Average temperature over 20 years |
°F |
46 |
30 |
32 |
39 |
44 |
53 |
59 |
64 |
62 |
57 |
48 |
37 |
33 |
Average high temperature over 20 years |
°F |
55 |
36 |
37 |
48 |
53 |
62 |
68 |
71 |
73 |
66 |
55 |
44 |
37 |
Average low temperature over 20 years |
°F |
39 |
24 |
24 |
32 |
36 |
44 |
50 |
53 |
53 |
48 |
39 |
32 |
26 |
Highest recorded temperature over 20 years |
°F |
96 |
62 |
69 |
73 |
80 |
86 |
93 |
96 |
95 |
86 |
78 |
66 |
69 |
Lowest recorded temperature over 20 years |
°F |
-16 |
-16 |
-9 |
3 |
21 |
26 |
36 |
39 |
39 |
32 |
21 |
6 |
-5 |
Average number of days above 90°F over 20 years |
days |
1 |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
Average precipitation over 142 years |
in |
36.5 |
1.9 |
1.7 |
2.1 |
2.8 |
4.0 |
4.9 |
5.0 |
4.4 |
3.3 |
2.4 |
2.1 |
2.0 |
Average dew point over 20 years |
°F |
39 |
26 |
26 |
32 |
35 |
44 |
50 |
53 |
53 |
48 |
42 |
33 |
28 |
Most recorded rainfall over 142 years |
in |
48.9 |
6.3 |
6.0 |
5.6 |
6.1 |
13.0 |
10.0 |
11.7 |
9.6 |
11.5 |
7.7 |
6.3 |
5.5 |
Least recorded rainfall over 142 years |
in |
25.0 |
0.3 |
0.3 |
0.2 |
- |
0.4 |
1.3 |
0.7 |
1.4 |
0.2 |
- |
0.2 |
0.3 |
Average number of days with thunderstorms over 19 years |
days |
33 |
- |
- |
1 |
2 |
6 |
7 |
7 |
7 |
3 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
179 |
17 |
17 |
15 |
12 |
11 |
11 |
10 |
15 |
17 |
20 |
18 |
16 |
Average morning relative humidity over 20 years |
% |
88 |
88 |
90 |
87 |
86 |
84 |
85 |
84 |
89 |
91 |
92 |
90 |
89 |
Average evening relative humidity over 20 years |
% |
66 |
80 |
74 |
62 |
57 |
55 |
58 |
55 |
55 |
61 |
71 |
80 |
81 |
Average wind speed over 20 years |
mph |
11.0 |
16.0 |
13.0 |
13.0 |
11.0 |
8.0 |
10.0 |
10.0 |
9.0 |
10.0 |
11.0 |
13.0 |
14.0 |
Average number of days below 32°F over 20 years |
days |
123 |
25 |
23 |
18 |
10 |
1 |
- |
- |
- |
- |
5 |
17 |
24 |
Average number of days above 65°F over 20 years |
days |
108 |
- |
- |
1 |
4 |
14 |
18 |
25 |
25 |
16 |
5 |
- |
- |
Average number of days below 5°F over 20 years |
days |
5 |
2 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |