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, January 1950

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1950 1-Month	3.36" (85.34mm)	2.31" (58.67mm)	1.05" (26.67mm)	127th Driest	Driest since: 1949	1981
	3.36" (85.34mm)	2.31" (58.67mm)	1.05" (26.67mm)	3rd Wettest	Wettest since: 1937	1916
	Ties: 1998
Dec 1949–Jan 1950 2-Month	5.58" (141.73mm)	4.66" (118.36mm)	0.92" (23.37mm)	109th Driest	Driest since: 1948	1981
Dec 1949–Jan 1950 2-Month	5.58" (141.73mm)	4.66" (118.36mm)	0.92" (23.37mm)	20th Wettest	Wettest since: 1949	1932
Nov 1949–Jan 1950 3-Month	6.77" (171.96mm)	6.89" (175.01mm)	-0.12" (-3.05mm)	64th Driest	Driest since: 1948	1977
Nov 1949–Jan 1950 3-Month	6.77" (171.96mm)	6.89" (175.01mm)	-0.12" (-3.05mm)	65th Wettest	Wettest since: 1949	2016
Oct 1949–Jan 1950 4-Month	9.57" (243.08mm)	9.06" (230.12mm)	0.51" (12.96mm)	84th Driest	Driest since: 1948	1981
Oct 1949–Jan 1950 4-Month	9.57" (243.08mm)	9.06" (230.12mm)	0.51" (12.96mm)	45th Wettest	Wettest since: 1949	2016
Sep 1949–Jan 1950 5-Month	11.79" (299.47mm)	11.55" (293.37mm)	0.24" (6.10mm)	72nd Driest	Driest since: 1948	1940
Sep 1949–Jan 1950 5-Month	11.79" (299.47mm)	11.55" (293.37mm)	0.24" (6.10mm)	57th Wettest	Wettest since: 1949	2019
Aug 1949–Jan 1950 6-Month	14.28" (362.71mm)	14.17" (359.92mm)	0.11" (2.79mm)	65th Driest	Driest since: 1948	1940
Aug 1949–Jan 1950 6-Month	14.28" (362.71mm)	14.17" (359.92mm)	0.11" (2.79mm)	64th Wettest	Wettest since: 1949	2019
Jul 1949–Jan 1950 7-Month	17.36" (440.94mm)	16.96" (430.78mm)	0.40" (10.16mm)	77th Driest	Driest since: 1948	1940
	17.36" (440.94mm)	16.96" (430.78mm)	0.40" (10.16mm)	52nd Wettest	Wettest since: 1949	2019
	Ties: 1899
Jun 1949–Jan 1950 8-Month	20.56" (522.22mm)	19.88" (504.95mm)	0.68" (17.27mm)	83rd Driest	Driest since: 1948	1981
Jun 1949–Jan 1950 8-Month	20.56" (522.22mm)	19.88" (504.95mm)	0.68" (17.27mm)	46th Wettest	Wettest since: 1949	2019
May 1949–Jan 1950 9-Month	23.54" (597.92mm)	22.79" (578.87mm)	0.75" (19.05mm)	81st Driest	Driest since: 1948	1918
May 1949–Jan 1950 9-Month	23.54" (597.92mm)	22.79" (578.87mm)	0.75" (19.05mm)	48th Wettest	Wettest since: 1949	2016
Apr 1949–Jan 1950 10-Month	25.63" (651.00mm)	25.32" (643.13mm)	0.31" (7.87mm)	65th Driest	Driest since: 1948	1940
Apr 1949–Jan 1950 10-Month	25.63" (651.00mm)	25.32" (643.13mm)	0.31" (7.87mm)	64th Wettest	Wettest since: 1949	2016
Mar 1949–Jan 1950 11-Month	28.10" (713.74mm)	27.83" (706.88mm)	0.27" (6.86mm)	67th Driest	Driest since: 1948	1957
	28.10" (713.74mm)	27.83" (706.88mm)	0.27" (6.86mm)	62nd Wettest	Wettest since: 1949	1974
	Ties: 1899
Feb 1949–Jan 1950 12-Month	30.50" (774.70mm)	29.96" (760.98mm)	0.54" (13.72mm)	72nd Driest	Driest since: 1948	1931
Feb 1949–Jan 1950 12-Month	30.50" (774.70mm)	29.96" (760.98mm)	0.54" (13.72mm)	57th Wettest	Wettest since: 1949	1974
Aug 1948–Jan 1950 18-Month	45.23" (1,148.84mm)	44.14" (1,121.16mm)	1.09" (27.68mm)	81st Driest	Driest since: 1948	1955
Aug 1948–Jan 1950 18-Month	45.23" (1,148.84mm)	44.14" (1,121.16mm)	1.09" (27.68mm)	47th Wettest	Wettest since: 1949	2020
Feb 1948–Jan 1950 24-Month	62.37" (1,584.20mm)	59.93" (1,522.22mm)	2.44" (61.98mm)	94th Driest	Driest since: 1949	1918
Feb 1948–Jan 1950 24-Month	62.37" (1,584.20mm)	59.93" (1,522.22mm)	2.44" (61.98mm)	34th Wettest	Wettest since: 1947	2020
Feb 1947–Jan 1950 36-Month	91.27" (2,318.26mm)	89.86" (2,282.44mm)	1.41" (35.82mm)	78th Driest	Driest since: 1946	1957
Feb 1947–Jan 1950 36-Month	91.27" (2,318.26mm)	89.86" (2,282.44mm)	1.41" (35.82mm)	49th Wettest	Wettest since: 1949	2020
Feb 1946–Jan 1950 48-Month	122.25" (3,105.15mm)	119.76" (3,041.90mm)	2.49" (63.25mm)	80th Driest	Driest since: 1947	1957
Feb 1946–Jan 1950 48-Month	122.25" (3,105.15mm)	119.76" (3,041.90mm)	2.49" (63.25mm)	46th Wettest	Wettest since: 1949	2020
Feb 1945–Jan 1950 60-Month	156.02" (3,962.91mm)	149.63" (3,800.60mm)	6.39" (162.31mm)	99th Driest	Driest since: 1948	1957
Feb 1945–Jan 1950 60-Month	156.02" (3,962.91mm)	149.63" (3,800.60mm)	6.39" (162.31mm)	26th Wettest	Wettest since: 1949	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings