December 1917 - May 1918 Climate Regions Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
128 years
1901-2000
101
Northeast Climate Region
30.5
-3
5
33.5
102
Upper Midwest Climate Region
26.8
-2.6
17
29.4
103
Ohio Valley Climate Region
39.8
-2.5
8
42.3
104
Southeast Climate Region
53
-1.3
24
54.3
105
Northern Rockies and Plains Climate Region
28.6
-1.7
24
30.3
106
South Climate Region
51.5
-1.2
24
52.7
107
Southwest Climate Region
42
0.5
77
41.5
108
Northwest Climate Region
37.5
1.3
97
36.2
109
West Climate Region
45.3
0.2
68
45.1