National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, May 1941

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1941
1-Month
2.67"
(67.82mm)
2.91"
(73.91mm)
-0.24"
(-6.09mm)
40th Driest
Driest since:
1934
89th Wettest
Wettest since:
2019
Ties: 1977
Apr–May 1941
2-Month
5.68"
(144.27mm)
5.43"
(137.92mm)
0.25"
(6.35mm)
80th Driest
Driest since:
1934
49th Wettest
Wettest since:
1957
Mar–May 1941
3-Month
7.77"
(197.36mm)
7.94"
(201.68mm)
-0.17"
(-4.32mm)
56th Driest
Driest since:
1925
73rd Wettest
Wettest since:
1957, 1991
Feb–May 1941
4-Month
9.54"
(242.32mm)
10.07"
(255.78mm)
-0.53"
(-13.46mm)
39th Driest
Driest since:
1925
90th Wettest
Wettest since:
2019
Ties: 2000
Jan–May 1941
5-Month
11.62"
(295.15mm)
12.39"
(314.71mm)
-0.77"
(-19.56mm)
35th Driest
Driest since:
1934
94th Wettest
Wettest since:
2019
Dec 1940–May 1941
6-Month
14.46"
(367.28mm)
14.73"
(374.14mm)
-0.27"
(-6.86mm)
55th Driest
Driest since:
1931
73rd Wettest
Wettest since:
2019
Nov 1940–May 1941
7-Month
17.37"
(441.20mm)
16.96"
(430.78mm)
0.41"
(10.42mm)
78th Driest
Driest since:
1934
50th Wettest
Wettest since:
1983
Oct 1940–May 1941
8-Month
19.14"
(486.16mm)
19.13"
(485.90mm)
0.01"
(0.26mm)
63rd Driest
Driest since:
1934
65th Wettest
Wettest since:
2019
Sep 1940–May 1941
9-Month
21.14"
(536.96mm)
21.62"
(549.15mm)
-0.48"
(-12.19mm)
51st Driest
Driest since:
1934
77th Wettest
Wettest since:
2019
Ties: 2014
Aug 1940–May 1941
10-Month
24.11"
(612.39mm)
24.25"
(615.95mm)
-0.14"
(-3.56mm)
61st Driest
Driest since:
1918
67th Wettest
Wettest since:
2019
Jul 1940–May 1941
11-Month
26.61"
(675.89mm)
27.03"
(686.56mm)
-0.42"
(-10.67mm)
51st Driest
Driest since:
1931
77th Wettest
Wettest since:
2019
Jun 1940–May 1941
12-Month
29.59"
(751.59mm)
29.95"
(760.73mm)
-0.36"
(-9.14mm)
48th Driest
Driest since:
1934
80th Wettest
Wettest since:
2019
Dec 1939–May 1941
18-Month
43.91"
(1,115.31mm)
44.70"
(1,135.38mm)
-0.79"
(-20.07mm)
46th Driest
Driest since:
1931
81st Wettest
Wettest since:
2019
Ties: 1960
Jun 1939–May 1941
24-Month
56.51"
(1,435.35mm)
59.92"
(1,521.97mm)
-3.41"
(-86.62mm)
22nd Driest
Driest since:
1931
105th Wettest
Wettest since:
2020
Jun 1938–May 1941
36-Month
84.35"
(2,142.49mm)
89.88"
(2,282.95mm)
-5.53"
(-140.46mm)
11th Driest
Driest since:
1955
115th Wettest
Wettest since:
2019
Jun 1937–May 1941
48-Month
115.58"
(2,935.73mm)
119.78"
(3,042.41mm)
-4.20"
(-106.68mm)
27th Driest
Driest since:
1956
98th Wettest
Wettest since:
2019
Jun 1936–May 1941
60-Month
144.04"
(3,658.62mm)
149.64"
(3,800.86mm)
-5.60"
(-142.24mm)
14th Driest
Driest since:
1957
110th Wettest
Wettest since:
2020
Ties: 1932

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