Average temperature over 19 years |
°F |
48 |
31 |
31 |
39 |
46 |
55 |
60 |
64 |
64 |
57 |
48 |
39 |
34 |
Average high temperature over 19 years |
°F |
53 |
34 |
35 |
44 |
51 |
62 |
68 |
71 |
71 |
62 |
53 |
42 |
37 |
Average low temperature over 19 years |
°F |
42 |
26 |
26 |
33 |
39 |
48 |
53 |
57 |
57 |
51 |
43 |
35 |
30 |
Highest recorded temperature over 19 years |
°F |
93 |
57 |
64 |
69 |
75 |
87 |
87 |
93 |
93 |
89 |
78 |
64 |
57 |
Lowest recorded temperature over 19 years |
°F |
-7 |
-7 |
-4 |
8 |
23 |
26 |
37 |
41 |
36 |
32 |
23 |
17 |
-4 |
Average precipitation over 40 years |
in |
23.6 |
1.5 |
1.4 |
1.4 |
1.7 |
2.3 |
2.5 |
3.1 |
2.9 |
1.7 |
1.6 |
1.7 |
1.8 |
Average dew point over 18 years |
°F |
39 |
26 |
26 |
32 |
36 |
44 |
50 |
53 |
53 |
48 |
43 |
35 |
31 |
Most recorded rainfall over 40 years |
in |
30.3 |
2.8 |
2.7 |
2.3 |
3.2 |
5.2 |
5.1 |
8.5 |
7.7 |
4.8 |
4.7 |
3.4 |
4.2 |
Least recorded rainfall over 40 years |
in |
17.0 |
0.3 |
0.4 |
0.4 |
0.4 |
0.6 |
0.5 |
0.2 |
0.4 |
- |
0.1 |
0.4 |
0.3 |
Average number of days with thunderstorms over 18 years |
days |
15 |
- |
- |
- |
1 |
3 |
4 |
3 |
3 |
1 |
- |
- |
- |
Average number of days with fog over 18 years |
days |
254 |
25 |
23 |
23 |
19 |
16 |
16 |
15 |
19 |
23 |
26 |
24 |
25 |
Average morning relative humidity over 18 years |
% |
87 |
89 |
89 |
87 |
83 |
80 |
82 |
82 |
84 |
89 |
92 |
91 |
91 |
Average evening relative humidity over 18 years |
% |
68 |
83 |
76 |
66 |
59 |
55 |
58 |
57 |
57 |
65 |
74 |
83 |
87 |
Average wind speed over 18 years |
mph |
9.0 |
10.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
10.0 |
11.0 |
Average number of days below 32°F over 19 years |
days |
94 |
22 |
21 |
14 |
5 |
- |
- |
- |
- |
- |
2 |
11 |
19 |
Average number of days above 65°F over 19 years |
days |
95 |
- |
- |
1 |
3 |
13 |
18 |
22 |
23 |
11 |
3 |
- |
- |
Average number of days below 10°F over 19 years |
days |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 85°F over 19 years |
days |
4 |
- |
- |
- |
- |
- |
1 |
1 |
2 |
- |
- |
- |
- |