Average temperature over 48 years |
°F |
51 |
26 |
28 |
37 |
50 |
60 |
69 |
73 |
71 |
64 |
53 |
42 |
31 |
Average high temperature over 48 years |
°F |
60 |
34 |
37 |
46 |
60 |
71 |
80 |
84 |
82 |
73 |
62 |
50 |
37 |
Average low temperature over 48 years |
°F |
39 |
19 |
19 |
28 |
39 |
48 |
57 |
62 |
60 |
53 |
41 |
33 |
23 |
Highest recorded temperature over 48 years |
°F |
102 |
69 |
71 |
87 |
91 |
95 |
102 |
102 |
100 |
102 |
91 |
82 |
66 |
Lowest recorded temperature over 48 years |
°F |
-20 |
-20 |
-13 |
0 |
15 |
28 |
36 |
43 |
37 |
30 |
19 |
8 |
-14 |
Average number of rainy days over 49 years |
days |
141 |
12 |
11 |
13 |
13 |
13 |
12 |
11 |
11 |
10 |
10 |
12 |
12 |
Average number of days above 90°F over 48 years |
days |
14 |
- |
- |
- |
- |
1 |
3 |
6 |
3 |
1 |
- |
- |
- |
Average precipitation over 47 years |
in |
40.5 |
2.7 |
2.7 |
3.4 |
3.4 |
3.6 |
3.8 |
4.1 |
3.5 |
3.3 |
3.2 |
3.8 |
3.1 |
Average dew point over 46 years |
°F |
39 |
17 |
19 |
24 |
35 |
46 |
57 |
62 |
60 |
55 |
43 |
33 |
21 |
Most recorded rainfall over 47 years |
in |
61.3 |
8.3 |
8.4 |
6.0 |
7.5 |
7.3 |
16.8 |
9.6 |
7.7 |
10.0 |
9.6 |
8.1 |
7.4 |
Least recorded rainfall over 47 years |
in |
31.1 |
0.5 |
0.3 |
0.8 |
0.7 |
0.8 |
0.7 |
1.0 |
0.9 |
0.5 |
0.2 |
0.8 |
0.7 |
Average number of days with thunderstorms over 39 years |
days |
34 |
- |
- |
1 |
2 |
5 |
7 |
8 |
6 |
3 |
1 |
1 |
- |
Average number of days with fog over 39 years |
days |
207 |
14 |
12 |
14 |
13 |
16 |
19 |
21 |
24 |
23 |
20 |
16 |
15 |
Average morning relative humidity over 47 years |
% |
82 |
76 |
76 |
76 |
75 |
80 |
84 |
87 |
90 |
92 |
88 |
81 |
78 |
Average evening relative humidity over 47 years |
% |
55 |
60 |
56 |
51 |
47 |
49 |
52 |
53 |
55 |
57 |
55 |
61 |
63 |
Average wind speed over 46 years |
mph |
10.0 |
12.0 |
12.0 |
12.0 |
11.0 |
9.0 |
9.0 |
8.0 |
8.0 |
8.0 |
9.0 |
11.0 |
11.0 |
Average number of days below 32°F over 48 years |
days |
127 |
28 |
25 |
21 |
8 |
1 |
- |
- |
- |
- |
5 |
15 |
25 |
Average number of days below 0°F over 30 years |
days |
4.2 |
2 |
1.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.8 |
Average snowfall over 49 years |
in |
41.2 |
10.4 |
10.1 |
8.2 |
1.2 |
- |
- |
- |
- |
- |
0.1 |
3.0 |
8.2 |
Average number of days above 65°F over 48 years |
days |
170 |
- |
- |
2 |
11 |
24 |
29 |
31 |
31 |
26 |
14 |
2 |
- |
Average number of clear days over 49 years |
days |
67 |
5 |
5 |
6 |
6 |
6 |
6 |
6 |
6 |
5 |
7 |
4 |
4 |
Most rain reported in a day over 49 years |
in |
8.7 |
2.6 |
2.7 |
2.4 |
2.3 |
2.7 |
8.7 |
2.8 |
4.3 |
4.0 |
4.4 |
3.4 |
3.3 |
Most rain reported in a month over 49 years |
in |
61.3 |
8.3 |
8.4 |
6.0 |
7.6 |
7.3 |
16.8 |
9.7 |
7.7 |
10.0 |
9.6 |
8.1 |
7.4 |
Least rain reported in a month over 49 years |
in |
31.1 |
0.5 |
0.6 |
0.9 |
0.7 |
0.8 |
0.7 |
1.0 |
0.9 |
0.5 |
0.2 |
0.9 |
0.7 |
Heating degree days over 30 years |
days |
6087 |
1234 |
1036 |
834 |
477 |
200 |
30 |
- |
9 |
106 |
408 |
696 |
1057 |
Cooling degree days over 30 years |
days |
622 |
- |
- |
- |
- |
29 |
114 |
229 |
189 |
61 |
- |
- |
- |
Average number of cloudy days over 49 years |
days |
188 |
19 |
16 |
17 |
16 |
15 |
12 |
12 |
12 |
14 |
15 |
19 |
20 |
Average number of partly cloudy days over 49 years |
days |
110 |
7 |
7 |
8 |
8 |
10 |
12 |
13 |
13 |
11 |
9 |
7 |
7 |
Average number of days below 5°F over 48 years |
days |
9 |
4 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Most snow reported in a month over 49 years |
in |
77.3 |
40.1 |
34.3 |
29.5 |
13.8 |
0.2 |
- |
- |
- |
- |
1.0 |
13.8 |
35.5 |