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 1921

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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 1921 1-Month	0.27" (6.86mm)	0.24" (6.10mm)	0.03" (0.76mm)	86th Driest	Driest since: 1919	1937, 2002
	0.27" (6.86mm)	0.24" (6.10mm)	0.03" (0.76mm)	43rd Wettest	Wettest since: 1920	1983
	Ties: 1918, 1954, 1997, 2000, 2017
Jul–Aug 1921 2-Month	0.39" (9.91mm)	0.42" (10.67mm)	-0.03" (-0.76mm)	78th Driest	Driest since: 1919	1940
	0.39" (9.91mm)	0.42" (10.67mm)	-0.03" (-0.76mm)	51st Wettest	Wettest since: 1920	1983
	Ties: 2021
Jun–Aug 1921 3-Month	0.58" (14.73mm)	0.77" (19.56mm)	-0.19" (-4.83mm)	50th Driest	Driest since: 1919	2002
Jun–Aug 1921 3-Month	0.58" (14.73mm)	0.77" (19.56mm)	-0.19" (-4.83mm)	79th Wettest	Wettest since: 1920	1913
May–Aug 1921 4-Month	2.25" (57.15mm)	1.65" (41.91mm)	0.60" (15.24mm)	104th Driest	Driest since: 1920	1924
May–Aug 1921 4-Month	2.25" (57.15mm)	1.65" (41.91mm)	0.60" (15.24mm)	25th Wettest	Wettest since: 1915	1998
Apr–Aug 1921 5-Month	2.74" (69.60mm)	3.29" (83.57mm)	-0.55" (-13.97mm)	51st Driest	Driest since: 1919	2021
Apr–Aug 1921 5-Month	2.74" (69.60mm)	3.29" (83.57mm)	-0.55" (-13.97mm)	78th Wettest	Wettest since: 1920	1896
Mar–Aug 1921 6-Month	4.96" (125.98mm)	6.50" (165.10mm)	-1.54" (-39.12mm)	43rd Driest	Driest since: 1919	2008
Mar–Aug 1921 6-Month	4.96" (125.98mm)	6.50" (165.10mm)	-1.54" (-39.12mm)	86th Wettest	Wettest since: 1920	1995
Feb–Aug 1921 7-Month	6.94" (176.28mm)	10.35" (262.89mm)	-3.41" (-86.61mm)	25th Driest	Driest since: 1910	1997, 2021
	6.94" (176.28mm)	10.35" (262.89mm)	-3.41" (-86.61mm)	104th Wettest	Wettest since: 1920	1998
	Ties: 1929
Jan–Aug 1921 8-Month	12.54" (318.52mm)	14.60" (370.84mm)	-2.06" (-52.32mm)	53rd Driest	Driest since: 1920	2022
Jan–Aug 1921 8-Month	12.54" (318.52mm)	14.60" (370.84mm)	-2.06" (-52.32mm)	76th Wettest	Wettest since: 1919	1995
Dec 1920–Aug 1921 9-Month	17.46" (443.48mm)	18.22" (462.79mm)	-0.76" (-19.31mm)	71st Driest	Driest since: 1920	1924
	17.46" (443.48mm)	18.22" (462.79mm)	-0.76" (-19.31mm)	57th Wettest	Wettest since: 1916	1998
	Ties: 1930
Nov 1920–Aug 1921 10-Month	21.97" (558.04mm)	20.80" (528.32mm)	1.17" (29.72mm)	83rd Driest	Driest since: 1920	1924
Nov 1920–Aug 1921 10-Month	21.97" (558.04mm)	20.80" (528.32mm)	1.17" (29.72mm)	45th Wettest	Wettest since: 1916	1983
Oct 1920–Aug 1921 11-Month	24.05" (610.87mm)	22.00" (558.80mm)	2.05" (52.07mm)	85th Driest	Driest since: 1920	1924
Oct 1920–Aug 1921 11-Month	24.05" (610.87mm)	22.00" (558.80mm)	2.05" (52.07mm)	43rd Wettest	Wettest since: 1916	1983
Sep 1920–Aug 1921 12-Month	24.42" (620.27mm)	22.44" (569.98mm)	1.98" (50.29mm)	84th Driest	Driest since: 1920	2021
Sep 1920–Aug 1921 12-Month	24.42" (620.27mm)	22.44" (569.98mm)	1.98" (50.29mm)	44th Wettest	Wettest since: 1916	1983
Mar 1920–Aug 1921 18-Month	32.27" (819.66mm)	28.96" (735.58mm)	3.31" (84.08mm)	96th Driest	Driest since: 1920	1977
Mar 1920–Aug 1921 18-Month	32.27" (819.66mm)	28.96" (735.58mm)	3.31" (84.08mm)	32nd Wettest	Wettest since: 1914	1983
Sep 1919–Aug 1921 24-Month	41.09" (1,043.69mm)	44.90" (1,140.46mm)	-3.81" (-96.77mm)	48th Driest	Driest since: 1920	1977
Sep 1919–Aug 1921 24-Month	41.09" (1,043.69mm)	44.90" (1,140.46mm)	-3.81" (-96.77mm)	79th Wettest	Wettest since: 1917	1983
Sep 1918–Aug 1921 36-Month	61.27" (1,556.26mm)	67.31" (1,709.67mm)	-6.04" (-153.41mm)	44th Driest	Driest since: 1920	2022
Sep 1918–Aug 1921 36-Month	61.27" (1,556.26mm)	67.31" (1,709.67mm)	-6.04" (-153.41mm)	82nd Wettest	Wettest since: 1917	1984
Sep 1917–Aug 1921 48-Month	77.40" (1,965.96mm)	89.50" (2,273.30mm)	-12.10" (-307.34mm)	22nd Driest	Driest since: 1920	2015
Sep 1917–Aug 1921 48-Month	77.40" (1,965.96mm)	89.50" (2,273.30mm)	-12.10" (-307.34mm)	103rd Wettest	Wettest since: 1919	1998
Sep 1916–Aug 1921 60-Month	96.39" (2,448.31mm)	111.68" (2,836.67mm)	-15.29" (-388.36mm)	17th Driest	Driest to Date	1991
Sep 1916–Aug 1921 60-Month	96.39" (2,448.31mm)	111.68" (2,836.67mm)	-15.29" (-388.36mm)	107th Wettest	Wettest since: 1920	1999

Citing This Page

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