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, April 1982

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 1982 1-Month	2.52" (64.01mm)	2.52" (64.01mm)	0.00" (0.00mm)	63rd Driest	Driest since: 1981	1987
	2.52" (64.01mm)	2.52" (64.01mm)	0.00" (0.00mm)	66th Wettest	Wettest since: 1979	1957
	Ties: 1965, 2020
Mar–Apr 1982 2-Month	5.03" (127.76mm)	5.03" (127.76mm)	0.00" (0.00mm)	70th Driest	Driest since: 1981	1910
Mar–Apr 1982 2-Month	5.03" (127.76mm)	5.03" (127.76mm)	0.00" (0.00mm)	59th Wettest	Wettest since: 1980	1973
Feb–Apr 1982 3-Month	7.26" (184.40mm)	7.16" (181.86mm)	0.10" (2.54mm)	80th Driest	Driest since: 1981	1910
Feb–Apr 1982 3-Month	7.26" (184.40mm)	7.16" (181.86mm)	0.10" (2.54mm)	49th Wettest	Wettest since: 1980	1983
Jan–Apr 1982 4-Month	10.10" (256.54mm)	9.48" (240.79mm)	0.62" (15.75mm)	94th Driest	Driest since: 1981	1910
Jan–Apr 1982 4-Month	10.10" (256.54mm)	9.48" (240.79mm)	0.62" (15.75mm)	35th Wettest	Wettest since: 1980	1998
Dec 1981–Apr 1982 5-Month	12.51" (317.75mm)	11.82" (300.23mm)	0.69" (17.52mm)	96th Driest	Driest since: 1981	1931
	12.51" (317.75mm)	11.82" (300.23mm)	0.69" (17.52mm)	32nd Wettest	Wettest since: 1979	1983
	Ties: 1965
Nov 1981–Apr 1982 6-Month	14.52" (368.81mm)	14.05" (356.87mm)	0.47" (11.94mm)	88th Driest	Driest since: 1981	1977
Nov 1981–Apr 1982 6-Month	14.52" (368.81mm)	14.05" (356.87mm)	0.47" (11.94mm)	40th Wettest	Wettest since: 1980	1983
Oct 1981–Apr 1982 7-Month	17.62" (447.55mm)	16.22" (411.99mm)	1.40" (35.56mm)	100th Driest	Driest since: 1981	1981
	17.62" (447.55mm)	16.22" (411.99mm)	1.40" (35.56mm)	28th Wettest	Wettest since: 1979	1983
	Ties: 1952
Sep 1981–Apr 1982 8-Month	19.70" (500.38mm)	18.71" (475.23mm)	0.99" (25.15mm)	95th Driest	Driest since: 1981	1918
	19.70" (500.38mm)	18.71" (475.23mm)	0.99" (25.15mm)	33rd Wettest	Wettest since: 1979	2019
	Ties: 1907, 1937
Aug 1981–Apr 1982 9-Month	22.46" (570.48mm)	21.33" (541.78mm)	1.13" (28.70mm)	93rd Driest	Driest since: 1981	1918
Aug 1981–Apr 1982 9-Month	22.46" (570.48mm)	21.33" (541.78mm)	1.13" (28.70mm)	35th Wettest	Wettest since: 1979	2019
Jul 1981–Apr 1982 10-Month	25.55" (648.97mm)	24.12" (612.65mm)	1.43" (36.32mm)	98th Driest	Driest since: 1981	1931
Jul 1981–Apr 1982 10-Month	25.55" (648.97mm)	24.12" (612.65mm)	1.43" (36.32mm)	30th Wettest	Wettest since: 1979	2019
Jun 1981–Apr 1982 11-Month	28.96" (735.58mm)	27.04" (686.82mm)	1.92" (48.76mm)	105th Driest	Driest since: 1981	1931
Jun 1981–Apr 1982 11-Month	28.96" (735.58mm)	27.04" (686.82mm)	1.92" (48.76mm)	23rd Wettest	Wettest since: 1978	2019
May 1981–Apr 1982 12-Month	32.51" (825.75mm)	29.95" (760.73mm)	2.56" (65.02mm)	111th Driest	Driest since: 1981	1918
May 1981–Apr 1982 12-Month	32.51" (825.75mm)	29.95" (760.73mm)	2.56" (65.02mm)	17th Wettest	Wettest since: 1974	2019
Nov 1980–Apr 1982 18-Month	43.39" (1,102.11mm)	44.02" (1,118.11mm)	-0.63" (-16.00mm)	48th Driest	Driest since: 1981	1931
Nov 1980–Apr 1982 18-Month	43.39" (1,102.11mm)	44.02" (1,118.11mm)	-0.63" (-16.00mm)	79th Wettest	Wettest since: 1980	2020
May 1980–Apr 1982 24-Month	57.99" (1,472.95mm)	59.92" (1,521.97mm)	-1.93" (-49.02mm)	33rd Driest	Driest since: 1981	1955
	57.99" (1,472.95mm)	59.92" (1,521.97mm)	-1.93" (-49.02mm)	94th Wettest	Wettest since: 1980	2020
	Ties: 1978
May 1979–Apr 1982 36-Month	89.30" (2,268.22mm)	89.88" (2,282.95mm)	-0.58" (-14.73mm)	57th Driest	Driest since: 1981	1955
May 1979–Apr 1982 36-Month	89.30" (2,268.22mm)	89.88" (2,282.95mm)	-0.58" (-14.73mm)	69th Wettest	Wettest since: 1980	2020
May 1978–Apr 1982 48-Month	121.47" (3,085.34mm)	119.77" (3,042.16mm)	1.70" (43.18mm)	74th Driest	Driest since: 1981	1956
	121.47" (3,085.34mm)	119.77" (3,042.16mm)	1.70" (43.18mm)	51st Wettest	Wettest since: 1980	2019
	Ties: 1980
May 1977–Apr 1982 60-Month	153.48" (3,898.39mm)	149.63" (3,800.60mm)	3.85" (97.79mm)	87th Driest	Driest since: 1981	1957
May 1977–Apr 1982 60-Month	153.48" (3,898.39mm)	149.63" (3,800.60mm)	3.85" (97.79mm)	37th Wettest	Wettest since: 1977	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings