Average temperature over 50 years |
°F |
62 |
43 |
46 |
53 |
62 |
69 |
77 |
78 |
78 |
73 |
62 |
53 |
44 |
Average high temperature over 50 years |
°F |
71 |
51 |
55 |
64 |
73 |
80 |
86 |
89 |
87 |
82 |
73 |
62 |
53 |
Average low temperature over 50 years |
°F |
51 |
33 |
36 |
43 |
51 |
59 |
66 |
69 |
69 |
64 |
53 |
42 |
36 |
Highest recorded temperature over 50 years |
°F |
105 |
78 |
80 |
89 |
93 |
95 |
100 |
105 |
102 |
98 |
95 |
84 |
78 |
Lowest recorded temperature over 50 years |
°F |
-7 |
-7 |
5 |
10 |
26 |
37 |
46 |
53 |
55 |
36 |
28 |
3 |
- |
Average number of rainy days over 59 years |
days |
115 |
11 |
10 |
11 |
9 |
9 |
10 |
12 |
10 |
8 |
6 |
8 |
10 |
Average number of days above 90°F over 50 years |
days |
39 |
- |
- |
- |
- |
2 |
10 |
13 |
11 |
4 |
- |
- |
- |
Average precipitation over 50 years |
in |
50.3 |
4.7 |
4.6 |
5.6 |
4.1 |
4.0 |
3.7 |
5.3 |
3.7 |
3.6 |
3.0 |
4.0 |
4.1 |
Average dew point over 408 years |
°F |
48 |
32 |
33 |
39 |
46 |
55 |
64 |
68 |
68 |
62 |
51 |
41 |
34 |
Average number of days above 70°F over 50 years |
days |
215 |
1 |
3 |
10 |
20 |
29 |
30 |
31 |
31 |
28 |
21 |
8 |
2 |
Most recorded rainfall over 50 years |
in |
71.2 |
10.2 |
12.8 |
11.7 |
11.9 |
8.4 |
10.0 |
17.7 |
8.7 |
11.6 |
11.0 |
15.7 |
9.9 |
Least recorded rainfall over 50 years |
in |
31.8 |
0.8 |
0.8 |
1.9 |
0.5 |
0.4 |
0.2 |
0.6 |
0.5 |
- |
- |
0.8 |
0.7 |
Average number of days with thunderstorms over 50 years |
days |
47 |
1 |
2 |
3 |
4 |
6 |
8 |
10 |
7 |
3 |
1 |
1 |
1 |
Average number of days with fog over 50 years |
days |
148 |
14 |
11 |
11 |
9 |
11 |
11 |
14 |
16 |
14 |
12 |
12 |
13 |
Average morning relative humidity over 51 years |
% |
82 |
79 |
77 |
78 |
78 |
82 |
84 |
88 |
89 |
88 |
84 |
81 |
80 |
Average evening relative humidity over 51 years |
% |
52 |
56 |
50 |
48 |
45 |
49 |
53 |
57 |
56 |
56 |
51 |
52 |
56 |
Average wind speed over 51 years |
mph |
10.0 |
12.0 |
12.0 |
12.0 |
11.0 |
10.0 |
9.0 |
8.0 |
8.0 |
10.0 |
9.0 |
11.0 |
11.0 |
Average number of days below 32°F over 50 years |
days |
48 |
15 |
11 |
5 |
- |
- |
- |
- |
- |
- |
- |
5 |
12 |
Average snowfall over 59 years |
in |
2.0 |
0.9 |
0.5 |
0.4 |
- |
- |
- |
- |
- |
- |
- |
- |
0.2 |
Average number of clear days over 59 years |
days |
110 |
8 |
8 |
9 |
10 |
9 |
8 |
6 |
8 |
10 |
14 |
12 |
9 |
Heating degree days over 30 years |
days |
2991 |
744 |
566 |
365 |
138 |
27 |
- |
- |
- |
10 |
138 |
367 |
636 |
Cooling degree days over 30 years |
days |
1667 |
- |
- |
8 |
33 |
157 |
330 |
428 |
406 |
241 |
54 |
10 |
- |
Average possibility of sunshine over 58 years |
% |
61 |
49 |
54 |
58 |
66 |
68 |
67 |
63 |
64 |
63 |
67 |
58 |
50 |
Average number of cloudy days over 59 years |
days |
148 |
16 |
14 |
15 |
12 |
11 |
10 |
12 |
10 |
10 |
10 |
12 |
16 |
Average number of partly cloudy days over 59 years |
days |
106 |
7 |
6 |
7 |
8 |
11 |
12 |
13 |
13 |
10 |
7 |
6 |
6 |
Average number of days below 10°F over 50 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |