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 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2020
1-Month
0.04"
(1.02mm)
0.45"
(11.43mm)
-0.41"
(-10.41mm)
2nd Driest Driest since: 2008 1974
126th Wettest Wettest since: 2019 1918
Ties: 1953, 1970, 1993, 2008
Aug–Sep 2020
2-Month
0.14"
(3.56mm)
0.69"
(17.53mm)
-0.55"
(-13.97mm)
8th Driest Driest since: 2018 1937, 2018
120th Wettest Wettest since: 2019 1983
Ties: 1987
Jul–Sep 2020
3-Month
0.19"
(4.83mm)
0.87"
(22.10mm)
-0.68"
(-17.27mm)
3rd Driest Driest since: 2002 1928
125th Wettest Wettest since: 2019 1976
Jun–Sep 2020
4-Month
0.35"
(8.89mm)
1.22"
(30.99mm)
-0.87"
(-22.10mm)
4th Driest Driest since: 2008 2002
124th Wettest Wettest since: 2019 1982
May–Sep 2020
5-Month
1.55"
(39.37mm)
2.10"
(53.34mm)
-0.55"
(-13.97mm)
39th Driest Driest since: 2018 1924
89th Wettest Wettest since: 2019 1998
Apr–Sep 2020
6-Month
3.54"
(89.92mm)
3.74"
(95.00mm)
-0.20"
(-5.08mm)
74th Driest Driest since: 2018 1924
54th Wettest Wettest since: 2019 1896
Ties: 1952
Mar–Sep 2020
7-Month
6.73"
(170.94mm)
6.95"
(176.53mm)
-0.22"
(-5.59mm)
73rd Driest Driest since: 2017 2008
55th Wettest Wettest since: 2019 1995
Feb–Sep 2020
8-Month
6.94"
(176.28mm)
10.80"
(274.32mm)
-3.86"
(-98.04mm)
19th Driest Driest since: 2015 2021
109th Wettest Wettest since: 2019 1998
Jan–Sep 2020
9-Month
9.00"
(228.60mm)
15.05"
(382.27mm)
-6.05"
(-153.67mm)
18th Driest Driest since: 2015 2013
110th Wettest Wettest since: 2019 1998
Dec 2019–Sep 2020
10-Month
13.87"
(352.30mm)
18.67"
(474.22mm)
-4.80"
(-121.92mm)
28th Driest Driest since: 2018 1924
99th Wettest Wettest since: 2019 1983
Nov 2019–Sep 2020
11-Month
15.48"
(393.19mm)
21.25"
(539.75mm)
-5.77"
(-146.56mm)
20th Driest Driest since: 2018 1924
107th Wettest Wettest since: 2019 1983
Ties: 2018
Oct 2019–Sep 2020
12-Month
15.64"
(397.26mm)
22.45"
(570.23mm)
-6.81"
(-172.97mm)
14th Driest Driest since: 2014 1924
113th Wettest Wettest since: 2019 1983
Apr 2019–Sep 2020
18-Month
20.27"
(514.86mm)
26.19"
(665.23mm)
-5.92"
(-150.37mm)
28th Driest Driest since: 2018 2021
99th Wettest Wettest since: 2019 1983
Oct 2018–Sep 2020
24-Month
44.01"
(1,117.85mm)
44.90"
(1,140.46mm)
-0.89"
(-22.61mm)
64th Driest Driest since: 2016 1977
62nd Wettest Wettest since: 2019 1983
Oct 2017–Sep 2020
36-Month
59.83"
(1,519.68mm)
67.32"
(1,709.93mm)
-7.49"
(-190.25mm)
37th Driest Driest since: 2016 2014
88th Wettest Wettest since: 2019 1984
Oct 2016–Sep 2020
48-Month
94.85"
(2,409.19mm)
89.51"
(2,273.55mm)
5.34"
(135.64mm)
86th Driest Driest since: 2018 2015
38th Wettest Wettest since: 2019 1998
Oct 2015–Sep 2020
60-Month
117.57"
(2,986.28mm)
111.69"
(2,836.93mm)
5.88"
(149.35mm)
85th Driest Driest since: 2018 1991
38th Wettest Wettest since: 2019 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 2, 2021 from https://www.ncdc.noaa.gov/cag/