Average temperature over 19 years |
°F |
46 |
26 |
31 |
39 |
46 |
57 |
62 |
64 |
64 |
57 |
48 |
37 |
30 |
Average high temperature over 19 years |
°F |
55 |
32 |
37 |
48 |
57 |
66 |
71 |
75 |
75 |
68 |
57 |
42 |
34 |
Average low temperature over 19 years |
°F |
37 |
19 |
23 |
31 |
37 |
46 |
51 |
53 |
53 |
48 |
39 |
31 |
24 |
Highest recorded temperature over 19 years |
°F |
93 |
53 |
62 |
75 |
80 |
86 |
89 |
93 |
91 |
89 |
77 |
60 |
59 |
Lowest recorded temperature over 19 years |
°F |
-20 |
-20 |
-14 |
0 |
23 |
26 |
32 |
39 |
36 |
26 |
16 |
-5 |
-13 |
Average precipitation over 40 years |
in |
27.1 |
1.7 |
1.8 |
1.7 |
1.8 |
2.4 |
3.4 |
2.6 |
2.6 |
2.1 |
1.9 |
2.5 |
2.3 |
Average dew point over 19 years |
°F |
37 |
21 |
24 |
31 |
35 |
44 |
51 |
53 |
53 |
48 |
39 |
32 |
26 |
Most recorded rainfall over 40 years |
in |
38.8 |
4.4 |
4.6 |
4.8 |
4.6 |
6.3 |
6.4 |
7.6 |
6.4 |
8.6 |
7.7 |
6.1 |
4.9 |
Least recorded rainfall over 40 years |
in |
18.7 |
- |
- |
- |
0.2 |
0.4 |
0.7 |
0.7 |
0.5 |
- |
0.3 |
0.5 |
0.2 |
Average number of days with thunderstorms over 19 years |
days |
22 |
- |
- |
- |
1 |
5 |
5 |
5 |
5 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
241 |
24 |
21 |
20 |
16 |
17 |
17 |
16 |
21 |
21 |
22 |
22 |
24 |
Average morning relative humidity over 19 years |
% |
89 |
91 |
91 |
91 |
85 |
83 |
83 |
83 |
89 |
92 |
92 |
91 |
92 |
Average evening relative humidity over 19 years |
% |
60 |
79 |
67 |
55 |
47 |
50 |
51 |
48 |
48 |
53 |
61 |
76 |
84 |
Average wind speed over 19 years |
mph |
6.0 |
6.0 |
8.0 |
6.0 |
8.0 |
8.0 |
8.0 |
8.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
Average number of days below 32°F over 19 years |
days |
127 |
27 |
24 |
19 |
7 |
1 |
- |
- |
- |
- |
7 |
16 |
25 |
Average number of days above 65°F over 19 years |
days |
130 |
- |
- |
1 |
5 |
19 |
24 |
28 |
28 |
19 |
6 |
- |
- |
Average number of days below 5°F over 19 years |
days |
8 |
4 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 85°F over 19 years |
days |
9 |
- |
- |
- |
- |
- |
1 |
4 |
4 |
- |
- |
- |
- |