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


Northwest Climate Region

Precipitation Rankings, December 2012

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 2012
1-Month
6.26"
(159.00mm)
4.63"
(117.60mm)
1.63"
(41.40mm)
110th Driest Driest since: 2011 1976
18th Wettest Wettest since: 2010 1964
Nov–Dec 2012
2-Month
11.28"
(286.51mm)
8.97"
(227.84mm)
2.31"
(58.67mm)
107th Driest Driest since: 2011 1976
21st Wettest Wettest since: 2006 1996
Oct–Dec 2012
3-Month
15.29"
(388.37mm)
11.51"
(292.35mm)
3.78"
(96.02mm)
115th Driest Driest since: 2011 1976
13th Wettest Wettest since: 1996 1996
Sep–Dec 2012
4-Month
15.48"
(393.19mm)
12.93"
(328.42mm)
2.55"
(64.77mm)
99th Driest Driest since: 2011 1976
29th Wettest Wettest since: 2010 1996
Aug–Dec 2012
5-Month
15.63"
(397.00mm)
13.73"
(348.74mm)
1.90"
(48.26mm)
89th Driest Driest since: 2011 1936
39th Wettest Wettest since: 2010 1996
Jul–Dec 2012
6-Month
16.51"
(419.35mm)
14.46"
(367.28mm)
2.05"
(52.07mm)
94th Driest Driest since: 2011 1936
34th Wettest Wettest since: 2010 1996
Jun–Dec 2012
7-Month
19.08"
(484.63mm)
16.18"
(410.97mm)
2.90"
(73.66mm)
102nd Driest Driest since: 2011 1976
26th Wettest Wettest since: 2010 1996
May–Dec 2012
8-Month
21.09"
(535.69mm)
18.32"
(465.33mm)
2.77"
(70.36mm)
101st Driest Driest since: 2011 1935
27th Wettest Wettest since: 2010 1996
Apr–Dec 2012
9-Month
24.17"
(613.92mm)
20.67"
(525.02mm)
3.50"
(88.90mm)
107th Driest Driest since: 2011 1976
21st Wettest Wettest since: 2010 1996
Mar–Dec 2012
10-Month
30.55"
(775.97mm)
23.93"
(607.82mm)
6.62"
(168.15mm)
123rd Driest Driest since: 2011 1976
5th Wettest Wettest since: 1996 1996
Feb–Dec 2012
11-Month
33.58"
(852.93mm)
27.54"
(699.52mm)
6.04"
(153.41mm)
119th Driest Driest since: 2011 1935
9th Wettest Wettest since: 1996 1996
Jan–Dec 2012
12-Month
38.70"
(982.98mm)
32.07"
(814.58mm)
6.63"
(168.40mm)
120th Driest Driest since: 2011 1929
8th Wettest Wettest since: 1998 1996
Jul 2011–Dec 2012
18-Month
49.03"
(1,245.36mm)
46.58"
(1,183.13mm)
2.45"
(62.23mm)
90th Driest Driest since: 2009 1929
37th Wettest Wettest since: 2011 1996
Jan 2011–Dec 2012
24-Month
70.93"
(1,801.62mm)
64.19"
(1,630.43mm)
6.74"
(171.19mm)
113th Driest Driest since: 2011 1930
14th Wettest Wettest since: 1999 1996
Jan 2010–Dec 2012
36-Month
107.45"
(2,729.23mm)
96.33"
(2,446.78mm)
11.12"
(282.45mm)
117th Driest Driest since: 2011 1930
9th Wettest Wettest since: 1999 1997
Jan 2009–Dec 2012
48-Month
136.81"
(3,474.97mm)
128.33"
(3,259.58mm)
8.48"
(215.39mm)
104th Driest Driest since: 2011 1931
21st Wettest Wettest since: 1999 1998
Jan 2008–Dec 2012
60-Month
165.58"
(4,205.73mm)
160.34"
(4,072.64mm)
5.24"
(133.09mm)
90th Driest Driest since: 2011 1932
34th Wettest Wettest since: 2000 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2022, retrieved on January 28, 2022 from https://www.ncdc.noaa.gov/cag/