Average temperature over 19 years |
°F |
48 |
26 |
31 |
39 |
48 |
57 |
62 |
66 |
66 |
59 |
48 |
37 |
30 |
Average high temperature over 19 years |
°F |
55 |
31 |
36 |
46 |
57 |
66 |
71 |
75 |
73 |
66 |
55 |
41 |
33 |
Average low temperature over 19 years |
°F |
41 |
23 |
26 |
33 |
41 |
48 |
53 |
57 |
55 |
50 |
42 |
32 |
26 |
Highest recorded temperature over 19 years |
°F |
93 |
51 |
60 |
75 |
78 |
84 |
89 |
93 |
89 |
86 |
75 |
62 |
53 |
Lowest recorded temperature over 19 years |
°F |
-11 |
-11 |
-7 |
3 |
24 |
28 |
32 |
43 |
41 |
28 |
19 |
8 |
-4 |
Average precipitation over 40 years |
in |
24.3 |
1.1 |
1.2 |
1.2 |
1.4 |
2.6 |
3.4 |
3.4 |
3.1 |
2.0 |
1.4 |
1.8 |
1.5 |
Average dew point over 19 years |
°F |
39 |
23 |
24 |
31 |
36 |
46 |
51 |
55 |
53 |
48 |
41 |
32 |
26 |
Most recorded rainfall over 40 years |
in |
33.5 |
2.5 |
3.0 |
2.8 |
2.7 |
5.0 |
7.2 |
6.4 |
6.8 |
4.5 |
4.0 |
4.4 |
3.5 |
Least recorded rainfall over 40 years |
in |
17.0 |
0.2 |
0.1 |
0.1 |
0.4 |
0.6 |
0.9 |
0.7 |
0.3 |
0.2 |
- |
0.1 |
0.2 |
Average number of days with thunderstorms over 19 years |
days |
26 |
- |
- |
- |
1 |
5 |
6 |
6 |
5 |
2 |
1 |
- |
- |
Average number of days with fog over 19 years |
days |
169 |
23 |
18 |
16 |
7 |
6 |
7 |
8 |
9 |
13 |
17 |
21 |
24 |
Average morning relative humidity over 19 years |
% |
83 |
90 |
87 |
85 |
77 |
76 |
77 |
77 |
81 |
86 |
88 |
90 |
90 |
Average evening relative humidity over 19 years |
% |
64 |
83 |
74 |
58 |
51 |
55 |
56 |
54 |
54 |
57 |
65 |
80 |
86 |
Average wind speed over 19 years |
mph |
12.0 |
12.0 |
14.0 |
13.0 |
14.0 |
13.0 |
12.0 |
11.0 |
10.0 |
10.0 |
11.0 |
12.0 |
13.0 |
Average number of days below 32°F over 19 years |
days |
114 |
28 |
23 |
14 |
2 |
- |
- |
- |
- |
- |
4 |
15 |
25 |
Average number of days above 65°F over 19 years |
days |
125 |
- |
- |
1 |
5 |
18 |
24 |
28 |
27 |
18 |
5 |
- |
- |
Average number of days below 10°F over 19 years |
days |
7 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 85°F over 19 years |
days |
6 |
- |
- |
- |
- |
- |
1 |
2 |
3 |
- |
- |
- |
- |