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 2010

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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
August 2010 1-Month	0.10" (2.54mm)	0.24" (6.10mm)	-0.14" (-3.56mm)	31st Driest	Driest since: 2006	1937, 2002
	0.10" (2.54mm)	0.24" (6.10mm)	-0.14" (-3.56mm)	98th Wettest	Wettest since: 2009	1983
	Ties: 1927, 1981, 2011, 2020, 2021
Jul–Aug 2010 2-Month	0.17" (4.32mm)	0.42" (10.67mm)	-0.25" (-6.35mm)	13th Driest	Driest since: 2009	1940
	0.17" (4.32mm)	0.42" (10.67mm)	-0.25" (-6.35mm)	116th Wettest	Wettest since: 2009	1983
	Ties: 1914, 2009
Jun–Aug 2010 3-Month	0.43" (10.92mm)	0.77" (19.56mm)	-0.34" (-8.64mm)	34th Driest	Driest since: 2008	2002
Jun–Aug 2010 3-Month	0.43" (10.92mm)	0.77" (19.56mm)	-0.34" (-8.64mm)	95th Wettest	Wettest since: 2009	1913
May–Aug 2010 4-Month	1.50" (38.10mm)	1.65" (41.91mm)	-0.15" (-3.81mm)	66th Driest	Driest since: 2008	1924
May–Aug 2010 4-Month	1.50" (38.10mm)	1.65" (41.91mm)	-0.15" (-3.81mm)	63rd Wettest	Wettest since: 2009	1998
Apr–Aug 2010 5-Month	4.97" (126.24mm)	3.29" (83.57mm)	1.68" (42.67mm)	109th Driest	Driest since: 2009	2021
Apr–Aug 2010 5-Month	4.97" (126.24mm)	3.29" (83.57mm)	1.68" (42.67mm)	20th Wettest	Wettest since: 2006	1896
Mar–Aug 2010 6-Month	7.16" (181.86mm)	6.50" (165.10mm)	0.66" (16.76mm)	88th Driest	Driest since: 2009	2008
Mar–Aug 2010 6-Month	7.16" (181.86mm)	6.50" (165.10mm)	0.66" (16.76mm)	41st Wettest	Wettest since: 2006	1995
Feb–Aug 2010 7-Month	10.81" (274.57mm)	10.35" (262.89mm)	0.46" (11.68mm)	81st Driest	Driest since: 2009	1997, 2021
Feb–Aug 2010 7-Month	10.81" (274.57mm)	10.35" (262.89mm)	0.46" (11.68mm)	48th Wettest	Wettest since: 2006	1998
Jan–Aug 2010 8-Month	17.29" (439.17mm)	14.60" (370.84mm)	2.69" (68.33mm)	96th Driest	Driest since: 2009	2022
Jan–Aug 2010 8-Month	17.29" (439.17mm)	14.60" (370.84mm)	2.69" (68.33mm)	33rd Wettest	Wettest since: 2006	1995
Dec 2009–Aug 2010 9-Month	20.44" (519.18mm)	18.22" (462.79mm)	2.22" (56.39mm)	89th Driest	Driest since: 2009	1924
Dec 2009–Aug 2010 9-Month	20.44" (519.18mm)	18.22" (462.79mm)	2.22" (56.39mm)	39th Wettest	Wettest since: 2006	1998
Nov 2009–Aug 2010 10-Month	21.43" (544.32mm)	20.80" (528.32mm)	0.63" (16.00mm)	78th Driest	Driest since: 2009	1924
Nov 2009–Aug 2010 10-Month	21.43" (544.32mm)	20.80" (528.32mm)	0.63" (16.00mm)	50th Wettest	Wettest since: 2006	1983
Oct 2009–Aug 2010 11-Month	23.50" (596.90mm)	22.00" (558.80mm)	1.50" (38.10mm)	83rd Driest	Driest since: 2009	1924
Oct 2009–Aug 2010 11-Month	23.50" (596.90mm)	22.00" (558.80mm)	1.50" (38.10mm)	45th Wettest	Wettest since: 2006	1983
Sep 2009–Aug 2010 12-Month	23.59" (599.19mm)	22.44" (569.98mm)	1.15" (29.21mm)	82nd Driest	Driest since: 2009	2021
Sep 2009–Aug 2010 12-Month	23.59" (599.19mm)	22.44" (569.98mm)	1.15" (29.21mm)	46th Wettest	Wettest since: 2006	1983
Mar 2009–Aug 2010 18-Month	28.43" (722.12mm)	28.96" (735.58mm)	-0.53" (-13.46mm)	72nd Driest	Driest since: 2009	1977
Mar 2009–Aug 2010 18-Month	28.43" (722.12mm)	28.96" (735.58mm)	-0.53" (-13.46mm)	56th Wettest	Wettest since: 2006	1983
Sep 2008–Aug 2010 24-Month	40.54" (1,029.72mm)	44.90" (1,140.46mm)	-4.36" (-110.74mm)	44th Driest	Driest since: 2009	1977
Sep 2008–Aug 2010 24-Month	40.54" (1,029.72mm)	44.90" (1,140.46mm)	-4.36" (-110.74mm)	83rd Wettest	Wettest since: 2007	1983
Sep 2007–Aug 2010 36-Month	58.22" (1,478.79mm)	67.31" (1,709.67mm)	-9.09" (-230.88mm)	31st Driest	Driest since: 2009	2022
Sep 2007–Aug 2010 36-Month	58.22" (1,478.79mm)	67.31" (1,709.67mm)	-9.09" (-230.88mm)	95th Wettest	Wettest since: 2008	1984
Sep 2006–Aug 2010 48-Month	71.74" (1,822.20mm)	89.50" (2,273.30mm)	-17.76" (-451.10mm)	14th Driest	Driest since: 1992	2015
Sep 2006–Aug 2010 48-Month	71.74" (1,822.20mm)	89.50" (2,273.30mm)	-17.76" (-451.10mm)	111th Wettest	Wettest since: 2009	1998
Sep 2005–Aug 2010 60-Month	101.02" (2,565.91mm)	111.68" (2,836.67mm)	-10.66" (-270.76mm)	32nd Driest	Driest since: 2004	1991
Sep 2005–Aug 2010 60-Month	101.02" (2,565.91mm)	111.68" (2,836.67mm)	-10.66" (-270.76mm)	92nd Wettest	Wettest since: 2009	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published December 2022, retrieved on December 9, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings