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


California

Precipitation Rankings, September 1939

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1939
1-Month
1.11"
(28.19mm)
0.45"
(11.43mm)
0.66"
(16.76mm)
117th Driest Driest since: 1938 1974
10th Wettest Wettest since: 1923 1918
Aug–Sep 1939
2-Month
1.29"
(32.77mm)
0.69"
(17.53mm)
0.60"
(15.24mm)
114th Driest Driest since: 1938 1937, 2018
13th Wettest Wettest since: 1923 1983
Jul–Sep 1939
3-Month
1.47"
(37.34mm)
0.87"
(22.10mm)
0.60"
(15.24mm)
114th Driest Driest since: 1938 1928
13th Wettest Wettest since: 1923 1976
Ties: 1984
Jun–Sep 1939
4-Month
1.60"
(40.64mm)
1.22"
(30.99mm)
0.38"
(9.65mm)
102nd Driest Driest since: 1938 2002
25th Wettest Wettest since: 1936 1982
May–Sep 1939
5-Month
2.63"
(66.80mm)
2.10"
(53.34mm)
0.53"
(13.46mm)
98th Driest Driest since: 1938 1924
29th Wettest Wettest since: 1925 1998
Apr–Sep 1939
6-Month
3.18"
(80.77mm)
3.74"
(95.00mm)
-0.56"
(-14.23mm)
50th Driest Driest since: 1937 1924
77th Wettest Wettest since: 1938 1896
Ties: 2018
Mar–Sep 1939
7-Month
5.83"
(148.08mm)
6.95"
(176.53mm)
-1.12"
(-28.45mm)
55th Driest Driest since: 1936 2008
72nd Wettest Wettest since: 1938 1995
Feb–Sep 1939
8-Month
7.80"
(198.12mm)
10.80"
(274.32mm)
-3.00"
(-76.20mm)
33rd Driest Driest since: 1934 2008
94th Wettest Wettest since: 1938 1998
Ties: 1932
Jan–Sep 1939
9-Month
10.87"
(276.10mm)
15.05"
(382.27mm)
-4.18"
(-106.17mm)
31st Driest Driest since: 1934 2013
96th Wettest Wettest since: 1938 1998
Dec 1938–Sep 1939
10-Month
13.60"
(345.44mm)
18.67"
(474.22mm)
-5.07"
(-128.78mm)
23rd Driest Driest since: 1931 1924
103rd Wettest Wettest since: 1938 1983
Nov 1938–Sep 1939
11-Month
14.84"
(376.94mm)
21.25"
(539.75mm)
-6.41"
(-162.81mm)
15th Driest Driest since: 1934 1924
111th Wettest Wettest since: 1938 1983
Oct 1938–Sep 1939
12-Month
16.35"
(415.29mm)
22.45"
(570.23mm)
-6.10"
(-154.94mm)
20th Driest Driest since: 1934 1924
106th Wettest Wettest since: 1938 1983
Apr 1938–Sep 1939
18-Month
19.71"
(500.63mm)
26.19"
(665.23mm)
-6.48"
(-164.60mm)
19th Driest Driest since: 1934 1977
107th Wettest Wettest since: 1938 1983
Oct 1937–Sep 1939
24-Month
50.06"
(1,271.52mm)
44.90"
(1,140.46mm)
5.16"
(131.06mm)
96th Driest Driest since: 1937 1977
29th Wettest Wettest since: 1938 1983
Oct 1936–Sep 1939
36-Month
73.18"
(1,858.77mm)
67.32"
(1,709.93mm)
5.86"
(148.84mm)
89th Driest Driest since: 1937 2014
35th Wettest Wettest since: 1938 1984
Oct 1935–Sep 1939
48-Month
96.24"
(2,444.50mm)
89.51"
(2,273.55mm)
6.73"
(170.95mm)
89th Driest Driest since: 1937 2015
34th Wettest Wettest since: 1938 1998
Oct 1934–Sep 1939
60-Month
121.20"
(3,078.48mm)
111.69"
(2,836.93mm)
9.51"
(241.55mm)
95th Driest Driest since: 1938 1991
27th Wettest Wettest since: 1911 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 28, 2021 from https://www.ncdc.noaa.gov/cag/