Moderate to heavy lake effect snow is expected downwind of the Great Lakes, with the Chicago metro potentially receiving 6 to 12 inches of snowfall. A frigid airmass will bring very cold temperatures to the Central U.S. and Mississippi Valley today, migrating into the Eastern U.S. on Monday. Dry and windy weather will bring critical fire weather conditions to South Texas today. Read More >
Normals, Means & Extremes
May -
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 |
80 |
54 |
67 |
102 / 1947 |
55 / 1915 |
67 / 2015 |
37 / 1988 |
2 |
1931 |
4 |
79 |
0.01 |
6.02 |
0.55 / 1930 |
1 |
|
2 |
80 |
55 |
68 |
101 / 1947 |
65 / 1921 |
67 / 1909 |
38 / 1915 |
2 |
1933 |
4 |
83 |
0.01 |
6.03 |
0.81 / 1901 |
2 |
|
3 |
81 |
55 |
68 |
102 / 1966 |
64 / 1950 |
80 / 1906 |
40 / 1938 |
2 |
1934 |
4 |
88 |
0.01 |
6.04 |
0.92 / 1930 |
3 |
|
4 |
81 |
55 |
68 |
104 / 2017 |
59 / 1930 |
70 / 2017 |
39 / 1893 |
2 |
1936 |
5 |
92 |
0.01 |
6.05 |
0.55 / 1932 |
4 |
|
5 |
81 |
55 |
68 |
100 / 1990 |
61 / 1932 |
69 / 1909 |
42 / 1930 |
1 |
1937 |
5 |
97 |
0.01 |
6.06 |
0.81 / 1901 |
5 |
|
6 |
82 |
56 |
69 |
104 / 1987 |
55 / 1921 |
71 / 1989 |
42 / 1988 |
1 |
1939 |
5 |
102 |
0.01 |
6.07 |
0.85 / 1921 |
6 |
|
7 |
82 |
56 |
69 |
101 / 1987 |
61 / 1930 |
70 / 1989 |
42 / 1965 |
1 |
1940 |
5 |
107 |
0.02 |
6.09 |
0.14 / 1955 |
7 |
|
8 |
82 |
56 |
69 |
100 / 1987 |
63 / 1933 |
71 / 1906 |
40 / 1908 |
1 |
1941 |
5 |
112 |
0.01 |
6.10 |
0.95 / 1928 |
8 |
|
9 |
82 |
56 |
69 |
101/ 2001 |
58 / 1922 |
68 / 2001 |
35 / 1918 |
1 |
1942 |
6 |
118 |
0.01 |
6.11 |
0.75 / 1928 |
9 |
|
10 |
83 |
57 |
70 |
102 / 1941 |
61 / 1918 |
69 / 1909 |
38 / 1922 |
1 |
1943 |
6 |
123 |
0.01 |
6.12 |
0.39 / 1989 |
10 |
|
11 |
83 |
57 |
70 |
103 / 1934 |
56 / 1919 |
69 / 1969 |
38 / 1918 |
1 |
1944 |
6 |
129 |
0.01 |
6.13 |
0.81 / 1958 |
11 |
|
12 |
83 |
57 |
70 |
103 / 1976 |
60 / 1998 |
70 / 2013 |
41 / 1908 |
1 |
1945 |
6 |
135 |
0.01 |
6.14 |
0.22 / 1998 |
12 |
|
13 |
83 |
57 |
70 |
107 / 1976 |
65 / 1998 |
74 / 1976 |
34 / 1907 |
1 |
1946 |
6 |
142 |
0.00 |
6.14 |
0.31 / 1902 |
13 |
|
14 |
84 |
58 |
71 |
102 / 2023 |
64 / 1949 |
72 / 1976 |
40 / 1918 |
1 |
1947 |
7 |
148 |
0.01 |
6.15 |
0.58 / 1949 |
14 |
|
15 |
84 |
58 |
71 |
103 / 1927 |
60 / 1953 |
71 / 1972 |
36 / 1918 |
1 |
1948 |
7 |
155 |
0.01 |
6.16 |
0.07 / 1995 |
15 |
|
