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, June 1991

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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
June 1991 1-Month	2.84" (72.14mm)	2.93" (74.42mm)	-0.09" (-2.28mm)	47th Driest	Driest since: 1990	1933
June 1991 1-Month	2.84" (72.14mm)	2.93" (74.42mm)	-0.09" (-2.28mm)	82nd Wettest	Wettest since: 1989	1928
May–Jun 1991 2-Month	6.56" (166.62mm)	5.84" (148.34mm)	0.72" (18.28mm)	106th Driest	Driest since: 1990	1988
May–Jun 1991 2-Month	6.56" (166.62mm)	5.84" (148.34mm)	0.72" (18.28mm)	23rd Wettest	Wettest since: 1989	2015
Apr–Jun 1991 3-Month	9.91" (251.71mm)	8.35" (212.09mm)	1.56" (39.62mm)	122nd Driest	Driest since: 1990	1988
Apr–Jun 1991 3-Month	9.91" (251.71mm)	8.35" (212.09mm)	1.56" (39.62mm)	7th Wettest	Wettest since: 1957	1957
Mar–Jun 1991 4-Month	13.24" (336.30mm)	10.86" (275.84mm)	2.38" (60.46mm)	124th Driest	Driest since: 1990	1988
Mar–Jun 1991 4-Month	13.24" (336.30mm)	10.86" (275.84mm)	2.38" (60.46mm)	5th Wettest	Wettest since: 1983	1957
Feb–Jun 1991 5-Month	14.88" (377.95mm)	13.00" (330.20mm)	1.88" (47.75mm)	119th Driest	Driest since: 1990	1988
Feb–Jun 1991 5-Month	14.88" (377.95mm)	13.00" (330.20mm)	1.88" (47.75mm)	10th Wettest	Wettest since: 1983	2019
Jan–Jun 1991 6-Month	17.25" (438.15mm)	15.31" (388.87mm)	1.94" (49.28mm)	117th Driest	Driest since: 1990	1988
Jan–Jun 1991 6-Month	17.25" (438.15mm)	15.31" (388.87mm)	1.94" (49.28mm)	12th Wettest	Wettest since: 1983	2019
Dec 1990–Jun 1991 7-Month	19.94" (506.48mm)	17.66" (448.56mm)	2.28" (57.92mm)	116th Driest	Driest since: 1990	1931
Dec 1990–Jun 1991 7-Month	19.94" (506.48mm)	17.66" (448.56mm)	2.28" (57.92mm)	12th Wettest	Wettest since: 1983	2019
Nov 1990–Jun 1991 8-Month	22.03" (559.56mm)	19.89" (505.21mm)	2.14" (54.35mm)	113th Driest	Driest since: 1990	1934
Nov 1990–Jun 1991 8-Month	22.03" (559.56mm)	19.89" (505.21mm)	2.14" (54.35mm)	15th Wettest	Wettest since: 1984	2019
Oct 1990–Jun 1991 9-Month	24.79" (629.67mm)	22.05" (560.07mm)	2.74" (69.60mm)	116th Driest	Driest since: 1990	1934
Oct 1990–Jun 1991 9-Month	24.79" (629.67mm)	22.05" (560.07mm)	2.74" (69.60mm)	12th Wettest	Wettest since: 1984	2019
Sep 1990–Jun 1991 10-Month	26.83" (681.48mm)	24.55" (623.57mm)	2.28" (57.91mm)	109th Driest	Driest since: 1990	1934
Sep 1990–Jun 1991 10-Month	26.83" (681.48mm)	24.55" (623.57mm)	2.28" (57.91mm)	19th Wettest	Wettest since: 1984	2019
Aug 1990–Jun 1991 11-Month	29.48" (748.79mm)	27.17" (690.12mm)	2.31" (58.67mm)	108th Driest	Driest since: 1990	1918
Aug 1990–Jun 1991 11-Month	29.48" (748.79mm)	27.17" (690.12mm)	2.31" (58.67mm)	20th Wettest	Wettest since: 1984	2019
Jul 1990–Jun 1991 12-Month	32.42" (823.47mm)	29.96" (760.98mm)	2.46" (62.49mm)	110th Driest	Driest since: 1990	1931
Jul 1990–Jun 1991 12-Month	32.42" (823.47mm)	29.96" (760.98mm)	2.46" (62.49mm)	18th Wettest	Wettest since: 1983	2019
Jan 1990–Jun 1991 18-Month	49.42" (1,255.27mm)	45.27" (1,149.86mm)	4.15" (105.41mm)	115th Driest	Driest since: 1990	1931
Jan 1990–Jun 1991 18-Month	49.42" (1,255.27mm)	45.27" (1,149.86mm)	4.15" (105.41mm)	13th Wettest	Wettest since: 1984	2019
Jul 1989–Jun 1991 24-Month	62.65" (1,591.31mm)	59.93" (1,522.22mm)	2.72" (69.09mm)	95th Driest	Driest since: 1990	1931
Jul 1989–Jun 1991 24-Month	62.65" (1,591.31mm)	59.93" (1,522.22mm)	2.72" (69.09mm)	32nd Wettest	Wettest since: 1987	2020
Jul 1988–Jun 1991 36-Month	92.84" (2,358.14mm)	89.89" (2,283.21mm)	2.95" (74.93mm)	95th Driest	Driest since: 1990	1956
	92.84" (2,358.14mm)	89.89" (2,283.21mm)	2.95" (74.93mm)	31st Wettest	Wettest since: 1985	2019
	Ties: 1921
Jul 1987–Jun 1991 48-Month	118.70" (3,014.98mm)	119.79" (3,042.67mm)	-1.09" (-27.69mm)	51st Driest	Driest since: 1990	1956
Jul 1987–Jun 1991 48-Month	118.70" (3,014.98mm)	119.79" (3,042.67mm)	-1.09" (-27.69mm)	74th Wettest	Wettest since: 1989	2019
Jul 1986–Jun 1991 60-Month	150.29" (3,817.37mm)	149.66" (3,801.36mm)	0.63" (16.01mm)	63rd Driest	Driest since: 1990	1934
Jul 1986–Jun 1991 60-Month	150.29" (3,817.37mm)	149.66" (3,801.36mm)	0.63" (16.01mm)	61st Wettest	Wettest since: 1987	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings