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, October 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
October 1937 1-Month	2.61" (66.29mm)	2.16" (54.86mm)	0.45" (11.43mm)	98th Driest	Driest since: 1936	1952
	2.61" (66.29mm)	2.16" (54.86mm)	0.45" (11.43mm)	31st Wettest	Wettest since: 1925	2009
	Ties: 1983
Sep–Oct 1937 2-Month	4.61" (117.09mm)	4.65" (118.11mm)	-0.04" (-1.02mm)	50th Driest	Driest since: 1935	1952
	4.61" (117.09mm)	4.65" (118.11mm)	-0.04" (-1.02mm)	79th Wettest	Wettest since: 1936	2018
	Ties: 1920, 1960
Aug–Oct 1937 3-Month	7.16" (181.86mm)	7.27" (184.66mm)	-0.11" (-2.80mm)	53rd Driest	Driest since: 1935	1952
Aug–Oct 1937 3-Month	7.16" (181.86mm)	7.27" (184.66mm)	-0.11" (-2.80mm)	76th Wettest	Wettest since: 1936	2018
Jul–Oct 1937 4-Month	9.78" (248.41mm)	10.05" (255.27mm)	-0.27" (-6.86mm)	46th Driest	Driest since: 1936	1952
Jul–Oct 1937 4-Month	9.78" (248.41mm)	10.05" (255.27mm)	-0.27" (-6.86mm)	83rd Wettest	Wettest since: 1932	1941
Jun–Oct 1937 5-Month	12.89" (327.41mm)	12.97" (329.44mm)	-0.08" (-2.03mm)	53rd Driest	Driest since: 1936	1952
	12.89" (327.41mm)	12.97" (329.44mm)	-0.08" (-2.03mm)	76th Wettest	Wettest since: 1932	1941
	Ties: 1990
May–Oct 1937 6-Month	15.22" (386.59mm)	15.88" (403.35mm)	-0.66" (-16.76mm)	36th Driest	Driest since: 1936	1952
May–Oct 1937 6-Month	15.22" (386.59mm)	15.88" (403.35mm)	-0.66" (-16.76mm)	93rd Wettest	Wettest since: 1935	1941
Apr–Oct 1937 7-Month	17.90" (454.66mm)	18.40" (467.36mm)	-0.50" (-12.70mm)	45th Driest	Driest since: 1936	1952
Apr–Oct 1937 7-Month	17.90" (454.66mm)	18.40" (467.36mm)	-0.50" (-12.70mm)	84th Wettest	Wettest since: 1935	1941
Mar–Oct 1937 8-Month	20.05" (509.27mm)	20.91" (531.11mm)	-0.86" (-21.84mm)	33rd Driest	Driest since: 1936	1956
Mar–Oct 1937 8-Month	20.05" (509.27mm)	20.91" (531.11mm)	-0.86" (-21.84mm)	96th Wettest	Wettest since: 1935	2019
Feb–Oct 1937 9-Month	22.27" (565.66mm)	23.04" (585.22mm)	-0.77" (-19.56mm)	39th Driest	Driest since: 1936	1934
Feb–Oct 1937 9-Month	22.27" (565.66mm)	23.04" (585.22mm)	-0.77" (-19.56mm)	90th Wettest	Wettest since: 1935	2019
Jan–Oct 1937 10-Month	25.92" (658.37mm)	25.36" (644.14mm)	0.56" (14.23mm)	74th Driest	Driest since: 1936	1934
Jan–Oct 1937 10-Month	25.92" (658.37mm)	25.36" (644.14mm)	0.56" (14.23mm)	55th Wettest	Wettest since: 1929	2019
Dec 1936–Oct 1937 11-Month	28.71" (729.23mm)	27.70" (703.58mm)	1.01" (25.65mm)	78th Driest	Driest since: 1936	1931
Dec 1936–Oct 1937 11-Month	28.71" (729.23mm)	27.70" (703.58mm)	1.01" (25.65mm)	50th Wettest	Wettest since: 1932	2019
Nov 1936–Oct 1937 12-Month	29.85" (758.19mm)	29.93" (760.22mm)	-0.08" (-2.03mm)	57th Driest	Driest since: 1936	1934
Nov 1936–Oct 1937 12-Month	29.85" (758.19mm)	29.93" (760.22mm)	-0.08" (-2.03mm)	71st Wettest	Wettest since: 1935	2019
May 1936–Oct 1937 18-Month	43.60" (1,107.44mm)	45.83" (1,164.08mm)	-2.23" (-56.64mm)	28th Driest	Driest since: 1936	1931
May 1936–Oct 1937 18-Month	43.60" (1,107.44mm)	45.83" (1,164.08mm)	-2.23" (-56.64mm)	100th Wettest	Wettest since: 1935	2019
Nov 1935–Oct 1937 24-Month	57.01" (1,448.05mm)	59.90" (1,521.46mm)	-2.89" (-73.41mm)	25th Driest	Driest since: 1935	1931
Nov 1935–Oct 1937 24-Month	57.01" (1,448.05mm)	59.90" (1,521.46mm)	-2.89" (-73.41mm)	102nd Wettest	Wettest since: 1936	2019
Nov 1934–Oct 1937 36-Month	87.60" (2,225.04mm)	89.86" (2,282.44mm)	-2.26" (-57.40mm)	34th Driest	Driest since: 1936	1956
Nov 1934–Oct 1937 36-Month	87.60" (2,225.04mm)	89.86" (2,282.44mm)	-2.26" (-57.40mm)	92nd Wettest	Wettest since: 1929	2019
Nov 1933–Oct 1937 48-Month	112.18" (2,849.37mm)	119.78" (3,042.41mm)	-7.60" (-193.04mm)	7th Driest	Driest since: 1936	1956
Nov 1933–Oct 1937 48-Month	112.18" (2,849.37mm)	119.78" (3,042.41mm)	-7.60" (-193.04mm)	118th Wettest	Wettest since: 1935	2019
Nov 1932–Oct 1937 60-Month	140.91" (3,579.11mm)	149.66" (3,801.36mm)	-8.75" (-222.25mm)	6th Driest	Driest since: 1935	1934
Nov 1932–Oct 1937 60-Month	140.91" (3,579.11mm)	149.66" (3,801.36mm)	-8.75" (-222.25mm)	118th Wettest	Wettest since: 1936	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings