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, August 2012

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
August 2012
1-Month
0.30"
(7.62mm)
0.24"
(6.10mm)
0.06"
(1.52mm)
91st Driest
Driest since:
1937, 2002
38th Wettest
Wettest since:
1983
Ties: 1963
Jul–Aug 2012
2-Month
0.56"
(14.22mm)
0.42"
(10.67mm)
0.14"
(3.55mm)
97th Driest
Driest since:
1940
32nd Wettest
Wettest since:
1983
Jun–Aug 2012
3-Month
0.88"
(22.35mm)
0.77"
(19.56mm)
0.11"
(2.79mm)
83rd Driest
Driest since:
2002
46th Wettest
Wettest since:
1913
Ties: 1971, 1979
May–Aug 2012
4-Month
1.08"
(27.43mm)
1.65"
(41.91mm)
-0.57"
(-14.48mm)
28th Driest
Driest since:
1924
101st Wettest
Wettest since:
1998
Ties: 1904, 1972, 2014
Apr–Aug 2012
5-Month
3.56"
(90.42mm)
3.28"
(83.31mm)
0.28"
(7.11mm)
88th Driest
Driest since:
2021
41st Wettest
Wettest since:
1896
Mar–Aug 2012
6-Month
8.30"
(210.82mm)
6.50"
(165.10mm)
1.80"
(45.72mm)
104th Driest
Driest since:
2008
25th Wettest
Wettest since:
1995
Feb–Aug 2012
7-Month
9.52"
(241.81mm)
10.35"
(262.89mm)
-0.83"
(-21.08mm)
65th Driest
Driest since:
1997, 2021
64th Wettest
Wettest since:
1998
Jan–Aug 2012
8-Month
12.64"
(321.06mm)
14.60"
(370.84mm)
-1.96"
(-49.78mm)
56th Driest
Driest since:
2022
73rd Wettest
Wettest since:
1995
Dec 2011–Aug 2012
9-Month
13.11"
(332.99mm)
18.22"
(462.79mm)
-5.11"
(-129.80mm)
25th Driest
Driest since:
1924
103rd Wettest
Wettest since:
1998
Nov 2011–Aug 2012
10-Month
14.80"
(375.92mm)
20.80"
(528.32mm)
-6.00"
(-152.40mm)
20th Driest
Driest since:
1924
108th Wettest
Wettest since:
1983
Oct 2011–Aug 2012
11-Month
16.34"
(415.04mm)
22.00"
(558.80mm)
-5.66"
(-143.76mm)
27th Driest
Driest since:
1924
101st Wettest
Wettest since:
1983
Sep 2011–Aug 2012
12-Month
16.62"
(422.15mm)
22.44"
(569.98mm)
-5.82"
(-147.83mm)
24th Driest
Driest since:
2021
104th Wettest
Wettest since:
1983
Mar 2011–Aug 2012
18-Month
26.81"
(680.97mm)
28.96"
(735.58mm)
-2.15"
(-54.61mm)
55th Driest
Driest since:
1977
73rd Wettest
Wettest since:
1983
Sep 2010–Aug 2012
24-Month
45.32"
(1,151.13mm)
44.90"
(1,140.46mm)
0.42"
(10.67mm)
72nd Driest
Driest since:
1977
55th Wettest
Wettest since:
1983
Sep 2009–Aug 2012
36-Month
68.91"
(1,750.31mm)
67.31"
(1,709.67mm)
1.60"
(40.64mm)
76th Driest
Driest since:
2022
50th Wettest
Wettest since:
1984
Sep 2008–Aug 2012
48-Month
85.86"
(2,180.84mm)
89.50"
(2,273.30mm)
-3.64"
(-92.46mm)
56th Driest
Driest since:
2015
69th Wettest
Wettest since:
1998
Sep 2007–Aug 2012
60-Month
103.54"
(2,629.92mm)
111.68"
(2,836.67mm)
-8.14"
(-206.75mm)
46th Driest
Driest since:
1991
78th Wettest
Wettest since:
1999

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