Average temperature over 18 years |
°F |
50 |
37 |
37 |
43 |
46 |
53 |
60 |
62 |
62 |
57 |
51 |
43 |
39 |
Average high temperature over 18 years |
°F |
57 |
41 |
43 |
48 |
53 |
62 |
68 |
71 |
71 |
66 |
57 |
48 |
43 |
Average low temperature over 18 years |
°F |
43 |
33 |
32 |
36 |
39 |
46 |
51 |
53 |
53 |
50 |
44 |
37 |
36 |
Highest recorded temperature over 18 years |
°F |
93 |
62 |
62 |
71 |
75 |
84 |
93 |
93 |
93 |
86 |
78 |
66 |
62 |
Lowest recorded temperature over 18 years |
°F |
-5 |
-5 |
10 |
19 |
24 |
30 |
34 |
37 |
39 |
32 |
24 |
16 |
6 |
Average dew point over 18 years |
°F |
44 |
34 |
33 |
37 |
39 |
46 |
53 |
55 |
55 |
51 |
46 |
39 |
37 |
Average number of days above 70°F over 18 years |
days |
66 |
- |
- |
- |
1 |
7 |
12 |
18 |
19 |
8 |
2 |
- |
- |
Average number of days with thunderstorms over 17 years |
days |
21 |
- |
- |
1 |
1 |
4 |
5 |
4 |
3 |
2 |
1 |
- |
- |
Average number of days with fog over 17 years |
days |
242 |
21 |
20 |
20 |
18 |
17 |
19 |
20 |
21 |
21 |
23 |
21 |
21 |
Average morning relative humidity over 18 years |
% |
93 |
91 |
90 |
92 |
91 |
92 |
94 |
94 |
94 |
95 |
94 |
92 |
91 |
Average evening relative humidity over 18 years |
% |
73 |
85 |
78 |
76 |
67 |
65 |
66 |
64 |
62 |
69 |
75 |
82 |
86 |
Average wind speed over 17 years |
mph |
10.0 |
13.0 |
12.0 |
12.0 |
9.0 |
8.0 |
6.0 |
8.0 |
8.0 |
9.0 |
9.0 |
12.0 |
12.0 |
Average number of days above 60°F over 18 years |
days |
154 |
- |
- |
2 |
8 |
18 |
26 |
30 |
31 |
26 |
12 |
1 |
- |
Average number of days below 32°F over 18 years |
days |
63 |
13 |
14 |
10 |
5 |
- |
- |
- |
- |
- |
1 |
8 |
12 |
Average number of days with precipitation over 17 years |
days |
225 |
23 |
17 |
20 |
19 |
19 |
18 |
18 |
16 |
16 |
19 |
19 |
21 |
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 |
3 |
2 |
- |
- |
- |
- |
- |
- |
2 |
4 |
Average number of days with blowing dust/sand over 17 years |
days |
4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with blowing snow over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with smoke/haze over 17 years |
days |
57 |
2 |
5 |
6 |
6 |
5 |
5 |
6 |
8 |
6 |
4 |
3 |
1 |
Average number of days with sleet over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with vision obstruction over 17 years |
days |
246 |
22 |
20 |
21 |
19 |
17 |
19 |
20 |
21 |
21 |
23 |
21 |
22 |