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 2008

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2008
1-Month
0.04"
(1.02mm)
0.45"
(11.43mm)
-0.41"
(-10.41mm)
2nd Driest
Driest since:
1974
127th Wettest
Wettest since:
1918
Ties: 1953, 1970, 1993, 2020
Aug–Sep 2008
2-Month
0.16"
(4.06mm)
0.69"
(17.53mm)
-0.53"
(-13.47mm)
10th Driest
Driest since:
1937, 2018
119th Wettest
Wettest since:
1983
Ties: 2016
Jul–Sep 2008
3-Month
0.30"
(7.62mm)
0.87"
(22.10mm)
-0.57"
(-14.48mm)
10th Driest
Driest since:
1928
119th Wettest
Wettest since:
1976
Ties: 1995
Jun–Sep 2008
4-Month
0.33"
(8.38mm)
1.22"
(30.99mm)
-0.89"
(-22.61mm)
3rd Driest
Driest since:
2002
126th Wettest
Wettest since:
1982
May–Sep 2008
5-Month
0.87"
(22.10mm)
2.10"
(53.34mm)
-1.23"
(-31.24mm)
4th Driest
Driest since:
1924
125th Wettest
Wettest since:
1998
Ties: 1903
Apr–Sep 2008
6-Month
1.21"
(30.73mm)
3.74"
(95.00mm)
-2.53"
(-64.27mm)
2nd Driest
Driest since:
1924
127th Wettest
Wettest since:
1896
Mar–Sep 2008
7-Month
1.82"
(46.23mm)
6.95"
(176.53mm)
-5.13"
(-130.30mm)
1st Driest
Driest since:
2008
128th Wettest
Wettest since:
1995
Feb–Sep 2008
8-Month
4.58"
(116.33mm)
10.80"
(274.32mm)
-6.22"
(-157.99mm)
2nd Driest
Driest since:
2021
127th Wettest
Wettest since:
1998
Jan–Sep 2008
9-Month
11.69"
(296.93mm)
15.05"
(382.27mm)
-3.36"
(-85.34mm)
43rd Driest
Driest since:
2022
86th Wettest
Wettest since:
1998
Dec 2007–Sep 2008
10-Month
14.90"
(378.46mm)
18.67"
(474.22mm)
-3.77"
(-95.76mm)
41st Driest
Driest since:
1924
87th Wettest
Wettest since:
1983
Nov 2007–Sep 2008
11-Month
15.72"
(399.29mm)
21.25"
(539.75mm)
-5.53"
(-140.46mm)
27th Driest
Driest since:
1924
101st Wettest
Wettest since:
1983
Ties: 2015
Oct 2007–Sep 2008
12-Month
17.22"
(437.39mm)
22.45"
(570.23mm)
-5.23"
(-132.84mm)
36th Driest
Driest since:
1924
92nd Wettest
Wettest since:
1983
Apr 2007–Sep 2008
18-Month
19.73"
(501.14mm)
26.19"
(665.23mm)
-6.46"
(-164.09mm)
22nd Driest
Driest since:
2021
106th Wettest
Wettest since:
1983
Oct 2006–Sep 2008
24-Month
31.18"
(791.97mm)
44.90"
(1,140.46mm)
-13.72"
(-348.49mm)
7th Driest
Driest since:
1977
120th Wettest
Wettest since:
1983
Oct 2005–Sep 2008
36-Month
60.20"
(1,529.08mm)
67.32"
(1,709.93mm)
-7.12"
(-180.85mm)
42nd Driest
Driest since:
2022
84th Wettest
Wettest since:
1984
Oct 2004–Sep 2008
48-Month
90.14"
(2,289.56mm)
89.51"
(2,273.55mm)
0.63"
(16.01mm)
73rd Driest
Driest since:
2015
52nd Wettest
Wettest since:
1998
Oct 2003–Sep 2008
60-Month
109.20"
(2,773.68mm)
111.69"
(2,836.93mm)
-2.49"
(-63.25mm)
63rd Driest
Driest since:
1991
61st Wettest
Wettest since:
1999

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