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 January 2020. For more information, please see Climatological Rankings.


Washington

Precipitation Rankings, September 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1901
1-Month
2.97"
(75.44mm)
1.95"
(49.53mm)
1.02"
(25.91mm)
105th Driest Driest since: 1900 1975
21st Wettest Wettest to Date 2013
Ties: 1971
Aug–Sep 1901
2-Month
3.15"
(80.01mm)
2.97"
(75.44mm)
0.18"
(4.57mm)
76th Driest Driest since: 1898 2012
50th Wettest Wettest since: 1900 2013
Jul–Sep 1901
3-Month
3.77"
(95.76mm)
3.87"
(98.30mm)
-0.10"
(-2.54mm)
66th Driest Driest since: 1898 1929
60th Wettest Wettest since: 1900 1920, 1978
Jun–Sep 1901
4-Month
5.82"
(147.83mm)
5.76"
(146.30mm)
0.06"
(1.53mm)
73rd Driest Driest since: 1896 2003
53rd Wettest Wettest since: 1900 1948
May–Sep 1901
5-Month
8.16"
(207.26mm)
8.00"
(203.20mm)
0.16"
(4.06mm)
71st Driest Driest since: 1896 2003
55th Wettest Wettest since: 1900 1948
Apr–Sep 1901
6-Month
12.04"
(305.82mm)
10.83"
(275.08mm)
1.21"
(30.74mm)
91st Driest Driest since: 1898 1938
35th Wettest Wettest since: 1900 1948
Mar–Sep 1901
7-Month
15.13"
(384.30mm)
14.98"
(380.49mm)
0.15"
(3.81mm)
68th Driest Driest since: 1898 1924
58th Wettest Wettest since: 1900 1997
Feb–Sep 1901
8-Month
21.24"
(539.50mm)
19.72"
(500.89mm)
1.52"
(38.61mm)
86th Driest Driest since: 1898 1973
40th Wettest Wettest since: 1900 1948
Jan–Sep 1901
9-Month
27.98"
(710.69mm)
25.78"
(654.81mm)
2.20"
(55.88mm)
92nd Driest Driest since: 1900 1929
34th Wettest Wettest since: 1899 1972
Dec 1900–Sep 1901
10-Month
35.62"
(904.75mm)
32.30"
(820.42mm)
3.32"
(84.33mm)
95th Driest Driest since: 1900 1929
30th Wettest Wettest since: 1899 1997
Nov 1900–Sep 1901
11-Month
40.42"
(1,026.67mm)
38.43"
(976.12mm)
1.99"
(50.55mm)
79th Driest Driest since: 1896 1929
46th Wettest Wettest since: 1900 1997
Oct 1900–Sep 1901
12-Month
46.44"
(1,179.58mm)
42.12"
(1,069.85mm)
4.32"
(109.73mm)
92nd Driest Driest since: 1899 1977
33rd Wettest Wettest since: 1900 1997
Ties: 2010
Apr 1900–Sep 1901
18-Month
58.86"
(1,495.04mm)
52.97"
(1,345.44mm)
5.89"
(149.60mm)
99th Driest Driest since: 1899 1929
26th Wettest Wettest since: 1900 1997
Oct 1899–Sep 1901
24-Month
93.49"
(2,374.65mm)
84.27"
(2,140.46mm)
9.22"
(234.19mm)
107th Driest Driest since: 1900 1930
17th Wettest Wettest since: 1898 1997
Oct 1898–Sep 1901
36-Month
138.65"
(3,521.71mm)
126.34"
(3,209.04mm)
12.31"
(312.67mm)
103rd Driest Driest since: 1900 1931
20th Wettest Wettest since: 1899 1997
Oct 1897–Sep 1901
48-Month
184.16"
(4,677.66mm)
168.46"
(4,278.88mm)
15.70"
(398.78mm)
108th Driest Driest since: 1899 1931
14th Wettest Wettest since: 1900 1999
Oct 1896–Sep 1901
60-Month
232.63"
(5,908.80mm)
210.45"
(5,345.43mm)
22.18"
(563.37mm)
115th Driest Driest since: 1900 1930
6th Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 17, 2020 from https://www.ncdc.noaa.gov/cag/