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 2021. For more information, please see Climatological Rankings.


California

Precipitation Rankings, September 2017

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 2017
1-Month
0.43"
(10.92mm)
0.45"
(11.43mm)
-0.02"
(-0.51mm)
83rd Driest Driest since: 2016 1974
45th Wettest Wettest since: 2014 1918
Ties: 1921
Aug–Sep 2017
2-Month
0.70"
(17.78mm)
0.69"
(17.53mm)
0.01"
(0.25mm)
85th Driest Driest since: 2016 1937, 2018
43rd Wettest Wettest since: 2014 1983
Ties: 1921, 1941, 1945, 1955, 1973
Jul–Sep 2017
3-Month
0.79"
(20.07mm)
0.87"
(22.10mm)
-0.08"
(-2.03mm)
69th Driest Driest since: 2016 1928
59th Wettest Wettest since: 2015 1976
Jun–Sep 2017
4-Month
1.05"
(26.67mm)
1.22"
(30.99mm)
-0.17"
(-4.32mm)
58th Driest Driest since: 2016 2002
70th Wettest Wettest since: 2015 1982
Ties: 1922, 1938
May–Sep 2017
5-Month
1.48"
(37.59mm)
2.10"
(53.34mm)
-0.62"
(-15.75mm)
30th Driest Driest since: 2016 1924
98th Wettest Wettest since: 2015 1998
Ties: 1917, 1940
Apr–Sep 2017
6-Month
4.24"
(107.70mm)
3.74"
(95.00mm)
0.50"
(12.70mm)
93rd Driest Driest since: 2016 1924
35th Wettest Wettest since: 2010 1896
Mar–Sep 2017
7-Month
6.69"
(169.93mm)
6.95"
(176.53mm)
-0.26"
(-6.60mm)
71st Driest Driest since: 2015 2008
57th Wettest Wettest since: 2016 1995
Ties: 1902
Feb–Sep 2017
8-Month
14.63"
(371.60mm)
10.80"
(274.32mm)
3.83"
(97.28mm)
113th Driest Driest since: 2016 2021
15th Wettest Wettest since: 1998 1998
Jan–Sep 2017
9-Month
24.55"
(623.57mm)
15.05"
(382.27mm)
9.50"
(241.30mm)
122nd Driest Driest since: 2016 2013
6th Wettest Wettest since: 1998 1998
Dec 2016–Sep 2017
10-Month
29.04"
(737.62mm)
18.67"
(474.22mm)
10.37"
(263.40mm)
119th Driest Driest since: 2016 1924
8th Wettest Wettest since: 1998 1983
Nov 2016–Sep 2017
11-Month
31.20"
(792.48mm)
21.25"
(539.75mm)
9.95"
(252.73mm)
120th Driest Driest since: 2016 1924
7th Wettest Wettest since: 1998 1983
Oct 2016–Sep 2017
12-Month
35.02"
(889.51mm)
22.45"
(570.23mm)
12.57"
(319.28mm)
123rd Driest Driest since: 2016 1924
4th Wettest Wettest since: 1998 1983
Apr 2016–Sep 2017
18-Month
37.80"
(960.12mm)
26.19"
(665.23mm)
11.61"
(294.89mm)
121st Driest Driest since: 2016 2021
6th Wettest Wettest since: 1998 1983
Oct 2015–Sep 2017
24-Month
57.74"
(1,466.60mm)
44.90"
(1,140.46mm)
12.84"
(326.14mm)
116th Driest Driest since: 2016 1977
10th Wettest Wettest since: 2006 1983
Oct 2014–Sep 2017
36-Month
74.52"
(1,892.81mm)
67.32"
(1,709.93mm)
7.20"
(182.88mm)
95th Driest Driest since: 2016 2014
30th Wettest Wettest since: 2006 1984
Oct 2013–Sep 2017
48-Month
86.91"
(2,207.51mm)
89.51"
(2,273.55mm)
-2.60"
(-66.04mm)
60th Driest Driest since: 2016 2015
64th Wettest Wettest since: 2008 1998
Oct 2012–Sep 2017
60-Month
103.86"
(2,638.04mm)
111.69"
(2,836.93mm)
-7.83"
(-198.89mm)
46th Driest Driest since: 2016 1991
77th Wettest Wettest since: 2009 1999
Ties: 1947

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 19, 2021 from https://www.ncdc.noaa.gov/cag/