Climate at a Glance

Regional 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 2022. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 2011

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2011
1-Month
2.38"
(60.45mm)
4.63"
(117.60mm)
-2.25"
(-57.15mm)
11th Driest Driest since: 1989 1976
117th Wettest Wettest since: 2010 1964
Nov–Dec 2011
2-Month
6.09"
(154.69mm)
8.97"
(227.84mm)
-2.88"
(-73.15mm)
20th Driest Driest since: 2004 1976
108th Wettest Wettest since: 2010 1996
Oct–Dec 2011
3-Month
8.76"
(222.50mm)
11.51"
(292.35mm)
-2.75"
(-69.85mm)
20th Driest Driest since: 2000 1976
108th Wettest Wettest since: 2010 1996
Ties: 1895
Sep–Dec 2011
4-Month
9.33"
(236.98mm)
12.93"
(328.42mm)
-3.60"
(-91.44mm)
14th Driest Driest since: 2000 1976
114th Wettest Wettest since: 2010 1996
Aug–Dec 2011
5-Month
9.59"
(243.59mm)
13.73"
(348.74mm)
-4.14"
(-105.15mm)
12th Driest Driest since: 2000 1936
116th Wettest Wettest since: 2010 1996
Jul–Dec 2011
6-Month
10.33"
(262.38mm)
14.46"
(367.28mm)
-4.13"
(-104.90mm)
12th Driest Driest since: 2000 1936
116th Wettest Wettest since: 2010 1996
Jun–Dec 2011
7-Month
11.95"
(303.53mm)
16.18"
(410.97mm)
-4.23"
(-107.44mm)
12th Driest Driest since: 2002 1976
116th Wettest Wettest since: 2010 1996
Ties: 1987
May–Dec 2011
8-Month
15.45"
(392.43mm)
18.32"
(465.33mm)
-2.87"
(-72.90mm)
27th Driest Driest since: 2002 1935
101st Wettest Wettest since: 2010 1996
Apr–Dec 2011
9-Month
19.33"
(490.98mm)
20.67"
(525.02mm)
-1.34"
(-34.04mm)
49th Driest Driest since: 2008 1976
79th Wettest Wettest since: 2010 1996
Mar–Dec 2011
10-Month
25.25"
(641.35mm)
23.93"
(607.82mm)
1.32"
(33.53mm)
82nd Driest Driest since: 2009 1976
46th Wettest Wettest since: 2010 1996
Feb–Dec 2011
11-Month
28.28"
(718.31mm)
27.54"
(699.52mm)
0.74"
(18.79mm)
69th Driest Driest since: 2009 1935
59th Wettest Wettest since: 2010 1996
Jan–Dec 2011
12-Month
32.23"
(818.64mm)
32.07"
(814.58mm)
0.16"
(4.06mm)
71st Driest Driest since: 2009 1929
57th Wettest Wettest since: 2010 1996
Jul 2010–Dec 2011
18-Month
49.21"
(1,249.93mm)
46.58"
(1,183.13mm)
2.63"
(66.80mm)
93rd Driest Driest since: 2010 1929
34th Wettest Wettest since: 2006 1996
Jan 2010–Dec 2011
24-Month
68.75"
(1,746.25mm)
64.19"
(1,630.43mm)
4.56"
(115.82mm)
104th Driest Driest since: 2010 1930
23rd Wettest Wettest since: 1999 1996
Jan 2009–Dec 2011
36-Month
98.11"
(2,491.99mm)
96.33"
(2,446.78mm)
1.78"
(45.21mm)
78th Driest Driest since: 2010 1930
48th Wettest Wettest since: 2006 1997
Jan 2008–Dec 2011
48-Month
126.88"
(3,222.75mm)
128.33"
(3,259.58mm)
-1.45"
(-36.83mm)
56th Driest Driest since: 2010 1931
69th Wettest Wettest since: 2007 1998
Jan 2007–Dec 2011
60-Month
155.75"
(3,956.05mm)
160.34"
(4,072.64mm)
-4.59"
(-116.59mm)
41st Driest Driest since: 2009 1932
83rd Wettest Wettest since: 2010 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/