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 1989

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1989
1-Month
1.33"
(33.78mm)
0.45"
(11.43mm)
0.88"
(22.35mm)
125th Driest
Driest since:
1974
4th Wettest
Wettest since:
1918
Aug–Sep 1989
2-Month
1.62"
(41.15mm)
0.69"
(17.53mm)
0.93"
(23.62mm)
124th Driest
Driest since:
1937, 2018
5th Wettest
Wettest since:
1983
Ties: 1977, 1982
Jul–Sep 1989
3-Month
1.66"
(42.16mm)
0.87"
(22.10mm)
0.79"
(20.06mm)
121st Driest
Driest since:
1928
8th Wettest
Wettest since:
1976
Jun–Sep 1989
4-Month
1.97"
(50.04mm)
1.22"
(30.99mm)
0.75"
(19.05mm)
118th Driest
Driest since:
2002
11th Wettest
Wettest since:
1982
May–Sep 1989
5-Month
2.74"
(69.60mm)
2.10"
(53.34mm)
0.64"
(16.26mm)
108th Driest
Driest since:
1924
21st Wettest
Wettest since:
1998
Apr–Sep 1989
6-Month
3.57"
(90.68mm)
3.74"
(95.00mm)
-0.17"
(-4.32mm)
77th Driest
Driest since:
1924
52nd Wettest
Wettest since:
1896
Ties: 1930
Mar–Sep 1989
7-Month
8.67"
(220.22mm)
6.95"
(176.53mm)
1.72"
(43.69mm)
103rd Driest
Driest since:
2008
26th Wettest
Wettest since:
1995
Feb–Sep 1989
8-Month
10.24"
(260.10mm)
10.80"
(274.32mm)
-0.56"
(-14.22mm)
68th Driest
Driest since:
2021
61st Wettest
Wettest since:
1998
Jan–Sep 1989
9-Month
11.83"
(300.48mm)
15.05"
(382.27mm)
-3.22"
(-81.79mm)
45th Driest
Driest since:
2022
84th Wettest
Wettest since:
1998
Dec 1988–Sep 1989
10-Month
14.89"
(378.21mm)
18.67"
(474.22mm)
-3.78"
(-96.01mm)
40th Driest
Driest since:
1924
88th Wettest
Wettest since:
1983
Nov 1988–Sep 1989
11-Month
19.09"
(484.89mm)
21.25"
(539.75mm)
-2.16"
(-54.86mm)
60th Driest
Driest since:
1924
68th Wettest
Wettest since:
1983
Oct 1988–Sep 1989
12-Month
19.19"
(487.43mm)
22.45"
(570.23mm)
-3.26"
(-82.80mm)
54th Driest
Driest since:
1924
74th Wettest
Wettest since:
1983
Apr 1988–Sep 1989
18-Month
23.70"
(601.98mm)
26.19"
(665.23mm)
-2.49"
(-63.25mm)
54th Driest
Driest since:
2021
74th Wettest
Wettest since:
1983
Oct 1987–Sep 1989
24-Month
37.56"
(954.02mm)
44.90"
(1,140.46mm)
-7.34"
(-186.44mm)
32nd Driest
Driest since:
1977
95th Wettest
Wettest since:
1983
Oct 1986–Sep 1989
36-Month
51.53"
(1,308.86mm)
67.32"
(1,709.93mm)
-15.79"
(-401.07mm)
10th Driest
Driest since:
2022
116th Wettest
Wettest since:
1984
Oct 1985–Sep 1989
48-Month
79.96"
(2,030.98mm)
89.51"
(2,273.55mm)
-9.55"
(-242.57mm)
38th Driest
Driest since:
2015
87th Wettest
Wettest since:
1998
Oct 1984–Sep 1989
60-Month
98.20"
(2,494.28mm)
111.69"
(2,836.93mm)
-13.49"
(-342.65mm)
24th Driest
Driest since:
1991
100th Wettest
Wettest since:
1999

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