Average temperature over 48 years |
°F |
46 |
21 |
24 |
32 |
44 |
55 |
64 |
69 |
68 |
60 |
48 |
37 |
26 |
Average high temperature over 48 years |
°F |
55 |
28 |
31 |
39 |
53 |
66 |
73 |
78 |
77 |
69 |
57 |
44 |
33 |
Average low temperature over 48 years |
°F |
37 |
15 |
16 |
24 |
35 |
46 |
55 |
60 |
57 |
50 |
39 |
31 |
19 |
Highest recorded temperature over 48 years |
°F |
98 |
69 |
66 |
82 |
87 |
89 |
93 |
98 |
98 |
96 |
87 |
80 |
64 |
Lowest recorded temperature over 48 years |
°F |
-25 |
-25 |
-25 |
-14 |
8 |
24 |
33 |
39 |
37 |
24 |
17 |
3 |
-18 |
Average number of rainy days over 42 years |
days |
162 |
17 |
14 |
15 |
14 |
13 |
12 |
11 |
11 |
10 |
12 |
15 |
17 |
Average number of days above 90°F over 48 years |
days |
3 |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
Average precipitation over 48 years |
in |
37.1 |
2.4 |
2.3 |
2.9 |
3.3 |
3.3 |
3.6 |
3.6 |
3.5 |
3.2 |
2.9 |
3.2 |
2.9 |
Average dew point over 48 years |
°F |
37 |
15 |
16 |
23 |
32 |
44 |
53 |
59 |
57 |
51 |
39 |
31 |
19 |
Most recorded rainfall over 48 years |
in |
48.0 |
6.4 |
4.4 |
6.0 |
8.6 |
6.5 |
9.5 |
7.4 |
7.5 |
9.7 |
9.4 |
7.5 |
6.1 |
Least recorded rainfall over 48 years |
in |
29.9 |
0.8 |
0.4 |
0.7 |
1.0 |
0.8 |
1.0 |
0.8 |
0.6 |
0.6 |
0.3 |
1.0 |
0.9 |
Average number of days with thunderstorms over 48 years |
days |
29 |
- |
- |
1 |
2 |
4 |
6 |
7 |
5 |
3 |
1 |
- |
- |
Average number of days with fog over 48 years |
days |
169 |
11 |
10 |
13 |
12 |
14 |
15 |
16 |
19 |
17 |
15 |
14 |
13 |
Average morning relative humidity over 48 years |
% |
82 |
80 |
79 |
79 |
76 |
78 |
83 |
85 |
89 |
90 |
85 |
82 |
82 |
Average evening relative humidity over 48 years |
% |
61 |
69 |
65 |
60 |
54 |
54 |
57 |
57 |
59 |
62 |
60 |
68 |
72 |
Average wind speed over 48 years |
mph |
11.0 |
13.0 |
13.0 |
13.0 |
12.0 |
11.0 |
9.0 |
8.0 |
8.0 |
9.0 |
9.0 |
10.0 |
13.0 |
Average number of days below 32°F over 48 years |
days |
145 |
29 |
26 |
25 |
12 |
1 |
- |
- |
- |
- |
6 |
18 |
27 |
Average number of days below 0°F over 30 years |
days |
7.5 |
3.5 |
2.5 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
1.3 |
Average snowfall over 42 years |
in |
82.4 |
19.5 |
17.5 |
14.1 |
5.0 |
0.3 |
- |
- |
- |
- |
0.7 |
7.3 |
18.0 |
Average number of days above 65°F over 48 years |
days |
141 |
- |
- |
1 |
6 |
17 |
26 |
30 |
30 |
20 |
9 |
1 |
- |
Average number of clear days over 42 years |
days |
52 |
3 |
3 |
4 |
5 |
5 |
5 |
6 |
5 |
6 |
6 |
3 |
2 |
Most rain reported in a day over 46 years |
in |
3.5 |
1.6 |
2.2 |
1.6 |
2.9 |
2.9 |
3.1 |
3.2 |
2.6 |
3.5 |
3.5 |
2.6 |
2.7 |
Most rain reported in a month over 46 years |
in |
49.0 |
6.4 |
4.4 |
6.0 |
8.6 |
6.5 |
9.5 |
7.4 |
7.5 |
9.7 |
9.4 |
7.5 |
6.1 |
Least rain reported in a month over 46 years |
in |
30.3 |
0.8 |
0.5 |
0.7 |
1.0 |
0.8 |
1.0 |
0.8 |
0.6 |
0.6 |
0.3 |
1.0 |
0.9 |
Heating degree days over 30 years |
days |
7273 |
1361 |
1184 |
1004 |
618 |
305 |
73 |
16 |
35 |
180 |
502 |
801 |
1194 |
Cooling degree days over 30 years |
days |
337 |
- |
- |
- |
- |
20 |
49 |
147 |
103 |
18 |
- |
- |
- |
Average possibility of sunshine over 42 years |
% |
49 |
37 |
42 |
46 |
50 |
56 |
62 |
64 |
61 |
55 |
49 |
32 |
29 |
Average number of cloudy days over 42 years |
days |
212 |
21 |
19 |
20 |
18 |
17 |
14 |
13 |
14 |
14 |
17 |
21 |
23 |
Average number of partly cloudy days over 42 years |
days |
102 |
7 |
6 |
7 |
7 |
9 |
11 |
12 |
12 |
10 |
8 |
6 |
6 |
Average number of days below 5°F over 48 years |
days |
17 |
7 |
6 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |
Most snow reported in a month over 46 years |
in |
137.8 |
43.6 |
44.3 |
37.9 |
22.9 |
3.4 |
- |
- |
- |
- |
11.6 |
29.0 |
59.6 |