Average temperature over 48 years |
°F |
62 |
39 |
44 |
53 |
62 |
71 |
78 |
82 |
80 |
73 |
62 |
51 |
44 |
Average high temperature over 48 years |
°F |
71 |
48 |
53 |
62 |
73 |
80 |
89 |
91 |
89 |
84 |
73 |
62 |
51 |
Average low temperature over 48 years |
°F |
53 |
32 |
35 |
43 |
51 |
60 |
69 |
73 |
71 |
64 |
51 |
42 |
35 |
Highest recorded temperature over 48 years |
°F |
107 |
78 |
80 |
84 |
93 |
98 |
104 |
107 |
102 |
102 |
95 |
84 |
80 |
Lowest recorded temperature over 48 years |
°F |
-13 |
-4 |
-11 |
15 |
28 |
39 |
48 |
57 |
53 |
36 |
24 |
8 |
-13 |
Average number of rainy days over 43 years |
days |
107 |
10 |
9 |
11 |
10 |
9 |
9 |
9 |
8 |
7 |
6 |
9 |
10 |
Average number of days above 90°F over 48 years |
days |
66 |
- |
- |
- |
- |
3 |
14 |
22 |
18 |
8 |
1 |
- |
- |
Average precipitation over 48 years |
in |
52.4 |
4.7 |
4.5 |
5.2 |
5.6 |
4.9 |
3.9 |
3.9 |
3.4 |
3.2 |
2.9 |
4.8 |
5.3 |
Average dew point over 41 years |
°F |
50 |
30 |
34 |
39 |
48 |
59 |
66 |
69 |
69 |
62 |
50 |
39 |
33 |
Average number of days above 70°F over 48 years |
days |
215 |
1 |
3 |
9 |
20 |
28 |
30 |
31 |
31 |
29 |
22 |
8 |
2 |
Most recorded rainfall over 48 years |
in |
76.8 |
15.9 |
10.5 |
12.1 |
17.1 |
11.6 |
7.5 |
8.8 |
9.6 |
7.6 |
7.8 |
10.5 |
13.8 |
Least recorded rainfall over 48 years |
in |
38.5 |
0.6 |
1.1 |
1.5 |
1.4 |
0.8 |
- |
0.4 |
0.4 |
0.2 |
- |
0.5 |
1.0 |
Average number of days with thunderstorms over 48 years |
days |
52 |
2 |
2 |
4 |
6 |
7 |
8 |
8 |
6 |
3 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
109 |
13 |
10 |
9 |
7 |
8 |
6 |
7 |
9 |
10 |
9 |
10 |
11 |
Average morning relative humidity over 41 years |
% |
78 |
79 |
78 |
75 |
74 |
77 |
77 |
80 |
81 |
82 |
81 |
79 |
78 |
Average evening relative humidity over 41 years |
% |
54 |
60 |
56 |
52 |
49 |
53 |
53 |
55 |
54 |
53 |
49 |
54 |
60 |
Average wind speed over 41 years |
mph |
9.0 |
11.0 |
10.0 |
11.0 |
11.0 |
9.0 |
8.0 |
8.0 |
6.0 |
9.0 |
8.0 |
10.0 |
10.0 |
Average number of days below 32°F over 48 years |
days |
55 |
18 |
12 |
5 |
- |
- |
- |
- |
- |
- |
- |
6 |
14 |
Average snowfall over 43 years |
in |
5.1 |
2.3 |
1.3 |
0.8 |
- |
- |
- |
- |
- |
- |
- |
0.1 |
0.6 |
Average number of clear days over 41 years |
days |
118 |
8 |
8 |
8 |
9 |
8 |
10 |
10 |
11 |
12 |
14 |
10 |
9 |
Heating degree days over 30 years |
days |
3082 |
784 |
582 |
383 |
127 |
25 |
- |
- |
- |
10 |
131 |
380 |
660 |
Cooling degree days over 30 years |
days |
2118 |
- |
- |
14 |
64 |
217 |
423 |
546 |
496 |
286 |
72 |
- |
- |
Average possibility of sunshine over 35 years |
% |
64 |
50 |
54 |
56 |
64 |
69 |
74 |
74 |
75 |
69 |
70 |
58 |
50 |
Average number of cloudy days over 41 years |
days |
151 |
17 |
14 |
17 |
14 |
13 |
9 |
9 |
8 |
10 |
10 |
14 |
16 |
Average number of partly cloudy days over 41 years |
days |
96 |
6 |
6 |
6 |
7 |
10 |
11 |
12 |
12 |
8 |
7 |
6 |
6 |
Average number of days below 10°F over 48 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |