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
Period Value 1901-2000
Mean
Anomaly Rank
(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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