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, August 1930

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1930 1-Month	0.14" (3.56mm)	0.24" (6.10mm)	-0.10" (-2.54mm)	48th Driest	Driest since: 1928	1937, 2002
	0.14" (3.56mm)	0.24" (6.10mm)	-0.10" (-2.54mm)	81st Wettest	Wettest since: 1929	1983
	Ties: 1964
Jul–Aug 1930 2-Month	0.18" (4.57mm)	0.42" (10.67mm)	-0.24" (-6.10mm)	16th Driest	Driest since: 1928	1940
	0.18" (4.57mm)	0.42" (10.67mm)	-0.24" (-6.10mm)	113th Wettest	Wettest since: 1929	1983
	Ties: 1905, 1924
Jun–Aug 1930 3-Month	0.23" (5.84mm)	0.77" (19.56mm)	-0.54" (-13.72mm)	6th Driest	Driest since: 1928	2002
	0.23" (5.84mm)	0.77" (19.56mm)	-0.54" (-13.72mm)	123rd Wettest	Wettest since: 1929	1913
	Ties: 1924, 1981
May–Aug 1930 4-Month	1.43" (36.32mm)	1.65" (41.91mm)	-0.22" (-5.59mm)	57th Driest	Driest since: 1928	1924
May–Aug 1930 4-Month	1.43" (36.32mm)	1.65" (41.91mm)	-0.22" (-5.59mm)	72nd Wettest	Wettest since: 1929	1998
Apr–Aug 1930 5-Month	2.94" (74.68mm)	3.28" (83.31mm)	-0.34" (-8.63mm)	58th Driest	Driest since: 1928	2021
Apr–Aug 1930 5-Month	2.94" (74.68mm)	3.28" (83.31mm)	-0.34" (-8.63mm)	71st Wettest	Wettest since: 1929	1896
Mar–Aug 1930 6-Month	5.62" (142.75mm)	6.50" (165.10mm)	-0.88" (-22.35mm)	61st Driest	Driest since: 1929	2008
	5.62" (142.75mm)	6.50" (165.10mm)	-0.88" (-22.35mm)	68th Wettest	Wettest since: 1928	1995
	Ties: 1922, 1927
Feb–Aug 1930 7-Month	8.49" (215.65mm)	10.35" (262.89mm)	-1.86" (-47.24mm)	52nd Driest	Driest since: 1929	1997, 2021
Feb–Aug 1930 7-Month	8.49" (215.65mm)	10.35" (262.89mm)	-1.86" (-47.24mm)	77th Wettest	Wettest since: 1928	1998
Jan–Aug 1930 8-Month	13.08" (332.23mm)	14.60" (370.84mm)	-1.52" (-38.61mm)	58th Driest	Driest since: 1929	2022
Jan–Aug 1930 8-Month	13.08" (332.23mm)	14.60" (370.84mm)	-1.52" (-38.61mm)	71st Wettest	Wettest since: 1927	1995
Dec 1929–Aug 1930 9-Month	17.46" (443.48mm)	18.22" (462.79mm)	-0.76" (-19.31mm)	71st Driest	Driest since: 1929	1924
	17.46" (443.48mm)	18.22" (462.79mm)	-0.76" (-19.31mm)	57th Wettest	Wettest since: 1927	1998
	Ties: 1921
Nov 1929–Aug 1930 10-Month	17.46" (443.48mm)	20.80" (528.32mm)	-3.34" (-84.84mm)	52nd Driest	Driest since: 1929	1924
Nov 1929–Aug 1930 10-Month	17.46" (443.48mm)	20.80" (528.32mm)	-3.34" (-84.84mm)	76th Wettest	Wettest since: 1927	1983
Oct 1929–Aug 1930 11-Month	17.63" (447.80mm)	22.00" (558.80mm)	-4.37" (-111.00mm)	44th Driest	Driest since: 1929	1924
	17.63" (447.80mm)	22.00" (558.80mm)	-4.37" (-111.00mm)	84th Wettest	Wettest since: 1928	1983
	Ties: 1926
Sep 1929–Aug 1930 12-Month	17.91" (454.91mm)	22.44" (569.98mm)	-4.53" (-115.07mm)	44th Driest	Driest since: 1929	2021
Sep 1929–Aug 1930 12-Month	17.91" (454.91mm)	22.44" (569.98mm)	-4.53" (-115.07mm)	84th Wettest	Wettest since: 1928	1983
Mar 1929–Aug 1930 18-Month	23.02" (584.71mm)	28.96" (735.58mm)	-5.94" (-150.87mm)	31st Driest	Driest since: 1929	1977
Mar 1929–Aug 1930 18-Month	23.02" (584.71mm)	28.96" (735.58mm)	-5.94" (-150.87mm)	97th Wettest	Wettest since: 1928	1983
Sep 1928–Aug 1930 24-Month	32.99" (837.95mm)	44.90" (1,140.46mm)	-11.91" (-302.51mm)	13th Driest	Driest since: 1924	1977
Sep 1928–Aug 1930 24-Month	32.99" (837.95mm)	44.90" (1,140.46mm)	-11.91" (-302.51mm)	114th Wettest	Wettest since: 1929	1983
Sep 1927–Aug 1930 36-Month	52.23" (1,326.64mm)	67.31" (1,709.67mm)	-15.08" (-383.03mm)	11th Driest	Driest since: 1930	2022
Sep 1927–Aug 1930 36-Month	52.23" (1,326.64mm)	67.31" (1,709.67mm)	-15.08" (-383.03mm)	115th Wettest	Wettest since: 1929	1984
Sep 1926–Aug 1930 48-Month	79.62" (2,022.35mm)	89.50" (2,273.30mm)	-9.88" (-250.95mm)	35th Driest	Driest since: 1926	2015
Sep 1926–Aug 1930 48-Month	79.62" (2,022.35mm)	89.50" (2,273.30mm)	-9.88" (-250.95mm)	90th Wettest	Wettest since: 1929	1998
Sep 1925–Aug 1930 60-Month	97.95" (2,487.93mm)	111.68" (2,836.67mm)	-13.73" (-348.74mm)	24th Driest	Driest since: 1926	1991
Sep 1925–Aug 1930 60-Month	97.95" (2,487.93mm)	111.68" (2,836.67mm)	-13.73" (-348.74mm)	100th Wettest	Wettest since: 1929	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 3, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings