Average temperature over 48 years |
°F |
51 |
21 |
26 |
37 |
51 |
62 |
73 |
77 |
75 |
66 |
53 |
39 |
26 |
Average high temperature over 48 years |
°F |
62 |
31 |
37 |
48 |
62 |
73 |
84 |
87 |
86 |
77 |
66 |
48 |
36 |
Average low temperature over 48 years |
°F |
39 |
10 |
17 |
26 |
39 |
51 |
60 |
66 |
64 |
53 |
42 |
28 |
17 |
Highest recorded temperature over 48 years |
°F |
109 |
66 |
77 |
89 |
96 |
98 |
105 |
109 |
107 |
102 |
95 |
80 |
69 |
Lowest recorded temperature over 48 years |
°F |
-23 |
-23 |
-20 |
-16 |
5 |
26 |
37 |
44 |
43 |
24 |
12 |
-9 |
-23 |
Average number of rainy days over 57 years |
days |
99 |
6 |
7 |
9 |
10 |
12 |
11 |
9 |
9 |
8 |
6 |
6 |
6 |
Average number of days above 90°F over 48 years |
days |
35 |
- |
- |
- |
- |
1 |
7 |
13 |
10 |
3 |
- |
- |
- |
Average precipitation over 48 years |
in |
30.3 |
0.8 |
0.9 |
1.9 |
2.8 |
4.3 |
4.1 |
3.8 |
3.8 |
3.4 |
2.1 |
1.5 |
0.9 |
Average dew point over 48 years |
°F |
39 |
12 |
17 |
26 |
37 |
48 |
60 |
64 |
62 |
53 |
41 |
28 |
19 |
Most recorded rainfall over 48 years |
in |
44.8 |
3.7 |
3.0 |
6.0 |
6.4 |
10.3 |
9.9 |
10.3 |
10.2 |
13.8 |
5.0 |
4.7 |
5.4 |
Least recorded rainfall over 48 years |
in |
18.4 |
- |
0.1 |
0.1 |
0.4 |
0.6 |
1.0 |
0.4 |
0.6 |
0.4 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
47 |
- |
- |
2 |
4 |
7 |
9 |
9 |
8 |
5 |
2 |
1 |
- |
Average number of days with fog over 48 years |
days |
124 |
11 |
11 |
12 |
9 |
10 |
8 |
8 |
12 |
11 |
10 |
10 |
12 |
Average morning relative humidity over 48 years |
% |
81 |
78 |
80 |
79 |
77 |
80 |
82 |
84 |
87 |
86 |
81 |
80 |
80 |
Average evening relative humidity over 48 years |
% |
53 |
61 |
59 |
54 |
46 |
49 |
50 |
52 |
54 |
51 |
47 |
55 |
62 |
Average wind speed over 48 years |
mph |
11.0 |
14.0 |
13.0 |
14.0 |
11.0 |
11.0 |
10.0 |
9.0 |
9.0 |
10.0 |
9.0 |
9.0 |
9.0 |
Average number of days below 32°F over 48 years |
days |
139 |
30 |
26 |
22 |
7 |
- |
- |
- |
- |
- |
5 |
20 |
29 |
Average snowfall over 58 years |
in |
29.9 |
7.4 |
6.6 |
6.4 |
1.0 |
0.1 |
- |
- |
- |
- |
0.3 |
2.6 |
5.5 |
Average number of days above 65°F over 48 years |
days |
184 |
- |
1 |
5 |
14 |
26 |
30 |
31 |
31 |
27 |
17 |
4 |
- |
Average number of clear days over 48 years |
days |
111 |
9 |
7 |
7 |
7 |
7 |
8 |
11 |
12 |
12 |
13 |
9 |
8 |
Heating degree days over 30 years |
days |
6300 |
1361 |
1067 |
818 |
398 |
164 |
14 |
- |
9 |
80 |
372 |
780 |
1237 |
Cooling degree days over 30 years |
days |
1072 |
- |
- |
- |
5 |
84 |
227 |
369 |
292 |
83 |
12 |
- |
- |
Average number of cloudy days over 48 years |
days |
149 |
14 |
14 |
16 |
14 |
14 |
11 |
8 |
9 |
10 |
10 |
14 |
15 |
Average number of partly cloudy days over 48 years |
days |
105 |
8 |
7 |
8 |
9 |
10 |
11 |
12 |
10 |
8 |
8 |
7 |
8 |
Average number of days below 5°F over 48 years |
days |
23 |
11 |
6 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
5 |