Average temperature over 48 years |
°F |
68 |
51 |
53 |
60 |
68 |
75 |
80 |
82 |
82 |
78 |
69 |
59 |
53 |
Average high temperature over 48 years |
°F |
77 |
60 |
64 |
69 |
78 |
84 |
89 |
91 |
91 |
87 |
78 |
69 |
62 |
Average low temperature over 48 years |
°F |
57 |
41 |
44 |
50 |
57 |
64 |
71 |
73 |
73 |
69 |
57 |
48 |
43 |
Highest recorded temperature over 48 years |
°F |
104 |
84 |
84 |
89 |
93 |
100 |
102 |
104 |
102 |
98 |
93 |
87 |
80 |
Lowest recorded temperature over 48 years |
°F |
3 |
3 |
10 |
21 |
32 |
43 |
48 |
62 |
59 |
42 |
30 |
21 |
8 |
Average number of rainy days over 52 years |
days |
122 |
11 |
10 |
10 |
7 |
9 |
11 |
16 |
14 |
10 |
6 |
8 |
10 |
Average number of days above 90°F over 48 years |
days |
75 |
- |
- |
- |
- |
5 |
17 |
22 |
21 |
10 |
1 |
- |
- |
Average precipitation over 48 years |
in |
66.0 |
5.0 |
5.2 |
6.6 |
5.3 |
5.6 |
5.3 |
7.7 |
6.8 |
6.0 |
3.0 |
4.2 |
5.4 |
Average dew point over 33 years |
°F |
57 |
41 |
44 |
48 |
55 |
62 |
69 |
71 |
71 |
66 |
57 |
48 |
43 |
Average number of days above 70°F over 48 years |
days |
269 |
7 |
10 |
19 |
27 |
31 |
30 |
31 |
31 |
30 |
28 |
17 |
9 |
Most recorded rainfall over 48 years |
in |
86.6 |
16.1 |
11.9 |
13.5 |
17.7 |
15.1 |
13.1 |
19.3 |
15.2 |
14.0 |
13.2 |
13.6 |
11.4 |
Least recorded rainfall over 48 years |
in |
42.3 |
1.0 |
1.3 |
0.6 |
0.5 |
0.4 |
1.2 |
1.7 |
1.5 |
0.6 |
- |
0.3 |
1.3 |
Average number of days with thunderstorms over 48 years |
days |
78 |
2 |
2 |
5 |
5 |
7 |
12 |
18 |
14 |
7 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
157 |
15 |
13 |
16 |
15 |
14 |
9 |
10 |
13 |
13 |
12 |
13 |
14 |
Average morning relative humidity over 33 years |
% |
84 |
84 |
85 |
83 |
82 |
81 |
82 |
85 |
86 |
86 |
84 |
84 |
84 |
Average evening relative humidity over 33 years |
% |
60 |
60 |
58 |
55 |
54 |
57 |
62 |
67 |
65 |
61 |
55 |
58 |
62 |
Average wind speed over 38 years |
mph |
10.0 |
12.0 |
12.0 |
11.0 |
11.0 |
10.0 |
9.0 |
8.0 |
8.0 |
9.0 |
8.0 |
11.0 |
11.0 |
Average number of days below 32°F over 48 years |
days |
21 |
8 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
2 |
6 |
Average snowfall over 52 years |
in |
0.5 |
0.1 |
0.2 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.1 |
Average number of clear days over 45 years |
days |
103 |
8 |
8 |
9 |
9 |
9 |
7 |
4 |
6 |
9 |
14 |
11 |
9 |
Heating degree days over 30 years |
days |
1702 |
492 |
344 |
177 |
48 |
- |
- |
- |
- |
- |
52 |
196 |
393 |
Cooling degree days over 30 years |
days |
2627 |
24 |
14 |
38 |
132 |
295 |
462 |
536 |
521 |
387 |
157 |
40 |
21 |
Average number of cloudy days over 45 years |
days |
147 |
17 |
14 |
14 |
12 |
11 |
9 |
12 |
10 |
11 |
9 |
12 |
16 |
Average number of partly cloudy days over 45 years |
days |
116 |
6 |
6 |
8 |
9 |
11 |
14 |
15 |
15 |
10 |
8 |
7 |
6 |