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

September 2011 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2024)
Driest/Wettest
Since
Record
September 2011
1-Month
0.28in
(7.11mm)
0.45in
(11.43mm)
-0.17in64th Driest
Driest since:
1974
67th Wettest
Wettest since:
1918
Ties: 1929
Aug–Sep 2011
2-Month
0.38in
(9.65mm)
0.69in
(17.53mm)
-0.31in45th Driest
Driest since:
1937, 2018
86th Wettest
Wettest since:
1983
Jul–Sep 2011
3-Month
0.60in
(15.24mm)
0.87in
(22.10mm)
-0.27in45th Driest
Driest since:
1928
86th Wettest
Wettest since:
1976
Ties: 1974
Jun–Sep 2011
4-Month
1.52in
(38.61mm)
1.22in
(30.99mm)
0.30in101st Driest
Driest since:
2002
30th Wettest
Wettest since:
1982
May–Sep 2011
5-Month
2.96in
(75.18mm)
2.10in
(53.34mm)
0.86in114th Driest
Driest since:
1924
17th Wettest
Wettest since:
1998
Apr–Sep 2011
6-Month
4.06in
(103.12mm)
3.74in
(95.00mm)
0.32in91st Driest
Driest since:
1924
40th Wettest
Wettest since:
1896
Mar–Sep 2011
7-Month
10.47in
(265.94mm)
6.95in
(176.53mm)
3.52in111th Driest
Driest since:
2008
20th Wettest
Wettest since:
1995
Feb–Sep 2011
8-Month
13.81in
(350.77mm)
10.80in
(274.32mm)
3.01in107th Driest
Driest since:
2021
24th Wettest
Wettest since:
1998
Jan–Sep 2011
9-Month
15.09in
(383.29mm)
15.05in
(382.27mm)
0.04in78th Driest
Driest since:
2022
53rd Wettest
Wettest since:
1998
Dec 2010–Sep 2011
10-Month
23.22in
(589.79mm)
18.67in
(474.22mm)
4.55in101st Driest
Driest since:
1924
29th Wettest
Wettest since:
1983
Nov 2010–Sep 2011
11-Month
25.82in
(655.83mm)
21.25in
(539.75mm)
4.57in102nd Driest
Driest since:
1924
28th Wettest
Wettest since:
1983
Oct 2010–Sep 2011
12-Month
28.82in
(732.03mm)
22.45in
(570.23mm)
6.37in112th Driest
Driest since:
1924
18th Wettest
Wettest since:
1983
Apr 2010–Sep 2011
18-Month
33.95in
(862.33mm)
26.19in
(665.23mm)
7.76in115th Driest
Driest since:
2021
15th Wettest
Wettest since:
1983
Oct 2009–Sep 2011
24-Month
52.48in
(1,332.99mm)
44.90in7.58in109th Driest
Driest since:
1977
20th Wettest
Wettest since:
1983
Oct 2008–Sep 2011
36-Month
69.48in
(1,764.79mm)
67.32in2.16in80th Driest
Driest since:
2022
48th Wettest
Wettest since:
1984
Oct 2007–Sep 2011
48-Month
86.70in
(2,202.18mm)
89.51in-2.81in60th Driest
Driest since:
2015
67th Wettest
Wettest since:
1998
Oct 2006–Sep 2011
60-Month
100.66in
(2,556.76mm)
111.69in-11.03in30th Driest
Driest since:
1991
96th Wettest
Wettest since:
1999

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