Average temperature over 21 years |
°F |
50 |
30 |
34 |
42 |
50 |
57 |
64 |
68 |
68 |
62 |
53 |
39 |
33 |
Average high temperature over 21 years |
°F |
57 |
36 |
39 |
48 |
57 |
66 |
73 |
78 |
78 |
71 |
60 |
46 |
37 |
Average low temperature over 21 years |
°F |
42 |
24 |
26 |
34 |
41 |
48 |
55 |
57 |
57 |
51 |
44 |
34 |
28 |
Highest recorded temperature over 21 years |
°F |
100 |
60 |
68 |
77 |
84 |
89 |
96 |
100 |
98 |
91 |
91 |
73 |
62 |
Lowest recorded temperature over 21 years |
°F |
-11 |
-11 |
-9 |
6 |
24 |
32 |
39 |
36 |
39 |
30 |
23 |
6 |
3 |
Average number of days above 90°F over 21 years |
days |
5 |
- |
- |
- |
- |
- |
1 |
2 |
2 |
- |
- |
- |
- |
Average precipitation over 40 years |
in |
22.8 |
1.3 |
1.4 |
1.5 |
2.1 |
2.7 |
3.1 |
2.2 |
1.7 |
1.6 |
1.4 |
2.0 |
1.7 |
Average dew point over 20 years |
°F |
39 |
23 |
24 |
30 |
37 |
46 |
51 |
53 |
53 |
48 |
41 |
32 |
26 |
Most recorded rainfall over 40 years |
in |
28.6 |
3.6 |
3.3 |
3.1 |
4.8 |
5.6 |
8.0 |
4.1 |
3.7 |
6.2 |
5.1 |
3.7 |
6.7 |
Least recorded rainfall over 40 years |
in |
16.3 |
- |
0.2 |
0.2 |
0.1 |
1.2 |
0.4 |
0.5 |
0.2 |
0.1 |
- |
0.2 |
0.2 |
Average number of days with thunderstorms over 21 years |
days |
28 |
- |
- |
- |
2 |
6 |
7 |
6 |
4 |
2 |
1 |
- |
- |
Average number of days with fog over 21 years |
days |
172 |
18 |
14 |
15 |
9 |
13 |
11 |
12 |
12 |
13 |
16 |
19 |
20 |
Average morning relative humidity over 20 years |
% |
80 |
79 |
77 |
78 |
77 |
82 |
82 |
79 |
78 |
80 |
81 |
83 |
81 |
Average evening relative humidity over 20 years |
% |
57 |
69 |
63 |
55 |
51 |
54 |
53 |
47 |
46 |
47 |
57 |
71 |
73 |
Average wind speed over 21 years |
mph |
9.0 |
9.0 |
8.0 |
8.0 |
10.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
6.0 |
9.0 |
10.0 |
Average number of days below 32°F over 21 years |
days |
102 |
27 |
21 |
13 |
2 |
- |
- |
- |
- |
- |
2 |
13 |
23 |
Average number of days above 65°F over 21 years |
days |
149 |
- |
- |
3 |
8 |
18 |
26 |
30 |
29 |
24 |
11 |
1 |
- |
Average number of days below 5°F over 21 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |