Contiguous U.S. May 1939 Precipitation Rankings
1901-2000
Inches
1
2.20
2.91
-0.71
6
124
1934
2019
1934
1938
bottom-tenth
2
4.36
5.43
-1.07
5
125
1934
1957
1936
1938
bottom-tenth
1931
3
6.43
7.94
-1.51
6
124
1925
1957,1991
1936
1938
bottom-tenth
1988
4
9.36
10.07
-0.71
30
100
1925
2019
1936
1938
bottom-third
5
11.85
12.39
-0.54
46
84
1934
2019
1936
1938
normal
1936
6
13.56
14.73
-1.17
26
103
1931
2019
1934
1938
bottom-third
1924,2006
7
15.57
16.96
-1.39
23
106
1934
1983
1934
1938
bottom-third
1954,2002
8
16.87
19.13
-2.26
12
117
1934
2019
1934
1938
bottom-tenth
9
19.32
21.62
-2.30
16
113
1934
2019
1934
1938
bottom-third
10
21.38
24.25
-2.87
11
118
1918
2019
1934
1938
bottom-tenth
11
24.72
27.03
-2.31
16
113
1931
2019
1934
1938
bottom-third
12
27.84
29.95
-2.11
20
109
1934
2019
1934
1938
bottom-third
18
44.02
44.70
-0.68
50
78
1931
2019
1937
1938
normal
1972
24
59.07
59.92
-0.85
48
80
1931
2020
1937
1938
normal
1897
36
87.53
89.88
-2.35
38
89
1955
2019
1937
1938
bottom-third
48
115.57
119.78
-4.21
26
100
1956
2019
1937
1938
bottom-third
60
145.26
149.64
-4.38
28
97
1957
2020
1938
1931
bottom-third
1918