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, July 1937

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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
July 1937 1-Month	2.62" (66.55mm)	2.78" (70.61mm)	-0.16" (-4.06mm)	36th Driest	Driest since: 1936	1930
July 1937 1-Month	2.62" (66.55mm)	2.78" (70.61mm)	-0.16" (-4.06mm)	93rd Wettest	Wettest since: 1935	1950, 1958
Jun–Jul 1937 2-Month	5.73" (145.54mm)	5.70" (144.78mm)	0.03" (0.76mm)	55th Driest	Driest since: 1936	1930
Jun–Jul 1937 2-Month	5.73" (145.54mm)	5.70" (144.78mm)	0.03" (0.76mm)	74th Wettest	Wettest since: 1935	1928
May–Jul 1937 3-Month	8.06" (204.72mm)	8.62" (218.95mm)	-0.56" (-14.23mm)	34th Driest	Driest since: 1936	1988
May–Jul 1937 3-Month	8.06" (204.72mm)	8.62" (218.95mm)	-0.56" (-14.23mm)	95th Wettest	Wettest since: 1935	2015
Apr–Jul 1937 4-Month	10.74" (272.80mm)	11.13" (282.70mm)	-0.39" (-9.90mm)	40th Driest	Driest since: 1936	1934
	10.74" (272.80mm)	11.13" (282.70mm)	-0.39" (-9.90mm)	89th Wettest	Wettest since: 1935	2015
	Ties: 1940
Mar–Jul 1937 5-Month	12.89" (327.41mm)	13.64" (346.46mm)	-0.75" (-19.05mm)	31st Driest	Driest since: 1936	1936
Mar–Jul 1937 5-Month	12.89" (327.41mm)	13.64" (346.46mm)	-0.75" (-19.05mm)	98th Wettest	Wettest since: 1935	1973
Feb–Jul 1937 6-Month	15.11" (383.79mm)	15.78" (400.81mm)	-0.67" (-17.02mm)	38th Driest	Driest since: 1936	1934
Feb–Jul 1937 6-Month	15.11" (383.79mm)	15.78" (400.81mm)	-0.67" (-17.02mm)	91st Wettest	Wettest since: 1935	2019
Jan–Jul 1937 7-Month	18.76" (476.50mm)	18.09" (459.49mm)	0.67" (17.01mm)	84th Driest	Driest since: 1936	1934
Jan–Jul 1937 7-Month	18.76" (476.50mm)	18.09" (459.49mm)	0.67" (17.01mm)	45th Wettest	Wettest since: 1935	2019
Dec 1936–Jul 1937 8-Month	21.55" (547.37mm)	20.44" (519.18mm)	1.11" (28.19mm)	94th Driest	Driest since: 1936	1931
Dec 1936–Jul 1937 8-Month	21.55" (547.37mm)	20.44" (519.18mm)	1.11" (28.19mm)	34th Wettest	Wettest since: 1927	2019
Nov 1936–Jul 1937 9-Month	22.69" (576.33mm)	22.66" (575.56mm)	0.03" (0.77mm)	59th Driest	Driest since: 1936	1934
Nov 1936–Jul 1937 9-Month	22.69" (576.33mm)	22.66" (575.56mm)	0.03" (0.77mm)	69th Wettest	Wettest since: 1935	2019
Oct 1936–Jul 1937 10-Month	24.77" (629.16mm)	24.83" (630.68mm)	-0.06" (-1.52mm)	53rd Driest	Driest since: 1936	1934
Oct 1936–Jul 1937 10-Month	24.77" (629.16mm)	24.83" (630.68mm)	-0.06" (-1.52mm)	75th Wettest	Wettest since: 1935	2019
Sep 1936–Jul 1937 11-Month	27.76" (705.10mm)	27.33" (694.18mm)	0.43" (10.92mm)	65th Driest	Driest since: 1936	1934
Sep 1936–Jul 1937 11-Month	27.76" (705.10mm)	27.33" (694.18mm)	0.43" (10.92mm)	63rd Wettest	Wettest since: 1935	2019
Aug 1936–Jul 1937 12-Month	29.97" (761.24mm)	29.95" (760.73mm)	0.02" (0.51mm)	54th Driest	Driest since: 1936	1918
	29.97" (761.24mm)	29.95" (760.73mm)	0.02" (0.51mm)	74th Wettest	Wettest since: 1935	2019
	Ties: 2014
Feb 1936–Jul 1937 18-Month	43.16" (1,096.26mm)	45.74" (1,161.80mm)	-2.58" (-65.54mm)	25th Driest	Driest since: 1936	1931
Feb 1936–Jul 1937 18-Month	43.16" (1,096.26mm)	45.74" (1,161.80mm)	-2.58" (-65.54mm)	103rd Wettest	Wettest since: 1933	2019
Aug 1935–Jul 1937 24-Month	56.39" (1,432.31mm)	59.92" (1,521.97mm)	-3.53" (-89.66mm)	20th Driest	Driest since: 1935	1918
Aug 1935–Jul 1937 24-Month	56.39" (1,432.31mm)	59.92" (1,521.97mm)	-3.53" (-89.66mm)	107th Wettest	Wettest since: 1936	2020
Aug 1934–Jul 1937 36-Month	87.26" (2,216.40mm)	89.88" (2,282.95mm)	-2.62" (-66.55mm)	29th Driest	Driest since: 1936	1956
Aug 1934–Jul 1937 36-Month	87.26" (2,216.40mm)	89.88" (2,282.95mm)	-2.62" (-66.55mm)	97th Wettest	Wettest since: 1930	2019
Aug 1933–Jul 1937 48-Month	111.94" (2,843.28mm)	119.78" (3,042.41mm)	-7.84" (-199.13mm)	8th Driest	Driest since: 1936	1956
Aug 1933–Jul 1937 48-Month	111.94" (2,843.28mm)	119.78" (3,042.41mm)	-7.84" (-199.13mm)	117th Wettest	Wettest since: 1935	2019
Aug 1932–Jul 1937 60-Month	141.24" (3,587.50mm)	149.64" (3,800.86mm)	-8.40" (-213.36mm)	6th Driest	Driest since: 1935	1934
Aug 1932–Jul 1937 60-Month	141.24" (3,587.50mm)	149.64" (3,800.86mm)	-8.40" (-213.36mm)	118th Wettest	Wettest since: 1936	2019

Citing This Page

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