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 1973

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 1973
1-Month
0.53"
(13.46mm)
0.45"
(11.43mm)
0.08"
(2.03mm)
91st Driest
Driest since:
1974
38th Wettest
Wettest since:
1918
Aug–Sep 1973
2-Month
0.70"
(17.78mm)
0.69"
(17.53mm)
0.01"
(0.25mm)
85th Driest
Driest since:
1937, 2018
44th Wettest
Wettest since:
1983
Ties: 1921, 1941, 1945, 1955, 2017
Jul–Sep 1973
3-Month
0.76"
(19.30mm)
0.87"
(22.10mm)
-0.11"
(-2.80mm)
68th Driest
Driest since:
1928
61st Wettest
Wettest since:
1976
Ties: 1935
Jun–Sep 1973
4-Month
0.82"
(20.83mm)
1.22"
(30.99mm)
-0.40"
(-10.16mm)
34th Driest
Driest since:
2002
95th Wettest
Wettest since:
1982
May–Sep 1973
5-Month
1.23"
(31.24mm)
2.10"
(53.34mm)
-0.87"
(-22.10mm)
19th Driest
Driest since:
1924
110th Wettest
Wettest since:
1998
Apr–Sep 1973
6-Month
1.64"
(41.66mm)
3.74"
(95.00mm)
-2.10"
(-53.34mm)
6th Driest
Driest since:
1924
123rd Wettest
Wettest since:
1896
Mar–Sep 1973
7-Month
4.98"
(126.49mm)
6.95"
(176.53mm)
-1.97"
(-50.04mm)
35th Driest
Driest since:
2008
94th Wettest
Wettest since:
1995
Feb–Sep 1973
8-Month
10.33"
(262.38mm)
10.80"
(274.32mm)
-0.47"
(-11.94mm)
69th Driest
Driest since:
2021
60th Wettest
Wettest since:
1998
Jan–Sep 1973
9-Month
16.38"
(416.05mm)
15.05"
(382.27mm)
1.33"
(33.78mm)
88th Driest
Driest since:
2022
41st Wettest
Wettest since:
1998
Dec 1972–Sep 1973
10-Month
19.35"
(491.49mm)
18.67"
(474.22mm)
0.68"
(17.27mm)
79th Driest
Driest since:
1924
49th Wettest
Wettest since:
1983
Nov 1972–Sep 1973
11-Month
23.58"
(598.93mm)
21.25"
(539.75mm)
2.33"
(59.18mm)
88th Driest
Driest since:
1924
40th Wettest
Wettest since:
1983
Oct 1972–Sep 1973
12-Month
25.37"
(644.40mm)
22.45"
(570.23mm)
2.92"
(74.17mm)
94th Driest
Driest since:
1924
34th Wettest
Wettest since:
1983
Apr 1972–Sep 1973
18-Month
28.61"
(726.69mm)
26.19"
(665.23mm)
2.42"
(61.46mm)
90th Driest
Driest since:
2021
38th Wettest
Wettest since:
1983
Oct 1971–Sep 1973
24-Month
41.31"
(1,049.27mm)
44.90"
(1,140.46mm)
-3.59"
(-91.19mm)
50th Driest
Driest since:
1977
77th Wettest
Wettest since:
1983
Oct 1970–Sep 1973
36-Month
65.03"
(1,651.76mm)
67.32"
(1,709.93mm)
-2.29"
(-58.17mm)
62nd Driest
Driest since:
2022
64th Wettest
Wettest since:
1984
Oct 1969–Sep 1973
48-Month
87.49"
(2,222.25mm)
89.51"
(2,273.55mm)
-2.02"
(-51.30mm)
63rd Driest
Driest since:
2015
62nd Wettest
Wettest since:
1998
Oct 1968–Sep 1973
60-Month
119.45"
(3,034.03mm)
111.69"
(2,836.93mm)
7.76"
(197.10mm)
92nd Driest
Driest since:
1991
32nd Wettest
Wettest since:
1999

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