Average temperature over 20 years |
°F |
46 |
26 |
28 |
37 |
44 |
53 |
59 |
62 |
62 |
55 |
46 |
36 |
31 |
Average high temperature over 20 years |
°F |
53 |
31 |
34 |
43 |
53 |
62 |
68 |
71 |
71 |
62 |
53 |
41 |
35 |
Average low temperature over 20 years |
°F |
37 |
21 |
23 |
30 |
36 |
44 |
50 |
53 |
53 |
46 |
39 |
32 |
26 |
Highest recorded temperature over 20 years |
°F |
102 |
53 |
64 |
71 |
78 |
84 |
86 |
91 |
102 |
86 |
75 |
60 |
62 |
Lowest recorded temperature over 20 years |
°F |
-29 |
-29 |
-18 |
-7 |
16 |
24 |
30 |
39 |
34 |
24 |
17 |
1 |
-9 |
Average precipitation over 44 years |
in |
22.2 |
1.1 |
1.0 |
1.1 |
1.5 |
2.4 |
3.1 |
3.3 |
2.7 |
1.8 |
1.5 |
1.4 |
1.3 |
Average dew point over 19 years |
°F |
39 |
24 |
24 |
30 |
36 |
44 |
51 |
53 |
53 |
48 |
41 |
33 |
28 |
Average number of days above 70°F over 20 years |
days |
70 |
- |
- |
- |
1 |
9 |
13 |
18 |
19 |
7 |
1 |
- |
- |
Average number of days with thunderstorms over 19 years |
days |
21 |
- |
- |
- |
1 |
5 |
5 |
5 |
4 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
283 |
27 |
23 |
25 |
22 |
18 |
20 |
22 |
23 |
26 |
25 |
25 |
27 |
Average morning relative humidity over 19 years |
% |
89 |
90 |
90 |
90 |
86 |
82 |
83 |
85 |
88 |
93 |
93 |
93 |
91 |
Average evening relative humidity over 19 years |
% |
70 |
84 |
77 |
67 |
58 |
58 |
60 |
60 |
58 |
67 |
74 |
85 |
88 |
Average wind speed over 19 years |
mph |
9.0 |
11.0 |
9.0 |
8.0 |
8.0 |
6.0 |
8.0 |
8.0 |
8.0 |
9.0 |
6.0 |
10.0 |
11.0 |
Average number of days above 60°F over 20 years |
days |
138 |
- |
- |
2 |
6 |
20 |
25 |
29 |
29 |
19 |
7 |
- |
- |
Average number of days below 32°F over 20 years |
days |
131 |
27 |
24 |
21 |
10 |
2 |
- |
- |
- |
1 |
7 |
16 |
23 |
Average number of days with precipitation over 19 years |
days |
195 |
20 |
17 |
16 |
15 |
15 |
15 |
15 |
13 |
14 |
14 |
19 |
22 |
Average number of days with freezing rain over 19 years |
days |
5 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Average number of days with snow over 19 years |
days |
59 |
14 |
13 |
8 |
3 |
- |
- |
- |
- |
- |
1 |
7 |
13 |
Average number of days with blowing dust/sand over 19 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with blowing snow over 19 years |
days |
5 |
2 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days with smoke/haze over 19 years |
days |
20 |
1 |
2 |
4 |
3 |
- |
- |
1 |
3 |
3 |
2 |
1 |
- |
Average number of days below 0°F over 20 years |
days |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with vision obstruction over 19 years |
days |
286 |
27 |
24 |
25 |
22 |
19 |
20 |
22 |
23 |
26 |
25 |
26 |
27 |