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 1973

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1973 1-Month	0.53" (13.46mm)	0.45" (11.43mm)	0.08" (2.03mm)	91st Driest	Driest since: 1970	1974
September 1973 1-Month	0.53" (13.46mm)	0.45" (11.43mm)	0.08" (2.03mm)	38th Wettest	Wettest since: 1972	1918
Aug–Sep 1973 2-Month	0.70" (17.78mm)	0.69" (17.53mm)	0.01" (0.25mm)	85th Driest	Driest since: 1970	1937, 2018
	0.70" (17.78mm)	0.69" (17.53mm)	0.01" (0.25mm)	44th Wettest	Wettest since: 1972	1983
	Ties: 1921, 1941, 1945, 1955, 2017
Jul–Sep 1973 3-Month	0.76" (19.30mm)	0.87" (22.10mm)	-0.11" (-2.80mm)	68th Driest	Driest since: 1970	1928
	0.76" (19.30mm)	0.87" (22.10mm)	-0.11" (-2.80mm)	61st Wettest	Wettest since: 1972	1976
	Ties: 1935
Jun–Sep 1973 4-Month	0.82" (20.83mm)	1.22" (30.99mm)	-0.40" (-10.16mm)	34th Driest	Driest since: 1966	2002
Jun–Sep 1973 4-Month	0.82" (20.83mm)	1.22" (30.99mm)	-0.40" (-10.16mm)	95th Wettest	Wettest since: 1972	1982
May–Sep 1973 5-Month	1.23" (31.24mm)	2.10" (53.34mm)	-0.87" (-22.10mm)	19th Driest	Driest since: 1970	1924
May–Sep 1973 5-Month	1.23" (31.24mm)	2.10" (53.34mm)	-0.87" (-22.10mm)	110th Wettest	Wettest since: 1972	1998
Apr–Sep 1973 6-Month	1.64" (41.66mm)	3.74" (95.00mm)	-2.10" (-53.34mm)	6th Driest	Driest since: 1924	1924
Apr–Sep 1973 6-Month	1.64" (41.66mm)	3.74" (95.00mm)	-2.10" (-53.34mm)	123rd Wettest	Wettest since: 1972	1896
Mar–Sep 1973 7-Month	4.98" (126.49mm)	6.95" (176.53mm)	-1.97" (-50.04mm)	35th Driest	Driest since: 1972	2008
Mar–Sep 1973 7-Month	4.98" (126.49mm)	6.95" (176.53mm)	-1.97" (-50.04mm)	94th Wettest	Wettest since: 1971	1995
Feb–Sep 1973 8-Month	10.33" (262.38mm)	10.80" (274.32mm)	-0.47" (-11.94mm)	69th Driest	Driest since: 1972	2021
Feb–Sep 1973 8-Month	10.33" (262.38mm)	10.80" (274.32mm)	-0.47" (-11.94mm)	60th Wettest	Wettest since: 1969	1998
Jan–Sep 1973 9-Month	16.38" (416.05mm)	15.05" (382.27mm)	1.33" (33.78mm)	88th Driest	Driest since: 1972	2022
Jan–Sep 1973 9-Month	16.38" (416.05mm)	15.05" (382.27mm)	1.33" (33.78mm)	41st Wettest	Wettest since: 1969	1998
Dec 1972–Sep 1973 10-Month	19.35" (491.49mm)	18.67" (474.22mm)	0.68" (17.27mm)	79th Driest	Driest since: 1972	1924
Dec 1972–Sep 1973 10-Month	19.35" (491.49mm)	18.67" (474.22mm)	0.68" (17.27mm)	49th Wettest	Wettest since: 1970	1983
Nov 1972–Sep 1973 11-Month	23.58" (598.93mm)	21.25" (539.75mm)	2.33" (59.18mm)	88th Driest	Driest since: 1972	1924
Nov 1972–Sep 1973 11-Month	23.58" (598.93mm)	21.25" (539.75mm)	2.33" (59.18mm)	40th Wettest	Wettest since: 1969	1983
Oct 1972–Sep 1973 12-Month	25.37" (644.40mm)	22.45" (570.23mm)	2.92" (74.17mm)	94th Driest	Driest since: 1972	1924
Oct 1972–Sep 1973 12-Month	25.37" (644.40mm)	22.45" (570.23mm)	2.92" (74.17mm)	34th Wettest	Wettest since: 1969	1983
Apr 1972–Sep 1973 18-Month	28.61" (726.69mm)	26.19" (665.23mm)	2.42" (61.46mm)	90th Driest	Driest since: 1972	2021
Apr 1972–Sep 1973 18-Month	28.61" (726.69mm)	26.19" (665.23mm)	2.42" (61.46mm)	38th Wettest	Wettest since: 1969	1983
Oct 1971–Sep 1973 24-Month	41.31" (1,049.27mm)	44.90" (1,140.46mm)	-3.59" (-91.19mm)	50th Driest	Driest since: 1972	1977
Oct 1971–Sep 1973 24-Month	41.31" (1,049.27mm)	44.90" (1,140.46mm)	-3.59" (-91.19mm)	77th Wettest	Wettest since: 1971	1983
Oct 1970–Sep 1973 36-Month	65.03" (1,651.76mm)	67.32" (1,709.93mm)	-2.29" (-58.17mm)	62nd Driest	Driest since: 1972	2022
Oct 1970–Sep 1973 36-Month	65.03" (1,651.76mm)	67.32" (1,709.93mm)	-2.29" (-58.17mm)	64th Wettest	Wettest since: 1971	1984
Oct 1969–Sep 1973 48-Month	87.49" (2,222.25mm)	89.51" (2,273.55mm)	-2.02" (-51.30mm)	63rd Driest	Driest since: 1966	2015
Oct 1969–Sep 1973 48-Month	87.49" (2,222.25mm)	89.51" (2,273.55mm)	-2.02" (-51.30mm)	62nd Wettest	Wettest since: 1972	1998
Oct 1968–Sep 1973 60-Month	119.45" (3,034.03mm)	111.69" (2,836.93mm)	7.76" (197.10mm)	92nd Driest	Driest since: 1972	1991
Oct 1968–Sep 1973 60-Month	119.45" (3,034.03mm)	111.69" (2,836.93mm)	7.76" (197.10mm)	32nd Wettest	Wettest since: 1971	1999

Citing This Page

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