Average temperature over 19 years |
°F |
46 |
28 |
30 |
37 |
44 |
55 |
60 |
64 |
64 |
55 |
48 |
37 |
33 |
Average high temperature over 19 years |
°F |
53 |
33 |
34 |
43 |
53 |
64 |
69 |
71 |
71 |
64 |
53 |
42 |
36 |
Average low temperature over 19 years |
°F |
39 |
24 |
24 |
31 |
37 |
46 |
51 |
55 |
53 |
48 |
41 |
34 |
28 |
Highest recorded temperature over 19 years |
°F |
93 |
53 |
62 |
71 |
77 |
89 |
93 |
93 |
93 |
89 |
77 |
59 |
55 |
Lowest recorded temperature over 19 years |
°F |
-23 |
-23 |
-18 |
-7 |
17 |
26 |
34 |
41 |
36 |
26 |
16 |
8 |
-4 |
Average precipitation over 40 years |
in |
20.2 |
1.1 |
1.0 |
0.9 |
1.2 |
1.9 |
2.7 |
3.2 |
2.3 |
1.6 |
1.1 |
1.4 |
1.4 |
Average dew point over 18 years |
°F |
39 |
26 |
24 |
31 |
35 |
44 |
51 |
53 |
53 |
48 |
42 |
35 |
30 |
Most recorded rainfall over 40 years |
in |
29.1 |
2.2 |
2.2 |
2.0 |
3.9 |
4.9 |
7.2 |
9.3 |
6.2 |
3.6 |
2.2 |
3.2 |
3.5 |
Least recorded rainfall over 40 years |
in |
12.3 |
0.4 |
0.2 |
0.2 |
0.2 |
0.4 |
0.9 |
0.7 |
0.2 |
0.2 |
- |
0.2 |
0.3 |
Average number of days with thunderstorms over 19 years |
days |
13 |
- |
- |
- |
1 |
2 |
4 |
3 |
2 |
1 |
- |
- |
- |
Average number of days with fog over 19 years |
days |
298 |
27 |
25 |
26 |
23 |
20 |
20 |
23 |
24 |
27 |
28 |
27 |
28 |
Average morning relative humidity over 18 years |
% |
87 |
90 |
89 |
88 |
84 |
78 |
80 |
84 |
86 |
91 |
92 |
92 |
91 |
Average evening relative humidity over 18 years |
% |
68 |
85 |
78 |
67 |
56 |
54 |
57 |
58 |
56 |
64 |
74 |
85 |
88 |
Average wind speed over 18 years |
mph |
8.0 |
9.0 |
8.0 |
8.0 |
8.0 |
6.0 |
6.0 |
6.0 |
5.0 |
6.0 |
6.0 |
9.0 |
9.0 |
Average number of days below 32°F over 19 years |
days |
109 |
23 |
22 |
17 |
9 |
1 |
- |
- |
- |
- |
5 |
11 |
20 |
Average number of days above 65°F over 19 years |
days |
104 |
- |
- |
1 |
3 |
16 |
20 |
25 |
25 |
12 |
3 |
- |
- |
Average number of days below 5°F over 19 years |
days |
5 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days above 85°F over 19 years |
days |
4 |
- |
- |
- |
- |
- |
1 |
1 |
2 |
- |
- |
- |
- |