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 1987

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1987
1-Month
0.04"
(1.02mm)
0.24"
(6.10mm)
-0.20"
(-5.08mm)
10th Driest
Driest since:
1937, 2002
119th Wettest
Wettest since:
1983
Ties: 1980, 2018
Jul–Aug 1987
2-Month
0.29"
(7.37mm)
0.42"
(10.67mm)
-0.13"
(-3.30mm)
41st Driest
Driest since:
1940
88th Wettest
Wettest since:
1983
Ties: 1900, 1926, 1969
Jun–Aug 1987
3-Month
0.49"
(12.45mm)
0.77"
(19.56mm)
-0.28"
(-7.11mm)
40th Driest
Driest since:
2002
89th Wettest
Wettest since:
1913
Ties: 1939
May–Aug 1987
4-Month
1.12"
(28.45mm)
1.65"
(41.91mm)
-0.53"
(-13.46mm)
34th Driest
Driest since:
1924
95th Wettest
Wettest since:
1998
Ties: 1986
Apr–Aug 1987
5-Month
1.52"
(38.61mm)
3.28"
(83.31mm)
-1.76"
(-44.70mm)
11th Driest
Driest since:
2021
118th Wettest
Wettest since:
1896
Mar–Aug 1987
6-Month
5.11"
(129.79mm)
6.50"
(165.10mm)
-1.39"
(-35.31mm)
47th Driest
Driest since:
2008
82nd Wettest
Wettest since:
1995
Ties: 1929
Feb–Aug 1987
7-Month
7.90"
(200.66mm)
10.35"
(262.89mm)
-2.45"
(-62.23mm)
44th Driest
Driest since:
1997, 2021
85th Wettest
Wettest since:
1998
Jan–Aug 1987
8-Month
10.97"
(278.64mm)
14.60"
(370.84mm)
-3.63"
(-92.20mm)
36th Driest
Driest since:
2022
93rd Wettest
Wettest since:
1995
Dec 1986–Aug 1987
9-Month
12.46"
(316.48mm)
18.22"
(462.79mm)
-5.76"
(-146.31mm)
20th Driest
Driest since:
1924
108th Wettest
Wettest since:
1998
Nov 1986–Aug 1987
10-Month
13.23"
(336.04mm)
20.80"
(528.32mm)
-7.57"
(-192.28mm)
10th Driest
Driest since:
1924
118th Wettest
Wettest since:
1983
Oct 1986–Aug 1987
11-Month
13.87"
(352.30mm)
22.00"
(558.80mm)
-8.13"
(-206.50mm)
7th Driest
Driest since:
1924
121st Wettest
Wettest since:
1983
Sep 1986–Aug 1987
12-Month
15.27"
(387.86mm)
22.44"
(569.98mm)
-7.17"
(-182.12mm)
12th Driest
Driest since:
2021
116th Wettest
Wettest since:
1983
Mar 1986–Aug 1987
18-Month
22.09"
(561.09mm)
28.96"
(735.58mm)
-6.87"
(-174.49mm)
20th Driest
Driest since:
1977
108th Wettest
Wettest since:
1983
Sep 1985–Aug 1987
24-Month
43.38"
(1,101.85mm)
44.90"
(1,140.46mm)
-1.52"
(-38.61mm)
61st Driest
Driest since:
1977
66th Wettest
Wettest since:
1983
Sep 1984–Aug 1987
36-Month
60.81"
(1,544.57mm)
67.31"
(1,709.67mm)
-6.50"
(-165.10mm)
43rd Driest
Driest since:
2022
83rd Wettest
Wettest since:
1984
Sep 1983–Aug 1987
48-Month
83.83"
(2,129.28mm)
89.50"
(2,273.30mm)
-5.67"
(-144.02mm)
49th Driest
Driest since:
2015
76th Wettest
Wettest since:
1998
Sep 1982–Aug 1987
60-Month
124.59"
(3,164.59mm)
111.68"
(2,836.67mm)
12.91"
(327.92mm)
102nd Driest
Driest since:
1991
22nd Wettest
Wettest since:
1999

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