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, August 2011

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 2011
1-Month 		0.10"
(2.54mm)		 0.24"
(6.10mm)		 -0.14"
(-3.56mm)		 31st Driest
Driest since:
 1937, 2002
98th Wettest
Wettest since:
 1983
Ties: 1927, 1981, 2010, 2020, 2021
Jul–Aug 2011
2-Month 		0.32"
(8.13mm)		 0.42"
(10.67mm)		 -0.10"
(-2.54mm)		 53rd Driest
Driest since:
 1940
76th Wettest
Wettest since:
 1983
Ties: 1915, 1942, 1947, 1963, 1966, 1970
Jun–Aug 2011
3-Month 		1.24"
(31.50mm)		 0.77"
(19.56mm)		 0.47"
(11.94mm)		 119th Driest
Driest since:
 2002
10th Wettest
Wettest since:
 1913
May–Aug 2011
4-Month 		2.68"
(68.07mm)		 1.65"
(41.91mm)		 1.03"
(26.16mm)		 116th Driest
Driest since:
 1924
13th Wettest
Wettest since:
 1998
Apr–Aug 2011
5-Month 		3.78"
(96.01mm)		 3.28"
(83.31mm)		 0.50"
(12.70mm)		 93rd Driest
Driest since:
 2021
36th Wettest
Wettest since:
 1896
Ties: 1901, 1956
Mar–Aug 2011
6-Month 		10.19"
(258.83mm)		 6.50"
(165.10mm)		 3.69"
(93.73mm)		 115th Driest
Driest since:
 2008
14th Wettest
Wettest since:
 1995
Feb–Aug 2011
7-Month 		13.53"
(343.66mm)		 10.35"
(262.89mm)		 3.18"
(80.77mm)		 107th Driest
Driest since:
 1997, 2021
22nd Wettest
Wettest since:
 1998
Jan–Aug 2011
8-Month 		14.81"
(376.17mm)		 14.60"
(370.84mm)		 0.21"
(5.33mm)		 79th Driest
Driest since:
 2022
50th Wettest
Wettest since:
 1995
Dec 2010–Aug 2011
9-Month 		22.94"
(582.68mm)		 18.22"
(462.79mm)		 4.72"
(119.89mm)		 104th Driest
Driest since:
 1924
24th Wettest
Wettest since:
 1998
Nov 2010–Aug 2011
10-Month 		25.54"
(648.72mm)		 20.80"
(528.32mm)		 4.74"
(120.40mm)		 101st Driest
Driest since:
 1924
27th Wettest
Wettest since:
 1983
Oct 2010–Aug 2011
11-Month 		28.54"
(724.92mm)		 22.00"
(558.80mm)		 6.54"
(166.12mm)		 111th Driest
Driest since:
 1924
17th Wettest
Wettest since:
 1983
Sep 2010–Aug 2011
12-Month 		28.70"
(728.98mm)		 22.44"
(569.98mm)		 6.26"
(159.00mm)		 111th Driest
Driest since:
 2021
17th Wettest
Wettest since:
 1983
Mar 2010–Aug 2011
18-Month 		35.86"
(910.84mm)		 28.96"
(735.58mm)		 6.90"
(175.26mm)		 108th Driest
Driest since:
 1977
20th Wettest
Wettest since:
 1983
Sep 2009–Aug 2011
24-Month 		52.29"
(1,328.17mm)		 44.90"
(1,140.46mm)		 7.39"
(187.71mm)		 107th Driest
Driest since:
 1977
20th Wettest
Wettest since:
 1983
Sep 2008–Aug 2011
36-Month 		69.24"
(1,758.70mm)		 67.31"
(1,709.67mm)		 1.93"
(49.03mm)		 78th Driest
Driest since:
 2022
48th Wettest
Wettest since:
 1984
Sep 2007–Aug 2011
48-Month 		86.92"
(2,207.77mm)		 89.50"
(2,273.30mm)		 -2.58"
(-65.53mm)		 59th Driest
Driest since:
 2015
66th Wettest
Wettest since:
 1998
Sep 2006–Aug 2011
60-Month 		100.44"
(2,551.18mm)		 111.68"
(2,836.67mm)		 -11.24"
(-285.49mm)		 29th Driest
Driest since:
 1991
95th Wettest
Wettest since:
 1999

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