Average temperature over 48 years |
°F |
50 |
26 |
28 |
37 |
48 |
59 |
68 |
71 |
71 |
64 |
53 |
41 |
31 |
Average high temperature over 48 years |
°F |
59 |
33 |
36 |
46 |
59 |
69 |
78 |
82 |
80 |
73 |
62 |
48 |
37 |
Average low temperature over 48 years |
°F |
39 |
17 |
19 |
28 |
37 |
48 |
57 |
62 |
60 |
53 |
42 |
33 |
23 |
Highest recorded temperature over 48 years |
°F |
100 |
69 |
68 |
80 |
87 |
93 |
100 |
100 |
98 |
98 |
86 |
80 |
75 |
Lowest recorded temperature over 48 years |
°F |
-25 |
-25 |
-13 |
-2 |
10 |
24 |
32 |
43 |
41 |
32 |
19 |
0 |
-16 |
Average number of rainy days over 45 years |
days |
155 |
16 |
14 |
16 |
14 |
13 |
11 |
11 |
10 |
10 |
10 |
14 |
16 |
Average number of days above 90°F over 48 years |
days |
9 |
- |
- |
- |
- |
- |
2 |
4 |
2 |
1 |
- |
- |
- |
Average precipitation over 47 years |
in |
36.8 |
2.7 |
2.3 |
3.2 |
3.4 |
3.6 |
3.4 |
4.0 |
3.2 |
3.0 |
2.4 |
2.9 |
2.8 |
Average dew point over 48 years |
°F |
39 |
19 |
19 |
26 |
36 |
46 |
55 |
60 |
60 |
53 |
42 |
32 |
24 |
Most recorded rainfall over 47 years |
in |
65.7 |
8.7 |
5.2 |
8.8 |
6.5 |
9.6 |
8.4 |
11.4 |
8.2 |
9.0 |
8.4 |
9.4 |
6.7 |
Least recorded rainfall over 47 years |
in |
23.8 |
0.7 |
0.3 |
1.0 |
0.9 |
1.0 |
0.4 |
0.7 |
0.5 |
0.2 |
0.4 |
0.6 |
0.3 |
Average number of days with thunderstorms over 47 years |
days |
38 |
- |
- |
2 |
4 |
6 |
7 |
8 |
6 |
3 |
1 |
1 |
- |
Average number of days with fog over 47 years |
days |
175 |
13 |
12 |
13 |
13 |
14 |
15 |
17 |
19 |
17 |
15 |
13 |
14 |
Average morning relative humidity over 47 years |
% |
82 |
80 |
80 |
79 |
77 |
77 |
80 |
84 |
87 |
88 |
84 |
80 |
81 |
Average evening relative humidity over 48 years |
% |
59 |
69 |
65 |
59 |
53 |
52 |
54 |
54 |
55 |
56 |
56 |
64 |
70 |
Average wind speed over 48 years |
mph |
10.0 |
12.0 |
11.0 |
12.0 |
11.0 |
10.0 |
9.0 |
8.0 |
8.0 |
8.0 |
9.0 |
11.0 |
12.0 |
Average number of days below 32°F over 48 years |
days |
129 |
28 |
24 |
22 |
10 |
1 |
- |
- |
- |
- |
3 |
15 |
25 |
Average snowfall over 45 years |
in |
47.5 |
11.2 |
9.5 |
8.9 |
2.6 |
0.1 |
- |
- |
- |
- |
0.6 |
4.6 |
10.0 |
Average number of days above 65°F over 48 years |
days |
168 |
- |
- |
3 |
10 |
22 |
29 |
31 |
31 |
26 |
13 |
3 |
- |
Average number of clear days over 45 years |
days |
68 |
3 |
3 |
4 |
5 |
6 |
7 |
7 |
8 |
8 |
9 |
4 |
3 |
Heating degree days over 30 years |
days |
6160 |
1246 |
1053 |
837 |
495 |
224 |
37 |
- |
13 |
103 |
399 |
690 |
1063 |
Cooling degree days over 30 years |
days |
625 |
- |
- |
- |
- |
38 |
121 |
217 |
177 |
64 |
8 |
- |
- |
Average number of cloudy days over 45 years |
days |
198 |
22 |
19 |
20 |
18 |
16 |
12 |
11 |
11 |
13 |
14 |
20 |
23 |
Average number of partly cloudy days over 45 years |
days |
99 |
6 |
6 |
7 |
7 |
9 |
11 |
13 |
12 |
9 |
8 |
6 |
5 |
Average number of days below 5°F over 48 years |
days |
11 |
5 |
4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |