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 1946

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 1946
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, 1979, 1991
Aug–Sep 1946
2-Month
0.36"
(9.14mm)
0.69"
(17.53mm)
-0.33"
(-8.39mm)
40th Driest
Driest since:
1937, 2018
89th Wettest
Wettest since:
1983
Ties: 1907, 1914, 1942
Jul–Sep 1946
3-Month
0.82"
(20.83mm)
0.87"
(22.10mm)
-0.05"
(-1.27mm)
76th Driest
Driest since:
1928
53rd Wettest
Wettest since:
1976
Ties: 1921, 1938, 1950, 2019
Jun–Sep 1946
4-Month
0.88"
(22.35mm)
1.22"
(30.99mm)
-0.34"
(-8.64mm)
40th Driest
Driest since:
2002
89th Wettest
Wettest since:
1982
Ties: 1900, 1944
May–Sep 1946
5-Month
1.47"
(37.34mm)
2.10"
(53.34mm)
-0.63"
(-16.00mm)
29th Driest
Driest since:
1924
100th Wettest
Wettest since:
1998
Apr–Sep 1946
6-Month
1.80"
(45.72mm)
3.74"
(95.00mm)
-1.94"
(-49.28mm)
11th Driest
Driest since:
1924
118th Wettest
Wettest since:
1896
Mar–Sep 1946
7-Month
4.57"
(116.08mm)
6.95"
(176.53mm)
-2.38"
(-60.45mm)
22nd Driest
Driest since:
2008
107th Wettest
Wettest since:
1995
Ties: 1898
Feb–Sep 1946
8-Month
6.68"
(169.67mm)
10.80"
(274.32mm)
-4.12"
(-104.65mm)
16th Driest
Driest since:
2021
113th Wettest
Wettest since:
1998
Jan–Sep 1946
9-Month
8.18"
(207.77mm)
15.05"
(382.27mm)
-6.87"
(-174.50mm)
10th Driest
Driest since:
2022
119th Wettest
Wettest since:
1998
Ties: 1947
Dec 1945–Sep 1946
10-Month
15.05"
(382.27mm)
18.67"
(474.22mm)
-3.62"
(-91.95mm)
45th Driest
Driest since:
1924
83rd Wettest
Wettest since:
1983
Nov 1945–Sep 1946
11-Month
18.17"
(461.52mm)
21.25"
(539.75mm)
-3.08"
(-78.23mm)
55th Driest
Driest since:
1924
73rd Wettest
Wettest since:
1983
Oct 1945–Sep 1946
12-Month
21.10"
(535.94mm)
22.45"
(570.23mm)
-1.35"
(-34.29mm)
62nd Driest
Driest since:
1924
66th Wettest
Wettest since:
1983
Apr 1945–Sep 1946
18-Month
24.42"
(620.27mm)
26.19"
(665.23mm)
-1.77"
(-44.96mm)
61st Driest
Driest since:
2021
67th Wettest
Wettest since:
1983
Oct 1944–Sep 1946
24-Month
43.38"
(1,101.85mm)
44.90"
(1,140.46mm)
-1.52"
(-38.61mm)
58th Driest
Driest since:
1977
69th Wettest
Wettest since:
1983
Oct 1943–Sep 1946
36-Month
62.06"
(1,576.32mm)
67.32"
(1,709.93mm)
-5.26"
(-133.61mm)
49th Driest
Driest since:
2022
77th Wettest
Wettest since:
1984
Oct 1942–Sep 1946
48-Month
87.34"
(2,218.44mm)
89.51"
(2,273.55mm)
-2.17"
(-55.11mm)
62nd Driest
Driest since:
2015
63rd Wettest
Wettest since:
1998
Oct 1941–Sep 1946
60-Month
113.49"
(2,882.65mm)
111.69"
(2,836.93mm)
1.80"
(45.72mm)
73rd Driest
Driest since:
1991
51st Wettest
Wettest since:
1999

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