Average temperature over 48 years |
°F |
46 |
19 |
24 |
33 |
44 |
55 |
66 |
71 |
69 |
62 |
51 |
37 |
26 |
Average high temperature over 48 years |
°F |
55 |
26 |
31 |
39 |
53 |
64 |
75 |
80 |
78 |
71 |
60 |
44 |
32 |
Average low temperature over 48 years |
°F |
37 |
12 |
17 |
26 |
36 |
44 |
55 |
62 |
60 |
53 |
42 |
30 |
19 |
Highest recorded temperature over 48 years |
°F |
102 |
60 |
64 |
82 |
91 |
93 |
100 |
102 |
102 |
98 |
89 |
77 |
62 |
Lowest recorded temperature over 48 years |
°F |
-25 |
-25 |
-18 |
-9 |
12 |
21 |
36 |
39 |
44 |
28 |
17 |
-5 |
-20 |
Average number of rainy days over 53 years |
days |
125 |
11 |
9 |
12 |
12 |
12 |
11 |
10 |
9 |
9 |
9 |
11 |
11 |
Average number of days above 90°F over 48 years |
days |
10 |
- |
- |
- |
- |
- |
2 |
4 |
3 |
1 |
- |
- |
- |
Average precipitation over 48 years |
in |
32.2 |
1.7 |
1.4 |
2.6 |
3.4 |
2.8 |
3.4 |
3.6 |
3.5 |
2.9 |
2.4 |
2.4 |
2.1 |
Average dew point over 48 years |
°F |
37 |
12 |
16 |
24 |
34 |
44 |
55 |
60 |
60 |
53 |
41 |
30 |
19 |
Most recorded rainfall over 48 years |
in |
42.2 |
4.0 |
3.9 |
6.9 |
7.3 |
7.6 |
8.3 |
7.7 |
9.0 |
9.4 |
7.0 |
7.1 |
5.4 |
Least recorded rainfall over 48 years |
in |
19.1 |
0.3 |
- |
0.3 |
1.3 |
0.5 |
0.7 |
1.0 |
0.5 |
- |
0.1 |
0.6 |
0.3 |
Average number of days with thunderstorms over 48 years |
days |
36 |
- |
- |
2 |
4 |
4 |
6 |
7 |
6 |
4 |
2 |
1 |
- |
Average number of days with fog over 48 years |
days |
137 |
11 |
11 |
12 |
11 |
11 |
10 |
10 |
13 |
12 |
11 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
80 |
76 |
77 |
79 |
78 |
77 |
79 |
82 |
86 |
85 |
82 |
80 |
79 |
Average evening relative humidity over 48 years |
% |
62 |
68 |
66 |
64 |
58 |
57 |
58 |
59 |
62 |
61 |
60 |
66 |
69 |
Average wind speed over 48 years |
mph |
12.0 |
12.0 |
12.0 |
12.0 |
13.0 |
13.0 |
11.0 |
10.0 |
10.0 |
11.0 |
11.0 |
12.0 |
12.0 |
Average number of days below 32°F over 48 years |
days |
139 |
30 |
26 |
24 |
9 |
1 |
- |
- |
- |
- |
4 |
18 |
28 |
Average snowfall over 53 years |
in |
46.5 |
12.8 |
9.6 |
8.7 |
1.7 |
0.1 |
- |
- |
- |
- |
0.2 |
3.0 |
10.4 |
Average number of days above 65°F over 48 years |
days |
143 |
- |
- |
1 |
6 |
16 |
26 |
31 |
31 |
23 |
10 |
1 |
- |
Average number of clear days over 53 years |
days |
90 |
7 |
6 |
6 |
6 |
7 |
8 |
10 |
10 |
9 |
9 |
5 |
6 |
Heating degree days over 30 years |
days |
7324 |
1429 |
1176 |
983 |
618 |
338 |
82 |
14 |
27 |
123 |
456 |
819 |
1259 |
Cooling degree days over 30 years |
days |
479 |
- |
- |
- |
- |
16 |
82 |
197 |
160 |
24 |
- |
- |
- |
Average possibility of sunshine over 53 years |
% |
54 |
45 |
47 |
49 |
53 |
59 |
65 |
69 |
66 |
59 |
54 |
39 |
38 |
Average number of cloudy days over 53 years |
days |
175 |
18 |
16 |
17 |
16 |
14 |
12 |
10 |
10 |
12 |
13 |
19 |
19 |
Average number of partly cloudy days over 53 years |
days |
100 |
6 |
6 |
8 |
8 |
10 |
10 |
11 |
11 |
9 |
9 |
6 |
6 |
Average number of days below 5°F over 48 years |
days |
21 |
10 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
5 |