Severe thunderstorms are expected Wednesday, particularly across parts of the Ozarks and Ohio Valley, and portions of the northern and central Plains. Excessive rainfall is forecast Wednesday in the Midwest which may bring areas of flash flooding. Excessive heat with potential records will continue to impact much of California away from the immediate coast into the weekend. 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 |
|||||||||||||
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