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 1899

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1899
1-Month 		0.22"
(5.59mm)		 0.24"
(6.10mm)		 -0.02"
(-0.51mm)		 74th Driest
Driest since:
 1937, 2002
55th Wettest
Wettest since:
 1983
Ties: 1917, 1959, 1978, 1993
Jul–Aug 1899
2-Month 		0.28"
(7.11mm)		 0.42"
(10.67mm)		 -0.14"
(-3.56mm)		 39th Driest
Driest since:
 1940
90th Wettest
Wettest since:
 1983
Ties: 1927
Jun–Aug 1899
3-Month 		0.77"
(19.56mm)		 0.77"
(19.56mm)		 0.00"
(0.00mm)		 71st Driest
Driest since:
 2002
58th Wettest
Wettest since:
 1913
Ties: 1999, 2009
May–Aug 1899
4-Month 		1.76"
(44.70mm)		 1.65"
(41.91mm)		 0.11"
(2.79mm)		 83rd Driest
Driest since:
 1924
46th Wettest
Wettest since:
 1998
Apr–Aug 1899
5-Month 		2.47"
(62.74mm)		 3.29"
(83.57mm)		 -0.82"
(-20.83mm)		 36th Driest
Driest since:
 2021
93rd Wettest
Wettest since:
 1896
Ties: 1934
Mar–Aug 1899
6-Month 		7.92"
(201.17mm)		 6.50"
(165.10mm)		 1.42"
(36.07mm)		 100th Driest
Driest since:
 2008
29th Wettest
Wettest since:
 1995
Feb–Aug 1899
7-Month 		8.73"
(221.74mm)		 10.35"
(262.89mm)		 -1.62"
(-41.15mm)		 55th Driest
Driest since:
 1997, 2021
74th Wettest
Wettest since:
 1998
Jan–Aug 1899
8-Month 		13.50"
(342.90mm)		 14.60"
(370.84mm)		 -1.10"
(-27.94mm)		 66th Driest
Driest since:
 2022
63rd Wettest
Wettest since:
 1995
Dec 1898–Aug 1899
9-Month 		14.89"
(378.21mm)		 18.22"
(462.79mm)		 -3.33"
(-84.58mm)		 45th Driest
Driest since:
 1924
83rd Wettest
Wettest since:
 1998
Nov 1898–Aug 1899
10-Month 		16.30"
(414.02mm)		 20.80"
(528.32mm)		 -4.50"
(-114.30mm)		 39th Driest
Driest since:
 1924
89th Wettest
Wettest since:
 1983
Oct 1898–Aug 1899
11-Month 		17.00"
(431.80mm)		 22.00"
(558.80mm)		 -5.00"
(-127.00mm)		 37th Driest
Driest since:
 1924
91st Wettest
Wettest since:
 1983
Sep 1898–Aug 1899
12-Month 		17.63"
(447.80mm)		 22.44"
(569.98mm)		 -4.81"
(-122.18mm)		 41st Driest
Driest since:
 2021
87th Wettest
Wettest since:
 1983
Mar 1898–Aug 1899
18-Month 		21.57"
(547.88mm)		 28.96"
(735.58mm)		 -7.39"
(-187.70mm)		 16th Driest
Driest since:
 1977
112th Wettest
Wettest since:
 1983
Sep 1897–Aug 1899
24-Month 		32.55"
(826.77mm)		 44.90"
(1,140.46mm)		 -12.35"
(-313.69mm)		 9th Driest
Driest to Date
 1977
118th Wettest
Wettest since:
 1983
Sep 1896–Aug 1899
36-Month 		57.80"
(1,468.12mm)		 67.31"
(1,709.67mm)		 -9.51"
(-241.55mm)		 30th Driest
Driest to Date
 2022
96th Wettest
Wettest since:
 1984
Sep 1895–Aug 1899
48-Month 		82.98"
(2,107.69mm)		 89.50"
(2,273.30mm)		 -6.52"
(-165.61mm)		 46th Driest
Driest to Date
 2015
79th Wettest
Wettest to Date
 1998

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