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 1930

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1930
1-Month
0.14"
(3.56mm)
0.24"
(6.10mm)
-0.10"
(-2.54mm)
48th Driest
Driest since:
1937, 2002
81st Wettest
Wettest since:
1983
Ties: 1964
Jul–Aug 1930
2-Month
0.18"
(4.57mm)
0.42"
(10.67mm)
-0.24"
(-6.10mm)
16th Driest
Driest since:
1940
113th Wettest
Wettest since:
1983
Ties: 1905, 1924
Jun–Aug 1930
3-Month
0.23"
(5.84mm)
0.77"
(19.56mm)
-0.54"
(-13.72mm)
6th Driest
Driest since:
2002
123rd Wettest
Wettest since:
1913
Ties: 1924, 1981
May–Aug 1930
4-Month
1.43"
(36.32mm)
1.65"
(41.91mm)
-0.22"
(-5.59mm)
57th Driest
Driest since:
1924
72nd Wettest
Wettest since:
1998
Apr–Aug 1930
5-Month
2.94"
(74.68mm)
3.28"
(83.31mm)
-0.34"
(-8.63mm)
58th Driest
Driest since:
2021
71st Wettest
Wettest since:
1896
Mar–Aug 1930
6-Month
5.62"
(142.75mm)
6.50"
(165.10mm)
-0.88"
(-22.35mm)
61st Driest
Driest since:
2008
68th Wettest
Wettest since:
1995
Ties: 1922, 1927
Feb–Aug 1930
7-Month
8.49"
(215.65mm)
10.35"
(262.89mm)
-1.86"
(-47.24mm)
52nd Driest
Driest since:
1997, 2021
77th Wettest
Wettest since:
1998
Jan–Aug 1930
8-Month
13.08"
(332.23mm)
14.60"
(370.84mm)
-1.52"
(-38.61mm)
58th Driest
Driest since:
2022
71st Wettest
Wettest since:
1995
Dec 1929–Aug 1930
9-Month
17.46"
(443.48mm)
18.22"
(462.79mm)
-0.76"
(-19.31mm)
71st Driest
Driest since:
1924
57th Wettest
Wettest since:
1998
Ties: 1921
Nov 1929–Aug 1930
10-Month
17.46"
(443.48mm)
20.80"
(528.32mm)
-3.34"
(-84.84mm)
52nd Driest
Driest since:
1924
76th Wettest
Wettest since:
1983
Oct 1929–Aug 1930
11-Month
17.63"
(447.80mm)
22.00"
(558.80mm)
-4.37"
(-111.00mm)
44th Driest
Driest since:
1924
84th Wettest
Wettest since:
1983
Ties: 1926
Sep 1929–Aug 1930
12-Month
17.91"
(454.91mm)
22.44"
(569.98mm)
-4.53"
(-115.07mm)
44th Driest
Driest since:
2021
84th Wettest
Wettest since:
1983
Mar 1929–Aug 1930
18-Month
23.02"
(584.71mm)
28.96"
(735.58mm)
-5.94"
(-150.87mm)
31st Driest
Driest since:
1977
97th Wettest
Wettest since:
1983
Sep 1928–Aug 1930
24-Month
32.99"
(837.95mm)
44.90"
(1,140.46mm)
-11.91"
(-302.51mm)
13th Driest
Driest since:
1977
114th Wettest
Wettest since:
1983
Sep 1927–Aug 1930
36-Month
52.23"
(1,326.64mm)
67.31"
(1,709.67mm)
-15.08"
(-383.03mm)
11th Driest
Driest since:
2022
115th Wettest
Wettest since:
1984
Sep 1926–Aug 1930
48-Month
79.62"
(2,022.35mm)
89.50"
(2,273.30mm)
-9.88"
(-250.95mm)
35th Driest
Driest since:
2015
90th Wettest
Wettest since:
1998
Sep 1925–Aug 1930
60-Month
97.95"
(2,487.93mm)
111.68"
(2,836.67mm)
-13.73"
(-348.74mm)
24th Driest
Driest since:
1991
100th Wettest
Wettest since:
1999

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