Average temperature over 18 years |
°F |
62 |
39 |
44 |
53 |
62 |
69 |
78 |
82 |
80 |
73 |
62 |
51 |
43 |
Average high temperature over 18 years |
°F |
71 |
46 |
51 |
62 |
71 |
78 |
87 |
91 |
91 |
82 |
73 |
60 |
51 |
Average low temperature over 18 years |
°F |
51 |
30 |
34 |
44 |
51 |
60 |
68 |
71 |
71 |
64 |
53 |
43 |
35 |
Highest recorded temperature over 18 years |
°F |
109 |
75 |
82 |
87 |
93 |
93 |
102 |
109 |
104 |
102 |
91 |
82 |
78 |
Lowest recorded temperature over 18 years |
°F |
-5 |
-5 |
5 |
14 |
30 |
39 |
51 |
60 |
53 |
41 |
26 |
19 |
-2 |
Average number of rainy days over 16 years |
days |
110 |
10 |
9 |
10 |
10 |
12 |
9 |
8 |
7 |
8 |
8 |
9 |
10 |
Average number of days above 90°F over 18 years |
days |
62 |
- |
- |
- |
- |
1 |
13 |
21 |
19 |
7 |
- |
- |
- |
Average precipitation over 18 years |
in |
50.5 |
3.3 |
3.5 |
4.6 |
5.3 |
5.8 |
3.4 |
3.2 |
3.2 |
3.1 |
4.2 |
5.9 |
5.0 |
Most recorded rainfall over 18 years |
in |
63.6 |
6.6 |
9.0 |
10.1 |
11.0 |
10.3 |
6.3 |
8.4 |
8.4 |
8.4 |
14.0 |
14.8 |
13.7 |
Least recorded rainfall over 18 years |
in |
37.0 |
0.5 |
1.3 |
2.6 |
0.7 |
1.0 |
0.6 |
0.6 |
0.1 |
0.5 |
0.9 |
1.7 |
0.7 |
Average number of days with thunderstorms over 15 years |
days |
65 |
2 |
2 |
5 |
7 |
10 |
9 |
9 |
8 |
4 |
4 |
3 |
2 |
Average number of days with fog over 15 years |
days |
119 |
12 |
11 |
10 |
9 |
12 |
9 |
7 |
9 |
10 |
9 |
9 |
12 |
Average number of days below 32°F over 18 years |
days |
50 |
18 |
12 |
4 |
- |
- |
- |
- |
- |
- |
- |
4 |
12 |
Average snowfall over 16 years |
in |
6.6 |
3.0 |
2.4 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
0.4 |
Heating degree days over 30 years |
days |
3228 |
822 |
610 |
395 |
130 |
31 |
- |
- |
- |
11 |
126 |
396 |
707 |
Cooling degree days over 30 years |
days |
1916 |
- |
- |
13 |
58 |
177 |
375 |
508 |
465 |
260 |
60 |
- |
- |
Average possibility of sunshine over 16 years |
% |
73 |
65 |
65 |
72 |
77 |
72 |
81 |
83 |
81 |
79 |
74 |
61 |
60 |
Average number of days below 45°F over 18 years |
days |
130 |
29 |
24 |
18 |
6 |
- |
- |
- |
- |
- |
6 |
19 |
27 |
Average number of days above 75°F over 18 years |
days |
176 |
- |
1 |
5 |
13 |
23 |
29 |
31 |
31 |
25 |
14 |
3 |
- |