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 1981

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1981
1-Month
0.58"
(14.73mm)
0.45"
(11.43mm)
0.13"
(3.30mm)
95th Driest
Driest since:
1974
34th Wettest
Wettest since:
1918
Aug–Sep 1981
2-Month
0.68"
(17.27mm)
0.69"
(17.53mm)
-0.01"
(-0.26mm)
78th Driest
Driest since:
1937, 2018
51st Wettest
Wettest since:
1983
Jul–Sep 1981
3-Month
0.72"
(18.29mm)
0.87"
(22.10mm)
-0.15"
(-3.81mm)
61st Driest
Driest since:
1928
68th Wettest
Wettest since:
1976
Ties: 1906
Jun–Sep 1981
4-Month
0.81"
(20.57mm)
1.22"
(30.99mm)
-0.41"
(-10.42mm)
33rd Driest
Driest since:
2002
96th Wettest
Wettest since:
1982
May–Sep 1981
5-Month
1.71"
(43.43mm)
2.10"
(53.34mm)
-0.39"
(-9.91mm)
48th Driest
Driest since:
1924
81st Wettest
Wettest since:
1998
Apr–Sep 1981
6-Month
2.68"
(68.07mm)
3.74"
(95.00mm)
-1.06"
(-26.93mm)
30th Driest
Driest since:
1924
99th Wettest
Wettest since:
1896
Mar–Sep 1981
7-Month
6.72"
(170.69mm)
6.95"
(176.53mm)
-0.23"
(-5.84mm)
73rd Driest
Driest since:
2008
56th Wettest
Wettest since:
1995
Feb–Sep 1981
8-Month
8.80"
(223.52mm)
10.80"
(274.32mm)
-2.00"
(-50.80mm)
49th Driest
Driest since:
2021
80th Wettest
Wettest since:
1998
Jan–Sep 1981
9-Month
13.19"
(335.03mm)
15.05"
(382.27mm)
-1.86"
(-47.24mm)
56th Driest
Driest since:
2022
73rd Wettest
Wettest since:
1998
Dec 1980–Sep 1981
10-Month
15.81"
(401.57mm)
18.67"
(474.22mm)
-2.86"
(-72.65mm)
50th Driest
Driest since:
1924
78th Wettest
Wettest since:
1983
Nov 1980–Sep 1981
11-Month
16.44"
(417.58mm)
21.25"
(539.75mm)
-4.81"
(-122.17mm)
35th Driest
Driest since:
1924
93rd Wettest
Wettest since:
1983
Oct 1980–Sep 1981
12-Month
17.01"
(432.05mm)
22.45"
(570.23mm)
-5.44"
(-138.18mm)
32nd Driest
Driest since:
1924
96th Wettest
Wettest since:
1983
Ties: 1949
Apr 1980–Sep 1981
18-Month
20.36"
(517.14mm)
26.19"
(665.23mm)
-5.83"
(-148.09mm)
30th Driest
Driest since:
2021
98th Wettest
Wettest since:
1983
Oct 1979–Sep 1981
24-Month
45.51"
(1,155.95mm)
44.90"
(1,140.46mm)
0.61"
(15.49mm)
72nd Driest
Driest since:
1977
55th Wettest
Wettest since:
1983
Oct 1978–Sep 1981
36-Month
65.63"
(1,667.00mm)
67.32"
(1,709.93mm)
-1.69"
(-42.93mm)
66th Driest
Driest since:
2022
60th Wettest
Wettest since:
1984
Oct 1977–Sep 1981
48-Month
99.39"
(2,524.51mm)
89.51"
(2,273.55mm)
9.88"
(250.96mm)
100th Driest
Driest since:
2015
25th Wettest
Wettest since:
1998
Oct 1976–Sep 1981
60-Month
110.25"
(2,800.35mm)
111.69"
(2,836.93mm)
-1.44"
(-36.58mm)
67th Driest
Driest since:
1991
57th Wettest
Wettest since:
1999

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