Average temperature over 42 years |
°F |
53 |
30 |
35 |
42 |
51 |
60 |
71 |
77 |
73 |
66 |
53 |
39 |
32 |
Average high temperature over 42 years |
°F |
69 |
44 |
50 |
57 |
66 |
75 |
87 |
91 |
89 |
80 |
69 |
55 |
46 |
Average low temperature over 42 years |
°F |
37 |
14 |
19 |
26 |
35 |
46 |
53 |
60 |
59 |
50 |
36 |
24 |
16 |
Highest recorded temperature over 42 years |
°F |
107 |
78 |
80 |
86 |
93 |
98 |
107 |
105 |
104 |
100 |
93 |
84 |
82 |
Lowest recorded temperature over 42 years |
°F |
-27 |
-27 |
-23 |
-9 |
1 |
26 |
37 |
44 |
39 |
26 |
5 |
-16 |
-27 |
Average number of rainy days over 51 years |
days |
71 |
4 |
4 |
6 |
6 |
8 |
7 |
9 |
9 |
5 |
4 |
4 |
4 |
Average number of days above 90°F over 42 years |
days |
64 |
- |
- |
- |
- |
2 |
14 |
22 |
18 |
7 |
- |
- |
- |
Average precipitation over 41 years |
in |
11.8 |
0.3 |
0.3 |
0.8 |
1.0 |
1.5 |
1.3 |
1.9 |
2.1 |
0.9 |
0.8 |
0.5 |
0.4 |
Average dew point over 37 years |
°F |
31 |
15 |
17 |
21 |
26 |
37 |
44 |
51 |
51 |
42 |
30 |
23 |
16 |
Average number of days above 70°F over 42 years |
days |
186 |
1 |
2 |
6 |
14 |
23 |
29 |
31 |
31 |
26 |
18 |
5 |
1 |
Most recorded rainfall over 41 years |
in |
23.1 |
0.9 |
1.4 |
2.3 |
4.0 |
5.4 |
4.3 |
5.1 |
5.8 |
2.7 |
4.9 |
2.5 |
1.0 |
Least recorded rainfall over 41 years |
in |
6.3 |
- |
- |
- |
- |
0.3 |
- |
0.1 |
0.1 |
- |
- |
- |
- |
Average number of days with thunderstorms over 35 years |
days |
40 |
- |
- |
- |
2 |
6 |
8 |
11 |
9 |
3 |
1 |
- |
- |
Average number of days with fog over 35 years |
days |
43 |
5 |
5 |
5 |
3 |
3 |
2 |
1 |
2 |
4 |
3 |
5 |
5 |
Average morning relative humidity over 32 years |
% |
70 |
70 |
69 |
68 |
66 |
70 |
71 |
72 |
75 |
71 |
67 |
73 |
69 |
Average evening relative humidity over 41 years |
% |
37 |
49 |
40 |
35 |
30 |
32 |
29 |
32 |
34 |
32 |
32 |
45 |
49 |
Average wind speed over 37 years |
mph |
10.0 |
9.0 |
9.0 |
11.0 |
10.0 |
11.0 |
11.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
9.0 |
Average number of days below 32°F over 42 years |
days |
158 |
30 |
26 |
24 |
10 |
1 |
- |
- |
- |
1 |
9 |
26 |
30 |
Average snowfall over 52 years |
in |
33.0 |
5.9 |
4.3 |
6.9 |
3.5 |
0.7 |
- |
- |
- |
0.5 |
1.3 |
4.6 |
5.3 |
Average number of clear days over 50 years |
days |
139 |
12 |
10 |
10 |
9 |
9 |
12 |
11 |
12 |
16 |
15 |
12 |
12 |
Heating degree days over 30 years |
days |
5413 |
1091 |
837 |
722 |
396 |
152 |
10 |
- |
- |
62 |
357 |
735 |
1051 |
Cooling degree days over 30 years |
days |
973 |
- |
- |
- |
- |
31 |
190 |
375 |
291 |
86 |
- |
- |
- |
Average possibility of sunshine over 52 years |
% |
76 |
75 |
73 |
74 |
74 |
74 |
79 |
79 |
77 |
80 |
78 |
73 |
71 |
Average number of cloudy days over 50 years |
days |
107 |
10 |
11 |
12 |
11 |
11 |
7 |
6 |
7 |
6 |
8 |
9 |
10 |
Average number of partly cloudy days over 50 years |
days |
119 |
9 |
7 |
9 |
10 |
11 |
11 |
14 |
12 |
8 |
8 |
9 |
9 |
Average number of days below 10°F over 42 years |
days |
26 |
10 |
4 |
2 |
- |
- |
- |
- |
- |
- |
- |
2 |
7 |