
Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >
Normals, Means & Extremes
December -
Values in red represent the extremes for the month.
|
D |
Temperature |
Degree Days |
Precipitation |
D |
|||||||||||
|
|
High Max. |
Low Max. |
High Min. |
Low Min. |
Heating |
Normal |
Cooling |
Normal |
Daily |
Normal |
Record |
||||
|
Max. |
Min. |
Avg. |
|||||||||||||
|
1 |
62 |
41 |
51 |
79 / 1903 |
44 / 1972 |
57 / 1909 |
27 / 2004 |
14 |
333 |
0 |
2424 |
0.02 |
0.81 |
0.45 / 1952 |
1 |
|
2 |
61 |
41 |
51 |
87 / 1915 |
42 / 1972 |
58 / 2012 |
28 / 2004 |
14 |
347 |
0 |
2424 |
0.03 |
0.84 |
0.63 / 2005 |
2 |
|
3 |
61 |
41 |
51 |
83 / 1979 |
45 / 1972 |
53 / 2014 |
27 / 1908 |
14 |
361 |
0 |
2424 |
0.03 |
0.87 |
0.60 / 1941 |
3 |
|
4 |
61 |
41 |
51 |
82 / 1939 |
44 / 1965 |
54 / 1938 |
28 / 2004 |
14 |
375 |
0 |
2424 |
0.03 |
0.90 |
0.97 / 1915 |
4 |
|
5 |
61 |
40 |
50 |
80 / 1918 |
43 / 1965 |
55 / 1966 |
23 / 1903 |
15 |
390 |
0 |
2424 |
0.03 |
0.93 |
0.65 / 1894 |
5 |
|
6 |
60 |
40 |
50 |
80 / 2023 |
42 / 1965 |
60 / 1918 |
22 / 1903 |
15 |
405 |
0 |
2424 |
0.02 |
0.95 |
0.82 / 1946 |
6 |
|
7 |
60 |
40 |
50 |
76 / 1907 |
41 / 1965 |
53 / 1950 |
24 / 1912 |
15 |
419 |
0 |
2424 |
0.03 |
0.98 |
0.98 / 1992 |
7 |
|
8 |
60 |
40 |
50 |
83 / 1915 |
43 / 1965 |
56 / 1909 |
24 / 1903 |
15 |
435 |
0 |
2424 |
0.03 |
1.01 |
1.02 / 1931 |
8 |
|
9 |
60 |
40 |
50 |
74 / 1979 |
36 / 1972 |
54 / 2016 |
24 / 1923 |
15 |
450 |
0 |
2424 |
0.04 |
1.05 |
0.40 / 1996 |
9 |
|
10 |
59 |
40 |
50 |
85 / 1912 |
41 / 1972 |
53 / 1937 |
24 / 1923 |
16 |
465 |
0 |
2424 |
0.03 |
1.08 |
0.75 / 2009 |
10 |
|
11 |
59 |
40 |
49 |
81 / 1912 |
35 / 1932 |
58 / 1937 |
24 / 1923 |
16 |
481 |
0 |
2424 |
0.03 |
1.11 |
0.50 / 1907 |
11 |
|
12 |
59 |
40 |
49 |
75 / 1913 |
43 / 1932 |
53 / 1893 |
20 / 1901 |
16 |
497 |
0 |
2424 |
0.04 |
1.15 |
1.12 / 2014 |
12 |
|
13 |
59 |
39 |
49 |
79 / 1998 |
41 / 1972 |
54 / 1933 |
20 / 1901 |
16 |
513 |
0 |
2424 |
0.03 |
1.18 |
0.85 / 1995 |
13 |
|
14 |
59 |
39 |
49 |
80 / 1958 |
36 / 1972 |
53 / 1950 |
20 / 1901 |
16 |
529 |
0 |
2424 |
0.03 |
1.21 |
0.97 / 2021 |
14 |
|
15 |
59 |
39 |
49 |
79 / 1958 |
40 / 1992 |
51 / 2006 |
19 / 1901 |
16 |
545 |
0 |
2424 |
0.04 |
1.25 |
0.58 / 1934 |
15 |
|
16 |
58 |
39 |
49 |
77 / 1976 |
