National Rankings

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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 1930

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1930 1-Month	2.58" (65.53mm)	2.31" (58.67mm)	0.27" (6.86mm)	96th Driest	Driest since: 1929	1981
January 1930 1-Month	2.58" (65.53mm)	2.31" (58.67mm)	0.27" (6.86mm)	34th Wettest	Wettest since: 1916	1916
Dec 1929–Jan 1930 2-Month	4.79" (121.67mm)	4.66" (118.36mm)	0.13" (3.31mm)	71st Driest	Driest since: 1929	1981
	4.79" (121.67mm)	4.66" (118.36mm)	0.13" (3.31mm)	58th Wettest	Wettest since: 1925	1932
	Ties: 1984, 2007
Nov 1929–Jan 1930 3-Month	6.75" (171.45mm)	6.89" (175.01mm)	-0.14" (-3.56mm)	58th Driest	Driest since: 1929	1977
	6.75" (171.45mm)	6.89" (175.01mm)	-0.14" (-3.56mm)	71st Wettest	Wettest since: 1927	2016
	Ties: 1948
Oct 1929–Jan 1930 4-Month	9.35" (237.49mm)	9.06" (230.12mm)	0.29" (7.37mm)	77th Driest	Driest since: 1929	1981
Oct 1929–Jan 1930 4-Month	9.35" (237.49mm)	9.06" (230.12mm)	0.29" (7.37mm)	52nd Wettest	Wettest since: 1927	2016
Sep 1929–Jan 1930 5-Month	12.10" (307.34mm)	11.55" (293.37mm)	0.55" (13.97mm)	84th Driest	Driest since: 1929	1940
Sep 1929–Jan 1930 5-Month	12.10" (307.34mm)	11.55" (293.37mm)	0.55" (13.97mm)	45th Wettest	Wettest since: 1927	2019
Aug 1929–Jan 1930 6-Month	13.90" (353.06mm)	14.17" (359.92mm)	-0.27" (-6.86mm)	51st Driest	Driest since: 1929	1940
Aug 1929–Jan 1930 6-Month	13.90" (353.06mm)	14.17" (359.92mm)	-0.27" (-6.86mm)	78th Wettest	Wettest since: 1928	2019
Jul 1929–Jan 1930 7-Month	16.47" (418.34mm)	16.96" (430.78mm)	-0.49" (-12.44mm)	45th Driest	Driest since: 1925	1940
Jul 1929–Jan 1930 7-Month	16.47" (418.34mm)	16.96" (430.78mm)	-0.49" (-12.44mm)	84th Wettest	Wettest since: 1929	2019
Jun 1929–Jan 1930 8-Month	19.10" (485.14mm)	19.88" (504.95mm)	-0.78" (-19.81mm)	40th Driest	Driest since: 1925	1981
Jun 1929–Jan 1930 8-Month	19.10" (485.14mm)	19.88" (504.95mm)	-0.78" (-19.81mm)	89th Wettest	Wettest since: 1929	2019
May 1929–Jan 1930 9-Month	22.61" (574.29mm)	22.79" (578.87mm)	-0.18" (-4.58mm)	53rd Driest	Driest since: 1926	1918
	22.61" (574.29mm)	22.79" (578.87mm)	-0.18" (-4.58mm)	76th Wettest	Wettest since: 1929	2016
	Ties: 2008
Apr 1929–Jan 1930 10-Month	25.54" (648.72mm)	25.32" (643.13mm)	0.22" (5.59mm)	60th Driest	Driest since: 1926	1940
Apr 1929–Jan 1930 10-Month	25.54" (648.72mm)	25.32" (643.13mm)	0.22" (5.59mm)	69th Wettest	Wettest since: 1929	2016
Mar 1929–Jan 1930 11-Month	28.35" (720.09mm)	27.83" (706.88mm)	0.52" (13.21mm)	75th Driest	Driest since: 1927	1957
Mar 1929–Jan 1930 11-Month	28.35" (720.09mm)	27.83" (706.88mm)	0.52" (13.21mm)	54th Wettest	Wettest since: 1929	1974
Feb 1929–Jan 1930 12-Month	30.37" (771.40mm)	29.96" (760.98mm)	0.41" (10.42mm)	70th Driest	Driest since: 1927	1931
Feb 1929–Jan 1930 12-Month	30.37" (771.40mm)	29.96" (760.98mm)	0.41" (10.42mm)	59th Wettest	Wettest since: 1929	1974
Aug 1928–Jan 1930 18-Month	44.11" (1,120.39mm)	44.14" (1,121.16mm)	-0.03" (-0.77mm)	62nd Driest	Driest since: 1926	1955
Aug 1928–Jan 1930 18-Month	44.11" (1,120.39mm)	44.14" (1,121.16mm)	-0.03" (-0.77mm)	66th Wettest	Wettest since: 1929	2020
Feb 1928–Jan 1930 24-Month	60.95" (1,548.13mm)	59.93" (1,522.22mm)	1.02" (25.91mm)	78th Driest	Driest since: 1927	1918
Feb 1928–Jan 1930 24-Month	60.95" (1,548.13mm)	59.93" (1,522.22mm)	1.02" (25.91mm)	50th Wettest	Wettest since: 1929	2020
Feb 1927–Jan 1930 36-Month	92.52" (2,350.01mm)	89.86" (2,282.44mm)	2.66" (67.57mm)	89th Driest	Driest since: 1929	1957
Feb 1927–Jan 1930 36-Month	92.52" (2,350.01mm)	89.86" (2,282.44mm)	2.66" (67.57mm)	38th Wettest	Wettest since: 1909	2020
Feb 1926–Jan 1930 48-Month	122.87" (3,120.90mm)	119.76" (3,041.90mm)	3.11" (79.00mm)	88th Driest	Driest since: 1929	1957
Feb 1926–Jan 1930 48-Month	122.87" (3,120.90mm)	119.76" (3,041.90mm)	3.11" (79.00mm)	38th Wettest	Wettest since: 1916	2020
Feb 1925–Jan 1930 60-Month	149.90" (3,807.46mm)	149.63" (3,800.60mm)	0.27" (6.86mm)	60th Driest	Driest since: 1929	1957
Feb 1925–Jan 1930 60-Month	149.90" (3,807.46mm)	149.63" (3,800.60mm)	0.27" (6.86mm)	65th Wettest	Wettest since: 1924	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings