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, October 1981

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1981 1-Month	3.10" (78.74mm)	2.16" (54.86mm)	0.94" (23.88mm)	119th Driest	Driest since: 1980	1952
October 1981 1-Month	3.10" (78.74mm)	2.16" (54.86mm)	0.94" (23.88mm)	10th Wettest	Wettest since: 1959	2009
Sep–Oct 1981 2-Month	5.18" (131.57mm)	4.65" (118.11mm)	0.53" (13.46mm)	96th Driest	Driest since: 1980	1952
Sep–Oct 1981 2-Month	5.18" (131.57mm)	4.65" (118.11mm)	0.53" (13.46mm)	33rd Wettest	Wettest since: 1977	2018
Aug–Oct 1981 3-Month	7.94" (201.68mm)	7.27" (184.66mm)	0.67" (17.02mm)	97th Driest	Driest since: 1980	1952
	7.94" (201.68mm)	7.27" (184.66mm)	0.67" (17.02mm)	32nd Wettest	Wettest since: 1977	2018
	Ties: 1946
Jul–Oct 1981 4-Month	11.03" (280.16mm)	10.05" (255.27mm)	0.98" (24.89mm)	105th Driest	Driest since: 1980	1952
Jul–Oct 1981 4-Month	11.03" (280.16mm)	10.05" (255.27mm)	0.98" (24.89mm)	24th Wettest	Wettest since: 1977	1941
Jun–Oct 1981 5-Month	14.44" (366.78mm)	12.97" (329.44mm)	1.47" (37.34mm)	111th Driest	Driest since: 1980	1952
Jun–Oct 1981 5-Month	14.44" (366.78mm)	12.97" (329.44mm)	1.47" (37.34mm)	18th Wettest	Wettest since: 1959	1941
May–Oct 1981 6-Month	17.99" (456.95mm)	15.88" (403.35mm)	2.11" (53.60mm)	120th Driest	Driest since: 1980	1952
May–Oct 1981 6-Month	17.99" (456.95mm)	15.88" (403.35mm)	2.11" (53.60mm)	9th Wettest	Wettest since: 1941	1941
Apr–Oct 1981 7-Month	20.18" (512.57mm)	18.40" (467.36mm)	1.78" (45.21mm)	110th Driest	Driest since: 1980	1952
Apr–Oct 1981 7-Month	20.18" (512.57mm)	18.40" (467.36mm)	1.78" (45.21mm)	19th Wettest	Wettest since: 1973	1941
Mar–Oct 1981 8-Month	22.39" (568.71mm)	20.91" (531.11mm)	1.48" (37.60mm)	96th Driest	Driest since: 1980	1956
Mar–Oct 1981 8-Month	22.39" (568.71mm)	20.91" (531.11mm)	1.48" (37.60mm)	33rd Wettest	Wettest since: 1979	2019
Feb–Oct 1981 9-Month	24.56" (623.82mm)	23.04" (585.22mm)	1.52" (38.60mm)	96th Driest	Driest since: 1980	1934
Feb–Oct 1981 9-Month	24.56" (623.82mm)	23.04" (585.22mm)	1.52" (38.60mm)	33rd Wettest	Wettest since: 1979	2019
Jan–Oct 1981 10-Month	25.54" (648.72mm)	25.36" (644.14mm)	0.18" (4.58mm)	62nd Driest	Driest since: 1980	1934
Jan–Oct 1981 10-Month	25.54" (648.72mm)	25.36" (644.14mm)	0.18" (4.58mm)	67th Wettest	Wettest since: 1979	2019
Dec 1980–Oct 1981 11-Month	27.11" (688.59mm)	27.70" (703.58mm)	-0.59" (-14.99mm)	43rd Driest	Driest since: 1980	1931
	27.11" (688.59mm)	27.70" (703.58mm)	-0.59" (-14.99mm)	85th Wettest	Wettest since: 1979	2019
	Ties: 1914
Nov 1980–Oct 1981 12-Month	28.87" (733.30mm)	29.93" (760.22mm)	-1.06" (-26.92mm)	37th Driest	Driest since: 1977	1934
Nov 1980–Oct 1981 12-Month	28.87" (733.30mm)	29.93" (760.22mm)	-1.06" (-26.92mm)	91st Wettest	Wettest since: 1980	2019
May 1980–Oct 1981 18-Month	43.47" (1,104.14mm)	45.83" (1,164.08mm)	-2.36" (-59.94mm)	23rd Driest	Driest since: 1977	1931
	43.47" (1,104.14mm)	45.83" (1,164.08mm)	-2.36" (-59.94mm)	105th Wettest	Wettest since: 1980	2019
	Ties: 2001, 2012
Nov 1979–Oct 1981 24-Month	58.01" (1,473.45mm)	59.90" (1,521.46mm)	-1.89" (-48.01mm)	34th Driest	Driest since: 1978	1931
Nov 1979–Oct 1981 24-Month	58.01" (1,473.45mm)	59.90" (1,521.46mm)	-1.89" (-48.01mm)	93rd Wettest	Wettest since: 1980	2019
Nov 1978–Oct 1981 36-Month	91.69" (2,328.93mm)	89.86" (2,282.44mm)	1.83" (46.49mm)	79th Driest	Driest since: 1979	1956
Nov 1978–Oct 1981 36-Month	91.69" (2,328.93mm)	89.86" (2,282.44mm)	1.83" (46.49mm)	47th Wettest	Wettest since: 1980	2019
Nov 1977–Oct 1981 48-Month	122.28" (3,105.91mm)	119.78" (3,042.41mm)	2.50" (63.50mm)	81st Driest	Driest since: 1980	1956
Nov 1977–Oct 1981 48-Month	122.28" (3,105.91mm)	119.78" (3,042.41mm)	2.50" (63.50mm)	44th Wettest	Wettest since: 1976	2019
Nov 1976–Oct 1981 60-Month	149.61" (3,800.09mm)	149.66" (3,801.36mm)	-0.05" (-1.27mm)	59th Driest	Driest since: 1980	1934
Nov 1976–Oct 1981 60-Month	149.61" (3,800.09mm)	149.66" (3,801.36mm)	-0.05" (-1.27mm)	65th Wettest	Wettest since: 1979	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings