Average temperature over 48 years |
°F |
60 |
37 |
41 |
50 |
60 |
68 |
75 |
80 |
78 |
71 |
60 |
48 |
41 |
Average high temperature over 48 years |
°F |
69 |
46 |
51 |
60 |
71 |
78 |
87 |
89 |
89 |
82 |
71 |
60 |
50 |
Average low temperature over 48 years |
°F |
48 |
28 |
31 |
39 |
48 |
57 |
64 |
69 |
68 |
60 |
48 |
39 |
31 |
Highest recorded temperature over 48 years |
°F |
107 |
78 |
84 |
86 |
91 |
95 |
105 |
107 |
104 |
105 |
93 |
84 |
78 |
Lowest recorded temperature over 48 years |
°F |
-16 |
-16 |
-13 |
1 |
23 |
34 |
42 |
53 |
48 |
36 |
26 |
0 |
-9 |
Average number of rainy days over 52 years |
days |
119 |
11 |
11 |
12 |
11 |
11 |
9 |
10 |
9 |
8 |
7 |
9 |
11 |
Average number of days above 90°F over 48 years |
days |
50 |
- |
- |
- |
- |
2 |
10 |
18 |
14 |
6 |
- |
- |
- |
Average precipitation over 48 years |
in |
47.6 |
4.3 |
4.2 |
5.0 |
4.0 |
4.6 |
3.8 |
3.8 |
3.3 |
3.4 |
2.7 |
3.9 |
4.6 |
Average dew point over 384 years |
°F |
48 |
28 |
31 |
37 |
46 |
57 |
64 |
68 |
66 |
60 |
48 |
39 |
32 |
Average number of days above 70°F over 48 years |
days |
203 |
1 |
2 |
8 |
18 |
27 |
30 |
31 |
31 |
28 |
20 |
6 |
1 |
Most recorded rainfall over 48 years |
in |
70.1 |
13.9 |
10.3 |
12.3 |
8.4 |
11.0 |
9.4 |
7.8 |
8.0 |
11.4 |
6.1 |
7.8 |
13.6 |
Least recorded rainfall over 48 years |
in |
30.2 |
0.2 |
0.6 |
1.2 |
0.5 |
0.8 |
0.4 |
0.7 |
0.7 |
0.3 |
- |
0.5 |
1.0 |
Average number of days with thunderstorms over 48 years |
days |
54 |
1 |
2 |
4 |
5 |
7 |
8 |
10 |
8 |
4 |
2 |
2 |
1 |
Average number of days with fog over 48 years |
days |
154 |
14 |
13 |
11 |
9 |
12 |
11 |
14 |
16 |
15 |
14 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
85 |
81 |
81 |
80 |
81 |
86 |
86 |
88 |
90 |
90 |
87 |
82 |
82 |
Average evening relative humidity over 48 years |
% |
54 |
61 |
56 |
51 |
48 |
52 |
53 |
54 |
53 |
52 |
49 |
55 |
60 |
Average wind speed over 48 years |
mph |
8.0 |
10.0 |
9.0 |
10.0 |
9.0 |
8.0 |
6.0 |
6.0 |
6.0 |
6.0 |
8.0 |
9.0 |
9.0 |
Average number of days below 32°F over 48 years |
days |
76 |
21 |
16 |
10 |
2 |
- |
- |
- |
- |
- |
1 |
9 |
18 |
Average snowfall over 52 years |
in |
10.2 |
3.8 |
3.1 |
1.4 |
- |
- |
- |
- |
- |
- |
- |
0.4 |
1.5 |
Average number of clear days over 52 years |
days |
103 |
7 |
7 |
8 |
8 |
8 |
8 |
8 |
10 |
11 |
13 |
9 |
7 |
Heating degree days over 30 years |
days |
3729 |
893 |
689 |
469 |
193 |
59 |
- |
- |
- |
21 |
195 |
450 |
760 |
Cooling degree days over 30 years |
days |
1616 |
- |
- |
10 |
19 |
143 |
318 |
443 |
406 |
225 |
52 |
- |
- |
Average possibility of sunshine over 51 years |
% |
56 |
41 |
47 |
52 |
59 |
60 |
65 |
63 |
63 |
63 |
62 |
50 |
42 |
Average number of cloudy days over 52 years |
days |
156 |
18 |
15 |
16 |
13 |
13 |
9 |
10 |
9 |
10 |
10 |
14 |
17 |
Average number of partly cloudy days over 52 years |
days |
106 |
6 |
6 |
7 |
9 |
10 |
13 |
13 |
12 |
9 |
8 |
7 |
7 |
Average number of days below 10°F over 48 years |
days |
5 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |