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 1949

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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 1949 1-Month	3.20" (81.28mm)	2.93" (74.42mm)	0.27" (6.86mm)	92nd Driest	Driest since: 1946	1933
	3.20" (81.28mm)	2.93" (74.42mm)	0.27" (6.86mm)	37th Wettest	Wettest since: 1948	1928
	Ties: 1958
May–Jun 1949 2-Month	6.18" (156.97mm)	5.84" (148.34mm)	0.34" (8.63mm)	87th Driest	Driest since: 1948	1988
	6.18" (156.97mm)	5.84" (148.34mm)	0.34" (8.63mm)	42nd Wettest	Wettest since: 1947	2015
	Ties: 1997
Apr–Jun 1949 3-Month	8.27" (210.06mm)	8.35" (212.09mm)	-0.08" (-2.03mm)	60th Driest	Driest since: 1940	1988
Apr–Jun 1949 3-Month	8.27" (210.06mm)	8.35" (212.09mm)	-0.08" (-2.03mm)	69th Wettest	Wettest since: 1948	1957
Mar–Jun 1949 4-Month	10.74" (272.80mm)	10.86" (275.84mm)	-0.12" (-3.04mm)	54th Driest	Driest since: 1940	1988
	10.74" (272.80mm)	10.86" (275.84mm)	-0.12" (-3.04mm)	75th Wettest	Wettest since: 1948	1957
	Ties: 1898
Feb–Jun 1949 5-Month	13.14" (333.76mm)	13.00" (330.20mm)	0.14" (3.56mm)	67th Driest	Driest since: 1946	1988
Feb–Jun 1949 5-Month	13.14" (333.76mm)	13.00" (330.20mm)	0.14" (3.56mm)	62nd Wettest	Wettest since: 1948	2019
Jan–Jun 1949 6-Month	16.30" (414.02mm)	15.31" (388.87mm)	0.99" (25.15mm)	102nd Driest	Driest since: 1948	1988
Jan–Jun 1949 6-Month	16.30" (414.02mm)	15.31" (388.87mm)	0.99" (25.15mm)	27th Wettest	Wettest since: 1945	2019
Dec 1948–Jun 1949 7-Month	18.89" (479.81mm)	17.66" (448.56mm)	1.23" (31.25mm)	100th Driest	Driest since: 1948	1931
Dec 1948–Jun 1949 7-Month	18.89" (479.81mm)	17.66" (448.56mm)	1.23" (31.25mm)	28th Wettest	Wettest since: 1945	2019
Nov 1948–Jun 1949 8-Month	22.28" (565.91mm)	19.89" (505.21mm)	2.39" (60.70mm)	115th Driest	Driest since: 1948	1934
Nov 1948–Jun 1949 8-Month	22.28" (565.91mm)	19.89" (505.21mm)	2.39" (60.70mm)	13th Wettest	Wettest to Date	2019
Oct 1948–Jun 1949 9-Month	23.82" (605.03mm)	22.05" (560.07mm)	1.77" (44.96mm)	105th Driest	Driest since: 1948	1934
Oct 1948–Jun 1949 9-Month	23.82" (605.03mm)	22.05" (560.07mm)	1.77" (44.96mm)	23rd Wettest	Wettest since: 1938	2019
Sep 1948–Jun 1949 10-Month	25.63" (651.00mm)	24.55" (623.57mm)	1.08" (27.43mm)	88th Driest	Driest since: 1948	1934
Sep 1948–Jun 1949 10-Month	25.63" (651.00mm)	24.55" (623.57mm)	1.08" (27.43mm)	40th Wettest	Wettest since: 1947	2019
Aug 1948–Jun 1949 11-Month	27.87" (707.90mm)	27.17" (690.12mm)	0.70" (17.78mm)	77th Driest	Driest since: 1948	1918
Aug 1948–Jun 1949 11-Month	27.87" (707.90mm)	27.17" (690.12mm)	0.70" (17.78mm)	51st Wettest	Wettest since: 1947	2019
Jul 1948–Jun 1949 12-Month	30.93" (785.62mm)	29.96" (760.98mm)	0.97" (24.64mm)	82nd Driest	Driest since: 1948	1931
Jul 1948–Jun 1949 12-Month	30.93" (785.62mm)	29.96" (760.98mm)	0.97" (24.64mm)	46th Wettest	Wettest since: 1947	2019
Jan 1948–Jun 1949 18-Month	46.99" (1,193.55mm)	45.27" (1,149.86mm)	1.72" (43.69mm)	89th Driest	Driest since: 1948	1931
Jan 1948–Jun 1949 18-Month	46.99" (1,193.55mm)	45.27" (1,149.86mm)	1.72" (43.69mm)	39th Wettest	Wettest since: 1946	2019
Jul 1947–Jun 1949 24-Month	60.58" (1,538.73mm)	59.93" (1,522.22mm)	0.65" (16.51mm)	69th Driest	Driest since: 1945	1931
Jul 1947–Jun 1949 24-Month	60.58" (1,538.73mm)	59.93" (1,522.22mm)	0.65" (16.51mm)	58th Wettest	Wettest since: 1948	2020
Jul 1946–Jun 1949 36-Month	91.87" (2,333.50mm)	89.89" (2,283.21mm)	1.98" (50.29mm)	81st Driest	Driest since: 1946	1956
Jul 1946–Jun 1949 36-Month	91.87" (2,333.50mm)	89.89" (2,283.21mm)	1.98" (50.29mm)	45th Wettest	Wettest since: 1948	2019
Jul 1945–Jun 1949 48-Month	123.46" (3,135.88mm)	119.79" (3,042.67mm)	3.67" (93.21mm)	95th Driest	Driest since: 1948	1956
Jul 1945–Jun 1949 48-Month	123.46" (3,135.88mm)	119.79" (3,042.67mm)	3.67" (93.21mm)	30th Wettest	Wettest since: 1922	2019
Jul 1944–Jun 1949 60-Month	154.20" (3,916.68mm)	149.66" (3,801.36mm)	4.54" (115.32mm)	93rd Driest	Driest since: 1948	1934
Jul 1944–Jun 1949 60-Month	154.20" (3,916.68mm)	149.66" (3,801.36mm)	4.54" (115.32mm)	31st Wettest	Wettest since: 1946	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings