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


Northwest Climate Region

Precipitation Rankings, May 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
May 2011
1-Month
3.50"
(88.90mm)
2.14"
(54.36mm)
1.36"
(34.54mm)
116th Driest Driest since: 2010 1924
12th Wettest Wettest since: 2005 1998
Apr–May 2011
2-Month
7.38"
(187.45mm)
4.50"
(114.30mm)
2.88"
(73.15mm)
124th Driest Driest since: 2010 1924
4th Wettest Wettest since: 1996 1996
Mar–May 2011
3-Month
13.30"
(337.82mm)
7.76"
(197.10mm)
5.54"
(140.72mm)
127th Driest Driest since: 2010 1924
1st Wettest Wettest to Date 2011
Feb–May 2011
4-Month
16.33"
(414.78mm)
11.37"
(288.80mm)
4.96"
(125.98mm)
125th Driest Driest since: 2010 1924
3rd Wettest Wettest since: 1904 1904
Jan–May 2011
5-Month
20.28"
(515.11mm)
15.90"
(403.86mm)
4.38"
(111.25mm)
121st Driest Driest since: 2010 1924
7th Wettest Wettest since: 1996 1904
Dec 2010–May 2011
6-Month
26.57"
(674.88mm)
20.54"
(521.72mm)
6.03"
(153.16mm)
121st Driest Driest since: 2010 1977
6th Wettest Wettest since: 1997 1997
Nov 2010–May 2011
7-Month
30.97"
(786.64mm)
24.89"
(632.21mm)
6.08"
(154.43mm)
119th Driest Driest since: 2010 1977
8th Wettest Wettest since: 1999 1974
Oct 2010–May 2011
8-Month
34.38"
(873.25mm)
27.45"
(697.23mm)
6.93"
(176.02mm)
120th Driest Driest since: 2010 1977
7th Wettest Wettest since: 1999 1974
Sep 2010–May 2011
9-Month
36.24"
(920.50mm)
28.87"
(733.30mm)
7.37"
(187.20mm)
121st Driest Driest since: 2010 1977
6th Wettest Wettest since: 1997 1974
Aug 2010–May 2011
10-Month
36.88"
(936.75mm)
29.68"
(753.87mm)
7.20"
(182.88mm)
120th Driest Driest since: 2010 1977
7th Wettest Wettest since: 1997 1974
Jul 2010–May 2011
11-Month
37.26"
(946.40mm)
30.40"
(772.16mm)
6.86"
(174.24mm)
118th Driest Driest since: 2010 1977
9th Wettest Wettest since: 1997 1974
Jun 2010–May 2011
12-Month
40.36"
(1,025.14mm)
32.13"
(816.10mm)
8.23"
(209.04mm)
121st Driest Driest since: 2010 1977
6th Wettest Wettest since: 1997 1996
Dec 2009–May 2011
18-Month
59.65"
(1,515.11mm)
52.65"
(1,337.31mm)
7.00"
(177.80mm)
112th Driest Driest since: 2010 1930
14th Wettest Wettest since: 1999 1997
Jun 2009–May 2011
24-Month
71.78"
(1,823.21mm)
64.28"
(1,632.71mm)
7.50"
(190.50mm)
113th Driest Driest since: 2010 1930
13th Wettest Wettest since: 1999 1997
Jun 2008–May 2011
36-Month
100.33"
(2,548.38mm)
96.36"
(2,447.54mm)
3.97"
(100.84mm)
92nd Driest Driest since: 2010 1931
33rd Wettest Wettest since: 2000 1998
Jun 2007–May 2011
48-Month
131.17"
(3,331.72mm)
128.40"
(3,261.36mm)
2.77"
(70.36mm)
82nd Driest Driest since: 2010 1931
42nd Wettest Wettest since: 2000 1999
Jun 2006–May 2011
60-Month
161.88"
(4,111.75mm)
160.37"
(4,073.40mm)
1.51"
(38.35mm)
68th Driest Driest since: 2010 1933
55th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 25, 2021 from https://www.ncdc.noaa.gov/cag/