Average temperature over 20 years |
°F |
46 |
32 |
33 |
37 |
43 |
51 |
57 |
62 |
62 |
57 |
48 |
41 |
36 |
Average high temperature over 20 years |
°F |
51 |
35 |
36 |
43 |
48 |
57 |
62 |
66 |
68 |
62 |
53 |
44 |
37 |
Average low temperature over 20 years |
°F |
42 |
28 |
28 |
34 |
37 |
46 |
53 |
57 |
57 |
51 |
44 |
37 |
32 |
Highest recorded temperature over 20 years |
°F |
98 |
55 |
62 |
69 |
78 |
87 |
89 |
95 |
98 |
87 |
78 |
68 |
68 |
Lowest recorded temperature over 20 years |
°F |
-4 |
-4 |
1 |
5 |
21 |
30 |
32 |
32 |
39 |
32 |
26 |
17 |
- |
Average dew point over 19 years |
°F |
41 |
28 |
28 |
32 |
36 |
44 |
51 |
55 |
55 |
50 |
44 |
36 |
31 |
Average number of days above 70°F over 20 years |
days |
32 |
- |
- |
- |
1 |
4 |
5 |
9 |
10 |
4 |
- |
- |
- |
Average number of days with thunderstorms over 19 years |
days |
10 |
- |
- |
- |
- |
2 |
3 |
2 |
2 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
248 |
24 |
21 |
23 |
20 |
18 |
18 |
17 |
18 |
20 |
23 |
22 |
24 |
Average morning relative humidity over 19 years |
% |
86 |
88 |
87 |
87 |
84 |
81 |
83 |
83 |
86 |
88 |
90 |
88 |
87 |
Average evening relative humidity over 19 years |
% |
75 |
84 |
78 |
74 |
71 |
68 |
71 |
71 |
69 |
72 |
76 |
82 |
85 |
Average wind speed over 19 years |
mph |
9.0 |
11.0 |
6.0 |
10.0 |
9.0 |
9.0 |
9.0 |
9.0 |
8.0 |
10.0 |
8.0 |
6.0 |
9.0 |
Average number of days above 60°F over 20 years |
days |
117 |
- |
- |
- |
3 |
10 |
20 |
29 |
30 |
19 |
5 |
- |
- |
Average number of days below 32°F over 20 years |
days |
74 |
18 |
18 |
12 |
4 |
- |
- |
- |
- |
- |
2 |
7 |
14 |
Average number of days with precipitation over 19 years |
days |
178 |
20 |
15 |
15 |
13 |
12 |
12 |
14 |
11 |
14 |
15 |
18 |
19 |
Average number of days with freezing rain over 19 years |
days |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days with snow over 19 years |
days |
36 |
11 |
8 |
5 |
2 |
- |
- |
- |
- |
- |
- |
3 |
7 |
Average number of days with blowing dust/sand over 19 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with blowing snow over 19 years |
days |
2 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with smoke/haze over 19 years |
days |
33 |
1 |
4 |
7 |
4 |
3 |
2 |
2 |
3 |
3 |
3 |
1 |
- |
Average number of days with vision obstruction over 19 years |
days |
256 |
25 |
22 |
24 |
21 |
19 |
18 |
18 |
19 |
20 |
24 |
22 |
24 |