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 1951

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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 1951 1-Month	3.44" (87.38mm)	2.93" (74.42mm)	0.51" (12.96mm)	114th Driest	Driest since: 1950	1933
June 1951 1-Month	3.44" (87.38mm)	2.93" (74.42mm)	0.51" (12.96mm)	15th Wettest	Wettest since: 1947	1928
May–Jun 1951 2-Month	5.81" (147.57mm)	5.84" (148.34mm)	-0.03" (-0.77mm)	57th Driest	Driest since: 1950	1988
	5.81" (147.57mm)	5.84" (148.34mm)	-0.03" (-0.77mm)	72nd Wettest	Wettest since: 1949	2015
	Ties: 1922
Apr–Jun 1951 3-Month	8.16" (207.26mm)	8.35" (212.09mm)	-0.19" (-4.83mm)	52nd Driest	Driest since: 1950	1988
	8.16" (207.26mm)	8.35" (212.09mm)	-0.19" (-4.83mm)	77th Wettest	Wettest since: 1949	1957
	Ties: 1970
Mar–Jun 1951 4-Month	10.76" (273.30mm)	10.86" (275.84mm)	-0.10" (-2.54mm)	56th Driest	Driest since: 1950	1988
	10.76" (273.30mm)	10.86" (275.84mm)	-0.10" (-2.54mm)	73rd Wettest	Wettest since: 1948	1957
	Ties: 1909, 1921
Feb–Jun 1951 5-Month	13.03" (330.96mm)	13.00" (330.20mm)	0.03" (0.76mm)	65th Driest	Driest since: 1950	1988
Feb–Jun 1951 5-Month	13.03" (330.96mm)	13.00" (330.20mm)	0.03" (0.76mm)	64th Wettest	Wettest since: 1949	2019
Jan–Jun 1951 6-Month	15.37" (390.40mm)	15.31" (388.87mm)	0.06" (1.53mm)	62nd Driest	Driest since: 1943	1988
Jan–Jun 1951 6-Month	15.37" (390.40mm)	15.31" (388.87mm)	0.06" (1.53mm)	67th Wettest	Wettest since: 1950	2019
Dec 1950–Jun 1951 7-Month	17.30" (439.42mm)	17.66" (448.56mm)	-0.36" (-9.14mm)	46th Driest	Driest since: 1940	1931
	17.30" (439.42mm)	17.66" (448.56mm)	-0.36" (-9.14mm)	82nd Wettest	Wettest since: 1950	2019
	Ties: 1940
Nov 1950–Jun 1951 8-Month	19.40" (492.76mm)	19.89" (505.21mm)	-0.49" (-12.45mm)	48th Driest	Driest since: 1950	1934
Nov 1950–Jun 1951 8-Month	19.40" (492.76mm)	19.89" (505.21mm)	-0.49" (-12.45mm)	80th Wettest	Wettest since: 1949	2019
Oct 1950–Jun 1951 9-Month	21.30" (541.02mm)	22.05" (560.07mm)	-0.75" (-19.05mm)	40th Driest	Driest since: 1940	1934
Oct 1950–Jun 1951 9-Month	21.30" (541.02mm)	22.05" (560.07mm)	-0.75" (-19.05mm)	88th Wettest	Wettest since: 1950	2019
Sep 1950–Jun 1951 10-Month	23.99" (609.35mm)	24.55" (623.57mm)	-0.56" (-14.22mm)	47th Driest	Driest since: 1944	1934
Sep 1950–Jun 1951 10-Month	23.99" (609.35mm)	24.55" (623.57mm)	-0.56" (-14.22mm)	81st Wettest	Wettest since: 1950	2019
Aug 1950–Jun 1951 11-Month	26.54" (674.12mm)	27.17" (690.12mm)	-0.63" (-16.00mm)	49th Driest	Driest since: 1944	1918
Aug 1950–Jun 1951 11-Month	26.54" (674.12mm)	27.17" (690.12mm)	-0.63" (-16.00mm)	79th Wettest	Wettest since: 1950	2019
Jul 1950–Jun 1951 12-Month	30.40" (772.16mm)	29.96" (760.98mm)	0.44" (11.18mm)	66th Driest	Driest since: 1950	1931
Jul 1950–Jun 1951 12-Month	30.40" (772.16mm)	29.96" (760.98mm)	0.44" (11.18mm)	62nd Wettest	Wettest since: 1949	2019
Jan 1950–Jun 1951 18-Month	46.24" (1,174.50mm)	45.27" (1,149.86mm)	0.97" (24.64mm)	81st Driest	Driest since: 1950	1931
	46.24" (1,174.50mm)	45.27" (1,149.86mm)	0.97" (24.64mm)	47th Wettest	Wettest since: 1949	2019
	Ties: 2009
Jul 1949–Jun 1951 24-Month	60.24" (1,530.10mm)	59.93" (1,522.22mm)	0.31" (7.88mm)	64th Driest	Driest since: 1945	1931
Jul 1949–Jun 1951 24-Month	60.24" (1,530.10mm)	59.93" (1,522.22mm)	0.31" (7.88mm)	63rd Wettest	Wettest since: 1950	2020
Jul 1948–Jun 1951 36-Month	91.17" (2,315.72mm)	89.89" (2,283.21mm)	1.28" (32.51mm)	78th Driest	Driest since: 1950	1956
Jul 1948–Jun 1951 36-Month	91.17" (2,315.72mm)	89.89" (2,283.21mm)	1.28" (32.51mm)	48th Wettest	Wettest since: 1949	2019
Jul 1947–Jun 1951 48-Month	120.82" (3,068.83mm)	119.79" (3,042.67mm)	1.03" (26.16mm)	66th Driest	Driest since: 1942	1956
Jul 1947–Jun 1951 48-Month	120.82" (3,068.83mm)	119.79" (3,042.67mm)	1.03" (26.16mm)	59th Wettest	Wettest since: 1950	2019
Jul 1946–Jun 1951 60-Month	152.11" (3,863.59mm)	149.66" (3,801.36mm)	2.45" (62.23mm)	75th Driest	Driest since: 1948	1934
Jul 1946–Jun 1951 60-Month	152.11" (3,863.59mm)	149.66" (3,801.36mm)	2.45" (62.23mm)	49th Wettest	Wettest since: 1950	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings