Average temperature over 36 years |
°F |
43 |
17 |
19 |
28 |
41 |
53 |
62 |
66 |
64 |
57 |
46 |
35 |
24 |
Average high temperature over 36 years |
°F |
53 |
26 |
28 |
37 |
51 |
64 |
73 |
80 |
77 |
68 |
57 |
43 |
31 |
Average low temperature over 36 years |
°F |
32 |
8 |
8 |
17 |
30 |
39 |
48 |
53 |
53 |
44 |
36 |
28 |
17 |
Highest recorded temperature over 36 years |
°F |
102 |
51 |
64 |
75 |
89 |
93 |
102 |
102 |
102 |
93 |
87 |
75 |
64 |
Lowest recorded temperature over 36 years |
°F |
-36 |
-27 |
-36 |
-27 |
- |
19 |
28 |
34 |
30 |
24 |
16 |
-5 |
-18 |
Average number of rainy days over 34 years |
days |
146 |
14 |
11 |
12 |
12 |
11 |
11 |
10 |
11 |
13 |
13 |
13 |
16 |
Average number of days above 90°F over 36 years |
days |
6 |
- |
- |
- |
- |
- |
2 |
3 |
1 |
- |
- |
- |
- |
Average precipitation over 36 years |
in |
28.8 |
1.6 |
1.2 |
2.0 |
2.4 |
2.8 |
2.9 |
3.0 |
3.4 |
2.9 |
2.2 |
2.3 |
1.9 |
Average dew point over 34 years |
°F |
35 |
12 |
12 |
19 |
28 |
39 |
51 |
57 |
55 |
50 |
39 |
28 |
19 |
Most recorded rainfall over 36 years |
in |
35.2 |
3.3 |
3.2 |
4.4 |
4.1 |
8.3 |
8.4 |
7.2 |
6.3 |
7.1 |
6.5 |
7.4 |
4.4 |
Least recorded rainfall over 36 years |
in |
21.4 |
0.2 |
0.1 |
0.3 |
1.2 |
1.0 |
0.2 |
0.2 |
0.9 |
0.3 |
0.6 |
0.6 |
0.4 |
Average number of days with thunderstorms over 31 years |
days |
30 |
- |
- |
1 |
2 |
4 |
5 |
7 |
6 |
4 |
1 |
- |
- |
Average number of days with fog over 31 years |
days |
158 |
10 |
9 |
13 |
12 |
13 |
14 |
14 |
17 |
16 |
14 |
14 |
12 |
Average morning relative humidity over 36 years |
% |
83 |
81 |
80 |
82 |
80 |
78 |
81 |
85 |
90 |
91 |
86 |
84 |
83 |
Average evening relative humidity over 36 years |
% |
60 |
67 |
62 |
59 |
53 |
51 |
53 |
54 |
59 |
61 |
62 |
68 |
72 |
Average wind speed over 34 years |
mph |
9.0 |
10.0 |
9.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
6.0 |
6.0 |
8.0 |
9.0 |
8.0 |
Average number of days below 32°F over 36 years |
days |
177 |
30 |
27 |
28 |
19 |
7 |
1 |
- |
- |
2 |
11 |
22 |
29 |
Average number of days below 0°F over 30 years |
days |
21 |
7.2 |
7.3 |
3 |
- |
- |
- |
- |
- |
- |
- |
0.2 |
2.8 |
Average snowfall over 34 years |
in |
85.0 |
21.4 |
15.8 |
13.4 |
4.9 |
0.3 |
- |
- |
- |
- |
0.6 |
8.1 |
20.5 |
Average number of days above 65°F over 36 years |
days |
132 |
- |
- |
1 |
4 |
15 |
25 |
30 |
30 |
19 |
7 |
1 |
- |
Average number of clear days over 34 years |
days |
67 |
3 |
4 |
6 |
6 |
7 |
7 |
8 |
9 |
6 |
5 |
2 |
2 |
Most rain reported in a day over 81 years |
in |
5.1 |
1.8 |
2.9 |
1.7 |
1.6 |
2.2 |
2.5 |
2.8 |
3.0 |
5.1 |
2.1 |
2.3 |
2.3 |
Most rain reported in a month over 81 years |
in |
39.2 |
3.9 |
4.9 |
5.7 |
5.6 |
8.3 |
8.4 |
7.2 |
6.3 |
10.4 |
6.5 |
7.4 |
5.1 |
Least rain reported in a month over 81 years |
in |
17.1 |
0.2 |
0.2 |
0.3 |
0.5 |
0.5 |
0.2 |
0.2 |
0.7 |
0.3 |
0.2 |
0.6 |
0.4 |
Heating degree days over 30 years |
days |
8284 |
1469 |
1308 |
1147 |
723 |
411 |
146 |
43 |
80 |
237 |
561 |
879 |
1280 |
Cooling degree days over 30 years |
days |
231 |
- |
- |
- |
- |
8 |
35 |
108 |
74 |
6 |
- |
- |
- |
Average possibility of sunshine over 34 years |
% |
49 |
37 |
45 |
52 |
53 |
60 |
63 |
66 |
59 |
51 |
42 |
29 |
28 |
Average number of cloudy days over 34 years |
days |
193 |
21 |
17 |
17 |
16 |
14 |
12 |
10 |
11 |
14 |
18 |
22 |
23 |
Average number of partly cloudy days over 34 years |
days |
105 |
7 |
7 |
8 |
8 |
10 |
11 |
13 |
11 |
10 |
8 |
6 |
6 |
Most snow reported in a month over 81 years |
in |
146.0 |
43.5 |
33.4 |
49.4 |
13.4 |
8.9 |
- |
- |
- |
0.2 |
8.5 |
34.8 |
46.3 |