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 1978

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1978
1-Month
0.22"
(5.59mm)
0.24"
(6.10mm)
-0.02"
(-0.51mm)
74th Driest
Driest since:
1937, 2002
55th Wettest
Wettest since:
1983
Ties: 1899, 1917, 1959, 1993
Jul–Aug 1978
2-Month
0.34"
(8.64mm)
0.42"
(10.67mm)
-0.08"
(-2.03mm)
67th Driest
Driest since:
1940
62nd Wettest
Wettest since:
1983
Ties: 1901, 1986
Jun–Aug 1978
3-Month
0.51"
(12.95mm)
0.77"
(19.56mm)
-0.26"
(-6.61mm)
42nd Driest
Driest since:
2002
87th Wettest
Wettest since:
1913
May–Aug 1978
4-Month
0.89"
(22.61mm)
1.65"
(41.91mm)
-0.76"
(-19.30mm)
18th Driest
Driest since:
1924
111th Wettest
Wettest since:
1998
Ties: 1974
Apr–Aug 1978
5-Month
4.37"
(111.00mm)
3.29"
(83.57mm)
1.08"
(27.43mm)
101st Driest
Driest since:
2021
28th Wettest
Wettest since:
1896
Mar–Aug 1978
6-Month
10.12"
(257.05mm)
6.50"
(165.10mm)
3.62"
(91.95mm)
113th Driest
Driest since:
2008
16th Wettest
Wettest since:
1995
Feb–Aug 1978
7-Month
15.89"
(403.61mm)
10.35"
(262.89mm)
5.54"
(140.72mm)
118th Driest
Driest since:
1997, 2021
11th Wettest
Wettest since:
1998
Jan–Aug 1978
8-Month
23.86"
(606.04mm)
14.60"
(370.84mm)
9.26"
(235.20mm)
122nd Driest
Driest since:
2022
7th Wettest
Wettest since:
1995
Dec 1977–Aug 1978
9-Month
29.77"
(756.16mm)
18.22"
(462.79mm)
11.55"
(293.37mm)
123rd Driest
Driest since:
1924
5th Wettest
Wettest since:
1998
Nov 1977–Aug 1978
10-Month
31.95"
(811.53mm)
20.80"
(528.32mm)
11.15"
(283.21mm)
122nd Driest
Driest since:
1924
6th Wettest
Wettest since:
1983
Oct 1977–Aug 1978
11-Month
32.45"
(824.23mm)
22.00"
(558.80mm)
10.45"
(265.43mm)
120th Driest
Driest since:
1924
8th Wettest
Wettest since:
1983
Sep 1977–Aug 1978
12-Month
33.32"
(846.33mm)
22.44"
(569.98mm)
10.88"
(276.35mm)
120th Driest
Driest since:
2021
8th Wettest
Wettest since:
1983
Mar 1977–Aug 1978
18-Month
38.25"
(971.55mm)
28.96"
(735.58mm)
9.29"
(235.97mm)
117th Driest
Driest since:
1977
11th Wettest
Wettest since:
1983
Sep 1976–Aug 1978
24-Month
44.62"
(1,133.35mm)
44.90"
(1,140.46mm)
-0.28"
(-7.11mm)
67th Driest
Driest since:
1977
60th Wettest
Wettest since:
1983
Sep 1975–Aug 1978
36-Month
58.31"
(1,481.07mm)
67.31"
(1,709.67mm)
-9.00"
(-228.60mm)
33rd Driest
Driest since:
2022
93rd Wettest
Wettest since:
1984
Sep 1974–Aug 1978
48-Month
80.04"
(2,033.02mm)
89.50"
(2,273.30mm)
-9.46"
(-240.28mm)
39th Driest
Driest since:
2015
86th Wettest
Wettest since:
1998
Ties: 1929
Sep 1973–Aug 1978
60-Month
108.51"
(2,756.15mm)
111.68"
(2,836.67mm)
-3.17"
(-80.52mm)
63rd Driest
Driest since:
1991
61st Wettest
Wettest since:
1999

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