16 |
84 |
58 |
71 |
105 / 1970 |
63 / 1962 |
71 / 2008 |
39 / 1918 |
1 |
1949 |
7 |
162 |
0.01 |
6.17 |
0.24 / 2019 |
16 |
|
17 |
84 |
58 |
71 |
105 / 2009 |
68 / 1998 |
73 / 2009 |
41 / 1906 |
1 |
1949 |
7 |
169 |
0.01 |
6.18 |
0.55 / 1915 |
17 |
|
18 |
85 |
59 |
72 |
102 / 2009 |
68 / 2011 |
76 / 1973 |
41 / 1893 |
1 |
1950 |
7 |
177 |
0.00 |
6.18 |
0.56 / 1917 |
18 |
|
19 |
85 |
59 |
72 |
101 / 1954 |
65 / 1916 |
73 / 1979 |
38 / 1893 |
1 |
1951 |
8 |
184 |
0.01 |
6.19 |
0.33 / 2019 |
19 |
|
20 |
85 |
59 |
72 |
103 / 1942 |
65 / 1923 |
70 / 2001 |
42 / 1902 |
1 |
1951 |
8 |
192 |
0.01 |
6.20 |
0.85 / 1921 |
20 |
|
21 |
85 |
59 |
72 |
103 / 1988 |
65 / 1903 |
71 / 2001 |
42 / 1902 |
1 |
1952 |
8 |
200 |
0.00 |
6.20 |
0.58 / 1921 |
21 |
|
22 |
86 |
59 |
73 |
102 / 2001 |
66 / 2019 |
73 / 1967 |
36 / 1903 |
1 |
1952 |
8 |
208 |
0.01 |
6.21 |
0.30 / 2015 |
22 |
|
23 |
86 |
60 |
73 |
107 / 1904 |
67 / 2010 |
73 / 2000 |
44 / 1903 |
1 |
1953 |
8 |
216 |
0.01 |
6.22 |
0.12 / 2015 |
23 |
|
24 |
86 |
60 |
73 |
107 / 1982 |
68 / 1980 |
76 / 1982 |
41 / 1916 |
0 |
1953 |
8 |
224 |
0.00 |
6.22 |
0.03 / 1980 |
24 |
|
25 |
86 |
60 |
73 |
106 / 1982 |
58 / 2008 |
77 / 1982 |
39 / 1893 |
0 |
1954 |
9 |
233 |
0.01 |
6.23 |
0.60 / 1902 |
25 |
|
26 |
87 |
60 |
74 |
107 / 1951 |
68 / 1998 |
72 / 1979 |
40 / 1918 |
0 |
1954 |
9 |
242 |
0.00 |
6.23 |
0.78 / 1971 |
26 |
|
27 |
87 |
61 |
74 |
106 / 1974 |
66 / 1971 |
75 / 1974 |
42 / 1917 |
0 |
1954 |
9 |
251 |
0.01 |
6.24 |
0.75 / 1906 |
27 |
|
28 |
87 |
61 |
74 |
107 / 1973 |
67 / 1953 |
75 / 2020 |
43 / 1906 |
0 |
1955 |
9 |
260 |
0.01 |
6.25 |
0.43 / 1953 |
28 |
|
29 |
87 |
61 |
74 |
106 / 1973 |
70 / 2011 |
75 / 1973 |
45 / 1927 |
0 |
1955 |
10 |
270 |
0.00 |
6.25 |
0.70 / 1919 |
29 |
|
30 |
88 |
61 |
74 |
108 / 1910 |
71 / 1906 |
74 / 1973 |
41 / 1906 |
0 |
1955 |
10 |
279 |
0.01 |
6.26 |
0.11 / 1948 |
30 |
|
31 |
88 |
61 |
75 |
110 / 1910 |
70 / 1967 |
76 / 2002 |
44 / 1923 |
0 |
1956 |
10 |
289 |
0.00 |
6.26 |
0.02 / 1948 |
31 |
|
Avg. |
84.1 |
58.0 |
71.1 |
|
26 |
|
214 |
|
0.25 |
|
Avg. |
||||
|
D |
Max. |
Min. |
Avg. |
High Max. |
Low Max. |
High Min. |
Low Min. |
Heating |
Normal |
Cooling |
Normal |
Daily |
Normal |
Record |
D |
|
|
|||||||||||||||
|
Temperature |
Degree Days |
Precipitation |
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