
4.0 |
4.6 |
7.0 |
8.6 |
7.0 |
5.5 |
3.2 |
3.5 |
4.3 |
Average dew point over 48 years |
°F |
57 |
42 |
44 |
48 |
55 |
62 |
69 |
71 |
71 |
69 |
57 |
48 |
44 |
Most recorded rainfall over 48 years |
in |
104.0 |
18.9 |
11.5 |
16.5 |
13.1 |
11.7 |
17.4 |
20.1 |
15.7 |
20.3 |
12.3 |
10.4 |
12.6 |
Least recorded rainfall over 48 years |
in |
31.0 |
0.2 |
0.8 |
1.0 |
0.3 |
- |
2.1 |
2.3 |
2.4 |
0.1 |
- |
0.4 |
0.9 |
Average number of days with thunderstorms over 48 years |
days |
83 |
2 |
2 |
4 |
4 |
8 |
14 |
19 |
16 |
8 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
208 |
17 |
16 |
18 |
17 |
19 |
18 |
17 |
19 |
18 |
16 |
16 |
17 |
Average morning relative humidity over 48 years |
% |
90 |
87 |
87 |
88 |
89 |
89 |
91 |
93 |
94 |
92 |
90 |
89 |
87 |
Average evening relative humidity over 48 years |
% |
55 |
54 |
51 |
49 |
46 |
50 |
58 |
66 |
64 |
60 |
51 |
52 |
55 |
Average wind speed over 48 years |
mph |
8.0 |
8.0 |
9.0 |
10.0 |
10.0 |
9.0 |
8.0 |
6.0 |
5.0 |
8.0 |
6.0 |
8.0 |
8.0 |
Average number of days below 32°F over 48 years |
days |
30 |
9 |
6 |
2 |
- |
- |
- |
- |
- |
- |
- |
4 |
8 |
Average number of clear days over 32 years |
days |
102 |
9 |
8 |
9 |
11 |
9 |
6 |
4 |
5 |
8 |
14 |
11 |
9 |
Heating degree days over 30 years |
days |
1705 |
471 |
344 |
191 |
59 |
- |
- |
- |
- |
- |
48 |
203 |
389 |
Cooling degree days over 30 years |
days |
2518 |
21 |
13 |
42 |
98 |
267 |
438 |
505 |
505 |
399 |
163 |
44 |
23 |
Average number of cloudy days over 32 years |
days |
134 |
15 |
13 |
13 |
9 |
9 |
9 |
10 |
10 |
10 |
9 |
11 |
14 |
Average number of partly cloudy days over 32 years |
days |
129 |
7 |
7 |
9 |
10 |
13 |
15 |
17 |
16 |
12 |
8 |
8 |
8 |
Average number of days above 80°F over 48 years |
days |
200 |
1 |
1 |
8 |
18 |
28 |
29 |
31 |
31 |
28 |
19 |
6 |
1 |
Average number of days below 45°F over 48 years |
days |
97 |
21 |
17 |
13 |
7 |
1 |
- |
- |
- |
- |
5 |
14 |
20 |