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 2001

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2001
1-Month
0.30"
(7.62mm)
0.45"
(11.43mm)
-0.15"
(-3.81mm)
67th Driest
Driest since:
1974
62nd Wettest
Wettest since:
1918
Ties: 1962
Aug–Sep 2001
2-Month
0.35"
(8.89mm)
0.69"
(17.53mm)
-0.34"
(-8.64mm)
36th Driest
Driest since:
1937, 2018
93rd Wettest
Wettest since:
1983
Ties: 1899, 1900, 1953
Jul–Sep 2001
3-Month
0.63"
(16.00mm)
0.87"
(22.10mm)
-0.24"
(-6.10mm)
47th Driest
Driest since:
1928
82nd Wettest
Wettest since:
1976
Ties: 1917
Jun–Sep 2001
4-Month
0.86"
(21.84mm)
1.22"
(30.99mm)
-0.36"
(-9.15mm)
36th Driest
Driest since:
2002
93rd Wettest
Wettest since:
1982
Ties: 1930, 1943, 2009
May–Sep 2001
5-Month
1.01"
(25.65mm)
2.10"
(53.34mm)
-1.09"
(-27.69mm)
9th Driest
Driest since:
1924
120th Wettest
Wettest since:
1998
Apr–Sep 2001
6-Month
2.76"
(70.10mm)
3.74"
(95.00mm)
-0.98"
(-24.90mm)
34th Driest
Driest since:
1924
95th Wettest
Wettest since:
1896
Mar–Sep 2001
7-Month
4.97"
(126.24mm)
6.95"
(176.53mm)
-1.98"
(-50.29mm)
34th Driest
Driest since:
2008
95th Wettest
Wettest since:
1995
Feb–Sep 2001
8-Month
9.39"
(238.51mm)
10.80"
(274.32mm)
-1.41"
(-35.81mm)
61st Driest
Driest since:
2021
68th Wettest
Wettest since:
1998
Jan–Sep 2001
9-Month
12.91"
(327.91mm)
15.05"
(382.27mm)
-2.14"
(-54.36mm)
53rd Driest
Driest since:
2022
76th Wettest
Wettest since:
1998
Dec 2000–Sep 2001
10-Month
13.68"
(347.47mm)
18.67"
(474.22mm)
-4.99"
(-126.75mm)
28th Driest
Driest since:
1924
100th Wettest
Wettest since:
1983
Nov 2000–Sep 2001
11-Month
14.47"
(367.54mm)
21.25"
(539.75mm)
-6.78"
(-172.21mm)
15th Driest
Driest since:
1924
113th Wettest
Wettest since:
1983
Oct 2000–Sep 2001
12-Month
16.67"
(423.42mm)
22.45"
(570.23mm)
-5.78"
(-146.81mm)
26th Driest
Driest since:
1924
102nd Wettest
Wettest since:
1983
Ties: 1913, 1955
Apr 2000–Sep 2001
18-Month
20.40"
(518.16mm)
26.19"
(665.23mm)
-5.79"
(-147.07mm)
31st Driest
Driest since:
2021
97th Wettest
Wettest since:
1983
Oct 1999–Sep 2001
24-Month
37.90"
(962.66mm)
44.90"
(1,140.46mm)
-7.00"
(-177.80mm)
35th Driest
Driest since:
1977
92nd Wettest
Wettest since:
1983
Oct 1998–Sep 2001
36-Month
58.72"
(1,491.49mm)
67.32"
(1,709.93mm)
-8.60"
(-218.44mm)
33rd Driest
Driest since:
2022
93rd Wettest
Wettest since:
1984
Oct 1997–Sep 2001
48-Month
96.37"
(2,447.80mm)
89.51"
(2,273.55mm)
6.86"
(174.25mm)
92nd Driest
Driest since:
2015
33rd Wettest
Wettest since:
1998
Oct 1996–Sep 2001
60-Month
122.99"
(3,123.95mm)
111.69"
(2,836.93mm)
11.30"
(287.02mm)
100th Driest
Driest since:
1991
24th Wettest
Wettest since:
1999

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