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, October 2011

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
October 2011
1-Month
1.54"
(39.12mm)
1.20"
(30.48mm)
0.34"
(8.64mm)
91st Driest
Driest since:
1917
38th Wettest
Wettest since:
1962
Ties: 1916
Sep–Oct 2011
2-Month
1.82"
(46.23mm)
1.65"
(41.91mm)
0.17"
(4.32mm)
79th Driest
Driest since:
2020
50th Wettest
Wettest since:
1962
Ties: 1976
Aug–Oct 2011
3-Month
1.92"
(48.77mm)
1.89"
(48.01mm)
0.03"
(0.76mm)
71st Driest
Driest since:
1995, 2002
58th Wettest
Wettest since:
1962
Ties: 1902
Jul–Oct 2011
4-Month
2.14"
(54.36mm)
2.07"
(52.58mm)
0.07"
(1.78mm)
71st Driest
Driest since:
2002, 2020
58th Wettest
Wettest since:
1962
Jun–Oct 2011
5-Month
3.06"
(77.72mm)
2.42"
(61.47mm)
0.64"
(16.25mm)
97th Driest
Driest since:
2002
32nd Wettest
Wettest since:
1982
May–Oct 2011
6-Month
4.50"
(114.30mm)
3.30"
(83.82mm)
1.20"
(30.48mm)
111th Driest
Driest since:
2002
18th Wettest
Wettest since:
1957
Ties: 1956
Apr–Oct 2011
7-Month
5.60"
(142.24mm)
4.93"
(125.22mm)
0.67"
(17.02mm)
90th Driest
Driest since:
2002
39th Wettest
Wettest since:
1963
Mar–Oct 2011
8-Month
12.01"
(305.05mm)
8.14"
(206.76mm)
3.87"
(98.29mm)
116th Driest
Driest since:
2008
13th Wettest
Wettest since:
1983
Feb–Oct 2011
9-Month
15.35"
(389.89mm)
11.99"
(304.55mm)
3.36"
(85.34mm)
110th Driest
Driest since:
1966
19th Wettest
Wettest since:
1998
Jan–Oct 2011
10-Month
16.63"
(422.40mm)
16.24"
(412.50mm)
0.39"
(9.90mm)
76th Driest
Driest since:
2022
53rd Wettest
Wettest since:
1998
Dec 2010–Oct 2011
11-Month
24.76"
(628.90mm)
19.87"
(504.70mm)
4.89"
(124.20mm)
102nd Driest
Driest since:
1977
26th Wettest
Wettest since:
1983
Nov 2010–Oct 2011
12-Month
27.36"
(694.94mm)
22.44"
(569.98mm)
4.92"
(124.96mm)
103rd Driest
Driest since:
1977
25th Wettest
Wettest since:
1983
May 2010–Oct 2011
18-Month
32.02"
(813.31mm)
25.75"
(654.05mm)
6.27"
(159.26mm)
110th Driest
Driest since:
1977
18th Wettest
Wettest since:
1983
Nov 2009–Oct 2011
24-Month
51.95"
(1,319.53mm)
44.87"
(1,139.70mm)
7.08"
(179.83mm)
109th Driest
Driest since:
1977
18th Wettest
Wettest since:
1983
Nov 2008–Oct 2011
36-Month
70.32"
(1,786.13mm)
67.29"
(1,709.17mm)
3.03"
(76.96mm)
84th Driest
Driest since:
2022
42nd Wettest
Wettest since:
1984
Ties: 1937
Nov 2007–Oct 2011
48-Month
86.74"
(2,203.20mm)
89.47"
(2,272.54mm)
-2.73"
(-69.34mm)
60th Driest
Driest since:
2015
65th Wettest
Wettest since:
1998
Nov 2006–Oct 2011
60-Month
101.75"
(2,584.45mm)
111.65"
(2,835.91mm)
-9.90"
(-251.46mm)
36th Driest
Driest since:
1991
88th Wettest
Wettest since:
1999

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