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, April 1945

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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
April 1945 1-Month	3.05" (77.47mm)	2.52" (64.01mm)	0.53" (13.46mm)	114th Driest	Driest since: 1943	1987
	3.05" (77.47mm)	2.52" (64.01mm)	0.53" (13.46mm)	15th Wettest	Wettest since: 1944	1957
	Ties: 1927, 1958
Mar–Apr 1945 2-Month	6.17" (156.72mm)	5.03" (127.76mm)	1.14" (28.96mm)	121st Driest	Driest since: 1943	1910
Mar–Apr 1945 2-Month	6.17" (156.72mm)	5.03" (127.76mm)	1.14" (28.96mm)	8th Wettest	Wettest since: 1944	1973
Feb–Apr 1945 3-Month	8.92" (226.57mm)	7.16" (181.86mm)	1.76" (44.71mm)	123rd Driest	Driest since: 1943	1910
Feb–Apr 1945 3-Month	8.92" (226.57mm)	7.16" (181.86mm)	1.76" (44.71mm)	6th Wettest	Wettest since: 1944	1983
Jan–Apr 1945 4-Month	10.72" (272.29mm)	9.48" (240.79mm)	1.24" (31.50mm)	117th Driest	Driest since: 1943	1910
Jan–Apr 1945 4-Month	10.72" (272.29mm)	9.48" (240.79mm)	1.24" (31.50mm)	12th Wettest	Wettest since: 1944	1998
Dec 1944–Apr 1945 5-Month	12.78" (324.61mm)	11.82" (300.23mm)	0.96" (24.38mm)	104th Driest	Driest since: 1944	1931
Dec 1944–Apr 1945 5-Month	12.78" (324.61mm)	11.82" (300.23mm)	0.96" (24.38mm)	24th Wettest	Wettest since: 1938	1983
Nov 1944–Apr 1945 6-Month	15.46" (392.68mm)	14.05" (356.87mm)	1.41" (35.81mm)	105th Driest	Driest since: 1944	1977
Nov 1944–Apr 1945 6-Month	15.46" (392.68mm)	14.05" (356.87mm)	1.41" (35.81mm)	23rd Wettest	Wettest since: 1932	1983
Oct 1944–Apr 1945 7-Month	16.80" (426.72mm)	16.22" (411.99mm)	0.58" (14.73mm)	89th Driest	Driest since: 1944	1981
Oct 1944–Apr 1945 7-Month	16.80" (426.72mm)	16.22" (411.99mm)	0.58" (14.73mm)	39th Wettest	Wettest since: 1942	1983
Sep 1944–Apr 1945 8-Month	19.19" (487.43mm)	18.71" (475.23mm)	0.48" (12.20mm)	80th Driest	Driest since: 1944	1918
Sep 1944–Apr 1945 8-Month	19.19" (487.43mm)	18.71" (475.23mm)	0.48" (12.20mm)	48th Wettest	Wettest since: 1942	2019
Aug 1944–Apr 1945 9-Month	22.15" (562.61mm)	21.33" (541.78mm)	0.82" (20.83mm)	87th Driest	Driest since: 1944	1918
Aug 1944–Apr 1945 9-Month	22.15" (562.61mm)	21.33" (541.78mm)	0.82" (20.83mm)	41st Wettest	Wettest since: 1942	2019
Jul 1944–Apr 1945 10-Month	24.46" (621.28mm)	24.12" (612.65mm)	0.34" (8.63mm)	74th Driest	Driest since: 1944	1931
Jul 1944–Apr 1945 10-Month	24.46" (621.28mm)	24.12" (612.65mm)	0.34" (8.63mm)	54th Wettest	Wettest since: 1942	2019
Jun 1944–Apr 1945 11-Month	27.47" (697.74mm)	27.04" (686.82mm)	0.43" (10.92mm)	74th Driest	Driest since: 1944	1931
Jun 1944–Apr 1945 11-Month	27.47" (697.74mm)	27.04" (686.82mm)	0.43" (10.92mm)	54th Wettest	Wettest since: 1943	2019
May 1944–Apr 1945 12-Month	30.47" (773.94mm)	29.95" (760.73mm)	0.52" (13.21mm)	72nd Driest	Driest since: 1944	1918
May 1944–Apr 1945 12-Month	30.47" (773.94mm)	29.95" (760.73mm)	0.52" (13.21mm)	56th Wettest	Wettest since: 1943	2019
Nov 1943–Apr 1945 18-Month	44.52" (1,130.81mm)	44.02" (1,118.11mm)	0.50" (12.70mm)	70th Driest	Driest since: 1944	1931
Nov 1943–Apr 1945 18-Month	44.52" (1,130.81mm)	44.02" (1,118.11mm)	0.50" (12.70mm)	57th Wettest	Wettest since: 1942	2020
May 1943–Apr 1945 24-Month	59.66" (1,515.36mm)	59.92" (1,521.97mm)	-0.26" (-6.61mm)	58th Driest	Driest since: 1941	1955
May 1943–Apr 1945 24-Month	59.66" (1,515.36mm)	59.92" (1,521.97mm)	-0.26" (-6.61mm)	69th Wettest	Wettest since: 1944	2020
May 1942–Apr 1945 36-Month	90.60" (2,301.24mm)	89.88" (2,282.95mm)	0.72" (18.29mm)	71st Driest	Driest since: 1942	1955
May 1942–Apr 1945 36-Month	90.60" (2,301.24mm)	89.88" (2,282.95mm)	0.72" (18.29mm)	55th Wettest	Wettest since: 1944	2020
May 1941–Apr 1945 48-Month	123.34" (3,132.84mm)	119.77" (3,042.16mm)	3.57" (90.68mm)	93rd Driest	Driest since: 1944	1956
May 1941–Apr 1945 48-Month	123.34" (3,132.84mm)	119.77" (3,042.16mm)	3.57" (90.68mm)	32nd Wettest	Wettest since: 1909	2019
May 1940–Apr 1945 60-Month	152.48" (3,872.99mm)	149.63" (3,800.60mm)	2.85" (72.39mm)	77th Driest	Driest since: 1944	1957
May 1940–Apr 1945 60-Month	152.48" (3,872.99mm)	149.63" (3,800.60mm)	2.85" (72.39mm)	47th Wettest	Wettest since: 1910	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings