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 June 2021. For more information, please see Climatological Rankings.


California

Precipitation Rankings, September 2018

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 2018
1-Month
0.06"
(1.52mm)
0.45"
(11.43mm)
-0.39"
(-9.91mm)
9th Driest Driest since: 2008 1974
118th Wettest Wettest since: 2017 1918
Ties: 2006
Aug–Sep 2018
2-Month
0.10"
(2.54mm)
0.69"
(17.53mm)
-0.59"
(-14.99mm)
1st Driest Driest since: 1937 1937, 2018
126th Wettest Wettest since: 2017 1983
Ties: 1937
Jul–Sep 2018
3-Month
0.32"
(8.13mm)
0.87"
(22.10mm)
-0.55"
(-13.97mm)
13th Driest Driest since: 2016 1928
114th Wettest Wettest since: 2017 1976
Ties: 1924, 1943
Jun–Sep 2018
4-Month
0.39"
(9.91mm)
1.22"
(30.99mm)
-0.83"
(-21.08mm)
6th Driest Driest since: 2008 2002
121st Wettest Wettest since: 2017 1982
May–Sep 2018
5-Month
1.05"
(26.67mm)
2.10"
(53.34mm)
-1.05"
(-26.67mm)
10th Driest Driest since: 2008 1924
117th Wettest Wettest since: 2017 1998
Apr–Sep 2018
6-Month
3.18"
(80.77mm)
3.74"
(95.00mm)
-0.56"
(-14.23mm)
50th Driest Driest since: 2016 1924
77th Wettest Wettest since: 2017 1896
Ties: 1939
Mar–Sep 2018
7-Month
8.30"
(210.82mm)
6.95"
(176.53mm)
1.35"
(34.29mm)
95th Driest Driest since: 2017 2008
32nd Wettest Wettest since: 2012 1995
Feb–Sep 2018
8-Month
8.87"
(225.30mm)
10.80"
(274.32mm)
-1.93"
(-49.02mm)
50th Driest Driest since: 2016 2008
77th Wettest Wettest since: 2017 1998
Ties: 1903, 2016
Jan–Sep 2018
9-Month
12.20"
(309.88mm)
15.05"
(382.27mm)
-2.85"
(-72.39mm)
47th Driest Driest since: 2015 2013
80th Wettest Wettest since: 2017 1998
Dec 2017–Sep 2018
10-Month
12.50"
(317.50mm)
18.67"
(474.22mm)
-6.17"
(-156.72mm)
15th Driest Driest since: 2014 1924
111th Wettest Wettest since: 2017 1983
Nov 2017–Sep 2018
11-Month
15.48"
(393.19mm)
21.25"
(539.75mm)
-5.77"
(-146.56mm)
19th Driest Driest since: 2014 1924
107th Wettest Wettest since: 2017 1983
Oct 2017–Sep 2018
12-Month
15.82"
(401.83mm)
22.45"
(570.23mm)
-6.63"
(-168.40mm)
15th Driest Driest since: 2014 1924
111th Wettest Wettest since: 2017 1983
Apr 2017–Sep 2018
18-Month
20.06"
(509.52mm)
26.19"
(665.23mm)
-6.13"
(-155.71mm)
24th Driest Driest since: 2015 1977
102nd Wettest Wettest since: 2017 1983
Oct 2016–Sep 2018
24-Month
50.84"
(1,291.34mm)
44.90"
(1,140.46mm)
5.94"
(150.88mm)
98th Driest Driest since: 2016 1977
27th Wettest Wettest since: 2017 1983
Oct 2015–Sep 2018
36-Month
73.56"
(1,868.42mm)
67.32"
(1,709.93mm)
6.24"
(158.49mm)
90th Driest Driest since: 2016 2014
34th Wettest Wettest since: 2017 1984
Oct 2014–Sep 2018
48-Month
90.34"
(2,294.64mm)
89.51"
(2,273.55mm)
0.83"
(21.09mm)
72nd Driest Driest since: 2017 2015
51st Wettest Wettest since: 2007 1998
Oct 2013–Sep 2018
60-Month
102.73"
(2,609.34mm)
111.69"
(2,836.93mm)
-8.96"
(-227.59mm)
40th Driest Driest since: 2016 1991
82nd Wettest Wettest since: 2017 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on August 4, 2021 from https://www.ncdc.noaa.gov/cag/