Average temperature over 20 years |
°F |
48 |
41 |
41 |
42 |
44 |
50 |
53 |
57 |
55 |
53 |
48 |
44 |
42 |
Average high temperature over 20 years |
°F |
51 |
44 |
44 |
46 |
48 |
53 |
57 |
60 |
60 |
55 |
53 |
48 |
46 |
Average low temperature over 20 years |
°F |
44 |
37 |
37 |
37 |
39 |
44 |
48 |
51 |
51 |
48 |
46 |
41 |
39 |
Highest recorded temperature over 20 years |
°F |
78 |
53 |
51 |
55 |
66 |
75 |
77 |
78 |
75 |
66 |
64 |
57 |
57 |
Lowest recorded temperature over 20 years |
°F |
17 |
21 |
19 |
21 |
28 |
28 |
36 |
39 |
39 |
33 |
32 |
24 |
17 |
Average dew point over 20 years |
°F |
43 |
37 |
36 |
37 |
39 |
43 |
48 |
51 |
51 |
48 |
44 |
39 |
37 |
Average number of days above 70°F over 20 years |
days |
4 |
- |
- |
- |
- |
1 |
1 |
2 |
1 |
- |
- |
- |
- |
Average number of days with thunderstorms over 19 years |
days |
3 |
1 |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
1 |
Average number of days with fog over 19 years |
days |
58 |
4 |
3 |
4 |
6 |
6 |
7 |
7 |
7 |
4 |
4 |
2 |
4 |
Average morning relative humidity over 20 years |
% |
88 |
86 |
87 |
87 |
88 |
87 |
88 |
90 |
91 |
88 |
87 |
86 |
86 |
Average evening relative humidity over 20 years |
% |
80 |
84 |
81 |
79 |
75 |
72 |
76 |
80 |
79 |
80 |
80 |
83 |
85 |
Average wind speed over 20 years |
mph |
16.0 |
18.0 |
18.0 |
18.0 |
16.0 |
14.0 |
13.0 |
13.0 |
14.0 |
18.0 |
17.0 |
17.0 |
16.0 |
Average number of days above 60°F over 20 years |
days |
41 |
- |
- |
- |
1 |
4 |
6 |
12 |
14 |
3 |
1 |
- |
- |
Average number of days below 32°F over 20 years |
days |
27 |
7 |
6 |
4 |
3 |
- |
- |
- |
- |
- |
- |
2 |
5 |
Average number of days with precipitation over 19 years |
days |
316 |
29 |
24 |
28 |
24 |
22 |
24 |
27 |
26 |
28 |
28 |
28 |
28 |
Average number of days with snow over 19 years |
days |
32 |
9 |
6 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
2 |
5 |
Average number of days with blowing dust/sand over 19 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with smoke/haze over 19 years |
days |
38 |
1 |
4 |
3 |
5 |
5 |
4 |
5 |
3 |
2 |
3 |
2 |
1 |
Average number of days with sleet over 19 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with vision obstruction over 19 years |
days |
83 |
5 |
7 |
7 |
9 |
9 |
9 |
9 |
8 |
5 |
6 |
4 |
5 |