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, March 1990

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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
March 1990 1-Month	2.71" (68.83mm)	2.51" (63.75mm)	0.20" (5.08mm)	91st Driest	Driest since: 1988	1910
	2.71" (68.83mm)	2.51" (63.75mm)	0.20" (5.08mm)	39th Wettest	Wettest since: 1989	1973
	Ties: 1919
Feb–Mar 1990 2-Month	5.39" (136.91mm)	4.64" (117.86mm)	0.75" (19.05mm)	113th Driest	Driest since: 1989	1910
Feb–Mar 1990 2-Month	5.39" (136.91mm)	4.64" (117.86mm)	0.75" (19.05mm)	17th Wettest	Wettest since: 1983	1998
Jan–Mar 1990 3-Month	8.18" (207.77mm)	6.96" (176.78mm)	1.22" (30.99mm)	121st Driest	Driest since: 1989	1910
Jan–Mar 1990 3-Month	8.18" (207.77mm)	6.96" (176.78mm)	1.22" (30.99mm)	9th Wettest	Wettest since: 1983	1998
Dec 1989–Mar 1990 4-Month	9.52" (241.81mm)	9.30" (236.22mm)	0.22" (5.59mm)	79th Driest	Driest since: 1989	1981
Dec 1989–Mar 1990 4-Month	9.52" (241.81mm)	9.30" (236.22mm)	0.22" (5.59mm)	50th Wettest	Wettest since: 1984	1983, 1998
Nov 1989–Mar 1990 5-Month	11.25" (285.75mm)	11.53" (292.86mm)	-0.28" (-7.11mm)	58th Driest	Driest since: 1988	1977
	11.25" (285.75mm)	11.53" (292.86mm)	-0.28" (-7.11mm)	71st Wettest	Wettest since: 1989	1983
	Ties: 1986
Oct 1989–Mar 1990 6-Month	13.14" (333.76mm)	13.70" (347.98mm)	-0.56" (-14.22mm)	42nd Driest	Driest since: 1988	1918
	13.14" (333.76mm)	13.70" (347.98mm)	-0.56" (-14.22mm)	87th Wettest	Wettest since: 1989	1983
	Ties: 1951
Sep 1989–Mar 1990 7-Month	15.82" (401.83mm)	16.19" (411.23mm)	-0.37" (-9.40mm)	51st Driest	Driest since: 1988	1918
	15.82" (401.83mm)	16.19" (411.23mm)	-0.37" (-9.40mm)	78th Wettest	Wettest since: 1989	2019
	Ties: 1930
Aug 1989–Mar 1990 8-Month	18.55" (471.17mm)	18.82" (478.03mm)	-0.27" (-6.86mm)	53rd Driest	Driest since: 1988	1918
	18.55" (471.17mm)	18.82" (478.03mm)	-0.27" (-6.86mm)	76th Wettest	Wettest since: 1989	2019
	Ties: 2009
Jul 1989–Mar 1990 9-Month	21.41" (543.81mm)	21.60" (548.64mm)	-0.19" (-4.83mm)	57th Driest	Driest since: 1989	1918
	21.41" (543.81mm)	21.60" (548.64mm)	-0.19" (-4.83mm)	72nd Wettest	Wettest since: 1987	2019
	Ties: 1945
Jun 1989–Mar 1990 10-Month	25.21" (640.33mm)	24.53" (623.06mm)	0.68" (17.27mm)	81st Driest	Driest since: 1989	1918
Jun 1989–Mar 1990 10-Month	25.21" (640.33mm)	24.53" (623.06mm)	0.68" (17.27mm)	48th Wettest	Wettest since: 1987	2019
May 1989–Mar 1990 11-Month	28.47" (723.14mm)	27.43" (696.72mm)	1.04" (26.42mm)	87th Driest	Driest since: 1989	1918
May 1989–Mar 1990 11-Month	28.47" (723.14mm)	27.43" (696.72mm)	1.04" (26.42mm)	42nd Wettest	Wettest since: 1987	2019
Apr 1989–Mar 1990 12-Month	30.26" (768.60mm)	29.96" (760.98mm)	0.30" (7.62mm)	63rd Driest	Driest since: 1989	1918
Apr 1989–Mar 1990 12-Month	30.26" (768.60mm)	29.96" (760.98mm)	0.30" (7.62mm)	66th Wettest	Wettest since: 1987	2016
Oct 1988–Mar 1990 18-Month	43.52" (1,105.41mm)	43.68" (1,109.47mm)	-0.16" (-4.06mm)	55th Driest	Driest since: 1989	1918
Oct 1988–Mar 1990 18-Month	43.52" (1,105.41mm)	43.68" (1,109.47mm)	-0.16" (-4.06mm)	73rd Wettest	Wettest since: 1987	2020
Apr 1988–Mar 1990 24-Month	57.60" (1,463.04mm)	59.92" (1,521.97mm)	-2.32" (-58.93mm)	28th Driest	Driest since: 1989	1955
Apr 1988–Mar 1990 24-Month	57.60" (1,463.04mm)	59.92" (1,521.97mm)	-2.32" (-58.93mm)	100th Wettest	Wettest since: 1988	2020
Apr 1987–Mar 1990 36-Month	84.97" (2,158.24mm)	89.87" (2,282.70mm)	-4.90" (-124.46mm)	15th Driest	Driest since: 1965	1955
Apr 1987–Mar 1990 36-Month	84.97" (2,158.24mm)	89.87" (2,282.70mm)	-4.90" (-124.46mm)	112th Wettest	Wettest since: 1989	2020
Apr 1986–Mar 1990 48-Month	117.27" (2,978.66mm)	119.76" (3,041.90mm)	-2.49" (-63.24mm)	41st Driest	Driest since: 1989	1957
Apr 1986–Mar 1990 48-Month	117.27" (2,978.66mm)	119.76" (3,041.90mm)	-2.49" (-63.24mm)	85th Wettest	Wettest since: 1988	2019
Apr 1985–Mar 1990 60-Month	147.49" (3,746.25mm)	149.62" (3,800.35mm)	-2.13" (-54.10mm)	43rd Driest	Driest since: 1981	1957
Apr 1985–Mar 1990 60-Month	147.49" (3,746.25mm)	149.62" (3,800.35mm)	-2.13" (-54.10mm)	82nd Wettest	Wettest since: 1989	2020

Citing This Page

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