Average temperature over 27 years |
°F |
69 |
51 |
55 |
62 |
69 |
75 |
80 |
84 |
82 |
78 |
69 |
60 |
53 |
Average high temperature over 27 years |
°F |
78 |
60 |
66 |
73 |
78 |
84 |
91 |
93 |
93 |
89 |
82 |
71 |
64 |
Average low temperature over 27 years |
°F |
57 |
41 |
44 |
51 |
57 |
64 |
71 |
73 |
73 |
68 |
59 |
50 |
44 |
Highest recorded temperature over 27 years |
°F |
107 |
84 |
91 |
91 |
95 |
96 |
102 |
104 |
107 |
102 |
96 |
89 |
84 |
Lowest recorded temperature over 27 years |
°F |
6 |
12 |
19 |
21 |
31 |
44 |
51 |
62 |
60 |
48 |
28 |
19 |
6 |
Average number of rainy days over 24 years |
days |
106 |
11 |
8 |
9 |
7 |
9 |
9 |
9 |
9 |
9 |
7 |
8 |
9 |
Average number of days above 90°F over 27 years |
days |
97 |
- |
- |
- |
1 |
5 |
20 |
27 |
26 |
15 |
3 |
- |
- |
Average precipitation over 27 years |
in |
47.9 |
3.9 |
2.9 |
3.5 |
3.6 |
5.6 |
5.1 |
3.4 |
3.7 |
4.3 |
4.7 |
3.7 |
3.6 |
Average dew point over 27 years |
°F |
59 |
42 |
44 |
51 |
57 |
66 |
71 |
71 |
71 |
68 |
60 |
51 |
46 |
Most recorded rainfall over 27 years |
in |
70.2 |
9.8 |
6.0 |
8.5 |
10.9 |
14.4 |
16.3 |
8.1 |
9.4 |
11.3 |
16.0 |
8.9 |
9.3 |
Least recorded rainfall over 27 years |
in |
22.9 |
0.4 |
0.4 |
0.9 |
0.4 |
0.8 |
0.3 |
0.5 |
0.3 |
0.8 |
- |
0.4 |
0.6 |
Average number of days with thunderstorms over 27 years |
days |
65 |
2 |
2 |
4 |
4 |
7 |
8 |
10 |
11 |
8 |
4 |
3 |
2 |
Average number of days with fog over 27 years |
days |
189 |
18 |
15 |
18 |
17 |
19 |
13 |
11 |
14 |
16 |
16 |
15 |
17 |
Average morning relative humidity over 27 years |
% |
90 |
86 |
87 |
88 |
89 |
92 |
92 |
93 |
93 |
93 |
91 |
89 |
87 |
Average evening relative humidity over 27 years |
% |
55 |
58 |
55 |
54 |
55 |
57 |
57 |
54 |
55 |
56 |
52 |
55 |
57 |
Average wind speed over 27 years |
mph |
9.0 |
9.0 |
9.0 |
11.0 |
11.0 |
10.0 |
10.0 |
8.0 |
8.0 |
6.0 |
9.0 |
8.0 |
9.0 |
Average number of days below 32°F over 27 years |
days |
19 |
7 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
2 |
5 |
Average snowfall over 59 years |
in |
0.4 |
0.2 |
0.2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of clear days over 24 years |
days |
91 |
7 |
7 |
7 |
7 |
6 |
7 |
7 |
6 |
8 |
11 |
9 |
8 |
Heating degree days over 30 years |
days |
1599 |
468 |
322 |
187 |
36 |
- |
- |
- |
- |
- |
31 |
181 |
374 |
Cooling degree days over 30 years |
days |
2700 |
16 |
11 |
50 |
135 |
295 |
462 |
546 |
536 |
396 |
174 |
61 |
18 |
Average possibility of sunshine over 24 years |
% |
58 |
43 |
49 |
52 |
56 |
60 |
66 |
68 |
67 |
65 |
63 |
51 |
50 |
Average number of cloudy days over 24 years |
days |
160 |
19 |
15 |
17 |
16 |
14 |
10 |
8 |
8 |
10 |
11 |
14 |
18 |
Average number of partly cloudy days over 24 years |
days |
114 |
5 |
6 |
7 |
7 |
11 |
13 |
16 |
17 |
12 |
9 |
7 |
5 |
Average number of days above 80°F over 27 years |
days |
201 |
1 |
2 |
6 |
16 |
26 |
29 |
31 |
31 |
28 |
21 |
8 |
2 |
Average number of days below 45°F over 27 years |
days |
84 |
21 |
17 |
10 |
3 |
- |
- |
- |
- |
- |
2 |
12 |
19 |