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, December 1971

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 1971 1-Month	3.20" (81.28mm)	2.35" (59.69mm)	0.85" (21.59mm)	121st Driest	Driest since: 1970	1930
December 1971 1-Month	3.20" (81.28mm)	2.35" (59.69mm)	0.85" (21.59mm)	8th Wettest	Wettest since: 1964	2015
Nov–Dec 1971 2-Month	5.23" (132.84mm)	4.58" (116.33mm)	0.65" (16.51mm)	101st Driest	Driest since: 1970	1976
	5.23" (132.84mm)	4.58" (116.33mm)	0.65" (16.51mm)	28th Wettest	Wettest since: 1968	2015
	Ties: 2022
Oct–Dec 1971 3-Month	7.96" (202.18mm)	6.74" (171.20mm)	1.22" (30.98mm)	113th Driest	Driest since: 1970	1917
Oct–Dec 1971 3-Month	7.96" (202.18mm)	6.74" (171.20mm)	1.22" (30.98mm)	16th Wettest	Wettest since: 1957	2015
Sep–Dec 1971 4-Month	10.79" (274.07mm)	9.23" (234.44mm)	1.56" (39.63mm)	112th Driest	Driest since: 1970	1939
Sep–Dec 1971 4-Month	10.79" (274.07mm)	9.23" (234.44mm)	1.56" (39.63mm)	17th Wettest	Wettest since: 1957	2018
Aug–Dec 1971 5-Month	13.54" (343.92mm)	11.85" (300.99mm)	1.69" (42.93mm)	113th Driest	Driest since: 1970	1917
Aug–Dec 1971 5-Month	13.54" (343.92mm)	11.85" (300.99mm)	1.69" (42.93mm)	16th Wettest	Wettest since: 1941	2018
Jul–Dec 1971 6-Month	16.54" (420.12mm)	14.62" (371.35mm)	1.92" (48.77mm)	112th Driest	Driest since: 1970	1917
Jul–Dec 1971 6-Month	16.54" (420.12mm)	14.62" (371.35mm)	1.92" (48.77mm)	17th Wettest	Wettest since: 1941	2018
Jun–Dec 1971 7-Month	19.07" (484.38mm)	17.55" (445.77mm)	1.52" (38.61mm)	105th Driest	Driest since: 1970	1917
Jun–Dec 1971 7-Month	19.07" (484.38mm)	17.55" (445.77mm)	1.52" (38.61mm)	24th Wettest	Wettest since: 1957	2018
May–Dec 1971 8-Month	21.99" (558.55mm)	20.46" (519.68mm)	1.53" (38.87mm)	97th Driest	Driest since: 1970	1917
May–Dec 1971 8-Month	21.99" (558.55mm)	20.46" (519.68mm)	1.53" (38.87mm)	32nd Wettest	Wettest since: 1968	2015
Apr–Dec 1971 9-Month	23.85" (605.79mm)	22.98" (583.69mm)	0.87" (22.10mm)	77th Driest	Driest since: 1970	1956
Apr–Dec 1971 9-Month	23.85" (605.79mm)	22.98" (583.69mm)	0.87" (22.10mm)	52nd Wettest	Wettest since: 1968	2015
Mar–Dec 1971 10-Month	25.93" (658.62mm)	25.49" (647.45mm)	0.44" (11.17mm)	67th Driest	Driest since: 1969	1956
Mar–Dec 1971 10-Month	25.93" (658.62mm)	25.49" (647.45mm)	0.44" (11.17mm)	62nd Wettest	Wettest since: 1970	2015
Feb–Dec 1971 11-Month	28.30" (718.82mm)	27.62" (701.55mm)	0.68" (17.27mm)	71st Driest	Driest since: 1970	1910
Feb–Dec 1971 11-Month	28.30" (718.82mm)	27.62" (701.55mm)	0.68" (17.27mm)	58th Wettest	Wettest since: 1961	2018
Jan–Dec 1971 12-Month	30.33" (770.38mm)	29.94" (760.48mm)	0.39" (9.90mm)	66th Driest	Driest since: 1970	1910
Jan–Dec 1971 12-Month	30.33" (770.38mm)	29.94" (760.48mm)	0.39" (9.90mm)	63rd Wettest	Wettest since: 1969	1973
Jul 1970–Dec 1971 18-Month	45.47" (1,154.94mm)	44.58" (1,132.33mm)	0.89" (22.61mm)	77th Driest	Driest since: 1970	1954
Jul 1970–Dec 1971 18-Month	45.47" (1,154.94mm)	44.58" (1,132.33mm)	0.89" (22.61mm)	51st Wettest	Wettest since: 1969	2019
Jan 1970–Dec 1971 24-Month	60.03" (1,524.76mm)	59.90" (1,521.46mm)	0.13" (3.30mm)	61st Driest	Driest since: 1968	1931
Jan 1970–Dec 1971 24-Month	60.03" (1,524.76mm)	59.90" (1,521.46mm)	0.13" (3.30mm)	67th Wettest	Wettest since: 1970	2019
Jan 1969–Dec 1971 36-Month	90.66" (2,302.76mm)	89.86" (2,282.44mm)	0.80" (20.32mm)	73rd Driest	Driest since: 1969	1956
Jan 1969–Dec 1971 36-Month	90.66" (2,302.76mm)	89.86" (2,282.44mm)	0.80" (20.32mm)	54th Wettest	Wettest since: 1970	2019
Jan 1968–Dec 1971 48-Month	121.05" (3,074.67mm)	119.78" (3,042.41mm)	1.27" (32.26mm)	69th Driest	Driest since: 1970	1956
Jan 1968–Dec 1971 48-Month	121.05" (3,074.67mm)	119.78" (3,042.41mm)	1.27" (32.26mm)	57th Wettest	Wettest since: 1960	2019
Jan 1967–Dec 1971 60-Month	150.65" (3,826.51mm)	149.68" (3,801.87mm)	0.97" (24.64mm)	66th Driest	Driest since: 1970	1956
Jan 1967–Dec 1971 60-Month	150.65" (3,826.51mm)	149.68" (3,801.87mm)	0.97" (24.64mm)	59th Wettest	Wettest since: 1961	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings