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 1991

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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 1991 1-Month	3.33" (84.58mm)	2.51" (63.75mm)	0.82" (20.83mm)	122nd Driest	Driest since: 1990	1910
March 1991 1-Month	3.33" (84.58mm)	2.51" (63.75mm)	0.82" (20.83mm)	8th Wettest	Wettest since: 1983	1973
Feb–Mar 1991 2-Month	4.97" (126.24mm)	4.64" (117.86mm)	0.33" (8.38mm)	94th Driest	Driest since: 1989	1910
Feb–Mar 1991 2-Month	4.97" (126.24mm)	4.64" (117.86mm)	0.33" (8.38mm)	36th Wettest	Wettest since: 1990	1998
Jan–Mar 1991 3-Month	7.34" (186.44mm)	6.96" (176.78mm)	0.38" (9.66mm)	91st Driest	Driest since: 1989	1910
	7.34" (186.44mm)	6.96" (176.78mm)	0.38" (9.66mm)	39th Wettest	Wettest since: 1990	1998
	Ties: 1904
Dec 1990–Mar 1991 4-Month	10.03" (254.76mm)	9.30" (236.22mm)	0.73" (18.54mm)	103rd Driest	Driest since: 1990	1981
Dec 1990–Mar 1991 4-Month	10.03" (254.76mm)	9.30" (236.22mm)	0.73" (18.54mm)	26th Wettest	Wettest since: 1983	1983, 1998
Nov 1990–Mar 1991 5-Month	12.12" (307.85mm)	11.53" (292.86mm)	0.59" (14.99mm)	90th Driest	Driest since: 1990	1977
Nov 1990–Mar 1991 5-Month	12.12" (307.85mm)	11.53" (292.86mm)	0.59" (14.99mm)	39th Wettest	Wettest since: 1984	1983
Oct 1990–Mar 1991 6-Month	14.88" (377.95mm)	13.70" (347.98mm)	1.18" (29.97mm)	98th Driest	Driest since: 1990	1918
Oct 1990–Mar 1991 6-Month	14.88" (377.95mm)	13.70" (347.98mm)	1.18" (29.97mm)	31st Wettest	Wettest since: 1987	1983
Sep 1990–Mar 1991 7-Month	16.92" (429.77mm)	16.19" (411.23mm)	0.73" (18.54mm)	86th Driest	Driest since: 1990	1918
Sep 1990–Mar 1991 7-Month	16.92" (429.77mm)	16.19" (411.23mm)	0.73" (18.54mm)	43rd Wettest	Wettest since: 1987	2019
Aug 1990–Mar 1991 8-Month	19.57" (497.08mm)	18.82" (478.03mm)	0.75" (19.05mm)	86th Driest	Driest since: 1990	1918
	19.57" (497.08mm)	18.82" (478.03mm)	0.75" (19.05mm)	43rd Wettest	Wettest since: 1987	2019
	Ties: 1938
Jul 1990–Mar 1991 9-Month	22.51" (571.75mm)	21.60" (548.64mm)	0.91" (23.11mm)	88th Driest	Driest since: 1990	1918
Jul 1990–Mar 1991 9-Month	22.51" (571.75mm)	21.60" (548.64mm)	0.91" (23.11mm)	41st Wettest	Wettest since: 1987	2019
Jun 1990–Mar 1991 10-Month	25.01" (635.25mm)	24.53" (623.06mm)	0.48" (12.19mm)	77th Driest	Driest since: 1989	1918
	25.01" (635.25mm)	24.53" (623.06mm)	0.48" (12.19mm)	52nd Wettest	Wettest since: 1990	2019
	Ties: 1921
May 1990–Mar 1991 11-Month	28.84" (732.54mm)	27.43" (696.72mm)	1.41" (35.82mm)	97th Driest	Driest since: 1990	1918
May 1990–Mar 1991 11-Month	28.84" (732.54mm)	27.43" (696.72mm)	1.41" (35.82mm)	32nd Wettest	Wettest since: 1987	2019
Apr 1990–Mar 1991 12-Month	31.33" (795.78mm)	29.96" (760.98mm)	1.37" (34.80mm)	94th Driest	Driest since: 1990	1918
Apr 1990–Mar 1991 12-Month	31.33" (795.78mm)	29.96" (760.98mm)	1.37" (34.80mm)	35th Wettest	Wettest since: 1987	2016
Oct 1989–Mar 1991 18-Month	44.47" (1,129.54mm)	43.68" (1,109.47mm)	0.79" (20.07mm)	72nd Driest	Driest since: 1990	1918
	44.47" (1,129.54mm)	43.68" (1,109.47mm)	0.79" (20.07mm)	56th Wettest	Wettest since: 1987	2020
	Ties: 1897, 1929
Apr 1989–Mar 1991 24-Month	61.59" (1,564.39mm)	59.92" (1,521.97mm)	1.67" (42.42mm)	84th Driest	Driest since: 1990	1955
Apr 1989–Mar 1991 24-Month	61.59" (1,564.39mm)	59.92" (1,521.97mm)	1.67" (42.42mm)	44th Wettest	Wettest since: 1987	2020
Apr 1988–Mar 1991 36-Month	88.93" (2,258.82mm)	89.87" (2,282.70mm)	-0.94" (-23.88mm)	53rd Driest	Driest since: 1990	1955
Apr 1988–Mar 1991 36-Month	88.93" (2,258.82mm)	89.87" (2,282.70mm)	-0.94" (-23.88mm)	74th Wettest	Wettest since: 1988	2020
Apr 1987–Mar 1991 48-Month	116.30" (2,954.02mm)	119.76" (3,041.90mm)	-3.46" (-87.88mm)	33rd Driest	Driest since: 1968	1957
Apr 1987–Mar 1991 48-Month	116.30" (2,954.02mm)	119.76" (3,041.90mm)	-3.46" (-87.88mm)	93rd Wettest	Wettest since: 1990	2019
Apr 1986–Mar 1991 60-Month	148.60" (3,774.44mm)	149.62" (3,800.35mm)	-1.02" (-25.91mm)	55th Driest	Driest since: 1990	1957
Apr 1986–Mar 1991 60-Month	148.60" (3,774.44mm)	149.62" (3,800.35mm)	-1.02" (-25.91mm)	70th Wettest	Wettest since: 1988	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings