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, July 2010

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
July 2010
1-Month
0.07"
(1.78mm)
0.18"
(4.57mm)
-0.11"
(-2.79mm)
26th Driest
Driest since:
1940
103rd Wettest
Wettest since:
1913
Ties: 1932, 1949
Jun–Jul 2010
2-Month
0.33"
(8.38mm)
0.53"
(13.46mm)
-0.20"
(-5.08mm)
45th Driest
Driest since:
1901
84th Wettest
Wettest since:
1913
Ties: 1904, 1909, 1983, 2016
May–Jul 2010
3-Month
1.40"
(35.56mm)
1.41"
(35.81mm)
-0.01"
(-0.25mm)
76th Driest
Driest since:
1924
53rd Wettest
Wettest since:
1998
Ties: 1991
Apr–Jul 2010
4-Month
4.87"
(123.70mm)
3.04"
(77.22mm)
1.83"
(46.48mm)
113th Driest
Driest since:
1909
16th Wettest
Wettest since:
1896
Mar–Jul 2010
5-Month
7.06"
(179.32mm)
6.26"
(159.00mm)
0.80"
(20.32mm)
90th Driest
Driest since:
2008
39th Wettest
Wettest since:
1995
Ties: 1996
Feb–Jul 2010
6-Month
10.71"
(272.03mm)
10.10"
(256.54mm)
0.61"
(15.49mm)
82nd Driest
Driest since:
1997
47th Wettest
Wettest since:
1998
Jan–Jul 2010
7-Month
17.19"
(436.63mm)
14.36"
(364.74mm)
2.83"
(71.89mm)
98th Driest
Driest since:
2022
31st Wettest
Wettest since:
1995
Dec 2009–Jul 2010
8-Month
20.34"
(516.64mm)
17.98"
(456.69mm)
2.36"
(59.95mm)
90th Driest
Driest since:
1924
38th Wettest
Wettest since:
1998
Nov 2009–Jul 2010
9-Month
21.33"
(541.78mm)
20.55"
(521.97mm)
0.78"
(19.81mm)
78th Driest
Driest since:
1924
50th Wettest
Wettest since:
1983, 1998
Oct 2009–Jul 2010
10-Month
23.40"
(594.36mm)
21.75"
(552.45mm)
1.65"
(41.91mm)
83rd Driest
Driest since:
1977
45th Wettest
Wettest since:
1983
Sep 2009–Jul 2010
11-Month
23.49"
(596.65mm)
22.20"
(563.88mm)
1.29"
(32.77mm)
82nd Driest
Driest since:
1977
46th Wettest
Wettest since:
1983
Aug 2009–Jul 2010
12-Month
23.61"
(599.69mm)
22.44"
(569.98mm)
1.17"
(29.71mm)
82nd Driest
Driest since:
2021
46th Wettest
Wettest since:
1983
Feb 2009–Jul 2010
18-Month
32.97"
(837.44mm)
32.51"
(825.75mm)
0.46"
(11.69mm)
80th Driest
Driest since:
2014
48th Wettest
Wettest since:
1983
Aug 2008–Jul 2010
24-Month
40.56"
(1,030.22mm)
44.90"
(1,140.46mm)
-4.34"
(-110.24mm)
43rd Driest
Driest since:
1977
84th Wettest
Wettest since:
1983
Ties: 1898
Aug 2007–Jul 2010
36-Month
58.24"
(1,479.30mm)
67.31"
(1,709.67mm)
-9.07"
(-230.37mm)
32nd Driest
Driest since:
2022
94th Wettest
Wettest since:
1984
Aug 2006–Jul 2010
48-Month
71.70"
(1,821.18mm)
89.50"
(2,273.30mm)
-17.80"
(-452.12mm)
14th Driest
Driest since:
2015
111th Wettest
Wettest since:
1998
Aug 2005–Jul 2010
60-Month
101.21"
(2,570.73mm)
111.68"
(2,836.67mm)
-10.47"
(-265.94mm)
34th Driest
Driest since:
1991
90th Wettest
Wettest since:
1999

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