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 1925

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 1925
1-Month
0.70"
(17.78mm)
0.45"
(11.43mm)
0.25"
(6.35mm)
102nd Driest
Driest since:
1974
27th Wettest
Wettest since:
1918
Aug–Sep 1925
2-Month
1.05"
(26.67mm)
0.69"
(17.53mm)
0.36"
(9.14mm)
105th Driest
Driest since:
1937, 2018
24th Wettest
Wettest since:
1983
Jul–Sep 1925
3-Month
1.30"
(33.02mm)
0.87"
(22.10mm)
0.43"
(10.92mm)
105th Driest
Driest since:
1928
24th Wettest
Wettest since:
1976
Jun–Sep 1925
4-Month
1.84"
(46.74mm)
1.22"
(30.99mm)
0.62"
(15.75mm)
115th Driest
Driest since:
2002
14th Wettest
Wettest since:
1982
Ties: 1998
May–Sep 1925
5-Month
3.43"
(87.12mm)
2.10"
(53.34mm)
1.33"
(33.78mm)
122nd Driest
Driest since:
1924
7th Wettest
Wettest since:
1998
Apr–Sep 1925
6-Month
6.25"
(158.75mm)
3.74"
(95.00mm)
2.51"
(63.75mm)
120th Driest
Driest since:
1924
9th Wettest
Wettest since:
1896
Mar–Sep 1925
7-Month
8.58"
(217.93mm)
6.95"
(176.53mm)
1.63"
(41.40mm)
102nd Driest
Driest since:
2008
27th Wettest
Wettest since:
1995
Feb–Sep 1925
8-Month
13.92"
(353.57mm)
10.80"
(274.32mm)
3.12"
(79.25mm)
108th Driest
Driest since:
2021
21st Wettest
Wettest since:
1998
Jan–Sep 1925
9-Month
15.30"
(388.62mm)
15.05"
(382.27mm)
0.25"
(6.35mm)
80th Driest
Driest since:
2022
49th Wettest
Wettest since:
1998
Dec 1924–Sep 1925
10-Month
19.02"
(483.11mm)
18.67"
(474.22mm)
0.35"
(8.89mm)
76th Driest
Driest since:
1924
52nd Wettest
Wettest since:
1983
Nov 1924–Sep 1925
11-Month
21.12"
(536.45mm)
21.25"
(539.75mm)
-0.13"
(-3.30mm)
74th Driest
Driest since:
1924
54th Wettest
Wettest since:
1983
Oct 1924–Sep 1925
12-Month
24.04"
(610.62mm)
22.45"
(570.23mm)
1.59"
(40.39mm)
83rd Driest
Driest since:
1924
45th Wettest
Wettest since:
1983
Apr 1924–Sep 1925
18-Month
25.23"
(640.84mm)
26.19"
(665.23mm)
-0.96"
(-24.39mm)
65th Driest
Driest since:
2021
63rd Wettest
Wettest since:
1983
Oct 1923–Sep 1925
24-Month
33.98"
(863.09mm)
44.90"
(1,140.46mm)
-10.92"
(-277.37mm)
17th Driest
Driest since:
1977
110th Wettest
Wettest since:
1983
Oct 1922–Sep 1925
36-Month
54.29"
(1,378.97mm)
67.32"
(1,709.93mm)
-13.03"
(-330.96mm)
20th Driest
Driest since:
2022
106th Wettest
Wettest since:
1984
Oct 1921–Sep 1925
48-Month
77.37"
(1,965.20mm)
89.51"
(2,273.55mm)
-12.14"
(-308.35mm)
22nd Driest
Driest since:
2015
103rd Wettest
Wettest since:
1998
Oct 1920–Sep 1925
60-Month
101.85"
(2,586.99mm)
111.69"
(2,836.93mm)
-9.84"
(-249.94mm)
39th Driest
Driest since:
1991
85th Wettest
Wettest since:
1999

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