Average temperature over 19 years |
°F |
44 |
26 |
26 |
34 |
44 |
53 |
59 |
62 |
60 |
53 |
44 |
36 |
28 |
Average high temperature over 19 years |
°F |
51 |
28 |
31 |
39 |
51 |
62 |
68 |
69 |
69 |
60 |
51 |
39 |
33 |
Average low temperature over 19 years |
°F |
37 |
21 |
21 |
28 |
35 |
44 |
50 |
53 |
51 |
46 |
39 |
32 |
24 |
Highest recorded temperature over 19 years |
°F |
91 |
53 |
62 |
68 |
75 |
86 |
86 |
91 |
89 |
82 |
73 |
55 |
51 |
Lowest recorded temperature over 19 years |
°F |
-29 |
-29 |
-14 |
-9 |
17 |
24 |
34 |
41 |
37 |
24 |
14 |
3 |
-14 |
Average precipitation over 40 years |
in |
23.0 |
1.3 |
1.1 |
1.3 |
1.4 |
2.0 |
2.9 |
3.1 |
2.8 |
2.1 |
1.8 |
1.7 |
1.6 |
Average dew point over 18 years |
°F |
37 |
21 |
21 |
28 |
35 |
44 |
51 |
55 |
53 |
48 |
39 |
33 |
26 |
Most recorded rainfall over 40 years |
in |
33.8 |
4.3 |
2.3 |
3.2 |
2.7 |
4.4 |
8.9 |
7.0 |
9.2 |
5.9 |
7.9 |
3.3 |
3.5 |
Least recorded rainfall over 40 years |
in |
14.4 |
0.5 |
- |
0.2 |
0.2 |
0.7 |
0.7 |
0.5 |
0.5 |
0.5 |
- |
0.5 |
0.4 |
Average number of days with thunderstorms over 19 years |
days |
19 |
- |
- |
- |
1 |
4 |
5 |
5 |
3 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
263 |
22 |
21 |
22 |
21 |
19 |
19 |
20 |
24 |
23 |
25 |
23 |
24 |
Average morning relative humidity over 18 years |
% |
87 |
89 |
89 |
89 |
83 |
78 |
81 |
84 |
88 |
92 |
92 |
92 |
91 |
Average evening relative humidity over 18 years |
% |
72 |
85 |
80 |
70 |
59 |
57 |
62 |
64 |
62 |
69 |
78 |
87 |
88 |
Average wind speed over 19 years |
mph |
8.0 |
9.0 |
10.0 |
9.0 |
9.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
8.0 |
6.0 |
10.0 |
Average number of days below 32°F over 19 years |
days |
131 |
25 |
24 |
22 |
12 |
2 |
- |
- |
- |
1 |
7 |
14 |
24 |
Average number of days above 65°F over 19 years |
days |
93 |
- |
- |
- |
2 |
14 |
19 |
23 |
23 |
9 |
2 |
- |
- |
Average number of days below 5°F over 19 years |
days |
11 |
4 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Average number of days above 80°F over 19 years |
days |
9 |
- |
- |
- |
- |
1 |
2 |
2 |
3 |
- |
- |
- |
- |