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 1943

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1943
1-Month
3.39"
(86.11mm)
2.91"
(73.91mm)
0.48"
(12.20mm)
110th Driest
Driest since:
1934
19th Wettest
Wettest since:
2019
Ties: 1933
Apr–May 1943
2-Month
5.52"
(140.21mm)
5.43"
(137.92mm)
0.09"
(2.29mm)
72nd Driest
Driest since:
1934
57th Wettest
Wettest since:
1957
Mar–May 1943
3-Month
8.40"
(213.36mm)
7.94"
(201.68mm)
0.46"
(11.68mm)
92nd Driest
Driest since:
1925
37th Wettest
Wettest since:
1957, 1991
Ties: 1933
Feb–May 1943
4-Month
9.65"
(245.11mm)
10.07"
(255.78mm)
-0.42"
(-10.67mm)
49th Driest
Driest since:
1925
80th Wettest
Wettest since:
2019
Jan–May 1943
5-Month
11.88"
(301.75mm)
12.39"
(314.71mm)
-0.51"
(-12.96mm)
49th Driest
Driest since:
1934
80th Wettest
Wettest since:
2019
Dec 1942–May 1943
6-Month
14.88"
(377.95mm)
14.73"
(374.14mm)
0.15"
(3.81mm)
70th Driest
Driest since:
1931
58th Wettest
Wettest since:
2019
Ties: 1909
Nov 1942–May 1943
7-Month
17.23"
(437.64mm)
16.96"
(430.78mm)
0.27"
(6.86mm)
73rd Driest
Driest since:
1934
55th Wettest
Wettest since:
1983
Ties: 1896
Oct 1942–May 1943
8-Month
19.33"
(490.98mm)
19.13"
(485.90mm)
0.20"
(5.08mm)
68th Driest
Driest since:
1934
60th Wettest
Wettest since:
2019
Sep 1942–May 1943
9-Month
22.03"
(559.56mm)
21.62"
(549.15mm)
0.41"
(10.41mm)
74th Driest
Driest since:
1934
54th Wettest
Wettest since:
2019
Ties: 1937
Aug 1942–May 1943
10-Month
25.19"
(639.83mm)
24.25"
(615.95mm)
0.94"
(23.88mm)
86th Driest
Driest since:
1918
42nd Wettest
Wettest since:
2019
Jul 1942–May 1943
11-Month
27.71"
(703.83mm)
27.03"
(686.56mm)
0.68"
(17.27mm)
79th Driest
Driest since:
1931
49th Wettest
Wettest since:
2019
Jun 1942–May 1943
12-Month
31.17"
(791.72mm)
29.95"
(760.73mm)
1.22"
(30.99mm)
88th Driest
Driest since:
1934
40th Wettest
Wettest since:
2019
Ties: 1980
Dec 1941–May 1943
18-Month
46.02"
(1,168.91mm)
44.70"
(1,135.38mm)
1.32"
(33.53mm)
88th Driest
Driest since:
1931
39th Wettest
Wettest since:
2019
Jun 1941–May 1943
24-Month
64.40"
(1,635.76mm)
59.92"
(1,521.97mm)
4.48"
(113.79mm)
110th Driest
Driest since:
1931
17th Wettest
Wettest since:
2020
Jun 1940–May 1943
36-Month
93.99"
(2,387.35mm)
89.88"
(2,282.95mm)
4.11"
(104.40mm)
101st Driest
Driest since:
1955
25th Wettest
Wettest since:
2019
Jun 1939–May 1943
48-Month
120.91"
(3,071.11mm)
119.78"
(3,042.41mm)
1.13"
(28.70mm)
67th Driest
Driest since:
1956
58th Wettest
Wettest since:
2019
Jun 1938–May 1943
60-Month
148.75"
(3,778.25mm)
149.64"
(3,800.86mm)
-0.89"
(-22.61mm)
53rd Driest
Driest since:
1957
71st Wettest
Wettest since:
2020

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