Average temperature
over 42 years |
°F |
44 |
19 |
21 |
30 |
42 |
53 |
62 |
69 |
66 |
59 |
48 |
37 |
26 |
Average
high temperature over 42
years |
°F |
53 |
26 |
28 |
37 |
51 |
62 |
73 |
78 |
77 |
69 |
57 |
44 |
32 |
Average low temperature
over 42 years |
°F |
36 |
12 |
12 |
21 |
33 |
42 |
51 |
57 |
57 |
48 |
39 |
30 |
19 |
Highest
recorded temperature over
42 years |
°F |
100 |
60 |
60 |
78 |
91 |
95 |
100 |
100 |
98 |
98 |
86 |
73 |
64 |
Lowest recorded
temperature over 42 years |
°F |
-23 |
-22 |
-23 |
-9 |
6 |
21 |
30 |
35 |
33 |
26 |
16 |
3 |
-16 |
Average
number of rainy days over
42 years |
days |
130 |
14 |
12 |
11 |
10 |
10 |
9 |
8 |
9 |
11 |
10 |
12 |
14 |
Average precipitation
over 42 years |
in |
29.6 |
1.8 |
1.5 |
2.2 |
2.5 |
2.8 |
2.9 |
2.7 |
3.3 |
3.0 |
2.3 |
2.5 |
2.2 |
Average
dew point over 10 years |
°F |
35 |
12 |
15 |
21 |
30 |
41 |
51 |
57 |
57 |
50 |
37 |
28 |
17 |
Average number
of days with thunderstorms over
42 years |
days |
33 |
- |
- |
1 |
2 |
4 |
6 |
7 |
6 |
4 |
1 |
1 |
1 |
Average
number of days with fog over
42 years |
days |
141 |
11 |
10 |
12 |
10 |
10 |
12 |
12 |
14 |
13 |
13 |
13 |
11 |
Average morning
relative humidity over 10
years |
% |
76.6 |
73 |
74.1 |
74.3 |
69.9 |
72.3 |
76.3 |
78.6 |
82.5 |
84 |
80.9 |
78.2 |
75.5 |
Average
evening relative humidity over
10 years |
% |
60.1 |
64 |
63.1 |
59.5 |
51.8 |
54.9 |
56.1 |
55.6 |
59.7 |
62.1 |
62 |
65.6 |
66.9 |
Average wind speed
over 12 years |
mph |
11.0 |
8.0 |
8.0 |
8.0 |
6.0 |
5.0 |
5.0 |
4.0 |
5.0 |
6.0 |
8.0 |
8.0 |
6.0 |
Average
number of days below 0°F over
42 years |
days |
12 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Average snowfall
over 42 years |
in |
60.4 |
16.3 |
13.1 |
10.4 |
2.5 |
0.1 |
- |
- |
- |
- |
0.1 |
4.8 |
13.2 |
Most
rain reported in a day over
42 years |
in |
3.7 |
1.7 |
1.2 |
1.3 |
2.5 |
2.1 |
3.7 |
2.4 |
2.3 |
3.2 |
2.4 |
1.6 |
1.8 |
Most rain reported
in a month over 42 years |
in |
44.3 |
3.9 |
3.6 |
4.3 |
5.7 |
8.2 |
6.5 |
5.1 |
7.4 |
9.1 |
5.7 |
5.5 |
5.6 |
Least
rain reported in a month over
42 years |
in |
17.1 |
0.3 |
0.1 |
0.2 |
0.6 |
0.3 |
0.5 |
0.2 |
0.4 |
0.1 |
- |
0.3 |
0.4 |
Heating degree
days over 40 years |
days |
7652 |
1381 |
1218 |
1076 |
664 |
380 |
121 |
29 |
50 |
200 |
501 |
824 |
1208 |
Cooling
degree days over 40 years |
days |
418 |
- |
- |
- |
1 |
17 |
75 |
158 |
127 |
38 |
2 |
- |
- |
Average number
of days above 80°F over
12 years |
days |
42 |
- |
- |
1 |
3 |
8 |
14 |
12 |
4 |
1 |
- |
- |
43 |
Most
snow reported in a month over
42 years |
in |
98.4 |
37.5 |
35.3 |
28.0 |
12.9 |
1.6 |
- |
- |
- |
0.2 |
1.2 |
19.4 |
38.9 |
Average possibility
of clouds over 10 years |
% |
62.2 |
71.3 |
69.9 |
60.9 |
62 |
58.7 |
52.7 |
48.9 |
53 |
56.1 |
64.5 |
73.2 |
75.9 |
Average
number of snowy days over
42 years |
days |
50 |
13 |
11 |
7 |
2 |
1 |
- |
- |
- |
- |
1 |
4 |
11 |
Average number
of days below 33°F over
42 years |
days |
158 |
30 |
27 |
27 |
15 |
4 |
- |
- |
- |
1 |
7 |
19 |
28 |
Most
snow reported in a day over
42 years |
in |
74.1 |
12.3 |
11.6 |
7.0 |
1.6 |
- |
- |
- |
0.2 |
1.2 |
13.0 |
13.6 |
13.6 |
Deepest snow cover
reported over 42 years |
in |
34.0 |
23.0 |
34.0 |
21.0 |
7.0 |
1.0 |
- |
- |
- |
- |
1.0 |
17.0 |
19.0 |
Average
wet bulb point over 10 years |
°F |
41 |
19 |
21 |
28 |
37 |
48 |
55 |
62 |
60 |
53 |
43 |
33 |
23 |