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 1975

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1975
1-Month
0.34"
(8.64mm)
0.45"
(11.43mm)
-0.11"
(-2.79mm)
74th Driest
Driest since:
1974
55th Wettest
Wettest since:
1918
Ties: 1994
Aug–Sep 1975
2-Month
0.67"
(17.02mm)
0.69"
(17.53mm)
-0.02"
(-0.51mm)
77th Driest
Driest since:
1937, 2018
52nd Wettest
Wettest since:
1983
Jul–Sep 1975
3-Month
0.84"
(21.34mm)
0.87"
(22.10mm)
-0.03"
(-0.76mm)
79th Driest
Driest since:
1928
50th Wettest
Wettest since:
1976
Ties: 1945
Jun–Sep 1975
4-Month
1.04"
(26.42mm)
1.22"
(30.99mm)
-0.18"
(-4.57mm)
57th Driest
Driest since:
2002
72nd Wettest
Wettest since:
1982
May–Sep 1975
5-Month
1.28"
(32.51mm)
2.10"
(53.34mm)
-0.82"
(-20.83mm)
22nd Driest
Driest since:
1924
107th Wettest
Wettest since:
1998
Ties: 1999
Apr–Sep 1975
6-Month
3.36"
(85.34mm)
3.74"
(95.00mm)
-0.38"
(-9.66mm)
63rd Driest
Driest since:
1924
66th Wettest
Wettest since:
1896
Ties: 1938
Mar–Sep 1975
7-Month
9.12"
(231.65mm)
6.95"
(176.53mm)
2.17"
(55.12mm)
108th Driest
Driest since:
2008
21st Wettest
Wettest since:
1995
Feb–Sep 1975
8-Month
14.53"
(369.06mm)
10.80"
(274.32mm)
3.73"
(94.74mm)
111th Driest
Driest since:
2021
18th Wettest
Wettest since:
1998
Jan–Sep 1975
9-Month
16.11"
(409.19mm)
15.05"
(382.27mm)
1.06"
(26.92mm)
85th Driest
Driest since:
2022
44th Wettest
Wettest since:
1998
Dec 1974–Sep 1975
10-Month
19.48"
(494.79mm)
18.67"
(474.22mm)
0.81"
(20.57mm)
81st Driest
Driest since:
1924
47th Wettest
Wettest since:
1983
Nov 1974–Sep 1975
11-Month
20.51"
(520.95mm)
21.25"
(539.75mm)
-0.74"
(-18.80mm)
68th Driest
Driest since:
1924
60th Wettest
Wettest since:
1983
Oct 1974–Sep 1975
12-Month
22.06"
(560.32mm)
22.45"
(570.23mm)
-0.39"
(-9.91mm)
68th Driest
Driest since:
1924
60th Wettest
Wettest since:
1983
Apr 1974–Sep 1975
18-Month
24.73"
(628.14mm)
26.19"
(665.23mm)
-1.46"
(-37.09mm)
63rd Driest
Driest since:
2021
65th Wettest
Wettest since:
1983
Oct 1973–Sep 1975
24-Month
50.01"
(1,270.25mm)
44.90"
(1,140.46mm)
5.11"
(129.79mm)
96th Driest
Driest since:
1977
31st Wettest
Wettest since:
1983
Oct 1972–Sep 1975
36-Month
75.38"
(1,914.65mm)
67.32"
(1,709.93mm)
8.06"
(204.72mm)
97th Driest
Driest since:
2022
29th Wettest
Wettest since:
1984
Oct 1971–Sep 1975
48-Month
91.32"
(2,319.53mm)
89.51"
(2,273.55mm)
1.81"
(45.98mm)
77th Driest
Driest since:
2015
48th Wettest
Wettest since:
1998
Oct 1970–Sep 1975
60-Month
115.04"
(2,922.02mm)
111.69"
(2,836.93mm)
3.35"
(85.09mm)
79th Driest
Driest since:
1991
45th Wettest
Wettest since:
1999

Citing This Page