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 2010

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 2010
1-Month 		3.00"
(76.20mm)		 1.20"
(30.48mm)		 1.80"
(45.72mm)		 122nd Driest
Driest since:
 1917
7th Wettest
Wettest since:
 1962
Sep–Oct 2010
2-Month 		3.16"
(80.26mm)		 1.65"
(41.91mm)		 1.51"
(38.35mm)		 118th Driest
Driest since:
 2020
11th Wettest
Wettest since:
 1962
Aug–Oct 2010
3-Month 		3.26"
(82.80mm)		 1.89"
(48.01mm)		 1.37"
(34.79mm)		 116th Driest
Driest since:
 1995, 2002
13th Wettest
Wettest since:
 1962
Jul–Oct 2010
4-Month 		3.33"
(84.58mm)		 2.07"
(52.58mm)		 1.26"
(32.00mm)		 115th Driest
Driest since:
 2002, 2020
14th Wettest
Wettest since:
 1962
Ties: 1983
Jun–Oct 2010
5-Month 		3.59"
(91.19mm)		 2.42"
(61.47mm)		 1.17"
(29.72mm)		 113th Driest
Driest since:
 2002
16th Wettest
Wettest since:
 1982
May–Oct 2010
6-Month 		4.66"
(118.36mm)		 3.30"
(83.82mm)		 1.36"
(34.54mm)		 114th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 1957
Ties: 2021
Apr–Oct 2010
7-Month 		8.13"
(206.50mm)		 4.93"
(125.22mm)		 3.20"
(81.28mm)		 124th Driest
Driest since:
 2002
5th Wettest
Wettest since:
 1963
Mar–Oct 2010
8-Month 		10.32"
(262.13mm)		 8.14"
(206.76mm)		 2.18"
(55.37mm)		 103rd Driest
Driest since:
 2008
26th Wettest
Wettest since:
 1983
Feb–Oct 2010
9-Month 		13.97"
(354.84mm)		 11.99"
(304.55mm)		 1.98"
(50.29mm)		 93rd Driest
Driest since:
 1966
36th Wettest
Wettest since:
 1998
Jan–Oct 2010
10-Month 		20.45"
(519.43mm)		 16.24"
(412.50mm)		 4.21"
(106.93mm)		 105th Driest
Driest since:
 2022
24th Wettest
Wettest since:
 1998
Dec 2009–Oct 2010
11-Month 		23.60"
(599.44mm)		 19.87"
(504.70mm)		 3.73"
(94.74mm)		 95th Driest
Driest since:
 1977
33rd Wettest
Wettest since:
 1983
Nov 2009–Oct 2010
12-Month 		24.59"
(624.59mm)		 22.44"
(569.98mm)		 2.15"
(54.61mm)		 86th Driest
Driest since:
 1977
42nd Wettest
Wettest since:
 1983
May 2009–Oct 2010
18-Month 		28.76"
(730.50mm)		 25.75"
(654.05mm)		 3.01"
(76.45mm)		 88th Driest
Driest since:
 1977
40th Wettest
Wettest since:
 1983
Nov 2008–Oct 2010
24-Month 		42.96"
(1,091.18mm)		 44.87"
(1,139.70mm)		 -1.91"
(-48.52mm)		 55th Driest
Driest since:
 1977
72nd Wettest
Wettest since:
 1983
Nov 2007–Oct 2010
36-Month 		59.38"
(1,508.25mm)		 67.29"
(1,709.17mm)		 -7.91"
(-200.92mm)		 35th Driest
Driest since:
 2022
91st Wettest
Wettest since:
 1984
Nov 2006–Oct 2010
48-Month 		74.39"
(1,889.51mm)		 89.47"
(2,272.54mm)		 -15.08"
(-383.03mm)		 19th Driest
Driest since:
 2015
106th Wettest
Wettest since:
 1998
Nov 2005–Oct 2010
60-Month 		102.86"
(2,612.64mm)		 111.65"
(2,835.91mm)		 -8.79"
(-223.27mm)		 43rd Driest
Driest since:
 1991
81st Wettest
Wettest since:
 1999

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