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 2020. For more information, please see Climatological Rankings.


California

Precipitation Rankings, September 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 2020
1-Month
0.05"
(1.27mm)
0.45"
(11.43mm)
-0.40"
(-10.16mm)
6th Driest Driest since: 2008 1974
121st Wettest Wettest since: 2019 1918
Ties: 1902, 1992
Aug–Sep 2020
2-Month
0.16"
(4.06mm)
0.69"
(17.53mm)
-0.53"
(-13.47mm)
9th Driest Driest since: 2018 1937, 2018
118th Wettest Wettest since: 2019 1983
Ties: 2008, 2016
Jul–Sep 2020
3-Month
0.21"
(5.33mm)
0.87"
(22.10mm)
-0.66"
(-16.77mm)
3rd Driest Driest since: 2002 1928
124th Wettest Wettest since: 2019 1976
Jun–Sep 2020
4-Month
0.36"
(9.14mm)
1.22"
(30.99mm)
-0.86"
(-21.85mm)
4th Driest Driest since: 2008 2002
123rd Wettest Wettest since: 2019 1982
May–Sep 2020
5-Month
1.56"
(39.62mm)
2.10"
(53.34mm)
-0.54"
(-13.72mm)
38th 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)
73rd Driest Driest since: 2018 1924
54th Wettest Wettest since: 2019 1896
Ties: 1952
Mar–Sep 2020
7-Month
6.74"
(171.20mm)
6.95"
(176.53mm)
-0.21"
(-5.33mm)
72nd Driest Driest since: 2017 2008
55th Wettest Wettest since: 2019 1995
Feb–Sep 2020
8-Month
6.95"
(176.53mm)
10.80"
(274.32mm)
-3.85"
(-97.79mm)
18th Driest Driest since: 2015 2008
109th Wettest Wettest since: 2019 1998
Jan–Sep 2020
9-Month
9.01"
(228.85mm)
15.05"
(382.27mm)
-6.04"
(-153.42mm)
17th Driest Driest since: 2015 2013
110th Wettest Wettest since: 2019 1998
Dec 2019–Sep 2020
10-Month
13.88"
(352.55mm)
18.67"
(474.22mm)
-4.79"
(-121.67mm)
27th Driest Driest since: 2018 1924
99th Wettest Wettest since: 2019 1983
Ties: 2015
Nov 2019–Sep 2020
11-Month
15.49"
(393.45mm)
21.25"
(539.75mm)
-5.76"
(-146.30mm)
20th Driest Driest since: 2018 1924
106th Wettest Wettest since: 2019 1983
Oct 2019–Sep 2020
12-Month
15.65"
(397.51mm)
22.45"
(570.23mm)
-6.80"
(-172.72mm)
13th Driest Driest since: 2014 1924
113th Wettest Wettest since: 2019 1983
Apr 2019–Sep 2020
18-Month
20.28"
(515.11mm)
26.19"
(665.23mm)
-5.91"
(-150.12mm)
27th Driest Driest since: 2018 1977
99th Wettest Wettest since: 2019 1983
Oct 2018–Sep 2020
24-Month
44.02"
(1,118.11mm)
44.90"
(1,140.46mm)
-0.88"
(-22.35mm)
63rd Driest Driest since: 2016 1977
62nd Wettest Wettest since: 2019 1983
Oct 2017–Sep 2020
36-Month
59.84"
(1,519.94mm)
67.32"
(1,709.93mm)
-7.48"
(-189.99mm)
36th Driest Driest since: 2016 2014
88th Wettest Wettest since: 2019 1984
Oct 2016–Sep 2020
48-Month
94.86"
(2,409.44mm)
89.51"
(2,273.55mm)
5.35"
(135.89mm)
85th Driest Driest since: 2018 2015
38th Wettest Wettest since: 2019 1998
Oct 2015–Sep 2020
60-Month
117.58"
(2,986.53mm)
111.69"
(2,836.93mm)
5.89"
(149.60mm)
84th 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 October 2020, retrieved on October 23, 2020 from https://www.ncdc.noaa.gov/cag/