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 2004

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 2004
1-Month
0.19"
(4.83mm)
0.24"
(6.10mm)
-0.05"
(-1.27mm)
60th Driest
Driest since:
1937, 2002
69th Wettest
Wettest since:
1983
Ties: 1970, 1972, 1974
Jul–Aug 2004
2-Month
0.25"
(6.35mm)
0.42"
(10.67mm)
-0.17"
(-4.32mm)
29th Driest
Driest since:
1940
100th Wettest
Wettest since:
1983
Ties: 1907, 1948, 1993
Jun–Aug 2004
3-Month
0.33"
(8.38mm)
0.77"
(19.56mm)
-0.44"
(-11.18mm)
16th Driest
Driest since:
2002
113th Wettest
Wettest since:
1913
Ties: 2018
May–Aug 2004
4-Month
0.78"
(19.81mm)
1.65"
(41.91mm)
-0.87"
(-22.10mm)
13th Driest
Driest since:
1924
116th Wettest
Wettest since:
1998
Apr–Aug 2004
5-Month
1.48"
(37.59mm)
3.28"
(83.31mm)
-1.80"
(-45.72mm)
10th Driest
Driest since:
2021
119th Wettest
Wettest since:
1896
Mar–Aug 2004
6-Month
2.56"
(65.02mm)
6.50"
(165.10mm)
-3.94"
(-100.08mm)
3rd Driest
Driest since:
2008
126th Wettest
Wettest since:
1995
Feb–Aug 2004
7-Month
8.44"
(214.38mm)
10.35"
(262.89mm)
-1.91"
(-48.51mm)
51st Driest
Driest since:
1997, 2021
78th Wettest
Wettest since:
1998
Jan–Aug 2004
8-Month
10.71"
(272.03mm)
14.60"
(370.84mm)
-3.89"
(-98.81mm)
34th Driest
Driest since:
2022
95th Wettest
Wettest since:
1995
Dec 2003–Aug 2004
9-Month
16.48"
(418.59mm)
18.22"
(462.79mm)
-1.74"
(-44.20mm)
65th Driest
Driest since:
1924
63rd Wettest
Wettest since:
1998
Ties: 1992
Nov 2003–Aug 2004
10-Month
18.83"
(478.28mm)
20.80"
(528.32mm)
-1.97"
(-50.04mm)
60th Driest
Driest since:
1924
68th Wettest
Wettest since:
1983
Oct 2003–Aug 2004
11-Month
18.92"
(480.57mm)
22.00"
(558.80mm)
-3.08"
(-78.23mm)
55th Driest
Driest since:
1924
73rd Wettest
Wettest since:
1983
Sep 2003–Aug 2004
12-Month
19.09"
(484.89mm)
22.44"
(569.98mm)
-3.35"
(-85.09mm)
54th Driest
Driest since:
2021
74th Wettest
Wettest since:
1983
Mar 2003–Aug 2004
18-Month
27.76"
(705.10mm)
28.96"
(735.58mm)
-1.20"
(-30.48mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
1983
Sep 2002–Aug 2004
24-Month
43.83"
(1,113.28mm)
44.90"
(1,140.46mm)
-1.07"
(-27.18mm)
63rd Driest
Driest since:
1977
64th Wettest
Wettest since:
1983
Sep 2001–Aug 2004
36-Month
61.43"
(1,560.32mm)
67.31"
(1,709.67mm)
-5.88"
(-149.35mm)
45th Driest
Driest since:
2022
81st Wettest
Wettest since:
1984
Sep 2000–Aug 2004
48-Month
78.15"
(1,985.01mm)
89.50"
(2,273.30mm)
-11.35"
(-288.29mm)
26th Driest
Driest since:
2015
99th Wettest
Wettest since:
1998
Sep 1999–Aug 2004
60-Month
99.21"
(2,519.93mm)
111.68"
(2,836.67mm)
-12.47"
(-316.74mm)
26th Driest
Driest since:
1991
98th Wettest
Wettest since:
1999

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