Average temperature over 46 years |
°F |
46 |
21 |
24 |
34 |
46 |
57 |
66 |
71 |
69 |
60 |
51 |
39 |
26 |
Average high temperature over 46 years |
°F |
57 |
28 |
32 |
42 |
55 |
68 |
78 |
82 |
80 |
71 |
60 |
46 |
34 |
Average low temperature over 46 years |
°F |
37 |
15 |
16 |
24 |
36 |
46 |
55 |
60 |
57 |
50 |
41 |
31 |
19 |
Highest recorded temperature over 46 years |
°F |
100 |
64 |
62 |
78 |
87 |
93 |
100 |
100 |
98 |
96 |
89 |
78 |
66 |
Lowest recorded temperature over 46 years |
°F |
-25 |
-25 |
-22 |
-11 |
6 |
21 |
33 |
39 |
37 |
26 |
19 |
-7 |
-11 |
Average number of rainy days over 52 years |
days |
134 |
13 |
11 |
13 |
13 |
11 |
10 |
9 |
9 |
10 |
9 |
12 |
13 |
Average number of days above 90°F over 30 years |
days |
13 |
- |
- |
- |
- |
0.4 |
2.8 |
5.4 |
3.2 |
1.2 |
- |
- |
- |
Average precipitation over 46 years |
in |
30.6 |
1.6 |
1.5 |
2.1 |
3.1 |
2.7 |
3.3 |
2.9 |
3.5 |
3.1 |
2.3 |
2.6 |
2.0 |
Average dew point over 38 years |
°F |
37 |
17 |
17 |
24 |
34 |
44 |
55 |
60 |
59 |
51 |
42 |
31 |
21 |
Average number of days above 70°F over 46 years |
days |
129 |
- |
- |
1 |
4 |
15 |
25 |
30 |
29 |
18 |
6 |
- |
- |
Most recorded rainfall over 46 years |
in |
45.4 |
3.2 |
5.3 |
4.2 |
5.6 |
6.8 |
6.5 |
7.9 |
11.0 |
10.9 |
4.2 |
4.9 |
4.7 |
Least recorded rainfall over 46 years |
in |
18.1 |
0.3 |
0.2 |
0.3 |
1.0 |
0.3 |
0.6 |
0.7 |
0.4 |
0.3 |
0.4 |
0.7 |
0.4 |
Average number of days with thunderstorms over 46 years |
days |
32 |
- |
- |
1 |
3 |
4 |
6 |
6 |
6 |
4 |
1 |
1 |
- |
Average number of days with fog over 46 years |
days |
146 |
11 |
10 |
12 |
11 |
10 |
10 |
12 |
16 |
14 |
14 |
13 |
13 |
Average morning relative humidity over 38 years |
% |
84 |
81 |
81 |
81 |
80 |
81 |
85 |
88 |
91 |
90 |
86 |
83 |
83 |
Average evening relative humidity over 38 years |
% |
59 |
70 |
67 |
60 |
53 |
51 |
53 |
52 |
55 |
56 |
57 |
65 |
72 |
Average wind speed over 38 years |
mph |
11.0 |
11.0 |
11.0 |
13.0 |
12.0 |
11.0 |
10.0 |
9.0 |
8.0 |
9.0 |
10.0 |
12.0 |
11.0 |
Average number of days above 60°F over 46 years |
days |
179 |
- |
- |
3 |
11 |
25 |
29 |
31 |
31 |
27 |
16 |
4 |
1 |
Average number of days below 32°F over 46 years |
days |
143 |
29 |
26 |
24 |
11 |
2 |
- |
- |
- |
- |
6 |
17 |
27 |
Average number of days below 0°F over 30 years |
days |
10 |
4 |
3.8 |
0.6 |
- |
- |
- |
- |
- |
- |
- |
- |
1.8 |
Average snowfall over 52 years |
in |
45.1 |
11.6 |
9.8 |
7.6 |
2.4 |
- |
- |
- |
- |
- |
0.2 |
3.8 |
9.7 |
Average number of clear days over 52 years |
days |
66 |
4 |
4 |
5 |
6 |
6 |
6 |
7 |
8 |
7 |
7 |
3 |
3 |
Most rain reported in a day over 104 years |
in |
6.0 |
1.3 |
2.9 |
2.3 |
2.7 |
2.2 |
3.5 |
3.7 |
4.5 |
6.0 |
2.0 |
1.9 |
4.8 |
Most rain reported in a month over 104 years |
in |
45.4 |
3.9 |
5.3 |
4.3 |
5.9 |
7.6 |
7.2 |
9.4 |
11.2 |
10.9 |
5.5 |
4.9 |
8.2 |
Least rain reported in a month over 104 years |
in |
18.1 |
0.1 |
0.1 |
0.3 |
0.6 |
0.3 |
0.6 |
0.2 |
- |
0.3 |
0.1 |
0.2 |
0.4 |
Heating degree days over 30 years |
days |
6979 |
1349 |
1162 |
961 |
570 |
292 |
64 |
11 |
25 |
137 |
468 |
768 |
1172 |
Cooling degree days over 30 years |
days |
483 |
- |
- |
- |
- |
37 |
91 |
184 |
136 |
29 |
6 |
- |
- |
Average number of cloudy days over 52 years |
days |
195 |
21 |
17 |
19 |
17 |
15 |
12 |
11 |
11 |
13 |
15 |
21 |
22 |
Average number of partly cloudy days over 52 years |
days |
105 |
6 |
7 |
7 |
7 |
10 |
12 |
13 |
12 |
10 |
9 |
6 |
6 |
Most snow reported in a month over 104 years |
in |
228.4 |
102.0 |
89.8 |
31.2 |
17.3 |
12.0 |
- |
- |
- |
- |
4.4 |
16.2 |
58.0 |