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, September 1979

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
September 1979
1-Month
0.24"
(6.10mm)
0.45"
(11.43mm)
-0.21"
(-5.33mm)
49th Driest
Driest since:
1974
80th Wettest
Wettest since:
1918
Ties: 1903, 1946, 1991
Aug–Sep 1979
2-Month
0.69"
(17.53mm)
0.69"
(17.53mm)
0.00"
(0.00mm)
79th Driest
Driest since:
1937, 2018
50th Wettest
Wettest since:
1983
Jul–Sep 1979
3-Month
1.07"
(27.18mm)
0.87"
(22.10mm)
0.20"
(5.08mm)
95th Driest
Driest since:
1928
34th Wettest
Wettest since:
1976
Ties: 1998, 2015
Jun–Sep 1979
4-Month
1.12"
(28.45mm)
1.22"
(30.99mm)
-0.10"
(-2.54mm)
64th Driest
Driest since:
2002
65th Wettest
Wettest since:
1982
May–Sep 1979
5-Month
1.96"
(49.78mm)
2.10"
(53.34mm)
-0.14"
(-3.56mm)
65th Driest
Driest since:
1924
64th Wettest
Wettest since:
1998
Apr–Sep 1979
6-Month
3.08"
(78.23mm)
3.74"
(95.00mm)
-0.66"
(-16.77mm)
42nd Driest
Driest since:
1924
87th Wettest
Wettest since:
1896
Mar–Sep 1979
7-Month
6.52"
(165.61mm)
6.95"
(176.53mm)
-0.43"
(-10.92mm)
70th Driest
Driest since:
2008
59th Wettest
Wettest since:
1995
Feb–Sep 1979
8-Month
11.38"
(289.05mm)
10.80"
(274.32mm)
0.58"
(14.73mm)
83rd Driest
Driest since:
2021
46th Wettest
Wettest since:
1998
Jan–Sep 1979
9-Month
16.43"
(417.32mm)
15.05"
(382.27mm)
1.38"
(35.05mm)
89th Driest
Driest since:
2022
40th Wettest
Wettest since:
1998
Dec 1978–Sep 1979
10-Month
17.96"
(456.18mm)
18.67"
(474.22mm)
-0.71"
(-18.04mm)
71st Driest
Driest since:
1924
57th Wettest
Wettest since:
1983
Nov 1978–Sep 1979
11-Month
19.92"
(505.97mm)
21.25"
(539.75mm)
-1.33"
(-33.78mm)
63rd Driest
Driest since:
1924
65th Wettest
Wettest since:
1983
Oct 1978–Sep 1979
12-Month
20.12"
(511.05mm)
22.45"
(570.23mm)
-2.33"
(-59.18mm)
58th Driest
Driest since:
1924
70th Wettest
Wettest since:
1983
Apr 1978–Sep 1979
18-Month
25.80"
(655.32mm)
26.19"
(665.23mm)
-0.39"
(-9.91mm)
70th Driest
Driest since:
2021
58th Wettest
Wettest since:
1983
Ties: 1945
Oct 1977–Sep 1979
24-Month
53.88"
(1,368.55mm)
44.90"
(1,140.46mm)
8.98"
(228.09mm)
113th Driest
Driest since:
1977
14th Wettest
Wettest since:
1983
Oct 1976–Sep 1979
36-Month
64.74"
(1,644.40mm)
67.32"
(1,709.93mm)
-2.58"
(-65.53mm)
61st Driest
Driest since:
2022
65th Wettest
Wettest since:
1984
Oct 1975–Sep 1979
48-Month
79.40"
(2,016.76mm)
89.51"
(2,273.55mm)
-10.11"
(-256.79mm)
32nd Driest
Driest since:
2015
93rd Wettest
Wettest since:
1998
Ties: 1948
Oct 1974–Sep 1979
60-Month
101.46"
(2,577.08mm)
111.69"
(2,836.93mm)
-10.23"
(-259.85mm)
36th Driest
Driest since:
1991
88th Wettest
Wettest since:
1999

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