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 2012

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 2012
1-Month
0.99"
(25.15mm)
1.20"
(30.48mm)
-0.21"
(-5.33mm)
58th Driest
Driest since:
1917
71st Wettest
Wettest since:
1962
Ties: 1939
Sep–Oct 2012
2-Month
1.09"
(27.69mm)
1.65"
(41.91mm)
-0.56"
(-14.22mm)
43rd Driest
Driest since:
2020
86th Wettest
Wettest since:
1962
Aug–Oct 2012
3-Month
1.39"
(35.31mm)
1.89"
(48.01mm)
-0.50"
(-12.70mm)
46th Driest
Driest since:
1995, 2002
83rd Wettest
Wettest since:
1962
Ties: 1971
Jul–Oct 2012
4-Month
1.65"
(41.91mm)
2.07"
(52.58mm)
-0.42"
(-10.67mm)
48th Driest
Driest since:
2002, 2020
81st Wettest
Wettest since:
1962
Jun–Oct 2012
5-Month
1.97"
(50.04mm)
2.42"
(61.47mm)
-0.45"
(-11.43mm)
47th Driest
Driest since:
2002
82nd Wettest
Wettest since:
1982
May–Oct 2012
6-Month
2.17"
(55.12mm)
3.30"
(83.82mm)
-1.13"
(-28.70mm)
24th Driest
Driest since:
2002
105th Wettest
Wettest since:
1957
Apr–Oct 2012
7-Month
4.65"
(118.11mm)
4.93"
(125.22mm)
-0.28"
(-7.11mm)
65th Driest
Driest since:
2002
64th Wettest
Wettest since:
1963
Mar–Oct 2012
8-Month
9.39"
(238.51mm)
8.14"
(206.76mm)
1.25"
(31.75mm)
96th Driest
Driest since:
2008
33rd Wettest
Wettest since:
1983
Ties: 1950
Feb–Oct 2012
9-Month
10.61"
(269.49mm)
11.99"
(304.55mm)
-1.38"
(-35.06mm)
56th Driest
Driest since:
1966
73rd Wettest
Wettest since:
1998
Jan–Oct 2012
10-Month
13.73"
(348.74mm)
16.24"
(412.50mm)
-2.51"
(-63.76mm)
53rd Driest
Driest since:
2022
76th Wettest
Wettest since:
1998
Dec 2011–Oct 2012
11-Month
14.20"
(360.68mm)
19.87"
(504.70mm)
-5.67"
(-144.02mm)
26th Driest
Driest since:
1977
102nd Wettest
Wettest since:
1983
Nov 2011–Oct 2012
12-Month
15.89"
(403.61mm)
22.44"
(569.98mm)
-6.55"
(-166.37mm)
20th Driest
Driest since:
1977
108th Wettest
Wettest since:
1983
May 2011–Oct 2012
18-Month
20.39"
(517.91mm)
25.75"
(654.05mm)
-5.36"
(-136.14mm)
37th Driest
Driest since:
1977
91st Wettest
Wettest since:
1983
Nov 2010–Oct 2012
24-Month
43.25"
(1,098.55mm)
44.87"
(1,139.70mm)
-1.62"
(-41.15mm)
56th Driest
Driest since:
1977
71st Wettest
Wettest since:
1983
Nov 2009–Oct 2012
36-Month
67.84"
(1,723.14mm)
67.29"
(1,709.17mm)
0.55"
(13.97mm)
74th Driest
Driest since:
2022
52nd Wettest
Wettest since:
1984
Nov 2008–Oct 2012
48-Month
86.21"
(2,189.73mm)
89.47"
(2,272.54mm)
-3.26"
(-82.81mm)
56th Driest
Driest since:
2015
69th Wettest
Wettest since:
1998
Nov 2007–Oct 2012
60-Month
102.63"
(2,606.80mm)
111.65"
(2,835.91mm)
-9.02"
(-229.11mm)
42nd Driest
Driest since:
1991
82nd Wettest
Wettest since:
1999

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