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, October 1899

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 1899
1-Month		3.46"
(87.88mm)		1.20"
(30.48mm)		2.26"
(57.40mm)		124th Driest
Driest since:
1917
5th Wettest
Wettest to Date
1962
Sep–Oct 1899
2-Month		3.59"
(91.19mm)		1.65"
(41.91mm)		1.94"
(49.28mm)		120th Driest
Driest since:
2020
9th Wettest
Wettest to Date
1962
Aug–Oct 1899
3-Month		3.81"
(96.77mm)		1.89"
(48.01mm)		1.92"
(48.76mm)		121st Driest
Driest since:
1995, 2002
8th Wettest
Wettest to Date
1962
Jul–Oct 1899
4-Month		3.87"
(98.30mm)		2.07"
(52.58mm)		1.80"
(45.72mm)		120th Driest
Driest since:
2002, 2020
9th Wettest
Wettest to Date
1962
Jun–Oct 1899
5-Month		4.36"
(110.74mm)		2.42"
(61.47mm)		1.94"
(49.27mm)		123rd Driest
Driest since:
2002
6th Wettest
Wettest to Date
1982
May–Oct 1899
6-Month		5.35"
(135.89mm)		3.30"
(83.82mm)		2.05"
(52.07mm)		123rd Driest
Driest since:
2002
6th Wettest
Wettest to Date
1957
Apr–Oct 1899
7-Month		6.06"
(153.92mm)		4.93"
(125.22mm)		1.13"
(28.70mm)		101st Driest
Driest since:
2002
28th Wettest
Wettest since:
1963
Mar–Oct 1899
8-Month		11.51"
(292.35mm)		8.14"
(206.76mm)		3.37"
(85.59mm)		110th Driest
Driest since:
2008
19th Wettest
Wettest since:
1983
Feb–Oct 1899
9-Month		12.32"
(312.93mm)		11.99"
(304.55mm)		0.33"
(8.38mm)		78th Driest
Driest since:
1966
51st Wettest
Wettest since:
1998
Jan–Oct 1899
10-Month		17.09"
(434.09mm)		16.24"
(412.50mm)		0.85"
(21.59mm)		80th Driest
Driest since:
2022
49th Wettest
Wettest since:
1998
Dec 1898–Oct 1899
11-Month		18.48"
(469.39mm)		19.87"
(504.70mm)		-1.39"
(-35.31mm)		62nd Driest
Driest since:
1977
66th Wettest
Wettest since:
1983
Nov 1898–Oct 1899
12-Month		19.89"
(505.21mm)		22.44"
(569.98mm)		-2.55"
(-64.77mm)		56th Driest
Driest since:
1977
72nd Wettest
Wettest since:
1983
May 1898–Oct 1899
18-Month		23.70"
(601.98mm)		25.75"
(654.05mm)		-2.05"
(-52.07mm)		57th Driest
Driest since:
1977
71st Wettest
Wettest since:
1983
Nov 1897–Oct 1899
24-Month		33.81"
(858.77mm)		44.87"
(1,139.70mm)		-11.06"
(-280.93mm)		18th Driest
Driest to Date
1977
109th Wettest
Wettest since:
1983
Nov 1896–Oct 1899
36-Month		59.42"
(1,509.27mm)		67.29"
(1,709.17mm)		-7.87"
(-199.90mm)		37th Driest
Driest to Date
2022
89th Wettest
Wettest since:
1984
Nov 1895–Oct 1899
48-Month		85.16"
(2,163.06mm)		89.47"
(2,272.54mm)		-4.31"
(-109.48mm)		54th Driest
Driest to Date
2015
71st Wettest
Wettest to Date
1998

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