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 October 2021. 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
0.35"
(8.89mm)
0.45"
(11.43mm)
-0.10"
(-2.54mm)
77th Driest Driest since: 2020 1974
51st Wettest Wettest since: 2019 1918
Ties: 1955, 2000
Aug–Sep 2021
2-Month
0.45"
(11.43mm)
0.69"
(17.53mm)
-0.24"
(-6.10mm)
52nd Driest Driest since: 2020 1937, 2018
76th Wettest Wettest since: 2019 1983
Ties: 1905
Jul–Sep 2021
3-Month
0.74"
(18.80mm)
0.87"
(22.10mm)
-0.13"
(-3.30mm)
65th Driest Driest since: 2020 1928
63rd Wettest Wettest since: 2019 1976
Ties: 1897
Jun–Sep 2021
4-Month
0.88"
(22.35mm)
1.22"
(30.99mm)
-0.34"
(-8.64mm)
40th Driest Driest since: 2020 2002
88th Wettest Wettest since: 2019 1982
Ties: 1900, 1944, 1946
May–Sep 2021
5-Month
0.99"
(25.15mm)
2.10"
(53.34mm)
-1.11"
(-28.19mm)
8th Driest Driest since: 2008 1924
120th Wettest Wettest since: 2020 1998
Apr–Sep 2021
6-Month
1.28"
(32.51mm)
3.74"
(95.00mm)
-2.46"
(-62.49mm)
3rd Driest Driest since: 2008 1924
125th Wettest Wettest since: 2020 1896
Mar–Sep 2021
7-Month
3.01"
(76.45mm)
6.95"
(176.53mm)
-3.94"
(-100.08mm)
3rd Driest Driest since: 2008 2008
125th Wettest Wettest since: 2020 1995
Feb–Sep 2021
8-Month
4.40"
(111.76mm)
10.80"
(274.32mm)
-6.40"
(-162.56mm)
1st Driest Driest to Date 2021
127th Wettest Wettest since: 2020 1998
Jan–Sep 2021
9-Month
8.05"
(204.47mm)
15.05"
(382.27mm)
-7.00"
(-177.80mm)
8th Driest Driest since: 2015 2013
120th Wettest Wettest since: 2020 1998
Dec 2020–Sep 2021
10-Month
9.88"
(250.95mm)
18.67"
(474.22mm)
-8.79"
(-223.27mm)
4th Driest Driest since: 1977 1924
123rd Wettest Wettest since: 2020 1983
Nov 2020–Sep 2021
11-Month
11.07"
(281.18mm)
21.25"
(539.75mm)
-10.18"
(-258.57mm)
3rd Driest Driest since: 1977 1924
124th Wettest Wettest since: 2020 1983
Oct 2020–Sep 2021
12-Month
11.12"
(282.45mm)
22.45"
(570.23mm)
-11.33"
(-287.78mm)
3rd Driest Driest since: 1977 1924
124th Wettest Wettest since: 2020 1983
Apr 2020–Sep 2021
18-Month
14.66"
(372.36mm)
26.19"
(665.23mm)
-11.53"
(-292.87mm)
1st Driest Driest to Date 2021
126th Wettest Wettest since: 2020 1983
Oct 2019–Sep 2021
24-Month
26.76"
(679.70mm)
44.90"
(1,140.46mm)
-18.14"
(-460.76mm)
2nd Driest Driest since: 1977 1977
124th Wettest Wettest since: 2020 1983
Oct 2018–Sep 2021
36-Month
55.13"
(1,400.30mm)
67.32"
(1,709.93mm)
-12.19"
(-309.63mm)
24th Driest Driest since: 2016 2014
101st Wettest Wettest since: 2020 1984
Oct 2017–Sep 2021
48-Month
70.95"
(1,802.13mm)
89.51"
(2,273.55mm)
-18.56"
(-471.42mm)
11th Driest Driest since: 2016 2015
113th Wettest Wettest since: 2020 1998
Oct 2016–Sep 2021
60-Month
105.97"
(2,691.64mm)
111.69"
(2,836.93mm)
-5.72"
(-145.29mm)
54th Driest Driest since: 2018 1991
69th Wettest Wettest since: 2020 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 5, 2021 from https://www.ncdc.noaa.gov/cag/