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 1952

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1952
1-Month		2.69"
(68.33mm)		2.91"
(73.91mm)		-0.22"
(-5.58mm)		42nd Driest
Driest since:
1934
87th Wettest
Wettest since:
2019
Ties: 1954, 1962
Apr–May 1952
2-Month		5.09"
(129.29mm)		5.43"
(137.92mm)		-0.34"
(-8.63mm)		42nd Driest
Driest since:
1934
87th Wettest
Wettest since:
1957
Ties: 1954
Mar–May 1952
3-Month		8.02"
(203.71mm)		7.94"
(201.68mm)		0.08"
(2.03mm)		71st Driest
Driest since:
1925
58th Wettest
Wettest since:
1957, 1991
Feb–May 1952
4-Month		10.02"
(254.51mm)		10.07"
(255.78mm)		-0.05"
(-1.27mm)		70th Driest
Driest since:
1925
59th Wettest
Wettest since:
2019
Jan–May 1952
5-Month		12.46"
(316.48mm)		12.39"
(314.71mm)		0.07"
(1.77mm)		73rd Driest
Driest since:
1934
56th Wettest
Wettest since:
2019
Dec 1951–May 1952
6-Month		15.58"
(395.73mm)		14.73"
(374.14mm)		0.85"
(21.59mm)		90th Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Nov 1951–May 1952
7-Month		18.01"
(457.45mm)		16.96"
(430.78mm)		1.05"
(26.67mm)		96th Driest
Driest since:
1934
32nd Wettest
Wettest since:
1983
Oct 1951–May 1952
8-Month		20.31"
(515.87mm)		19.13"
(485.90mm)		1.18"
(29.97mm)		97th Driest
Driest since:
1934
31st Wettest
Wettest since:
2019
Sep 1951–May 1952
9-Month		22.88"
(581.15mm)		21.62"
(549.15mm)		1.26"
(32.00mm)		94th Driest
Driest since:
1934
34th Wettest
Wettest since:
2019
Aug 1951–May 1952
10-Month		25.49"
(647.45mm)		24.25"
(615.95mm)		1.24"
(31.50mm)		93rd Driest
Driest since:
1918
35th Wettest
Wettest since:
2019
Jul 1951–May 1952
11-Month		28.34"
(719.84mm)		27.03"
(686.56mm)		1.31"
(33.28mm)		93rd Driest
Driest since:
1931
35th Wettest
Wettest since:
2019
Jun 1951–May 1952
12-Month		31.78"
(807.21mm)		29.95"
(760.73mm)		1.83"
(46.48mm)		96th Driest
Driest since:
1934
32nd Wettest
Wettest since:
2019
Ties: 1908
Dec 1950–May 1952
18-Month		45.64"
(1,159.26mm)		44.70"
(1,135.38mm)		0.94"
(23.88mm)		77th Driest
Driest since:
1931
50th Wettest
Wettest since:
2019
Ties: 1897, 1909
Jun 1950–May 1952
24-Month		61.54"
(1,563.12mm)		59.92"
(1,521.97mm)		1.62"
(41.15mm)		87th Driest
Driest since:
1931
40th Wettest
Wettest since:
2020
Jun 1949–May 1952
36-Month		91.78"
(2,331.21mm)		89.88"
(2,282.95mm)		1.90"
(48.26mm)		83rd Driest
Driest since:
1955
43rd Wettest
Wettest since:
2019
Jun 1948–May 1952
48-Month		122.74"
(3,117.60mm)		119.78"
(3,042.41mm)		2.96"
(75.19mm)		84th Driest
Driest since:
1956
41st Wettest
Wettest since:
2019
Jun 1947–May 1952
60-Month		152.99"
(3,885.95mm)		149.64"
(3,800.86mm)		3.35"
(85.09mm)		82nd Driest
Driest since:
1957
42nd Wettest
Wettest since:
2020

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