Average temperature over 55 years |
°F |
55 |
33 |
36 |
44 |
57 |
64 |
73 |
77 |
75 |
69 |
57 |
46 |
37 |
Average high temperature over 55 years |
°F |
66 |
41 |
44 |
53 |
66 |
75 |
82 |
87 |
86 |
78 |
69 |
55 |
44 |
Average low temperature over 55 years |
°F |
46 |
24 |
28 |
36 |
46 |
55 |
64 |
68 |
66 |
59 |
48 |
37 |
28 |
Highest recorded temperature over 55 years |
°F |
104 |
77 |
78 |
84 |
93 |
96 |
104 |
104 |
102 |
102 |
91 |
82 |
77 |
Lowest recorded temperature over 55 years |
°F |
-23 |
-23 |
-16 |
-2 |
21 |
30 |
39 |
50 |
46 |
34 |
21 |
-2 |
-14 |
Average number of rainy days over 55 years |
days |
120 |
11 |
10 |
12 |
12 |
11 |
10 |
10 |
8 |
7 |
8 |
10 |
11 |
Average precipitation over 55 years |
in |
46.0 |
3.5 |
3.8 |
4.5 |
4.1 |
4.2 |
4.0 |
4.4 |
3.4 |
3.1 |
2.8 |
3.7 |
4.1 |
Average dew point over 10 years |
°F |
44 |
24 |
26 |
35 |
42 |
53 |
60 |
66 |
64 |
57 |
46 |
36 |
26 |
Average number of days with thunderstorms over 45 years |
days |
50 |
1 |
1 |
3 |
5 |
7 |
8 |
9 |
7 |
4 |
2 |
2 |
1 |
Average number of days with fog over 45 years |
days |
170 |
15 |
13 |
13 |
10 |
13 |
14 |
17 |
19 |
16 |
14 |
13 |
13 |
Average morning relative humidity over 10 years |
% |
78.7 |
73.4 |
73.6 |
75.3 |
72.9 |
80.1 |
80.9 |
85.1 |
85.5 |
84.2 |
82.2 |
76.4 |
74.7 |
Average evening relative humidity over 10 years |
% |
58.1 |
63.6 |
60.8 |
57.6 |
50.3 |
56.7 |
57 |
59.4 |
57.5 |
57.7 |
54.7 |
60.1 |
62.1 |
Average wind speed over 12 years |
mph |
11.0 |
5.0 |
5.0 |
5.0 |
4.0 |
3.0 |
3.0 |
3.0 |
3.0 |
4.0 |
5.0 |
5.0 |
4.0 |
Average snowfall over 48 years |
in |
15.5 |
5.4 |
4.0 |
2.7 |
0.1 |
- |
- |
- |
- |
- |
- |
1.2 |
1.9 |
Most rain reported in a day over 55 years |
in |
4.9 |
3.2 |
4.9 |
4.8 |
4.2 |
3.9 |
3.7 |
3.6 |
3.6 |
4.4 |
3.7 |
3.2 |
4.5 |
Most rain reported in a month over 55 years |
in |
72.0 |
14.7 |
13.2 |
12.6 |
10.9 |
11.7 |
10.5 |
9.6 |
9.5 |
12.4 |
7.2 |
8.9 |
10.8 |
Least rain reported in a month over 55 years |
in |
29.5 |
0.4 |
0.4 |
1.1 |
1.0 |
0.8 |
0.5 |
0.6 |
0.1 |
0.1 |
0.1 |
0.7 |
0.8 |
Heating degree days over 49 years |
days |
4330 |
943 |
769 |
602 |
266 |
84 |
7 |
- |
1 |
41 |
230 |
541 |
846 |
Cooling degree days over 49 years |
days |
1411 |
- |
- |
3 |
34 |
114 |
285 |
393 |
357 |
183 |
39 |
3 |
- |
Average number of days below 10°F over 55 years |
days |
8 |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 80°F over 12 years |
days |
55 |
- |
1 |
4 |
12 |
22 |
28 |
26 |
16 |
5 |
1 |
- |
115 |
Most snow reported in a month over 48 years |
in |
42.9 |
24.5 |
13.0 |
19.1 |
1.0 |
- |
- |
- |
- |
- |
2.2 |
17.5 |
11.1 |
Average possibility of clouds over 10 years |
% |
56.2 |
68.4 |
64.4 |
62.5 |
55.3 |
58 |
53.9 |
46.7 |
43.6 |
44.4 |
48.7 |
61.1 |
67.7 |
Average number of snowy days over 48 years |
days |
13 |
4 |
3 |
2 |
1 |
- |
- |
- |
- |
- |
- |
1 |
2 |
Average number of days below 33°F over 55 years |
days |
88 |
23 |
19 |
13 |
2 |
- |
- |
- |
- |
- |
1 |
10 |
20 |
Most snow reported in a day over 48 years |
in |
55.0 |
9.2 |
9.0 |
0.9 |
- |
- |
- |
- |
- |
2.2 |
14.3 |
4.8 |
14.6 |
Deepest snow cover reported over 48 years |
in |
17.0 |
17.0 |
9.0 |
10.0 |
5.0 |
- |
- |
- |
- |
- |
- |
15.0 |
5.0 |
Average wet bulb point over 10 years |
°F |
50 |
31 |
33 |
41 |
48 |
57 |
64 |
69 |
68 |
62 |
51 |
42 |
33 |