Average temperature over 30 years |
°F |
68 |
53 |
55 |
62 |
67 |
73 |
78 |
80 |
80 |
78 |
70 |
62 |
55 |
Average high temperature over 30 years |
°F |
79 |
65 |
68 |
74 |
80 |
86 |
89 |
90 |
90 |
87 |
80 |
74 |
68 |
Average low temperature over 30 years |
°F |
57 |
42 |
44 |
50 |
55 |
62 |
68 |
70 |
71 |
68 |
59 |
50 |
44 |
Highest recorded temperature over 19 years |
°F |
102 |
82 |
84 |
89 |
95 |
98 |
102 |
98 |
98 |
95 |
91 |
87 |
84 |
Lowest recorded temperature over 19 years |
°F |
10 |
10 |
19 |
28 |
35 |
42 |
50 |
62 |
62 |
48 |
33 |
28 |
12 |
Average number of rainy days over 10 years |
days |
116 |
10 |
8 |
8 |
6 |
7 |
13 |
15 |
16 |
13 |
7 |
7 |
6 |
Average number of days above 90°F over 19 years |
days |
77 |
- |
- |
- |
2 |
9 |
17 |
20 |
19 |
9 |
1 |
- |
- |
Average precipitation over 30 years |
in |
51.8 |
3.4 |
4.2 |
3.7 |
2.6 |
3.8 |
6.8 |
6.8 |
8.0 |
5.3 |
1.8 |
2.3 |
3.3 |
Average dew point over 12 years |
°F |
60 |
46 |
48 |
53 |
55 |
62 |
69 |
73 |
73 |
69 |
62 |
57 |
48 |
Most recorded rainfall over 19 years |
in |
70.8 |
9.0 |
6.9 |
9.8 |
6.0 |
7.2 |
14.8 |
12.2 |
15.8 |
12.0 |
8.0 |
4.5 |
6.4 |
Least recorded rainfall over 19 years |
in |
40.5 |
0.5 |
0.3 |
0.7 |
0.4 |
0.2 |
2.2 |
1.5 |
2.5 |
1.9 |
- |
0.3 |
0.2 |
Average number of days with thunderstorms over 19 years |
days |
78 |
1 |
2 |
3 |
3 |
6 |
13 |
20 |
17 |
8 |
3 |
1 |
1 |
Average number of days with fog over 19 years |
days |
251 |
19 |
17 |
20 |
21 |
22 |
23 |
21 |
24 |
23 |
21 |
21 |
19 |
Average morning relative humidity over 12 years |
% |
93 |
90 |
90 |
92 |
92 |
91 |
93 |
94 |
96 |
96 |
94 |
94 |
92 |
Average evening relative humidity over 12 years |
% |
60 |
60 |
55 |
52 |
50 |
51 |
61 |
67 |
67 |
67 |
63 |
63 |
61 |
Average wind speed over 12 years |
mph |
9.0 |
9.0 |
10.0 |
10.0 |
9.0 |
9.0 |
9.0 |
9.0 |
6.0 |
8.0 |
9.0 |
9.0 |
8.0 |
Heating degree days over 30 years |
days |
1316 |
384 |
282 |
138 |
30 |
- |
- |
- |
- |
- |
22 |
150 |
310 |
Cooling degree days over 30 years |
days |
2570 |
34 |
24 |
61 |
117 |
279 |
417 |
487 |
477 |
390 |
184 |
69 |
31 |
Average number of days above 80°F over 19 years |
days |
208 |
1 |
3 |
10 |
19 |
28 |
29 |
31 |
30 |
28 |
18 |
8 |
2 |
Average number of days below 45°F over 19 years |
days |
73 |
18 |
15 |
9 |
3 |
- |
- |
- |
- |
- |
2 |
9 |
17 |