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 1979

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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
September 1979 1-Month	0.24" (6.10mm)	0.45" (11.43mm)	-0.21" (-5.33mm)	49th Driest	Driest since: 1974	1974
	0.24" (6.10mm)	0.45" (11.43mm)	-0.21" (-5.33mm)	80th Wettest	Wettest since: 1978	1918
	Ties: 1903, 1946, 1991
Aug–Sep 1979 2-Month	0.69" (17.53mm)	0.69" (17.53mm)	0.00" (0.00mm)	79th Driest	Driest since: 1975	1937, 2018
Aug–Sep 1979 2-Month	0.69" (17.53mm)	0.69" (17.53mm)	0.00" (0.00mm)	50th Wettest	Wettest since: 1978	1983
Jul–Sep 1979 3-Month	1.07" (27.18mm)	0.87" (22.10mm)	0.20" (5.08mm)	95th Driest	Driest since: 1975	1928
	1.07" (27.18mm)	0.87" (22.10mm)	0.20" (5.08mm)	34th Wettest	Wettest since: 1978	1976
	Ties: 1998, 2015
Jun–Sep 1979 4-Month	1.12" (28.45mm)	1.22" (30.99mm)	-0.10" (-2.54mm)	64th Driest	Driest since: 1975	2002
Jun–Sep 1979 4-Month	1.12" (28.45mm)	1.22" (30.99mm)	-0.10" (-2.54mm)	65th Wettest	Wettest since: 1978	1982
May–Sep 1979 5-Month	1.96" (49.78mm)	2.10" (53.34mm)	-0.14" (-3.56mm)	65th Driest	Driest since: 1975	1924
May–Sep 1979 5-Month	1.96" (49.78mm)	2.10" (53.34mm)	-0.14" (-3.56mm)	64th Wettest	Wettest since: 1978	1998
Apr–Sep 1979 6-Month	3.08" (78.23mm)	3.74" (95.00mm)	-0.66" (-16.77mm)	42nd Driest	Driest since: 1974	1924
Apr–Sep 1979 6-Month	3.08" (78.23mm)	3.74" (95.00mm)	-0.66" (-16.77mm)	87th Wettest	Wettest since: 1978	1896
Mar–Sep 1979 7-Month	6.52" (165.61mm)	6.95" (176.53mm)	-0.43" (-10.92mm)	70th Driest	Driest since: 1977	2008
Mar–Sep 1979 7-Month	6.52" (165.61mm)	6.95" (176.53mm)	-0.43" (-10.92mm)	59th Wettest	Wettest since: 1978	1995
Feb–Sep 1979 8-Month	11.38" (289.05mm)	10.80" (274.32mm)	0.58" (14.73mm)	83rd Driest	Driest since: 1977	2021
Feb–Sep 1979 8-Month	11.38" (289.05mm)	10.80" (274.32mm)	0.58" (14.73mm)	46th Wettest	Wettest since: 1978	1998
Jan–Sep 1979 9-Month	16.43" (417.32mm)	15.05" (382.27mm)	1.38" (35.05mm)	89th Driest	Driest since: 1977	2022
Jan–Sep 1979 9-Month	16.43" (417.32mm)	15.05" (382.27mm)	1.38" (35.05mm)	40th Wettest	Wettest since: 1978	1998
Dec 1978–Sep 1979 10-Month	17.96" (456.18mm)	18.67" (474.22mm)	-0.71" (-18.04mm)	71st Driest	Driest since: 1977	1924
Dec 1978–Sep 1979 10-Month	17.96" (456.18mm)	18.67" (474.22mm)	-0.71" (-18.04mm)	57th Wettest	Wettest since: 1978	1983
Nov 1978–Sep 1979 11-Month	19.92" (505.97mm)	21.25" (539.75mm)	-1.33" (-33.78mm)	63rd Driest	Driest since: 1977	1924
Nov 1978–Sep 1979 11-Month	19.92" (505.97mm)	21.25" (539.75mm)	-1.33" (-33.78mm)	65th Wettest	Wettest since: 1978	1983
Oct 1978–Sep 1979 12-Month	20.12" (511.05mm)	22.45" (570.23mm)	-2.33" (-59.18mm)	58th Driest	Driest since: 1977	1924
Oct 1978–Sep 1979 12-Month	20.12" (511.05mm)	22.45" (570.23mm)	-2.33" (-59.18mm)	70th Wettest	Wettest since: 1978	1983
Apr 1978–Sep 1979 18-Month	25.80" (655.32mm)	26.19" (665.23mm)	-0.39" (-9.91mm)	70th Driest	Driest since: 1977	2021
	25.80" (655.32mm)	26.19" (665.23mm)	-0.39" (-9.91mm)	58th Wettest	Wettest since: 1978	1983
	Ties: 1945
Oct 1977–Sep 1979 24-Month	53.88" (1,368.55mm)	44.90" (1,140.46mm)	8.98" (228.09mm)	113th Driest	Driest since: 1978	1977
Oct 1977–Sep 1979 24-Month	53.88" (1,368.55mm)	44.90" (1,140.46mm)	8.98" (228.09mm)	14th Wettest	Wettest since: 1970	1983
Oct 1976–Sep 1979 36-Month	64.74" (1,644.40mm)	67.32" (1,709.93mm)	-2.58" (-65.53mm)	61st Driest	Driest since: 1978	2022
Oct 1976–Sep 1979 36-Month	64.74" (1,644.40mm)	67.32" (1,709.93mm)	-2.58" (-65.53mm)	65th Wettest	Wettest since: 1975	1984
Oct 1975–Sep 1979 48-Month	79.40" (2,016.76mm)	89.51" (2,273.55mm)	-10.11" (-256.79mm)	32nd Driest	Driest since: 1977	2015
	79.40" (2,016.76mm)	89.51" (2,273.55mm)	-10.11" (-256.79mm)	93rd Wettest	Wettest since: 1978	1998
	Ties: 1948
Oct 1974–Sep 1979 60-Month	101.46" (2,577.08mm)	111.69" (2,836.93mm)	-10.23" (-259.85mm)	36th Driest	Driest since: 1977	1991
Oct 1974–Sep 1979 60-Month	101.46" (2,577.08mm)	111.69" (2,836.93mm)	-10.23" (-259.85mm)	88th Wettest	Wettest since: 1978	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings