Maryland May 1940 Precipitation Rankings
1901-2000
Inches
1
4.37
3.73
0.64
83
47
1964
2018
1939
1934
normal
2
10.35
7.21
3.14
119
11
1963
1983
1939
1933
top-tenth
3
14.21
10.99
3.22
117
13
1986
1983
1939
1933
top-tenth
1994
4
17.20
13.88
3.32
113
17
2006
1983
1939
1933
top-third
5
19.64
17.23
2.41
103
27
1969
1998
1939
1937
top-third
6
21.60
20.52
1.08
88
41
1986
1984
1938
1939
top-third
7
23.04
23.51
-0.47
69
60
1977
1998
1938
1939
normal
8
27.99
26.64
1.35
89
40
1925
1984
1939
1937
top-third
9
31.12
30.19
0.93
77
52
2002
2019
1938
1939
normal
10
35.51
34.56
0.95
75
54
1931
2019
1939
1937
normal
2007
11
39.40
38.72
0.68
68
61
1931
2019
1938
1939
normal
12
44.33
42.56
1.77
72
57
1931
2019
1938
1939
normal
18
66.20
63.04
3.16
88
40
1931
2019
1939
1938
top-third
24
91.37
85.05
6.32
97
31
1931
2019
1939
1937
top-third
36
135.68
127.65
8.03
98
29
1967
2021
1933
1939
top-third
48
182.54
170.18
12.36
102
24
1966
2021
1934
1939
top-third
60
233.07
212.57
20.50
110
15
1969
2022
1938
1939
top-third