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 1971

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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 1971 1-Month	2.03" (51.56mm)	2.31" (58.67mm)	-0.28" (-7.11mm)	38th Driest	Driest since: 1963	1981
	2.03" (51.56mm)	2.31" (58.67mm)	-0.28" (-7.11mm)	92nd Wettest	Wettest since: 1970	1916
	Ties: 1922
Dec 1970–Jan 1971 2-Month	4.25" (107.95mm)	4.66" (118.36mm)	-0.41" (-10.41mm)	40th Driest	Driest since: 1964	1981
Dec 1970–Jan 1971 2-Month	4.25" (107.95mm)	4.66" (118.36mm)	-0.41" (-10.41mm)	89th Wettest	Wettest since: 1970	1932
Nov 1970–Jan 1971 3-Month	6.45" (163.83mm)	6.89" (175.01mm)	-0.44" (-11.18mm)	41st Driest	Driest since: 1963	1977
	6.45" (163.83mm)	6.89" (175.01mm)	-0.44" (-11.18mm)	88th Wettest	Wettest since: 1970	2016
	Ties: 1986
Oct 1970–Jan 1971 4-Month	9.33" (236.98mm)	9.06" (230.12mm)	0.27" (6.86mm)	76th Driest	Driest since: 1970	1981
Oct 1970–Jan 1971 4-Month	9.33" (236.98mm)	9.06" (230.12mm)	0.27" (6.86mm)	53rd Wettest	Wettest since: 1969	2016
Sep 1970–Jan 1971 5-Month	12.39" (314.71mm)	11.55" (293.37mm)	0.84" (21.34mm)	91st Driest	Driest since: 1970	1940
Sep 1970–Jan 1971 5-Month	12.39" (314.71mm)	11.55" (293.37mm)	0.84" (21.34mm)	38th Wettest	Wettest since: 1969	2019
Aug 1970–Jan 1971 6-Month	14.76" (374.90mm)	14.17" (359.92mm)	0.59" (14.98mm)	84th Driest	Driest since: 1970	1940
	14.76" (374.90mm)	14.17" (359.92mm)	0.59" (14.98mm)	45th Wettest	Wettest since: 1969	2019
	Ties: 1979
Jul 1970–Jan 1971 7-Month	17.17" (436.12mm)	16.96" (430.78mm)	0.21" (5.34mm)	70th Driest	Driest since: 1970	1940
	17.17" (436.12mm)	16.96" (430.78mm)	0.21" (5.34mm)	59th Wettest	Wettest since: 1969	2019
	Ties: 1913, 1937
Jun 1970–Jan 1971 8-Month	19.94" (506.48mm)	19.88" (504.95mm)	0.06" (1.53mm)	56th Driest	Driest since: 1967	1981
Jun 1970–Jan 1971 8-Month	19.94" (506.48mm)	19.88" (504.95mm)	0.06" (1.53mm)	73rd Wettest	Wettest since: 1970	2019
May 1970–Jan 1971 9-Month	22.55" (572.77mm)	22.79" (578.87mm)	-0.24" (-6.10mm)	50th Driest	Driest since: 1967	1918
May 1970–Jan 1971 9-Month	22.55" (572.77mm)	22.79" (578.87mm)	-0.24" (-6.10mm)	79th Wettest	Wettest since: 1970	2016
Apr 1970–Jan 1971 10-Month	25.33" (643.38mm)	25.32" (643.13mm)	0.01" (0.25mm)	54th Driest	Driest since: 1967	1940
Apr 1970–Jan 1971 10-Month	25.33" (643.38mm)	25.32" (643.13mm)	0.01" (0.25mm)	75th Wettest	Wettest since: 1970	2016
Mar 1970–Jan 1971 11-Month	28.01" (711.45mm)	27.83" (706.88mm)	0.18" (4.57mm)	64th Driest	Driest since: 1970	1957
Mar 1970–Jan 1971 11-Month	28.01" (711.45mm)	27.83" (706.88mm)	0.18" (4.57mm)	65th Wettest	Wettest since: 1969	1974
Feb 1970–Jan 1971 12-Month	29.64" (752.86mm)	29.96" (760.98mm)	-0.32" (-8.12mm)	47th Driest	Driest since: 1968	1931
Feb 1970–Jan 1971 12-Month	29.64" (752.86mm)	29.96" (760.98mm)	-0.32" (-8.12mm)	82nd Wettest	Wettest since: 1970	1974
Aug 1969–Jan 1971 18-Month	43.57" (1,106.68mm)	44.14" (1,121.16mm)	-0.57" (-14.48mm)	47th Driest	Driest since: 1968	1955
Aug 1969–Jan 1971 18-Month	43.57" (1,106.68mm)	44.14" (1,121.16mm)	-0.57" (-14.48mm)	81st Wettest	Wettest since: 1970	2020
Feb 1969–Jan 1971 24-Month	59.35" (1,507.49mm)	59.93" (1,522.22mm)	-0.58" (-14.73mm)	52nd Driest	Driest since: 1968	1918
Feb 1969–Jan 1971 24-Month	59.35" (1,507.49mm)	59.93" (1,522.22mm)	-0.58" (-14.73mm)	76th Wettest	Wettest since: 1970	2020
Feb 1968–Jan 1971 36-Month	90.58" (2,300.73mm)	89.86" (2,282.44mm)	0.72" (18.29mm)	72nd Driest	Driest since: 1970	1957
Feb 1968–Jan 1971 36-Month	90.58" (2,300.73mm)	89.86" (2,282.44mm)	0.72" (18.29mm)	55th Wettest	Wettest since: 1962	2020
Feb 1967–Jan 1971 48-Month	120.20" (3,053.08mm)	119.76" (3,041.90mm)	0.44" (11.18mm)	61st Driest	Driest since: 1970	1957
Feb 1967–Jan 1971 48-Month	120.20" (3,053.08mm)	119.76" (3,041.90mm)	0.44" (11.18mm)	65th Wettest	Wettest since: 1962	2020
Feb 1966–Jan 1971 60-Month	147.45" (3,745.23mm)	149.63" (3,800.60mm)	-2.18" (-55.37mm)	45th Driest	Driest since: 1968	1957
Feb 1966–Jan 1971 60-Month	147.45" (3,745.23mm)	149.63" (3,800.60mm)	-2.18" (-55.37mm)	80th Wettest	Wettest since: 1970	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings