Average temperature over 18 years |
°F |
50 |
34 |
36 |
43 |
48 |
57 |
62 |
66 |
66 |
59 |
50 |
41 |
37 |
Average high temperature over 18 years |
°F |
57 |
37 |
41 |
50 |
55 |
66 |
71 |
75 |
75 |
68 |
57 |
44 |
39 |
Average low temperature over 18 years |
°F |
43 |
30 |
30 |
36 |
39 |
46 |
53 |
57 |
55 |
51 |
43 |
36 |
32 |
Highest recorded temperature over 18 years |
°F |
96 |
55 |
62 |
75 |
77 |
87 |
93 |
96 |
96 |
89 |
82 |
62 |
60 |
Lowest recorded temperature over 18 years |
°F |
-4 |
-4 |
0 |
8 |
19 |
28 |
34 |
37 |
37 |
32 |
24 |
16 |
3 |
Average number of rainy days over 9 years |
days |
63.1 |
5.3 |
4.1 |
2.9 |
5 |
5.3 |
5.7 |
9 |
5.7 |
5.4 |
4.9 |
3.6 |
6.2 |
Average precipitation over 30 years |
in |
27.3 |
1.8 |
1.6 |
2.1 |
2.3 |
2.4 |
2.9 |
2.4 |
2.9 |
2.1 |
2.2 |
2.3 |
2.2 |
Average relative humidity over 9 years |
% |
78 |
85 |
84 |
75 |
71 |
67 |
68 |
74 |
76 |
78 |
84 |
87 |
89 |
Average dew point over 18 years |
°F |
42 |
30 |
28 |
34 |
37 |
44 |
51 |
53 |
53 |
51 |
44 |
37 |
33 |
Average number of days above 70°F over 18 years |
days |
89 |
- |
- |
- |
3 |
11 |
16 |
22 |
23 |
12 |
2 |
- |
- |
Most recorded rainfall over 30 years |
in |
41.5 |
3.8 |
3.4 |
4.5 |
4.3 |
5.5 |
7.2 |
4.9 |
7.0 |
4.3 |
4.3 |
5.3 |
4.5 |
Least recorded rainfall over 30 years |
in |
18.1 |
0.6 |
0.1 |
0.6 |
0.6 |
0.7 |
0.4 |
0.6 |
0.5 |
0.4 |
0.2 |
0.7 |
0.3 |
Average number of days with thunderstorms over 17 years |
days |
30 |
1 |
- |
1 |
2 |
6 |
7 |
5 |
5 |
2 |
1 |
- |
- |
Average number of days with fog over 17 years |
days |
197 |
19 |
18 |
16 |
12 |
14 |
13 |
12 |
15 |
18 |
21 |
19 |
20 |
Average morning relative humidity over 18 years |
% |
87 |
90 |
88 |
87 |
84 |
83 |
83 |
83 |
87 |
91 |
93 |
91 |
90 |
Average evening relative humidity over 18 years |
% |
63 |
80 |
69 |
60 |
53 |
53 |
54 |
51 |
51 |
59 |
70 |
78 |
82 |
Average wind speed over 18 years |
mph |
9.0 |
9.0 |
8.0 |
9.0 |
9.0 |
8.0 |
9.0 |
9.0 |
8.0 |
8.0 |
8.0 |
9.0 |
9.0 |
Average number of days above 60°F over 18 years |
days |
161 |
- |
- |
3 |
10 |
23 |
27 |
31 |
31 |
26 |
10 |
- |
- |
Average number of days below 32°F over 18 years |
days |
78 |
18 |
17 |
11 |
5 |
- |
- |
- |
- |
- |
2 |
10 |
15 |
Average number of days below 0°F over 9 years |
days |
2.1 |
0.3 |
1.8 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |