Average temperature over 18 years |
°F |
50 |
37 |
37 |
42 |
46 |
53 |
57 |
62 |
62 |
57 |
51 |
44 |
41 |
Average high temperature over 18 years |
°F |
55 |
42 |
42 |
46 |
51 |
60 |
64 |
68 |
69 |
64 |
57 |
48 |
44 |
Average low temperature over 18 years |
°F |
44 |
34 |
32 |
37 |
39 |
46 |
51 |
55 |
55 |
51 |
46 |
39 |
37 |
Highest recorded temperature over 18 years |
°F |
93 |
55 |
59 |
69 |
73 |
82 |
87 |
89 |
93 |
82 |
75 |
62 |
59 |
Lowest recorded temperature over 18 years |
°F |
5 |
5 |
8 |
16 |
24 |
30 |
37 |
43 |
43 |
37 |
26 |
21 |
14 |
Average dew point over 17 years |
°F |
44 |
34 |
32 |
37 |
39 |
46 |
51 |
55 |
55 |
51 |
46 |
41 |
37 |
Average number of days above 70°F over 18 years |
days |
37 |
- |
- |
- |
1 |
4 |
7 |
9 |
12 |
4 |
1 |
- |
- |
Average number of days with thunderstorms over 17 years |
days |
30 |
1 |
- |
1 |
1 |
4 |
4 |
4 |
4 |
4 |
3 |
3 |
1 |
Average number of days with fog over 17 years |
days |
240 |
20 |
19 |
21 |
18 |
21 |
19 |
19 |
20 |
20 |
22 |
19 |
22 |
Average morning relative humidity over 17 years |
% |
87 |
87 |
88 |
89 |
86 |
85 |
84 |
84 |
87 |
89 |
89 |
88 |
88 |
Average evening relative humidity over 17 years |
% |
76 |
84 |
78 |
77 |
70 |
68 |
70 |
71 |
69 |
74 |
78 |
82 |
86 |
Average wind speed over 17 years |
mph |
12.0 |
11.0 |
11.0 |
17.0 |
10.0 |
11.0 |
11.0 |
12.0 |
11.0 |
14.0 |
10.0 |
10.0 |
12.0 |
Average number of days above 60°F over 18 years |
days |
133 |
- |
- |
1 |
4 |
14 |
21 |
29 |
30 |
25 |
9 |
- |
- |
Average number of days below 32°F over 18 years |
days |
50 |
11 |
14 |
8 |
3 |
- |
- |
- |
- |
- |
- |
5 |
9 |
Average number of days with precipitation over 17 years |
days |
248 |
25 |
17 |
22 |
19 |
19 |
19 |
19 |
18 |
20 |
22 |
23 |
25 |
Average number of days with freezing rain over 17 years |
days |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days with snow over 17 years |
days |
22 |
6 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
2 |
4 |
Average number of days with blowing dust/sand over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with blowing snow over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with smoke/haze over 17 years |
days |
151 |
9 |
14 |
14 |
14 |
14 |
14 |
12 |
14 |
14 |
13 |
10 |
9 |
Average number of days with sleet over 17 years |
days |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
Average number of days with vision obstruction over 17 years |
days |
257 |
22 |
22 |
23 |
21 |
23 |
20 |
20 |
21 |
21 |
22 |
19 |
23 |