Average temperature over 37 years |
°F |
60 |
39 |
44 |
51 |
60 |
69 |
75 |
80 |
78 |
73 |
62 |
51 |
43 |
Average high temperature over 37 years |
°F |
71 |
48 |
53 |
62 |
73 |
80 |
87 |
89 |
89 |
82 |
73 |
62 |
51 |
Average low temperature over 37 years |
°F |
50 |
30 |
33 |
41 |
48 |
57 |
64 |
69 |
68 |
62 |
50 |
39 |
33 |
Highest recorded temperature over 37 years |
°F |
104 |
75 |
82 |
87 |
91 |
96 |
100 |
104 |
102 |
100 |
91 |
84 |
77 |
Lowest recorded temperature over 37 years |
°F |
-11 |
-11 |
5 |
6 |
26 |
36 |
44 |
53 |
51 |
37 |
28 |
15 |
-2 |
Average number of rainy days over 26 years |
days |
117 |
11 |
10 |
12 |
10 |
11 |
9 |
10 |
9 |
9 |
7 |
10 |
11 |
Average number of days above 90°F over 37 years |
days |
49 |
- |
- |
- |
- |
2 |
10 |
17 |
15 |
6 |
- |
- |
- |
Average precipitation over 37 years |
in |
56.8 |
5.0 |
5.0 |
6.6 |
4.8 |
5.1 |
4.3 |
4.6 |
3.5 |
4.1 |
3.3 |
4.7 |
5.7 |
Average dew point over 23 years |
°F |
50 |
30 |
33 |
39 |
46 |
57 |
64 |
69 |
68 |
62 |
50 |
41 |
33 |
Average number of days above 70°F over 37 years |
days |
212 |
1 |
2 |
9 |
20 |
28 |
30 |
31 |
31 |
29 |
21 |
8 |
1 |
Most recorded rainfall over 37 years |
in |
73.6 |
10.9 |
10.1 |
17.0 |
12.5 |
11.9 |
15.0 |
14.8 |
9.8 |
9.8 |
12.1 |
11.5 |
18.7 |
Least recorded rainfall over 37 years |
in |
41.8 |
1.3 |
0.6 |
1.6 |
0.4 |
1.5 |
0.2 |
0.8 |
0.7 |
0.5 |
- |
0.6 |
0.8 |
Average number of days with thunderstorms over 37 years |
days |
54 |
1 |
2 |
4 |
5 |
7 |
8 |
10 |
8 |
4 |
2 |
2 |
1 |
Average number of days with fog over 37 years |
days |
154 |
13 |
11 |
11 |
8 |
12 |
13 |
16 |
17 |
15 |
13 |
12 |
13 |
Average morning relative humidity over 23 years |
% |
82 |
82 |
81 |
79 |
78 |
79 |
81 |
84 |
86 |
85 |
86 |
84 |
81 |
Average evening relative humidity over 23 years |
% |
54 |
60 |
56 |
51 |
46 |
51 |
53 |
56 |
55 |
54 |
51 |
55 |
60 |
Average wind speed over 28 years |
mph |
9.0 |
9.0 |
9.0 |
10.0 |
10.0 |
8.0 |
6.0 |
6.0 |
6.0 |
8.0 |
8.0 |
9.0 |
10.0 |
Average number of days below 32°F over 37 years |
days |
66 |
19 |
14 |
7 |
1 |
- |
- |
- |
- |
- |
- |
8 |
16 |
Average snowfall over 26 years |
in |
2.8 |
1.5 |
0.7 |
0.4 |
- |
- |
- |
- |
- |
- |
- |
- |
0.2 |
Average number of clear days over 26 years |
days |
100 |
7 |
7 |
7 |
9 |
8 |
8 |
7 |
9 |
9 |
12 |
9 |
7 |
Heating degree days over 30 years |
days |
3323 |
812 |
613 |
417 |
158 |
41 |
- |
- |
- |
13 |
173 |
411 |
685 |
Cooling degree days over 30 years |
days |
1651 |
- |
- |
11 |
32 |
147 |
324 |
434 |
412 |
229 |
56 |
6 |
- |
Average number of cloudy days over 26 years |
days |
164 |
18 |
15 |
16 |
14 |
13 |
11 |
11 |
9 |
12 |
12 |
14 |
18 |
Average number of partly cloudy days over 26 years |
days |
101 |
6 |
6 |
8 |
7 |
10 |
11 |
13 |
13 |
9 |
7 |
7 |
6 |
Average number of days below 10°F over 37 years |
days |
2 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |