Average temperature over 26 years |
°F |
53 |
28 |
33 |
44 |
55 |
64 |
73 |
78 |
75 |
68 |
55 |
44 |
33 |
Average high temperature over 26 years |
°F |
64 |
36 |
42 |
53 |
66 |
73 |
82 |
89 |
87 |
78 |
66 |
53 |
41 |
Average low temperature over 26 years |
°F |
44 |
19 |
23 |
34 |
44 |
53 |
62 |
66 |
64 |
57 |
44 |
34 |
24 |
Highest recorded temperature over 26 years |
°F |
111 |
73 |
75 |
84 |
89 |
89 |
102 |
111 |
109 |
100 |
93 |
82 |
75 |
Lowest recorded temperature over 26 years |
°F |
-20 |
-18 |
-14 |
-5 |
19 |
28 |
39 |
48 |
42 |
32 |
21 |
- |
-20 |
Average number of rainy days over 24 years |
days |
112 |
7 |
8 |
11 |
11 |
12 |
8 |
8 |
8 |
9 |
9 |
10 |
9 |
Average number of days above 90°F over 26 years |
days |
36 |
- |
- |
- |
- |
- |
5 |
15 |
12 |
4 |
- |
- |
- |
Average precipitation over 26 years |
in |
40.6 |
1.6 |
2.0 |
3.2 |
4.3 |
5.1 |
3.9 |
3.9 |
3.8 |
3.7 |
3.1 |
3.5 |
2.6 |
Average dew point over 26 years |
°F |
43 |
19 |
23 |
32 |
42 |
53 |
62 |
66 |
64 |
57 |
44 |
34 |
24 |
Average number of days above 70°F over 26 years |
days |
172 |
- |
1 |
5 |
12 |
22 |
29 |
31 |
31 |
25 |
14 |
3 |
- |
Most recorded rainfall over 26 years |
in |
62.5 |
4.8 |
6.2 |
10.1 |
11.7 |
12.3 |
10.3 |
12.1 |
9.0 |
12.1 |
6.1 |
10.4 |
7.0 |
Least recorded rainfall over 26 years |
in |
23.3 |
- |
0.1 |
0.8 |
1.4 |
1.6 |
0.3 |
0.2 |
0.2 |
0.4 |
1.0 |
0.4 |
0.6 |
Average number of days with thunderstorms over 26 years |
days |
52 |
1 |
1 |
3 |
5 |
8 |
8 |
8 |
7 |
5 |
3 |
2 |
1 |
Average number of days with fog over 26 years |
days |
128 |
11 |
11 |
11 |
9 |
11 |
9 |
8 |
12 |
12 |
10 |
11 |
13 |
Average morning relative humidity over 26 years |
% |
83 |
80 |
80 |
79 |
79 |
85 |
86 |
87 |
89 |
88 |
84 |
82 |
81 |
Average evening relative humidity over 26 years |
% |
56 |
62 |
59 |
53 |
52 |
57 |
56 |
53 |
52 |
54 |
53 |
59 |
64 |
Average wind speed over 26 years |
mph |
10.0 |
12.0 |
11.0 |
12.0 |
11.0 |
10.0 |
9.0 |
8.0 |
8.0 |
9.0 |
10.0 |
10.0 |
11.0 |
Average number of days below 32°F over 26 years |
days |
108 |
27 |
22 |
15 |
3 |
- |
- |
- |
- |
- |
2 |
14 |
25 |
Average snowfall over 43 years |
in |
23.1 |
5.6 |
6.5 |
4.3 |
0.7 |
- |
- |
- |
- |
- |
- |
1.8 |
4.2 |
Average number of clear days over 24 years |
days |
104 |
9 |
7 |
7 |
8 |
7 |
7 |
11 |
11 |
10 |
11 |
8 |
8 |
Heating degree days over 30 years |
days |
5212 |
1159 |
921 |
676 |
316 |
137 |
10 |
- |
- |
52 |
285 |
627 |
1029 |
Cooling degree days over 30 years |
days |
1189 |
- |
- |
- |
7 |
94 |
223 |
384 |
321 |
139 |
21 |
- |
- |
Average possibility of sunshine over 24 years |
% |
56 |
51 |
48 |
49 |
55 |
57 |
65 |
67 |
64 |
60 |
59 |
47 |
45 |
Average number of cloudy days over 24 years |
days |
170 |
16 |
15 |
17 |
15 |
16 |
12 |
10 |
10 |
12 |
13 |
16 |
17 |
Average number of partly cloudy days over 24 years |
days |
91 |
6 |
6 |
7 |
7 |
8 |
11 |
10 |
10 |
8 |
7 |
6 |
6 |
Average number of days below 10°F over 26 years |
days |
17 |
8 |
5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
4 |