Average temperature over 50 years |
°F |
48 |
24 |
26 |
34 |
46 |
57 |
66 |
71 |
69 |
62 |
51 |
41 |
30 |
Average high temperature over 50 years |
°F |
57 |
31 |
33 |
42 |
55 |
66 |
75 |
80 |
78 |
71 |
60 |
46 |
36 |
Average low temperature over 50 years |
°F |
39 |
17 |
17 |
26 |
36 |
46 |
55 |
62 |
60 |
53 |
43 |
34 |
23 |
Highest recorded temperature over 50 years |
°F |
98 |
71 |
64 |
78 |
93 |
89 |
96 |
96 |
98 |
98 |
87 |
80 |
73 |
Lowest recorded temperature over 50 years |
°F |
-20 |
-16 |
-20 |
-7 |
12 |
26 |
36 |
46 |
37 |
23 |
19 |
6 |
-9 |
Average number of rainy days over 50 years |
days |
169 |
20 |
17 |
16 |
14 |
12 |
10 |
10 |
11 |
11 |
12 |
16 |
20 |
Average number of days above 90°F over 50 years |
days |
4 |
- |
- |
- |
- |
- |
1 |
2 |
1 |
- |
- |
- |
- |
Average precipitation over 50 years |
in |
38.3 |
3.0 |
2.5 |
2.9 |
3.0 |
3.1 |
3.1 |
3.0 |
3.8 |
3.4 |
3.1 |
3.9 |
3.5 |
Average dew point over 50 years |
°F |
39 |
17 |
17 |
24 |
34 |
44 |
53 |
59 |
59 |
51 |
42 |
33 |
23 |
Most recorded rainfall over 50 years |
in |
53.5 |
6.9 |
5.9 |
6.0 |
5.9 |
7.2 |
8.4 |
8.9 |
10.7 |
9.0 |
9.1 |
9.8 |
8.7 |
Least recorded rainfall over 50 years |
in |
28.5 |
1.0 |
0.8 |
1.2 |
1.3 |
1.2 |
0.1 |
0.9 |
1.1 |
0.8 |
0.3 |
1.5 |
1.7 |
Average number of days with thunderstorms over 50 years |
days |
30 |
- |
- |
1 |
2 |
3 |
5 |
6 |
6 |
4 |
2 |
1 |
- |
Average number of days with fog over 50 years |
days |
158 |
12 |
12 |
14 |
13 |
14 |
13 |
13 |
15 |
13 |
13 |
13 |
13 |
Average morning relative humidity over 50 years |
% |
79 |
79 |
80 |
80 |
77 |
76 |
77 |
79 |
83 |
83 |
81 |
80 |
80 |
Average evening relative humidity over 50 years |
% |
62 |
73 |
70 |
65 |
57 |
55 |
54 |
54 |
56 |
59 |
60 |
69 |
73 |
Average wind speed over 50 years |
mph |
14.0 |
18.0 |
17.0 |
16.0 |
14.0 |
13.0 |
13.0 |
12.0 |
12.0 |
12.0 |
14.0 |
14.0 |
14.0 |
Average number of days below 32°F over 50 years |
days |
131 |
28 |
26 |
24 |
10 |
1 |
- |
- |
- |
- |
3 |
14 |
26 |
Average snowfall over 50 years |
in |
91.1 |
23.3 |
18.2 |
11.7 |
3.1 |
0.3 |
- |
- |
- |
- |
0.3 |
11.5 |
22.7 |
Average number of days above 65°F over 50 years |
days |
152 |
- |
- |
2 |
7 |
18 |
28 |
31 |
31 |
23 |
11 |
2 |
- |
Average number of clear days over 50 years |
days |
54 |
1 |
2 |
4 |
5 |
5 |
6 |
7 |
7 |
6 |
6 |
2 |
1 |
Heating degree days over 30 years |
days |
6747 |
1283 |
1134 |
967 |
594 |
279 |
59 |
5 |
17 |
130 |
431 |
735 |
1113 |
Cooling degree days over 30 years |
days |
477 |
- |
- |
- |
- |
19 |
86 |
194 |
141 |
37 |
- |
- |
- |
Average possibility of sunshine over 50 years |
% |
48 |
31 |
38 |
45 |
51 |
58 |
65 |
67 |
64 |
57 |
49 |
29 |
27 |
Average number of cloudy days over 50 years |
days |
208 |
24 |
20 |
19 |
17 |
16 |
12 |
11 |
12 |
14 |
16 |
23 |
24 |
Average number of partly cloudy days over 50 years |
days |
103 |
6 |
6 |
8 |
8 |
10 |
12 |
13 |
12 |
10 |
9 |
5 |
6 |
Average number of days below 5°F over 50 years |
days |
11 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |