Average temperature over 50 years |
°F |
66 |
48 |
51 |
57 |
64 |
73 |
78 |
80 |
80 |
75 |
66 |
57 |
51 |
Average high temperature over 50 years |
°F |
75 |
59 |
62 |
68 |
75 |
82 |
87 |
89 |
89 |
84 |
77 |
69 |
60 |
Average low temperature over 50 years |
°F |
55 |
37 |
39 |
46 |
53 |
62 |
69 |
71 |
71 |
66 |
55 |
46 |
39 |
Highest recorded temperature over 50 years |
°F |
104 |
82 |
87 |
89 |
93 |
98 |
100 |
104 |
102 |
96 |
93 |
87 |
82 |
Lowest recorded temperature over 50 years |
°F |
6 |
6 |
12 |
15 |
30 |
36 |
50 |
57 |
55 |
42 |
26 |
15 |
8 |
Average number of rainy days over 20 years |
days |
106 |
10 |
8 |
9 |
7 |
8 |
10 |
10 |
12 |
10 |
6 |
8 |
9 |
Average number of days above 90°F over 50 years |
days |
53 |
- |
- |
- |
1 |
4 |
11 |
17 |
15 |
5 |
- |
- |
- |
Average precipitation over 50 years |
in |
52.1 |
3.5 |
3.1 |
4.4 |
2.8 |
4.1 |
6.0 |
7.2 |
6.9 |
5.6 |
3.1 |
2.5 |
3.1 |
Average dew point over 51 years |
°F |
55 |
37 |
39 |
44 |
51 |
60 |
68 |
71 |
71 |
66 |
57 |
46 |
39 |
Average number of days above 70°F over 50 years |
days |
254 |
6 |
7 |
15 |
24 |
30 |
30 |
31 |
31 |
30 |
26 |
16 |
7 |
Most recorded rainfall over 50 years |
in |
73.0 |
8.9 |
6.3 |
11.1 |
9.5 |
9.3 |
27.2 |
18.5 |
17.0 |
17.3 |
12.1 |
7.3 |
7.1 |
Least recorded rainfall over 50 years |
in |
30.3 |
0.6 |
0.3 |
0.7 |
- |
0.7 |
1.0 |
1.8 |
0.7 |
0.2 |
0.2 |
0.5 |
0.7 |
Average number of days with thunderstorms over 50 years |
days |
59 |
1 |
1 |
2 |
3 |
7 |
10 |
14 |
12 |
5 |
2 |
1 |
1 |
Average number of days with fog over 50 years |
days |
160 |
14 |
11 |
13 |
12 |
14 |
13 |
11 |
14 |
16 |
14 |
14 |
14 |
Average morning relative humidity over 51 years |
% |
86 |
83 |
81 |
83 |
84 |
85 |
86 |
88 |
90 |
91 |
89 |
86 |
83 |
Average evening relative humidity over 51 years |
% |
58 |
55 |
52 |
51 |
51 |
56 |
62 |
66 |
66 |
65 |
58 |
56 |
55 |
Average wind speed over 51 years |
mph |
9.0 |
9.0 |
11.0 |
11.0 |
11.0 |
9.0 |
8.0 |
9.0 |
8.0 |
9.0 |
9.0 |
9.0 |
9.0 |
Average number of days below 32°F over 50 years |
days |
33 |
11 |
7 |
3 |
- |
- |
- |
- |
- |
- |
- |
3 |
9 |
Heating degree days over 30 years |
days |
1866 |
525 |
399 |
238 |
57 |
- |
- |
- |
- |
- |
46 |
194 |
407 |
Cooling degree days over 30 years |
days |
2313 |
11 |
7 |
18 |
69 |
242 |
414 |
521 |
496 |
354 |
136 |
35 |
10 |