December 1937 - May 1939 Climate Regions Precipitation
-99
1901-2000 base period
Inches
127 years
1901-2000
101
Northeast Climate Region
62.82
1.06
66
61.76
102
Upper Midwest Climate Region
43.4
2.66
84
40.74
103
Ohio Valley Climate Region
66.36
3.34
78
63.02
104
Southeast Climate Region
67.55
-6.81
24
74.36
105
Northern Rockies and Plains Climate Region
25.45
-1.23
37
26.68
106
South Climate Region
49.7
-2.17
40
51.87
107
Southwest Climate Region
20.94
0.08
77
20.86
108
Northwest Climate Region
48.54
-4.11
29
52.65
109
West Climate Region
33.33
3.08
93
30.25