Average temperature over 48 years |
°F |
51 |
26 |
28 |
37 |
48 |
59 |
68 |
73 |
71 |
64 |
53 |
43 |
32 |
Average high temperature over 48 years |
°F |
59 |
34 |
36 |
46 |
57 |
69 |
78 |
82 |
80 |
73 |
62 |
50 |
37 |
Average low temperature over 48 years |
°F |
41 |
19 |
21 |
28 |
37 |
48 |
57 |
62 |
60 |
53 |
44 |
35 |
24 |
Highest recorded temperature over 48 years |
°F |
104 |
73 |
69 |
82 |
87 |
91 |
104 |
100 |
102 |
100 |
89 |
82 |
77 |
Lowest recorded temperature over 48 years |
°F |
-20 |
-20 |
-14 |
-5 |
10 |
24 |
31 |
41 |
37 |
34 |
19 |
3 |
-14 |
Average number of rainy days over 52 years |
days |
156 |
16 |
14 |
15 |
14 |
13 |
11 |
10 |
10 |
10 |
11 |
15 |
16 |
Average number of days above 90°F over 48 years |
days |
12 |
- |
- |
- |
- |
- |
3 |
5 |
3 |
1 |
- |
- |
- |
Average precipitation over 48 years |
in |
37.2 |
2.6 |
2.3 |
3.0 |
3.4 |
3.5 |
3.5 |
3.6 |
3.4 |
3.2 |
2.6 |
3.2 |
2.9 |
Average dew point over 48 years |
°F |
39 |
19 |
21 |
26 |
37 |
46 |
57 |
60 |
60 |
53 |
43 |
33 |
24 |
Most recorded rainfall over 48 years |
in |
53.8 |
7.0 |
4.7 |
6.1 |
6.6 |
9.1 |
9.1 |
9.1 |
9.0 |
7.3 |
9.5 |
8.8 |
8.6 |
Least recorded rainfall over 48 years |
in |
18.8 |
0.4 |
0.5 |
0.8 |
1.2 |
1.0 |
0.6 |
1.2 |
0.5 |
0.7 |
0.6 |
0.8 |
0.7 |
Average number of days with thunderstorms over 48 years |
days |
33 |
- |
- |
2 |
3 |
5 |
6 |
6 |
5 |
3 |
2 |
1 |
- |
Average number of days with fog over 48 years |
days |
148 |
13 |
12 |
13 |
12 |
13 |
11 |
12 |
14 |
12 |
11 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
80 |
79 |
79 |
79 |
76 |
77 |
79 |
81 |
85 |
84 |
81 |
78 |
78 |
Average evening relative humidity over 48 years |
% |
61 |
70 |
67 |
62 |
56 |
54 |
55 |
55 |
58 |
58 |
58 |
65 |
70 |
Average wind speed over 48 years |
mph |
11.0 |
12.0 |
12.0 |
13.0 |
12.0 |
9.0 |
10.0 |
9.0 |
8.0 |
9.0 |
10.0 |
12.0 |
12.0 |
Average number of days below 32°F over 48 years |
days |
122 |
28 |
24 |
21 |
9 |
1 |
- |
- |
- |
- |
2 |
13 |
24 |
Average number of days below 0°F over 30 years |
days |
4.1 |
2 |
1.4 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.6 |
Average snowfall over 52 years |
in |
55.4 |
12.6 |
12.3 |
10.6 |
2.3 |
0.1 |
- |
- |
- |
- |
0.6 |
5.0 |
11.9 |
Average number of days above 65°F over 48 years |
days |
167 |
- |
- |
3 |
10 |
21 |
28 |
31 |
31 |
26 |
14 |
3 |
- |
Average number of clear days over 52 years |
days |
66 |
3 |
3 |
5 |
5 |
6 |
7 |
8 |
9 |
8 |
8 |
3 |
2 |
Most rain reported in a day over 101 years |
in |
4.6 |
2.5 |
2.0 |
2.8 |
2.1 |
3.4 |
3.0 |
3.4 |
3.6 |
4.6 |
3.4 |
2.2 |
2.4 |
Most rain reported in a month over 101 years |
in |
53.9 |
7.0 |
4.7 |
8.3 |
6.6 |
9.1 |
9.8 |
9.1 |
9.0 |
11.1 |
9.5 |
8.8 |
8.6 |
Least rain reported in a month over 101 years |
in |
18.7 |
0.4 |
0.5 |
0.4 |
0.7 |
0.6 |
0.7 |
0.7 |
0.5 |
0.5 |
0.6 |
0.4 |
0.7 |
Heating degree days over 30 years |
days |
6201 |
1246 |
1058 |
859 |
522 |
250 |
40 |
- |
11 |
99 |
387 |
672 |
1057 |
Cooling degree days over 30 years |
days |
621 |
- |
- |
- |
- |
33 |
118 |
218 |
178 |
66 |
8 |
- |
- |
Average possibility of sunshine over 50 years |
% |
49 |
31 |
37 |
44 |
52 |
58 |
65 |
67 |
63 |
59 |
52 |
31 |
26 |
Average number of cloudy days over 52 years |
days |
202 |
23 |
20 |
20 |
17 |
15 |
12 |
11 |
11 |
12 |
15 |
21 |
24 |
Average number of partly cloudy days over 52 years |
days |
97 |
5 |
5 |
6 |
8 |
10 |
11 |
12 |
11 |
10 |
8 |
6 |
5 |
Average number of days below 5°F over 48 years |
days |
10 |
5 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Most snow reported in a month over 101 years |
in |
96.5 |
42.8 |
39.1 |
26.3 |
13.2 |
2.1 |
- |
- |
- |
- |
8.0 |
23.4 |
30.3 |