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 1910

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
January 1910
1-Month		2.15"
(54.61mm)		2.31"
(58.67mm)		-0.16"
(-4.06mm)		52nd Driest
Driest since:
1981
78th Wettest
Wettest since:
1916
Ties: 1967
Dec 1909–Jan 1910
2-Month		4.75"
(120.65mm)		4.66"
(118.36mm)		0.09"
(2.29mm)		68th Driest
Driest since:
1981
61st Wettest
Wettest since:
1932
Nov 1909–Jan 1910
3-Month		7.70"
(195.58mm)		6.89"
(175.01mm)		0.81"
(20.57mm)		102nd Driest
Driest since:
1977
27th Wettest
Wettest since:
2016
Oct 1909–Jan 1910
4-Month		9.24"
(234.70mm)		9.06"
(230.12mm)		0.18"
(4.58mm)		68th Driest
Driest since:
1981
61st Wettest
Wettest since:
2016
Ties: 1924
Sep 1909–Jan 1910
5-Month		11.52"
(292.61mm)		11.55"
(293.37mm)		-0.03"
(-0.76mm)		60th Driest
Driest since:
1940
69th Wettest
Wettest since:
2019
Aug 1909–Jan 1910
6-Month		13.93"
(353.82mm)		14.17"
(359.92mm)		-0.24"
(-6.10mm)		53rd Driest
Driest since:
1940
76th Wettest
Wettest since:
2019
Ties: 1970
Jul 1909–Jan 1910
7-Month		16.96"
(430.78mm)		16.96"
(430.78mm)		0.00"
(0.00mm)		55th Driest
Driest since:
1940
74th Wettest
Wettest since:
2019
Jun 1909–Jan 1910
8-Month		20.19"
(512.83mm)		19.88"
(504.95mm)		0.31"
(7.88mm)		67th Driest
Driest since:
1981
62nd Wettest
Wettest since:
2019
May 1909–Jan 1910
9-Month		23.23"
(590.04mm)		22.79"
(578.87mm)		0.44"
(11.17mm)		72nd Driest
Driest since:
1918
57th Wettest
Wettest since:
2016
Apr 1909–Jan 1910
10-Month		25.51"
(647.95mm)		25.32"
(643.13mm)		0.19"
(4.82mm)		58th Driest
Driest since:
1940
71st Wettest
Wettest since:
2016
Mar 1909–Jan 1910
11-Month		27.72"
(704.09mm)		27.83"
(706.88mm)		-0.11"
(-2.79mm)		53rd Driest
Driest since:
1957
76th Wettest
Wettest since:
1974
Feb 1909–Jan 1910
12-Month		30.60"
(777.24mm)		29.96"
(760.98mm)		0.64"
(16.26mm)		77th Driest
Driest since:
1931
52nd Wettest
Wettest since:
1974
Aug 1908–Jan 1910
18-Month		43.48"
(1,104.39mm)		44.14"
(1,121.16mm)		-0.66"
(-16.77mm)		44th Driest
Driest since:
1955
84th Wettest
Wettest since:
2020
Feb 1908–Jan 1910
24-Month		61.32"
(1,557.53mm)		59.93"
(1,522.22mm)		1.39"
(35.31mm)		82nd Driest
Driest since:
1918
46th Wettest
Wettest since:
2020
Feb 1907–Jan 1910
36-Month		91.33"
(2,319.78mm)		89.86"
(2,282.44mm)		1.47"
(37.34mm)		79th Driest
Driest since:
1957
48th Wettest
Wettest since:
2020
Feb 1906–Jan 1910
48-Month		124.39"
(3,159.51mm)		119.76"
(3,041.90mm)		4.63"
(117.61mm)		99th Driest
Driest since:
1957
27th Wettest
Wettest since:
2020
Feb 1905–Jan 1910
60-Month		157.34"
(3,996.44mm)		149.63"
(3,800.60mm)		7.71"
(195.84mm)		105th Driest
Driest since:
1957
20th Wettest
Wettest to Date
2020

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