February - November 1918 Climate Regions Precipitation
Inches
-99
1901-2000 base period
1901-2000
10100
Northeast Climate Region
34.8
45
35.57
-0.77
10200
Upper Midwest Climate Region
25.46
33
27.29
-1.83
10300
Ohio Valley Climate Region
32.96
28
36.08
-3.12
10400
Southeast Climate Region
38.95
25
42.61
-3.66
10500
Northern Rockies and Plains Climate Region
16.17
45
16.87
-0.7
10600
South Climate Region
26.9
27
30.16
-3.26
10700
Southwest Climate Region
12.49
68
12.55
-0.06
10800
Northwest Climate Region
20.5
36
22.92
-2.42
10900
West Climate Region
14.44
108
11.89
2.55