Statewide Rankings

Statewide Data Info
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 1922

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1922
1-Month 		0.11"
(2.79mm)		 0.45"
(11.43mm)		 -0.34"
(-8.64mm)		 22nd Driest
Driest since:
 1974
107th Wettest
Wettest since:
 1918
Ties: 1926, 1947, 1949, 1988, 2002
Aug–Sep 1922
2-Month 		0.46"
(11.68mm)		 0.69"
(17.53mm)		 -0.23"
(-5.85mm)		 53rd Driest
Driest since:
 1937, 2018
76th Wettest
Wettest since:
 1983
Ties: 1911, 2021
Jul–Sep 1922
3-Month 		0.71"
(18.03mm)		 0.87"
(22.10mm)		 -0.16"
(-4.07mm)		 59th Driest
Driest since:
 1928
70th Wettest
Wettest since:
 1976
Ties: 1911
Jun–Sep 1922
4-Month 		1.05"
(26.67mm)		 1.22"
(30.99mm)		 -0.17"
(-4.32mm)		 58th Driest
Driest since:
 2002
71st Wettest
Wettest since:
 1982
Ties: 1938, 2017
May–Sep 1922
5-Month 		2.10"
(53.34mm)		 2.10"
(53.34mm)		 0.00"
(0.00mm)		 74th Driest
Driest since:
 1924
55th Wettest
Wettest since:
 1998
Ties: 2009
Apr–Sep 1922
6-Month 		2.73"
(69.34mm)		 3.74"
(95.00mm)		 -1.01"
(-25.66mm)		 32nd Driest
Driest since:
 1924
97th Wettest
Wettest since:
 1896
Mar–Sep 1922
7-Month 		5.73"
(145.54mm)		 6.95"
(176.53mm)		 -1.22"
(-30.99mm)		 52nd Driest
Driest since:
 2008
77th Wettest
Wettest since:
 1995
Feb–Sep 1922
8-Month 		11.28"
(286.51mm)		 10.80"
(274.32mm)		 0.48"
(12.19mm)		 80th Driest
Driest since:
 2021
49th Wettest
Wettest since:
 1998
Jan–Sep 1922
9-Month 		14.17"
(359.92mm)		 15.05"
(382.27mm)		 -0.88"
(-22.35mm)		 68th Driest
Driest since:
 2022
61st Wettest
Wettest since:
 1998
Dec 1921–Sep 1922
10-Month 		20.75"
(527.05mm)		 18.67"
(474.22mm)		 2.08"
(52.83mm)		 90th Driest
Driest since:
 1924
38th Wettest
Wettest since:
 1983
Nov 1921–Sep 1922
11-Month 		22.20"
(563.88mm)		 21.25"
(539.75mm)		 0.95"
(24.13mm)		 83rd Driest
Driest since:
 1924
45th Wettest
Wettest since:
 1983
Oct 1921–Sep 1922
12-Month 		23.08"
(586.23mm)		 22.45"
(570.23mm)		 0.63"
(16.00mm)		 78th Driest
Driest since:
 1924
50th Wettest
Wettest since:
 1983
Apr 1921–Sep 1922
18-Month 		26.25"
(666.75mm)		 26.19"
(665.23mm)		 0.06"
(1.52mm)		 76th Driest
Driest since:
 2021
52nd Wettest
Wettest since:
 1983
Oct 1920–Sep 1922
24-Month 		47.56"
(1,208.02mm)		 44.90"
(1,140.46mm)		 2.66"
(67.56mm)		 85th Driest
Driest since:
 1977
42nd Wettest
Wettest since:
 1983
Oct 1919–Sep 1922
36-Month 		63.59"
(1,615.19mm)		 67.32"
(1,709.93mm)		 -3.73"
(-94.74mm)		 54th Driest
Driest since:
 2022
72nd Wettest
Wettest since:
 1984
Oct 1918–Sep 1922
48-Month 		83.23"
(2,114.04mm)		 89.51"
(2,273.55mm)		 -6.28"
(-159.51mm)		 49th Driest
Driest since:
 2015
76th Wettest
Wettest since:
 1998
Oct 1917–Sep 1922
60-Month 		100.72"
(2,558.29mm)		 111.69"
(2,836.93mm)		 -10.97"
(-278.64mm)		 30th Driest
Driest since:
 1991
94th Wettest
Wettest since:
 1999

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