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 1986

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1986
1-Month
1.40"
(35.56mm)
0.45"
(11.43mm)
0.95"
(24.13mm)
126th Driest
Driest since:
1974
3rd Wettest
Wettest since:
1918
Aug–Sep 1986
2-Month
1.52"
(38.61mm)
0.69"
(17.53mm)
0.83"
(21.08mm)
120th Driest
Driest since:
1937, 2018
9th Wettest
Wettest since:
1983
Jul–Sep 1986
3-Month
1.74"
(44.20mm)
0.87"
(22.10mm)
0.87"
(22.10mm)
123rd Driest
Driest since:
1928
6th Wettest
Wettest since:
1976
Jun–Sep 1986
4-Month
1.82"
(46.23mm)
1.22"
(30.99mm)
0.60"
(15.24mm)
113th Driest
Driest since:
2002
16th Wettest
Wettest since:
1982
Ties: 1978
May–Sep 1986
5-Month
2.52"
(64.01mm)
2.10"
(53.34mm)
0.42"
(10.67mm)
91st Driest
Driest since:
1924
38th Wettest
Wettest since:
1998
Apr–Sep 1986
6-Month
3.52"
(89.41mm)
3.74"
(95.00mm)
-0.22"
(-5.59mm)
72nd Driest
Driest since:
1924
57th Wettest
Wettest since:
1896
Ties: 1944
Mar–Sep 1986
7-Month
8.22"
(208.79mm)
6.95"
(176.53mm)
1.27"
(32.26mm)
96th Driest
Driest since:
2008
33rd Wettest
Wettest since:
1995
Ties: 1920
Feb–Sep 1986
8-Month
17.55"
(445.77mm)
10.80"
(274.32mm)
6.75"
(171.45mm)
121st Driest
Driest since:
2021
8th Wettest
Wettest since:
1998
Jan–Sep 1986
9-Month
21.35"
(542.29mm)
15.05"
(382.27mm)
6.30"
(160.02mm)
114th Driest
Driest since:
2022
15th Wettest
Wettest since:
1998
Ties: 1904
Dec 1985–Sep 1986
10-Month
23.44"
(595.38mm)
18.67"
(474.22mm)
4.77"
(121.16mm)
104th Driest
Driest since:
1924
24th Wettest
Wettest since:
1983
Ties: 1980
Nov 1985–Sep 1986
11-Month
27.28"
(692.91mm)
21.25"
(539.75mm)
6.03"
(153.16mm)
107th Driest
Driest since:
1924
21st Wettest
Wettest since:
1983
Oct 1985–Sep 1986
12-Month
28.43"
(722.12mm)
22.45"
(570.23mm)
5.98"
(151.89mm)
109th Driest
Driest since:
1924
19th Wettest
Wettest since:
1983
Apr 1985–Sep 1986
18-Month
30.51"
(774.95mm)
26.19"
(665.23mm)
4.32"
(109.72mm)
99th Driest
Driest since:
2021
29th Wettest
Wettest since:
1983
Oct 1984–Sep 1986
24-Month
46.67"
(1,185.42mm)
44.90"
(1,140.46mm)
1.77"
(44.96mm)
81st Driest
Driest since:
1977
46th Wettest
Wettest since:
1983
Oct 1983–Sep 1986
36-Month
69.05"
(1,753.87mm)
67.32"
(1,709.93mm)
1.73"
(43.94mm)
76th Driest
Driest since:
2022
50th Wettest
Wettest since:
1984
Oct 1982–Sep 1986
48-Month
109.46"
(2,780.28mm)
89.51"
(2,273.55mm)
19.95"
(506.73mm)
116th Driest
Driest since:
2015
9th Wettest
Wettest since:
1998
Oct 1981–Sep 1986
60-Month
141.87"
(3,603.50mm)
111.69"
(2,836.93mm)
30.18"
(766.57mm)
122nd Driest
Driest since:
1991
2nd Wettest
Wettest to Date
1999

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