Average temperature over 20 years |
°F |
50 |
28 |
30 |
35 |
46 |
55 |
62 |
69 |
73 |
66 |
55 |
44 |
35 |
Average high temperature over 55 years |
°F |
57 |
33 |
35 |
39 |
53 |
62 |
69 |
77 |
80 |
73 |
64 |
51 |
37 |
Average low temperature over 55 years |
°F |
41 |
19 |
19 |
26 |
36 |
44 |
55 |
64 |
66 |
57 |
44 |
36 |
26 |
Highest recorded temperature over 55 years |
°F |
96 |
55 |
51 |
68 |
78 |
84 |
87 |
93 |
96 |
96 |
80 |
75 |
69 |
Lowest recorded temperature over 55 years |
°F |
-11 |
-9 |
-11 |
0 |
10 |
30 |
39 |
46 |
48 |
39 |
28 |
15 |
-5 |
Average number of rainy days over 55 years |
days |
88.5 |
10.6 |
8.5 |
5.8 |
4.9 |
5.3 |
5.2 |
7.6 |
6.9 |
7.7 |
6.6 |
7.9 |
11.5 |
Average number of days above 90°F over 55 years |
days |
- |
- |
- |
- |
- |
- |
- |
- |
0.1 |
- |
- |
- |
- |
Average precipitation over 55 years |
in |
54.0 |
5.7 |
4.3 |
3.3 |
2.7 |
2.9 |
3.2 |
5.3 |
4.7 |
5.5 |
4.5 |
5.6 |
6.4 |
Average relative humidity over 55 years |
% |
78 |
81 |
79 |
75 |
72 |
74 |
80 |
83 |
82 |
80 |
77 |
76 |
79 |
Average dew point over 55 years |
°F |
42 |
21 |
21 |
24 |
35 |
44 |
55 |
64 |
66 |
59 |
46 |
36 |
26 |
Most recorded rainfall over 105 years |
in |
77.4 |
11.7 |
9.0 |
8.4 |
7.6 |
8.6 |
8.2 |
12.5 |
13.8 |
15.3 |
11.3 |
10.6 |
11.7 |
Least recorded rainfall over 105 years |
in |
37.1 |
2.1 |
1.4 |
1.1 |
0.8 |
1.0 |
0.6 |
0.4 |
0.1 |
1.2 |
0.5 |
1.5 |
1.6 |
Average number of days with thunderstorms over 18 years |
days |
8 |
- |
- |
- |
- |
1 |
1 |
2 |
2 |
1 |
1 |
- |
- |
Average number of days with fog over 18 years |
days |
66 |
- |
- |
1 |
6 |
8 |
15 |
16 |
12 |
4 |
2 |
1 |
1 |
Average morning relative humidity over 19 years |
% |
83 |
80 |
82 |
79 |
78 |
79 |
86 |
89 |
89 |
89 |
85 |
81 |
80 |
Average evening relative humidity over 20 years |
% |
66 |
73 |
70 |
61 |
56 |
58 |
69 |
72 |
69 |
64 |
61 |
64 |
71 |
Average wind speed over 20 years |
mph |
6.0 |
8.0 |
6.0 |
6.0 |
9.0 |
9.0 |
5.0 |
5.0 |
5.0 |
4.0 |
4.0 |
6.0 |
6.0 |
Average number of days below 32°F over 20 years |
days |
111 |
29 |
26 |
24 |
4 |
- |
- |
- |
- |
- |
- |
7 |
22 |
Average number of days above 65°F over 20 years |
days |
139 |
- |
- |
- |
2 |
12 |
23 |
30 |
31 |
29 |
12 |
1 |
- |