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, January 1933

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
January 1933
1-Month		2.25"
(57.15mm)		2.31"
(58.67mm)		-0.06"
(-1.52mm)		65th Driest
Driest since:
1981
65th Wettest
Wettest since:
1916
Dec 1932–Jan 1933
2-Month		5.17"
(131.32mm)		4.66"
(118.36mm)		0.51"
(12.96mm)		94th Driest
Driest since:
1981
35th Wettest
Wettest since:
1932
Nov 1932–Jan 1933
3-Month		7.19"
(182.63mm)		6.89"
(175.01mm)		0.30"
(7.62mm)		82nd Driest
Driest since:
1977
47th Wettest
Wettest since:
2016
Ties: 1923
Oct 1932–Jan 1933
4-Month		9.67"
(245.62mm)		9.06"
(230.12mm)		0.61"
(15.50mm)		89th Driest
Driest since:
1981
40th Wettest
Wettest since:
2016
Sep 1932–Jan 1933
5-Month		11.83"
(300.48mm)		11.55"
(293.37mm)		0.28"
(7.11mm)		73rd Driest
Driest since:
1940
56th Wettest
Wettest since:
2019
Aug 1932–Jan 1933
6-Month		14.68"
(372.87mm)		14.17"
(359.92mm)		0.51"
(12.95mm)		78th Driest
Driest since:
1940
51st Wettest
Wettest since:
2019
Jul 1932–Jan 1933
7-Month		17.28"
(438.91mm)		16.96"
(430.78mm)		0.32"
(8.13mm)		73rd Driest
Driest since:
1940
56th Wettest
Wettest since:
2019
Jun 1932–Jan 1933
8-Month		20.34"
(516.64mm)		19.88"
(504.95mm)		0.46"
(11.69mm)		76th Driest
Driest since:
1981
53rd Wettest
Wettest since:
2019
May 1932–Jan 1933
9-Month		22.76"
(578.10mm)		22.79"
(578.87mm)		-0.03"
(-0.77mm)		57th Driest
Driest since:
1918
72nd Wettest
Wettest since:
2016
Apr 1932–Jan 1933
10-Month		24.90"
(632.46mm)		25.32"
(643.13mm)		-0.42"
(-10.67mm)		45th Driest
Driest since:
1940
84th Wettest
Wettest since:
2016
Mar 1932–Jan 1933
11-Month		27.21"
(691.13mm)		27.83"
(706.88mm)		-0.62"
(-15.75mm)		41st Driest
Driest since:
1957
88th Wettest
Wettest since:
1974
Feb 1932–Jan 1933
12-Month		29.44"
(747.78mm)		29.96"
(760.98mm)		-0.52"
(-13.20mm)		44th Driest
Driest since:
1931
85th Wettest
Wettest since:
1974
Aug 1931–Jan 1933
18-Month		45.29"
(1,150.37mm)		44.14"
(1,121.16mm)		1.15"
(29.21mm)		82nd Driest
Driest since:
1955
46th Wettest
Wettest since:
2020
Feb 1931–Jan 1933
24-Month		58.65"
(1,489.71mm)		59.93"
(1,522.22mm)		-1.28"
(-32.51mm)		46th Driest
Driest since:
1918
82nd Wettest
Wettest since:
2020
Feb 1930–Jan 1933
36-Month		83.21"
(2,113.53mm)		89.86"
(2,282.44mm)		-6.65"
(-168.91mm)		6th Driest
Driest since:
1957
121st Wettest
Wettest since:
2020
Feb 1929–Jan 1933
48-Month		113.58"
(2,884.93mm)		119.76"
(3,041.90mm)		-6.18"
(-156.97mm)		12th Driest
Driest to Date
1957
114th Wettest
Wettest since:
2020
Feb 1928–Jan 1933
60-Month		144.16"
(3,661.66mm)		149.63"
(3,800.60mm)		-5.47"
(-138.94mm)		19th Driest
Driest since:
1957
106th Wettest
Wettest since:
2020
Ties: 1915

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