Average temperature over 30 years |
°F |
61 |
41 |
44 |
52 |
60 |
69 |
75 |
79 |
78 |
72 |
61 |
53 |
44 |
Average high temperature over 30 years |
°F |
72 |
51 |
54 |
63 |
73 |
80 |
86 |
89 |
88 |
83 |
74 |
65 |
55 |
Average low temperature over 30 years |
°F |
50 |
30 |
33 |
40 |
48 |
57 |
65 |
69 |
68 |
61 |
49 |
41 |
33 |
Highest recorded temperature over 21 years |
°F |
105 |
78 |
84 |
89 |
95 |
96 |
100 |
104 |
105 |
98 |
96 |
87 |
80 |
Lowest recorded temperature over 21 years |
°F |
0 |
0 |
8 |
19 |
26 |
37 |
46 |
57 |
53 |
43 |
26 |
19 |
1 |
Average number of rainy days over 13 years |
days |
78.2 |
5.5 |
8 |
7 |
5.6 |
5.7 |
7.3 |
9.7 |
7.7 |
6.3 |
5 |
5.1 |
5.3 |
Average number of days above 90°F over 21 years |
days |
46 |
- |
- |
- |
1 |
3 |
9 |
16 |
12 |
5 |
- |
- |
- |
Average precipitation over 30 years |
in |
49.3 |
4.2 |
3.9 |
4.3 |
3.3 |
4.0 |
3.9 |
6.0 |
5.8 |
4.3 |
2.9 |
3.2 |
3.5 |
Average relative humidity over 13 years |
% |
71 |
70 |
69 |
66 |
64 |
69 |
72 |
77 |
77 |
76 |
72 |
71 |
70 |
Average dew point over 21 years |
°F |
51 |
31 |
33 |
39 |
46 |
57 |
64 |
69 |
69 |
64 |
51 |
44 |
35 |
Average number of days above 70°F over 21 years |
days |
220 |
2 |
4 |
10 |
19 |
28 |
30 |
31 |
31 |
29 |
21 |
12 |
4 |
Average number of days with thunderstorms over 21 years |
days |
48 |
1 |
1 |
3 |
3 |
6 |
8 |
11 |
9 |
4 |
1 |
1 |
- |
Average number of days with fog over 21 years |
days |
213 |
15 |
13 |
14 |
11 |
18 |
20 |
23 |
25 |
22 |
20 |
17 |
15 |
Average morning relative humidity over 21 years |
% |
82 |
77 |
78 |
80 |
77 |
82 |
83 |
86 |
89 |
89 |
87 |
83 |
78 |
Average evening relative humidity over 21 years |
% |
53 |
55 |
51 |
50 |
43 |
51 |
54 |
57 |
59 |
58 |
52 |
52 |
55 |
Average wind speed over 21 years |
mph |
5.0 |
5.0 |
6.0 |
6.0 |
6.0 |
5.0 |
5.0 |
4.0 |
4.0 |
5.0 |
5.0 |
5.0 |
5.0 |
Average number of days below 32°F over 21 years |
days |
46 |
14 |
11 |
4 |
- |
- |
- |
- |
- |
- |
- |
4 |
12 |
Average snowfall over 10 years |
in |
5.2 |
0.9 |
0.9 |
1.2 |
- |
- |
- |
- |
- |
- |
- |
- |
2.2 |
Heating degree days over 30 years |
days |
3040 |
744 |
585 |
398 |
142 |
21 |
- |
- |
- |
7 |
158 |
353 |
632 |
Cooling degree days over 30 years |
days |
1689 |
- |
- |
- |
22 |
145 |
330 |
459 |
425 |
241 |
59 |
8 |
- |