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 August 2022. For more information, please see Climatological Rankings.


California

Precipitation Rankings, September 2021

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 2021
1-Month
0.36"
(9.14mm)
0.45"
(11.43mm)
-0.09"
(-2.29mm)
77th Driest Driest since: 2020 1974
51st Wettest Wettest since: 2019 1918
Aug–Sep 2021
2-Month
0.46"
(11.68mm)
0.69"
(17.53mm)
-0.23"
(-5.85mm)
53rd Driest Driest since: 2020 1937, 2018
75th Wettest Wettest since: 2019 1983
Ties: 1911, 1922
Jul–Sep 2021
3-Month
0.75"
(19.05mm)
0.87"
(22.10mm)
-0.12"
(-3.05mm)
66th Driest Driest since: 2020 1928
62nd Wettest Wettest since: 2019 1976
Ties: 2005
Jun–Sep 2021
4-Month
0.89"
(22.61mm)
1.22"
(30.99mm)
-0.33"
(-8.38mm)
43rd Driest Driest since: 2020 2002
85th Wettest Wettest since: 2019 1982
Ties: 1911
May–Sep 2021
5-Month
1.00"
(25.40mm)
2.10"
(53.34mm)
-1.10"
(-27.94mm)
8th Driest Driest since: 2008 1924
120th Wettest Wettest since: 2020 1998
Apr–Sep 2021
6-Month
1.29"
(32.77mm)
3.74"
(95.00mm)
-2.45"
(-62.23mm)
3rd Driest Driest since: 2008 1924
125th Wettest Wettest since: 2020 1896
Mar–Sep 2021
7-Month
3.02"
(76.71mm)
6.95"
(176.53mm)
-3.93"
(-99.82mm)
3rd Driest Driest since: 2008 2008
125th Wettest Wettest since: 2020 1995
Ties: 1966
Feb–Sep 2021
8-Month
4.41"
(112.01mm)
10.80"
(274.32mm)
-6.39"
(-162.31mm)
1st Driest Driest since: 2021 2021
127th Wettest Wettest since: 2020 1998
Jan–Sep 2021
9-Month
8.06"
(204.72mm)
15.05"
(382.27mm)
-6.99"
(-177.55mm)
8th Driest Driest since: 2015 2013
120th Wettest Wettest since: 2020 1998
Dec 2020–Sep 2021
10-Month
9.89"
(251.21mm)
18.67"
(474.22mm)
-8.78"
(-223.01mm)
4th Driest Driest since: 1977 1924
123rd Wettest Wettest since: 2020 1983
Nov 2020–Sep 2021
11-Month
11.08"
(281.43mm)
21.25"
(539.75mm)
-10.17"
(-258.32mm)
3rd Driest Driest since: 1977 1924
124th Wettest Wettest since: 2020 1983
Oct 2020–Sep 2021
12-Month
11.13"
(282.70mm)
22.45"
(570.23mm)
-11.32"
(-287.53mm)
3rd Driest Driest since: 1977 1924
124th Wettest Wettest since: 2020 1983
Apr 2020–Sep 2021
18-Month
14.67"
(372.62mm)
26.19"
(665.23mm)
-11.52"
(-292.61mm)
1st Driest Driest since: 2021 2021
126th Wettest Wettest since: 2020 1983
Oct 2019–Sep 2021
24-Month
26.77"
(679.96mm)
44.90"
(1,140.46mm)
-18.13"
(-460.50mm)
2nd Driest Driest since: 1977 1977
124th Wettest Wettest since: 2020 1983
Oct 2018–Sep 2021
36-Month
55.14"
(1,400.56mm)
67.32"
(1,709.93mm)
-12.18"
(-309.37mm)
24th Driest Driest since: 2016 2014
101st Wettest Wettest since: 2020 1984
Oct 2017–Sep 2021
48-Month
70.96"
(1,802.38mm)
89.51"
(2,273.55mm)
-18.55"
(-471.17mm)
11th Driest Driest since: 2016 2015
113th Wettest Wettest since: 2020 1998
Oct 2016–Sep 2021
60-Month
105.98"
(2,691.89mm)
111.69"
(2,836.93mm)
-5.71"
(-145.04mm)
54th Driest Driest since: 2018 1991
69th Wettest Wettest since: 2020 1999
Ties: 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/