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, July 1923

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
July 1923
1-Month		2.70"
(68.58mm)		2.78"
(70.61mm)		-0.08"
(-2.03mm)		45th Driest
Driest since:
1930
84th Wettest
Wettest since:
1950, 1958
Ties: 1920, 1988, 1991, 2005
Jun–Jul 1923
2-Month		6.00"
(152.40mm)		5.70"
(144.78mm)		0.30"
(7.62mm)		85th Driest
Driest since:
1930
44th Wettest
Wettest since:
1928
May–Jul 1923
3-Month		9.13"
(231.90mm)		8.62"
(218.95mm)		0.51"
(12.95mm)		86th Driest
Driest since:
1988
43rd Wettest
Wettest since:
2015
Apr–Jul 1923
4-Month		11.97"
(304.04mm)		11.13"
(282.70mm)		0.84"
(21.34mm)		98th Driest
Driest since:
1934
31st Wettest
Wettest since:
2015
Mar–Jul 1923
5-Month		14.39"
(365.51mm)		13.64"
(346.46mm)		0.75"
(19.05mm)		87th Driest
Driest since:
1936
42nd Wettest
Wettest since:
1973
Ties: 2016
Feb–Jul 1923
6-Month		16.25"
(412.75mm)		15.78"
(400.81mm)		0.47"
(11.94mm)		73rd Driest
Driest since:
1934
56th Wettest
Wettest since:
2019
Jan–Jul 1923
7-Month		18.69"
(474.73mm)		18.09"
(459.49mm)		0.60"
(15.24mm)		81st Driest
Driest since:
1934
48th Wettest
Wettest since:
2019
Ties: 1978
Dec 1922–Jul 1923
8-Month		21.36"
(542.54mm)		20.44"
(519.18mm)		0.92"
(23.36mm)		85th Driest
Driest since:
1931
43rd Wettest
Wettest since:
2019
Nov 1922–Jul 1923
9-Month		23.44"
(595.38mm)		22.66"
(575.56mm)		0.78"
(19.82mm)		79th Driest
Driest since:
1934
49th Wettest
Wettest since:
2019
Ties: 1996
Oct 1922–Jul 1923
10-Month		25.17"
(639.32mm)		24.83"
(630.68mm)		0.34"
(8.64mm)		68th Driest
Driest since:
1934
60th Wettest
Wettest since:
2019
Ties: 1943
Sep 1922–Jul 1923
11-Month		26.64"
(676.66mm)		27.33"
(694.18mm)		-0.69"
(-17.52mm)		43rd Driest
Driest since:
1934
85th Wettest
Wettest since:
2019
Aug 1922–Jul 1923
12-Month		28.87"
(733.30mm)		29.95"
(760.73mm)		-1.08"
(-27.43mm)		37th Driest
Driest since:
1918
91st Wettest
Wettest since:
2019
Feb 1922–Jul 1923
18-Month		46.55"
(1,182.37mm)		45.74"
(1,161.80mm)		0.81"
(20.57mm)		71st Driest
Driest since:
1931
57th Wettest
Wettest since:
2019
Aug 1921–Jul 1923
24-Month		59.86"
(1,520.44mm)		59.92"
(1,521.97mm)		-0.06"
(-1.53mm)		57th Driest
Driest since:
1918
70th Wettest
Wettest since:
2020
Aug 1920–Jul 1923
36-Month		90.38"
(2,295.65mm)		89.88"
(2,282.95mm)		0.50"
(12.70mm)		66th Driest
Driest since:
1956
60th Wettest
Wettest since:
2019
Aug 1919–Jul 1923
48-Month		121.54"
(3,087.12mm)		119.78"
(3,042.41mm)		1.76"
(44.71mm)		72nd Driest
Driest since:
1956
53rd Wettest
Wettest since:
2019
Ties: 1961
Aug 1918–Jul 1923
60-Month		153.23"
(3,892.04mm)		149.64"
(3,800.86mm)		3.59"
(91.18mm)		83rd Driest
Driest since:
1934
41st Wettest
Wettest since:
2019

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