Average temperature over 48 years |
°F |
48 |
23 |
24 |
34 |
46 |
57 |
66 |
71 |
69 |
62 |
51 |
39 |
28 |
Average high temperature over 48 years |
°F |
57 |
30 |
32 |
42 |
57 |
69 |
78 |
82 |
80 |
73 |
60 |
46 |
34 |
Average low temperature over 48 years |
°F |
37 |
16 |
17 |
24 |
36 |
46 |
55 |
60 |
59 |
51 |
41 |
31 |
21 |
Highest recorded temperature over 48 years |
°F |
102 |
66 |
66 |
80 |
87 |
91 |
102 |
100 |
100 |
96 |
87 |
80 |
66 |
Lowest recorded temperature over 48 years |
°F |
-22 |
-22 |
-18 |
-7 |
3 |
21 |
33 |
41 |
39 |
26 |
17 |
-9 |
-18 |
Average number of rainy days over 30 years |
days |
145 |
16 |
12 |
13 |
13 |
10 |
10 |
9 |
9 |
11 |
11 |
14 |
16 |
Average number of days above 90°F over 48 years |
days |
11 |
- |
- |
- |
- |
- |
2 |
5 |
3 |
1 |
- |
- |
- |
Average precipitation over 48 years |
in |
35.5 |
2.0 |
1.5 |
2.6 |
3.5 |
3.0 |
3.6 |
3.5 |
3.4 |
3.7 |
2.8 |
3.3 |
2.6 |
Average dew point over 32 years |
°F |
39 |
17 |
17 |
24 |
34 |
44 |
55 |
60 |
60 |
53 |
41 |
31 |
21 |
Most recorded rainfall over 48 years |
in |
47.5 |
4.4 |
3.3 |
5.8 |
6.1 |
8.3 |
8.2 |
8.8 |
8.5 |
11.8 |
8.3 |
7.8 |
6.6 |
Least recorded rainfall over 48 years |
in |
22.8 |
0.3 |
0.3 |
0.7 |
1.8 |
0.9 |
0.3 |
0.6 |
0.1 |
- |
- |
0.6 |
0.7 |
Average number of days with thunderstorms over 48 years |
days |
34 |
- |
- |
2 |
4 |
4 |
6 |
6 |
5 |
4 |
2 |
1 |
- |
Average number of days with fog over 48 years |
days |
143 |
11 |
11 |
12 |
11 |
10 |
10 |
12 |
15 |
13 |
13 |
12 |
13 |
Average morning relative humidity over 32 years |
% |
83 |
82 |
81 |
81 |
79 |
79 |
81 |
84 |
89 |
89 |
85 |
83 |
83 |
Average evening relative humidity over 32 years |
% |
60 |
72 |
66 |
61 |
54 |
50 |
51 |
53 |
56 |
58 |
59 |
68 |
74 |
Average wind speed over 32 years |
mph |
11.0 |
13.0 |
12.0 |
11.0 |
12.0 |
11.0 |
10.0 |
10.0 |
10.0 |
8.0 |
9.0 |
12.0 |
12.0 |
Average number of days below 32°F over 48 years |
days |
145 |
29 |
26 |
24 |
12 |
2 |
- |
- |
- |
- |
6 |
18 |
28 |
Average snowfall over 30 years |
in |
71.6 |
20.2 |
11.9 |
10.0 |
3.0 |
- |
- |
- |
- |
- |
0.7 |
7.7 |
18.1 |
Average number of days above 65°F over 48 years |
days |
158 |
- |
- |
2 |
8 |
21 |
28 |
31 |
31 |
24 |
11 |
2 |
- |
Average number of clear days over 30 years |
days |
64 |
3 |
3 |
5 |
6 |
7 |
7 |
8 |
8 |
7 |
6 |
3 |
2 |
Heating degree days over 30 years |
days |
6973 |
1339 |
1156 |
958 |
570 |
273 |
50 |
- |
18 |
139 |
485 |
810 |
1175 |
Cooling degree days over 30 years |
days |
534 |
- |
- |
- |
- |
40 |
110 |
208 |
157 |
19 |
- |
- |
- |
Average possibility of sunshine over 30 years |
% |
46 |
30 |
40 |
45 |
51 |
56 |
61 |
63 |
61 |
54 |
44 |
27 |
21 |
Average number of cloudy days over 30 years |
days |
206 |
23 |
19 |
19 |
17 |
15 |
12 |
11 |
12 |
14 |
17 |
22 |
25 |
Average number of partly cloudy days over 30 years |
days |
95 |
5 |
6 |
7 |
7 |
9 |
11 |
12 |
11 |
9 |
8 |
5 |
4 |
Average number of days below 5°F over 48 years |
days |
15 |
6 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |