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 1915

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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 1915 1-Month	2.32" (58.93mm)	2.52" (64.01mm)	-0.20" (-5.08mm)	45th Driest	Driest since: 1913	1987
	2.32" (58.93mm)	2.52" (64.01mm)	-0.20" (-5.08mm)	84th Wettest	Wettest since: 1914	1957
	Ties: 1907, 1988, 2000
Mar–Apr 1915 2-Month	3.83" (97.28mm)	5.03" (127.76mm)	-1.20" (-30.48mm)	4th Driest	Driest since: 1910	1910
Mar–Apr 1915 2-Month	3.83" (97.28mm)	5.03" (127.76mm)	-1.20" (-30.48mm)	125th Wettest	Wettest since: 1914	1973
Feb–Apr 1915 3-Month	6.60" (167.64mm)	7.16" (181.86mm)	-0.56" (-14.22mm)	33rd Driest	Driest since: 1910	1910
	6.60" (167.64mm)	7.16" (181.86mm)	-0.56" (-14.22mm)	96th Wettest	Wettest since: 1914	1983
	Ties: 1977
Jan–Apr 1915 4-Month	9.35" (237.49mm)	9.48" (240.79mm)	-0.13" (-3.30mm)	64th Driest	Driest since: 1914	1910
Jan–Apr 1915 4-Month	9.35" (237.49mm)	9.48" (240.79mm)	-0.13" (-3.30mm)	65th Wettest	Wettest since: 1913	1998
Dec 1914–Apr 1915 5-Month	11.85" (300.99mm)	11.82" (300.23mm)	0.03" (0.76mm)	68th Driest	Driest since: 1914	1931
	11.85" (300.99mm)	11.82" (300.23mm)	0.03" (0.76mm)	60th Wettest	Wettest since: 1913	1983
	Ties: 2005
Nov 1914–Apr 1915 6-Month	13.36" (339.34mm)	14.05" (356.87mm)	-0.69" (-17.53mm)	39th Driest	Driest since: 1911	1977
Nov 1914–Apr 1915 6-Month	13.36" (339.34mm)	14.05" (356.87mm)	-0.69" (-17.53mm)	89th Wettest	Wettest since: 1914	1983
Oct 1914–Apr 1915 7-Month	15.87" (403.10mm)	16.22" (411.99mm)	-0.35" (-8.89mm)	54th Driest	Driest since: 1913	1981
	15.87" (403.10mm)	16.22" (411.99mm)	-0.35" (-8.89mm)	74th Wettest	Wettest since: 1914	1983
	Ties: 1946
Sep 1914–Apr 1915 8-Month	18.05" (458.47mm)	18.71" (475.23mm)	-0.66" (-16.76mm)	44th Driest	Driest since: 1911	1918
Sep 1914–Apr 1915 8-Month	18.05" (458.47mm)	18.71" (475.23mm)	-0.66" (-16.76mm)	84th Wettest	Wettest since: 1914	2019
Aug 1914–Apr 1915 9-Month	21.22" (538.99mm)	21.33" (541.78mm)	-0.11" (-2.79mm)	58th Driest	Driest since: 1913	1918
Aug 1914–Apr 1915 9-Month	21.22" (538.99mm)	21.33" (541.78mm)	-0.11" (-2.79mm)	70th Wettest	Wettest since: 1914	2019
Jul 1914–Apr 1915 10-Month	23.67" (601.22mm)	24.12" (612.65mm)	-0.45" (-11.43mm)	48th Driest	Driest since: 1911	1931
Jul 1914–Apr 1915 10-Month	23.67" (601.22mm)	24.12" (612.65mm)	-0.45" (-11.43mm)	80th Wettest	Wettest since: 1914	2019
Jun 1914–Apr 1915 11-Month	26.52" (673.61mm)	27.04" (686.82mm)	-0.52" (-13.21mm)	45th Driest	Driest since: 1911	1931
Jun 1914–Apr 1915 11-Month	26.52" (673.61mm)	27.04" (686.82mm)	-0.52" (-13.21mm)	83rd Wettest	Wettest since: 1914	2019
May 1914–Apr 1915 12-Month	29.00" (736.60mm)	29.95" (760.73mm)	-0.95" (-24.13mm)	39th Driest	Driest since: 1911	1918
May 1914–Apr 1915 12-Month	29.00" (736.60mm)	29.95" (760.73mm)	-0.95" (-24.13mm)	89th Wettest	Wettest since: 1914	2019
Nov 1913–Apr 1915 18-Month	42.78" (1,086.61mm)	44.02" (1,118.11mm)	-1.24" (-31.50mm)	40th Driest	Driest since: 1914	1931
Nov 1913–Apr 1915 18-Month	42.78" (1,086.61mm)	44.02" (1,118.11mm)	-1.24" (-31.50mm)	87th Wettest	Wettest since: 1913	2020
May 1913–Apr 1915 24-Month	58.19" (1,478.03mm)	59.92" (1,521.97mm)	-1.73" (-43.94mm)	35th Driest	Driest since: 1912	1955
May 1913–Apr 1915 24-Month	58.19" (1,478.03mm)	59.92" (1,521.97mm)	-1.73" (-43.94mm)	92nd Wettest	Wettest since: 1914	2020
May 1912–Apr 1915 36-Month	87.90" (2,232.66mm)	89.88" (2,282.95mm)	-1.98" (-50.29mm)	39th Driest	Driest since: 1913	1955
May 1912–Apr 1915 36-Month	87.90" (2,232.66mm)	89.88" (2,282.95mm)	-1.98" (-50.29mm)	87th Wettest	Wettest since: 1914	2020
May 1911–Apr 1915 48-Month	118.87" (3,019.30mm)	119.77" (3,042.16mm)	-0.90" (-22.86mm)	53rd Driest	Driest since: 1914	1956
May 1911–Apr 1915 48-Month	118.87" (3,019.30mm)	119.77" (3,042.16mm)	-0.90" (-22.86mm)	72nd Wettest	Wettest since: 1910	2019
May 1910–Apr 1915 60-Month	145.57" (3,697.48mm)	149.63" (3,800.60mm)	-4.06" (-103.12mm)	28th Driest	Driest since: 1914	1957
May 1910–Apr 1915 60-Month	145.57" (3,697.48mm)	149.63" (3,800.60mm)	-4.06" (-103.12mm)	96th Wettest	Wettest since: 1913	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings