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 2002

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 2002
1-Month
0.11"
(2.79mm)
0.45"
(11.43mm)
-0.34"
(-8.64mm)
22nd Driest
Driest since:
1974
107th Wettest
Wettest since:
1918
Ties: 1922, 1926, 1947, 1949, 1988
Aug–Sep 2002
2-Month
0.12"
(3.05mm)
0.69"
(17.53mm)
-0.57"
(-14.48mm)
3rd Driest
Driest since:
1937, 2018
126th Wettest
Wettest since:
1983
Ties: 1928, 2006
Jul–Sep 2002
3-Month
0.18"
(4.57mm)
0.87"
(22.10mm)
-0.69"
(-17.53mm)
2nd Driest
Driest since:
1928
127th Wettest
Wettest since:
1976
Jun–Sep 2002
4-Month
0.25"
(6.35mm)
1.22"
(30.99mm)
-0.97"
(-24.64mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1982
May–Sep 2002
5-Month
0.84"
(21.34mm)
2.10"
(53.34mm)
-1.26"
(-32.00mm)
3rd Driest
Driest since:
1924
126th Wettest
Wettest since:
1998
Apr–Sep 2002
6-Month
1.72"
(43.69mm)
3.74"
(95.00mm)
-2.02"
(-51.31mm)
7th Driest
Driest since:
1924
122nd Wettest
Wettest since:
1896
Mar–Sep 2002
7-Month
3.63"
(92.20mm)
6.95"
(176.53mm)
-3.32"
(-84.33mm)
8th Driest
Driest since:
2008
121st Wettest
Wettest since:
1995
Feb–Sep 2002
8-Month
5.08"
(129.03mm)
10.80"
(274.32mm)
-5.72"
(-145.29mm)
7th Driest
Driest since:
2021
122nd Wettest
Wettest since:
1998
Jan–Sep 2002
9-Month
7.30"
(185.42mm)
15.05"
(382.27mm)
-7.75"
(-196.85mm)
4th Driest
Driest since:
2022
125th Wettest
Wettest since:
1998
Dec 2001–Sep 2002
10-Month
12.55"
(318.77mm)
18.67"
(474.22mm)
-6.12"
(-155.45mm)
18th Driest
Driest since:
1924
110th Wettest
Wettest since:
1983
Nov 2001–Sep 2002
11-Month
16.76"
(425.70mm)
21.25"
(539.75mm)
-4.49"
(-114.05mm)
41st Driest
Driest since:
1924
87th Wettest
Wettest since:
1983
Oct 2001–Sep 2002
12-Month
17.41"
(442.21mm)
22.45"
(570.23mm)
-5.04"
(-128.02mm)
39th Driest
Driest since:
1924
89th Wettest
Wettest since:
1983
Apr 2001–Sep 2002
18-Month
20.17"
(512.32mm)
26.19"
(665.23mm)
-6.02"
(-152.91mm)
28th Driest
Driest since:
2021
100th Wettest
Wettest since:
1983
Oct 2000–Sep 2002
24-Month
34.08"
(865.63mm)
44.90"
(1,140.46mm)
-10.82"
(-274.83mm)
18th Driest
Driest since:
1977
109th Wettest
Wettest since:
1983
Oct 1999–Sep 2002
36-Month
55.31"
(1,404.87mm)
67.32"
(1,709.93mm)
-12.01"
(-305.06mm)
26th Driest
Driest since:
2022
100th Wettest
Wettest since:
1984
Oct 1998–Sep 2002
48-Month
76.13"
(1,933.70mm)
89.51"
(2,273.55mm)
-13.38"
(-339.85mm)
20th Driest
Driest since:
2015
105th Wettest
Wettest since:
1998
Oct 1997–Sep 2002
60-Month
113.78"
(2,890.01mm)
111.69"
(2,836.93mm)
2.09"
(53.08mm)
77th Driest
Driest since:
1991
47th Wettest
Wettest since:
1999

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