Average temperature over 48 years |
°F |
57 |
36 |
39 |
46 |
57 |
64 |
71 |
75 |
75 |
68 |
57 |
48 |
39 |
Average high temperature over 48 years |
°F |
66 |
44 |
48 |
57 |
68 |
75 |
82 |
86 |
84 |
78 |
68 |
57 |
48 |
Average low temperature over 48 years |
°F |
46 |
26 |
28 |
35 |
44 |
53 |
60 |
66 |
64 |
57 |
46 |
37 |
28 |
Highest recorded temperature over 48 years |
°F |
102 |
75 |
78 |
87 |
91 |
93 |
98 |
102 |
102 |
100 |
93 |
82 |
78 |
Lowest recorded temperature over 48 years |
°F |
-9 |
-9 |
- |
6 |
19 |
31 |
39 |
48 |
44 |
36 |
21 |
8 |
-4 |
Average number of rainy days over 49 years |
days |
119 |
11 |
10 |
11 |
10 |
12 |
10 |
11 |
10 |
8 |
8 |
9 |
10 |
Average number of days above 90°F over 48 years |
days |
25 |
- |
- |
- |
- |
1 |
5 |
10 |
7 |
2 |
- |
- |
- |
Average precipitation over 48 years |
in |
40.8 |
3.0 |
3.0 |
3.7 |
3.1 |
3.7 |
3.6 |
4.2 |
3.7 |
3.2 |
3.3 |
3.0 |
3.3 |
Average dew point over 27 years |
°F |
44 |
21 |
24 |
31 |
39 |
51 |
60 |
64 |
64 |
57 |
46 |
35 |
26 |
Average number of days above 70°F over 48 years |
days |
179 |
- |
1 |
4 |
14 |
24 |
29 |
31 |
31 |
26 |
15 |
4 |
1 |
Most recorded rainfall over 48 years |
in |
59.7 |
8.0 |
5.7 |
9.2 |
7.9 |
9.1 |
10.0 |
10.3 |
11.4 |
9.9 |
11.4 |
8.8 |
7.1 |
Least recorded rainfall over 48 years |
in |
26.6 |
0.5 |
0.3 |
0.7 |
0.3 |
1.4 |
0.5 |
1.1 |
0.7 |
- |
0.4 |
0.9 |
0.3 |
Average number of days with thunderstorms over 26 years |
days |
43 |
- |
- |
2 |
4 |
7 |
8 |
10 |
7 |
3 |
1 |
1 |
- |
Average number of days with fog over 26 years |
days |
167 |
13 |
13 |
13 |
11 |
16 |
13 |
16 |
19 |
16 |
13 |
12 |
12 |
Average morning relative humidity over 41 years |
% |
79 |
72 |
72 |
73 |
72 |
80 |
83 |
86 |
88 |
88 |
85 |
78 |
74 |
Average evening relative humidity over 40 years |
% |
52 |
51 |
49 |
46 |
43 |
51 |
54 |
56 |
57 |
56 |
51 |
50 |
53 |
Average wind speed over 31 years |
mph |
9.0 |
8.0 |
9.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
6.0 |
9.0 |
10.0 |
8.0 |
8.0 |
Average number of days below 32°F over 48 years |
days |
88 |
22 |
19 |
12 |
3 |
- |
- |
- |
- |
- |
2 |
10 |
20 |
Average snowfall over 49 years |
in |
18.0 |
5.3 |
5.3 |
3.5 |
0.3 |
- |
- |
- |
- |
- |
- |
0.7 |
2.9 |
Average number of clear days over 47 years |
days |
112 |
9 |
8 |
9 |
9 |
8 |
8 |
8 |
9 |
10 |
13 |
10 |
10 |
Heating degree days over 30 years |
days |
4340 |
955 |
778 |
577 |
283 |
95 |
6 |
- |
- |
32 |
270 |
519 |
825 |
Cooling degree days over 30 years |
days |
1048 |
- |
- |
- |
- |
67 |
207 |
329 |
298 |
125 |
22 |
- |
- |
Average possibility of sunshine over 49 years |
% |
59 |
52 |
56 |
58 |
61 |
62 |
66 |
62 |
61 |
60 |
62 |
56 |
53 |
Average number of cloudy days over 47 years |
days |
147 |
15 |
13 |
13 |
12 |
13 |
10 |
11 |
11 |
11 |
11 |
13 |
14 |
Average number of partly cloudy days over 47 years |
days |
107 |
7 |
7 |
9 |
9 |
10 |
12 |
12 |
11 |
9 |
7 |
7 |
7 |
Average number of days below 10°F over 48 years |
days |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |