Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2021. For more information, please see Climatological Rankings.


California

Precipitation Rankings, September 1947

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1947
1-Month
0.11"
(2.79mm)
0.45"
(11.43mm)
-0.34"
(-8.64mm)
22nd Driest Driest since: 1944 1974
106th Wettest Wettest since: 1946 1918
Ties: 1922, 1926, 1949, 1988, 2002
Aug–Sep 1947
2-Month
0.34"
(8.64mm)
0.69"
(17.53mm)
-0.35"
(-8.89mm)
35th Driest Driest since: 1944 1937, 2018
93rd Wettest Wettest since: 1946 1983
Jul–Sep 1947
3-Month
0.43"
(10.92mm)
0.87"
(22.10mm)
-0.44"
(-11.18mm)
30th Driest Driest since: 1944 1928
98th Wettest Wettest since: 1946 1976
Jun–Sep 1947
4-Month
1.19"
(30.23mm)
1.22"
(30.99mm)
-0.03"
(-0.76mm)
71st Driest Driest since: 1946 2002
57th Wettest Wettest since: 1945 1982
May–Sep 1947
5-Month
1.67"
(42.42mm)
2.10"
(53.34mm)
-0.43"
(-10.92mm)
44th Driest Driest since: 1946 1924
84th Wettest Wettest since: 1945 1998
Ties: 1897, 1980
Apr–Sep 1947
6-Month
2.43"
(61.72mm)
3.74"
(95.00mm)
-1.31"
(-33.28mm)
20th Driest Driest since: 1946 1924
108th Wettest Wettest since: 1945 1896
Mar–Sep 1947
7-Month
5.42"
(137.67mm)
6.95"
(176.53mm)
-1.53"
(-38.86mm)
46th Driest Driest since: 1946 2008
82nd Wettest Wettest since: 1945 1995
Feb–Sep 1947
8-Month
7.22"
(183.39mm)
10.80"
(274.32mm)
-3.58"
(-90.93mm)
22nd Driest Driest since: 1946 2021
106th Wettest Wettest since: 1945 1998
Ties: 1929
Jan–Sep 1947
9-Month
8.18"
(207.77mm)
15.05"
(382.27mm)
-6.87"
(-174.50mm)
9th Driest Driest since: 1946 2013
119th Wettest Wettest since: 1946 1998
Ties: 1946
Dec 1946–Sep 1947
10-Month
10.95"
(278.13mm)
18.67"
(474.22mm)
-7.72"
(-196.09mm)
7th Driest Driest since: 1924 1924
120th Wettest Wettest since: 1946 1983
Nov 1946–Sep 1947
11-Month
15.50"
(393.70mm)
21.25"
(539.75mm)
-5.75"
(-146.05mm)
22nd Driest Driest since: 1939 1924
105th Wettest Wettest since: 1946 1983
Oct 1946–Sep 1947
12-Month
16.52"
(419.61mm)
22.45"
(570.23mm)
-5.93"
(-150.62mm)
23rd Driest Driest since: 1939 1924
104th Wettest Wettest since: 1946 1983
Apr 1946–Sep 1947
18-Month
18.32"
(465.33mm)
26.19"
(665.23mm)
-7.87"
(-199.90mm)
11th Driest Driest since: 1931 2021
116th Wettest Wettest since: 1946 1983
Oct 1945–Sep 1947
24-Month
37.62"
(955.55mm)
44.90"
(1,140.46mm)
-7.28"
(-184.91mm)
32nd Driest Driest since: 1934 1977
94th Wettest Wettest since: 1946 1983
Oct 1944–Sep 1947
36-Month
59.90"
(1,521.46mm)
67.32"
(1,709.93mm)
-7.42"
(-188.47mm)
38th Driest Driest since: 1935 2014
87th Wettest Wettest since: 1946 1984
Oct 1943–Sep 1947
48-Month
78.58"
(1,995.93mm)
89.51"
(2,273.55mm)
-10.93"
(-277.62mm)
26th Driest Driest since: 1934 2015
98th Wettest Wettest since: 1946 1998
Oct 1942–Sep 1947
60-Month
103.86"
(2,638.04mm)
111.69"
(2,836.93mm)
-7.83"
(-198.89mm)
46th Driest Driest since: 1937 1991
77th Wettest Wettest since: 1946 1999
Ties: 2017

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 16, 2021 from https://www.ncdc.noaa.gov/cag/