Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California

Precipitation Rankings, September 1981

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1981 1-Month	0.58" (14.73mm)	0.45" (11.43mm)	0.13" (3.30mm)	95th Driest	Driest since: 1980	1974
September 1981 1-Month	0.58" (14.73mm)	0.45" (11.43mm)	0.13" (3.30mm)	34th Wettest	Wettest since: 1978	1918
Aug–Sep 1981 2-Month	0.68" (17.27mm)	0.69" (17.53mm)	-0.01" (-0.26mm)	78th Driest	Driest since: 1980	1937, 2018
Aug–Sep 1981 2-Month	0.68" (17.27mm)	0.69" (17.53mm)	-0.01" (-0.26mm)	51st Wettest	Wettest since: 1979	1983
Jul–Sep 1981 3-Month	0.72" (18.29mm)	0.87" (22.10mm)	-0.15" (-3.81mm)	61st Driest	Driest since: 1980	1928
	0.72" (18.29mm)	0.87" (22.10mm)	-0.15" (-3.81mm)	68th Wettest	Wettest since: 1979	1976
	Ties: 1906
Jun–Sep 1981 4-Month	0.81" (20.57mm)	1.22" (30.99mm)	-0.41" (-10.42mm)	33rd Driest	Driest since: 1980	2002
Jun–Sep 1981 4-Month	0.81" (20.57mm)	1.22" (30.99mm)	-0.41" (-10.42mm)	96th Wettest	Wettest since: 1979	1982
May–Sep 1981 5-Month	1.71" (43.43mm)	2.10" (53.34mm)	-0.39" (-9.91mm)	48th Driest	Driest since: 1980	1924
May–Sep 1981 5-Month	1.71" (43.43mm)	2.10" (53.34mm)	-0.39" (-9.91mm)	81st Wettest	Wettest since: 1979	1998
Apr–Sep 1981 6-Month	2.68" (68.07mm)	3.74" (95.00mm)	-1.06" (-26.93mm)	30th Driest	Driest since: 1974	1924
Apr–Sep 1981 6-Month	2.68" (68.07mm)	3.74" (95.00mm)	-1.06" (-26.93mm)	99th Wettest	Wettest since: 1980	1896
Mar–Sep 1981 7-Month	6.72" (170.69mm)	6.95" (176.53mm)	-0.23" (-5.84mm)	73rd Driest	Driest since: 1980	2008
Mar–Sep 1981 7-Month	6.72" (170.69mm)	6.95" (176.53mm)	-0.23" (-5.84mm)	56th Wettest	Wettest since: 1978	1995
Feb–Sep 1981 8-Month	8.80" (223.52mm)	10.80" (274.32mm)	-2.00" (-50.80mm)	49th Driest	Driest since: 1977	2021
Feb–Sep 1981 8-Month	8.80" (223.52mm)	10.80" (274.32mm)	-2.00" (-50.80mm)	80th Wettest	Wettest since: 1980	1998
Jan–Sep 1981 9-Month	13.19" (335.03mm)	15.05" (382.27mm)	-1.86" (-47.24mm)	56th Driest	Driest since: 1977	2022
Jan–Sep 1981 9-Month	13.19" (335.03mm)	15.05" (382.27mm)	-1.86" (-47.24mm)	73rd Wettest	Wettest since: 1980	1998
Dec 1980–Sep 1981 10-Month	15.81" (401.57mm)	18.67" (474.22mm)	-2.86" (-72.65mm)	50th Driest	Driest since: 1977	1924
Dec 1980–Sep 1981 10-Month	15.81" (401.57mm)	18.67" (474.22mm)	-2.86" (-72.65mm)	78th Wettest	Wettest since: 1980	1983
Nov 1980–Sep 1981 11-Month	16.44" (417.58mm)	21.25" (539.75mm)	-4.81" (-122.17mm)	35th Driest	Driest since: 1977	1924
Nov 1980–Sep 1981 11-Month	16.44" (417.58mm)	21.25" (539.75mm)	-4.81" (-122.17mm)	93rd Wettest	Wettest since: 1980	1983
Oct 1980–Sep 1981 12-Month	17.01" (432.05mm)	22.45" (570.23mm)	-5.44" (-138.18mm)	32nd Driest	Driest since: 1977	1924
	17.01" (432.05mm)	22.45" (570.23mm)	-5.44" (-138.18mm)	96th Wettest	Wettest since: 1980	1983
	Ties: 1949
Apr 1980–Sep 1981 18-Month	20.36" (517.14mm)	26.19" (665.23mm)	-5.83" (-148.09mm)	30th Driest	Driest since: 1977	2021
Apr 1980–Sep 1981 18-Month	20.36" (517.14mm)	26.19" (665.23mm)	-5.83" (-148.09mm)	98th Wettest	Wettest since: 1980	1983
Oct 1979–Sep 1981 24-Month	45.51" (1,155.95mm)	44.90" (1,140.46mm)	0.61" (15.49mm)	72nd Driest	Driest since: 1978	1977
Oct 1979–Sep 1981 24-Month	45.51" (1,155.95mm)	44.90" (1,140.46mm)	0.61" (15.49mm)	55th Wettest	Wettest since: 1980	1983
Oct 1978–Sep 1981 36-Month	65.63" (1,667.00mm)	67.32" (1,709.93mm)	-1.69" (-42.93mm)	66th Driest	Driest since: 1979	2022
Oct 1978–Sep 1981 36-Month	65.63" (1,667.00mm)	67.32" (1,709.93mm)	-1.69" (-42.93mm)	60th Wettest	Wettest since: 1980	1984
Oct 1977–Sep 1981 48-Month	99.39" (2,524.51mm)	89.51" (2,273.55mm)	9.88" (250.96mm)	100th Driest	Driest since: 1980	2015
Oct 1977–Sep 1981 48-Month	99.39" (2,524.51mm)	89.51" (2,273.55mm)	9.88" (250.96mm)	25th Wettest	Wettest since: 1970	1998
Oct 1976–Sep 1981 60-Month	110.25" (2,800.35mm)	111.69" (2,836.93mm)	-1.44" (-36.58mm)	67th Driest	Driest since: 1980	1991
Oct 1976–Sep 1981 60-Month	110.25" (2,800.35mm)	111.69" (2,836.93mm)	-1.44" (-36.58mm)	57th Wettest	Wettest since: 1975	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings