Average temperature over 41 years |
°F |
62 |
42 |
46 |
53 |
62 |
69 |
77 |
80 |
78 |
73 |
62 |
53 |
44 |
Average high temperature over 41 years |
°F |
71 |
51 |
55 |
64 |
73 |
80 |
87 |
89 |
87 |
82 |
73 |
64 |
55 |
Average low temperature over 41 years |
°F |
51 |
32 |
35 |
42 |
50 |
57 |
66 |
69 |
69 |
62 |
51 |
42 |
35 |
Highest recorded temperature over 41 years |
°F |
107 |
80 |
80 |
87 |
93 |
96 |
102 |
104 |
107 |
98 |
91 |
86 |
78 |
Lowest recorded temperature over 41 years |
°F |
-4 |
-4 |
5 |
10 |
26 |
37 |
44 |
55 |
53 |
36 |
28 |
15 |
1 |
Average number of rainy days over 50 years |
days |
110 |
11 |
9 |
11 |
8 |
9 |
9 |
11 |
9 |
8 |
7 |
8 |
10 |
Average number of days above 90°F over 41 years |
days |
49 |
- |
- |
- |
- |
3 |
11 |
17 |
14 |
5 |
- |
- |
- |
Average precipitation over 41 years |
in |
50.2 |
4.6 |
4.5 |
5.5 |
3.8 |
4.3 |
4.1 |
5.0 |
3.8 |
3.6 |
3.4 |
3.7 |
3.8 |
Average dew point over 40 years |
°F |
50 |
31 |
32 |
39 |
46 |
57 |
64 |
69 |
69 |
62 |
51 |
41 |
34 |
Average number of days above 70°F over 41 years |
days |
219 |
1 |
3 |
11 |
21 |
29 |
30 |
31 |
31 |
28 |
22 |
10 |
3 |
Most recorded rainfall over 41 years |
in |
71.4 |
9.5 |
9.2 |
10.9 |
9.5 |
11.3 |
13.3 |
10.5 |
7.4 |
10.3 |
7.7 |
9.2 |
8.4 |
Least recorded rainfall over 41 years |
in |
32.4 |
0.6 |
0.8 |
1.1 |
0.7 |
0.4 |
0.9 |
1.4 |
0.5 |
0.6 |
- |
1.0 |
0.8 |
Average number of days with thunderstorms over 41 years |
days |
50 |
1 |
1 |
3 |
4 |
6 |
9 |
12 |
8 |
3 |
1 |
1 |
1 |
Average number of days with fog over 41 years |
days |
187 |
15 |
12 |
13 |
11 |
16 |
16 |
19 |
22 |
20 |
16 |
13 |
14 |
Average morning relative humidity over 40 years |
% |
85 |
80 |
79 |
80 |
82 |
86 |
87 |
90 |
92 |
92 |
89 |
85 |
81 |
Average evening relative humidity over 40 years |
% |
52 |
54 |
50 |
48 |
45 |
51 |
53 |
57 |
57 |
57 |
52 |
51 |
54 |
Average wind speed over 40 years |
mph |
9.0 |
10.0 |
10.0 |
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 41 years |
days |
53 |
16 |
12 |
5 |
- |
- |
- |
- |
- |
- |
- |
5 |
13 |
Average snowfall over 50 years |
in |
2.4 |
0.9 |
0.7 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
0.1 |
0.2 |
Average number of clear days over 50 years |
days |
113 |
9 |
9 |
9 |
10 |
9 |
8 |
7 |
8 |
10 |
14 |
12 |
10 |
Heating degree days over 30 years |
days |
2893 |
719 |
546 |
359 |
131 |
27 |
- |
- |
- |
- |
140 |
354 |
617 |
Cooling degree days over 30 years |
days |
1709 |
- |
- |
6 |
29 |
161 |
342 |
453 |
419 |
240 |
53 |
6 |
- |
Average number of cloudy days over 50 years |
days |
147 |
15 |
13 |
15 |
11 |
12 |
10 |
11 |
10 |
11 |
10 |
12 |
15 |
Average number of partly cloudy days over 50 years |
days |
106 |
7 |
6 |
7 |
9 |
10 |
12 |
13 |
13 |
9 |
7 |
6 |
6 |
Average number of days below 10°F over 41 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |