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 October 2019. 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
(1895-2018)
Wettest/Driest
Since
Record
December 2012
1-Month
6.26"
(159.00mm)
4.63"
(117.60mm)
1.63"
(41.40mm)
107th 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)
104th 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)
112th 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)
97th Driest Driest since: 2011 1976
28th Wettest Wettest since: 2010 1996
Aug–Dec 2012
5-Month
15.63"
(397.00mm)
13.73"
(348.74mm)
1.90"
(48.26mm)
87th Driest Driest since: 2011 1936
38th Wettest Wettest since: 2010 1996
Jul–Dec 2012
6-Month
16.51"
(419.35mm)
14.46"
(367.28mm)
2.05"
(52.07mm)
91st 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)
99th 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)
98th 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)
104th 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)
120th 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)
116th 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)
117th 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)
87th 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)
110th 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)
114th 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)
101st 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)
87th 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 November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/