Average temperature over 19 years |
°F |
48 |
28 |
32 |
41 |
48 |
57 |
62 |
66 |
66 |
59 |
48 |
37 |
32 |
Average high temperature over 19 years |
°F |
55 |
33 |
37 |
46 |
55 |
66 |
71 |
75 |
75 |
66 |
55 |
42 |
36 |
Average low temperature over 19 years |
°F |
41 |
24 |
26 |
33 |
39 |
48 |
53 |
55 |
55 |
50 |
42 |
34 |
28 |
Highest recorded temperature over 19 years |
°F |
93 |
51 |
62 |
73 |
77 |
84 |
87 |
93 |
93 |
87 |
75 |
62 |
57 |
Lowest recorded temperature over 19 years |
°F |
-11 |
-11 |
-7 |
6 |
23 |
28 |
36 |
44 |
37 |
34 |
23 |
8 |
- |
Average precipitation over 40 years |
in |
19.6 |
1.0 |
0.9 |
1.0 |
1.3 |
2.2 |
3.1 |
2.7 |
2.2 |
1.5 |
1.2 |
1.4 |
1.1 |
Average dew point over 19 years |
°F |
39 |
24 |
26 |
31 |
34 |
44 |
51 |
53 |
53 |
48 |
41 |
33 |
28 |
Most recorded rainfall over 40 years |
in |
27.1 |
3.1 |
2.6 |
2.0 |
3.2 |
4.6 |
6.5 |
7.6 |
6.3 |
3.6 |
4.3 |
3.3 |
2.9 |
Least recorded rainfall over 40 years |
in |
14.2 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.8 |
0.4 |
0.4 |
- |
- |
0.3 |
0.1 |
Average number of days with thunderstorms over 19 years |
days |
20 |
- |
- |
- |
1 |
3 |
5 |
5 |
5 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
219 |
24 |
21 |
20 |
14 |
14 |
14 |
13 |
15 |
19 |
21 |
22 |
22 |
Average morning relative humidity over 19 years |
% |
84 |
91 |
90 |
85 |
77 |
76 |
78 |
78 |
81 |
87 |
89 |
90 |
91 |
Average evening relative humidity over 19 years |
% |
62 |
83 |
74 |
58 |
48 |
51 |
53 |
49 |
48 |
55 |
64 |
80 |
84 |
Average wind speed over 19 years |
mph |
9.0 |
6.0 |
10.0 |
10.0 |
11.0 |
9.0 |
8.0 |
8.0 |
8.0 |
8.0 |
9.0 |
6.0 |
6.0 |
Average number of days below 32°F over 19 years |
days |
106 |
26 |
22 |
14 |
5 |
- |
- |
- |
- |
- |
4 |
13 |
23 |
Average number of days above 65°F over 19 years |
days |
122 |
- |
- |
1 |
4 |
17 |
22 |
27 |
28 |
18 |
4 |
- |
- |
Average number of days below 10°F over 19 years |
days |
6 |
2 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 85°F over 19 years |
days |
6 |
- |
- |
- |
- |
- |
1 |
3 |
3 |
- |
- |
- |
- |