Average temperature over 48 years |
°F |
51 |
28 |
30 |
39 |
50 |
60 |
69 |
73 |
71 |
64 |
53 |
42 |
32 |
Average high temperature over 48 years |
°F |
60 |
35 |
37 |
48 |
60 |
71 |
78 |
82 |
80 |
75 |
62 |
50 |
39 |
Average low temperature over 48 years |
°F |
41 |
19 |
21 |
30 |
39 |
48 |
57 |
62 |
60 |
53 |
43 |
34 |
24 |
Highest recorded temperature over 48 years |
°F |
102 |
75 |
69 |
82 |
89 |
91 |
98 |
102 |
100 |
96 |
89 |
82 |
73 |
Lowest recorded temperature over 48 years |
°F |
-22 |
-22 |
-11 |
0 |
14 |
26 |
34 |
42 |
39 |
31 |
16 |
0 |
-11 |
Average number of rainy days over 41 years |
days |
153 |
16 |
14 |
16 |
14 |
13 |
11 |
11 |
10 |
10 |
10 |
13 |
16 |
Average number of days above 90°F over 48 years |
days |
9 |
- |
- |
- |
- |
- |
2 |
4 |
3 |
1 |
- |
- |
- |
Average precipitation over 48 years |
in |
37.0 |
2.8 |
2.4 |
3.4 |
3.2 |
3.6 |
3.8 |
3.8 |
3.3 |
2.8 |
2.3 |
2.8 |
2.8 |
Average dew point over 43 years |
°F |
39 |
17 |
19 |
26 |
36 |
46 |
55 |
60 |
60 |
53 |
41 |
32 |
23 |
Most recorded rainfall over 48 years |
in |
52.2 |
6.3 |
6.0 |
6.1 |
7.6 |
6.6 |
10.3 |
8.7 |
7.9 |
6.0 |
8.2 |
11.0 |
8.5 |
Least recorded rainfall over 48 years |
in |
26.8 |
0.8 |
0.5 |
1.1 |
0.5 |
1.2 |
0.6 |
1.6 |
0.5 |
0.3 |
0.2 |
0.9 |
0.4 |
Average number of days with thunderstorms over 48 years |
days |
35 |
- |
- |
2 |
3 |
5 |
7 |
7 |
6 |
3 |
1 |
1 |
- |
Average number of days with fog over 48 years |
days |
180 |
14 |
12 |
13 |
11 |
15 |
16 |
18 |
21 |
18 |
15 |
13 |
14 |
Average morning relative humidity over 43 years |
% |
79 |
76 |
75 |
76 |
73 |
76 |
79 |
82 |
85 |
85 |
81 |
78 |
77 |
Average evening relative humidity over 43 years |
% |
55 |
64 |
60 |
54 |
49 |
50 |
51 |
53 |
54 |
54 |
53 |
60 |
65 |
Average wind speed over 43 years |
mph |
11.0 |
13.0 |
12.0 |
13.0 |
13.0 |
11.0 |
10.0 |
9.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
Average number of days below 32°F over 48 years |
days |
120 |
27 |
23 |
20 |
8 |
1 |
- |
- |
- |
- |
4 |
14 |
24 |
Average number of days below 0°F over 30 years |
days |
4.2 |
2.1 |
1.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.7 |
Average snowfall over 41 years |
in |
43.1 |
11.3 |
9.3 |
8.7 |
1.7 |
0.1 |
- |
- |
- |
- |
0.4 |
3.3 |
8.3 |
Average number of days above 65°F over 48 years |
days |
174 |
- |
- |
4 |
12 |
23 |
29 |
31 |
31 |
26 |
14 |
4 |
- |
Average number of clear days over 41 years |
days |
58 |
3 |
3 |
4 |
5 |
5 |
5 |
5 |
7 |
7 |
8 |
4 |
3 |
Most rain reported in a day over 45 years |
in |
3.6 |
1.2 |
2.3 |
1.8 |
1.6 |
2.3 |
3.1 |
3.0 |
3.1 |
2.1 |
3.6 |
1.8 |
2.8 |
Most rain reported in a month over 45 years |
in |
52.2 |
6.3 |
6.0 |
6.1 |
7.6 |
6.6 |
10.3 |
8.7 |
7.9 |
6.0 |
8.2 |
11.1 |
8.5 |
Least rain reported in a month over 45 years |
in |
26.8 |
0.8 |
0.5 |
1.1 |
0.5 |
1.2 |
0.6 |
1.6 |
0.8 |
0.3 |
0.2 |
0.9 |
0.4 |
Heating degree days over 30 years |
days |
5968 |
1206 |
1016 |
794 |
462 |
214 |
36 |
6 |
14 |
100 |
400 |
681 |
1039 |
Cooling degree days over 30 years |
days |
654 |
- |
- |
- |
- |
44 |
123 |
227 |
184 |
67 |
9 |
- |
- |
Average possibility of sunshine over 41 years |
% |
45 |
32 |
36 |
43 |
46 |
50 |
56 |
57 |
55 |
55 |
51 |
36 |
28 |
Average number of cloudy days over 41 years |
days |
204 |
22 |
19 |
20 |
17 |
17 |
13 |
13 |
13 |
13 |
14 |
20 |
23 |
Average number of partly cloudy days over 41 years |
days |
103 |
6 |
6 |
7 |
8 |
9 |
12 |
13 |
11 |
10 |
9 |
6 |
5 |
Average number of days below 5°F over 48 years |
days |
9 |
4 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Most snow reported in a month over 45 years |
in |
76.7 |
40.2 |
24.2 |
34.1 |
8.1 |
3.1 |
- |
- |
- |
- |
8.5 |
13.9 |
21.2 |