42 / 1963 |
55 / 1893 |
22 / 1901 |
16 |
561 |
0 |
2424 |
0.04 |
1.29 |
0.64 / 1957 |
16 |
|
17 |
58 |
39 |
49 |
75 / 1977 |
41 / 1985 |
54 / 1977 |
23 / 1901 |
16 |
577 |
0 |
2424 |
0.03 |
1.32 |
0.36 / 2002 |
17 |
|
18 |
58 |
39 |
49 |
75 / 1979 |
35 / 1908 |
53 / 1938 |
23 / 1908 |
16 |
593 |
0 |
2424 |
0.04 |
1.36 |
1.37 / 2010 |
18 |
|
19 |
58 |
39 |
49 |
80 / 1981 |
39 / 1965 |
55 / 2010 |
23 / 1924 |
16 |
610 |
0 |
2424 |
0.04 |
1.40 |
1.53 / 2010 |
19 |
|
20 |
58 |
39 |
49 |
76 / 1944 |
35 / 1908 |
54 / 1964 |
26 / 1928 |
17 |
626 |
0 |
2424 |
0.03 |
1.43 |
0.86 / 1943 |
20 |
|
21 |
58 |
39 |
49 |
78 / 1919 |
36 / 1998 |
59 / 1977 |
23 / 1905 |
17 |
643 |
0 |
2424 |
0.04 |
1.47 |
0.84 / 1938 |
21 |
|
22 |
58 |
39 |
48 |
76 / 2005 |
34 / 1998 |
56 / 1977 |
20 / 1990 |
17 |
659 |
0 |
2424 |
0.04 |
1.51 |
0.74 / 1893 |
22 |
|
23 |
58 |
39 |
48 |
73 / 1964 |
36 / 1928 |
63 / 1955 |
14 / 1905 |
17 |
676 |
0 |
2424 |
0.04 |
1.55 |
0.91 / 2016 |
23 |
|
24 |
58 |
39 |
48 |
75 / 1964 |
39 / 1993 |
57 / 1979 |
13 / 1905 |
17 |
693 |
0 |
2424 |
0.05 |
1.60 |
0.75 / 1994 |
24 |
|
25 |
58 |
39 |
48 |
76 / 1902 |
32 / 1918 |
56 / 1977 |
21 / 1899 |
17 |
709 |
0 |
2424 |
0.04 |
1.64 |
0.92 / 2003 |
25 |
|
26 |
58 |
39 |
48 |
71 / 1999 |
35 / 1918 |
56 / 1977 |
20 / 1905 |
17 |
726 |
0 |
2424 |
0.04 |
1.68 |
0.62 / 2019 |
26 |
|
27 |
58 |
39 |
48 |
72 / 1991 |
39 / 1933 |
56 / 1977 |
23 / 1930 |
17 |
742 |
0 |
2424 |
0.04 |
1.72 |
1.02 / 1936 |
27 |
|
28 |
57 |
39 |
48 |
73 / 1977 |
40 / 1908 |
58 / 1977 |
24 / 1930 |
17 |
759 |
0 |
2424 |
0.04 |
1.76 |
0.79 / 1977 |
28 |
|
29 |
57 |
39 |
48 |
75 / 2023 |
40 / 1929 |
57 / 1977 |
22 / 1929 |
17 |
776 |
0 |
2424 |
0.05 |
1.81 |
0.93 / 1965 |
29 |
|
30 |
57 |
39 |
48 |
74 / 1904 |
44 / 2014 |
53 / 1981 |
15 / 1905 |
17 |
792 |
0 |
2424 |
0.04 |
1.85 |
0.44 / 2016 |
30 |
|
31 |
57 |
40 |
48 |
73 / 1913 |
39 / 1919 |
53 / 1981 |
19 / 1929 |
17 |
809 |
0 |
2424 |
0.04 |
1.89 |
1.00 / 1906 |
31 |
|
Avg. |
58.8 |
39.6 |
49.2 |
|
490 |
|
0 |
|
1.10 |
|
Avg. |
||||
|
D |
Max. |
Min. |
Avg. |
High Max. |
Low Max. |
High Min. |
Low Min. |
Heating |
Normal |
Cooling |
Normal |
Daily |
Normal |
Record |
D |
|
Normal |
|||||||||||||||
|
Temperature |
Degree Days |
Precipitation |
|||||||||||||