Average temperature over 21 years |
°F |
46 |
26 |
28 |
39 |
48 |
57 |
62 |
64 |
64 |
59 |
48 |
37 |
30 |
Average high temperature over 21 years |
°F |
55 |
30 |
35 |
48 |
57 |
66 |
71 |
73 |
75 |
68 |
57 |
42 |
34 |
Average low temperature over 21 years |
°F |
39 |
21 |
23 |
32 |
39 |
48 |
53 |
55 |
55 |
48 |
39 |
31 |
24 |
Highest recorded temperature over 21 years |
°F |
98 |
51 |
60 |
78 |
82 |
87 |
91 |
98 |
91 |
87 |
80 |
66 |
69 |
Lowest recorded temperature over 21 years |
°F |
-13 |
-13 |
-5 |
1 |
19 |
28 |
36 |
44 |
42 |
28 |
17 |
1 |
-2 |
Average number of days above 90°F over 21 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average precipitation over 158 years |
in |
23.5 |
1.0 |
0.9 |
1.1 |
1.9 |
3.0 |
3.5 |
3.2 |
2.9 |
1.7 |
1.6 |
1.2 |
1.1 |
Average dew point over 20 years |
°F |
39 |
21 |
24 |
31 |
37 |
48 |
53 |
55 |
55 |
50 |
42 |
32 |
26 |
Most recorded rainfall over 158 years |
in |
47.8 |
4.0 |
3.4 |
4.5 |
6.8 |
8.1 |
8.8 |
8.1 |
9.5 |
6.5 |
7.6 |
4.6 |
3.1 |
Least recorded rainfall over 158 years |
in |
12.7 |
- |
- |
- |
0.2 |
0.5 |
0.9 |
0.4 |
- |
- |
0.1 |
- |
- |
Average number of days with thunderstorms over 19 years |
days |
46 |
- |
- |
- |
3 |
9 |
11 |
11 |
9 |
2 |
1 |
- |
- |
Average number of days with fog over 19 years |
days |
202 |
25 |
21 |
17 |
11 |
9 |
10 |
10 |
13 |
17 |
21 |
23 |
25 |
Average morning relative humidity over 20 years |
% |
92 |
91 |
90 |
87 |
88 |
92 |
94 |
94 |
94 |
95 |
94 |
93 |
92 |
Average evening relative humidity over 20 years |
% |
64 |
80 |
70 |
57 |
56 |
58 |
61 |
58 |
56 |
57 |
62 |
76 |
83 |
Average wind speed over 20 years |
mph |
5.0 |
5.0 |
5.0 |
5.0 |
10.0 |
5.0 |
5.0 |
5.0 |
4.0 |
4.0 |
5.0 |
5.0 |
5.0 |
Average number of days below 32°F over 21 years |
days |
123 |
29 |
25 |
17 |
3 |
- |
- |
- |
- |
- |
5 |
18 |
26 |
Average number of days above 65°F over 21 years |
days |
130 |
- |
- |
2 |
5 |
18 |
23 |
28 |
28 |
19 |
6 |
- |
- |
Average number of days below 5°F over 21 years |
days |
7 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |