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 September 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 2012

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2012
1-Month
2.01"
(51.05mm)
2.14"
(54.36mm)
-0.13"
(-3.31mm)
59th Driest Driest since: 2008 1924
67th Wettest Wettest since: 2011 1998
Apr–May 2012
2-Month
5.09"
(129.29mm)
4.50"
(114.30mm)
0.59"
(14.99mm)
85th Driest Driest since: 2009 1924
41st Wettest Wettest since: 2011 1996
Mar–May 2012
3-Month
11.47"
(291.34mm)
7.76"
(197.10mm)
3.71"
(94.24mm)
123rd Driest Driest since: 2010 1924
3rd Wettest Wettest since: 2011 2011
Feb–May 2012
4-Month
14.50"
(368.30mm)
11.37"
(288.80mm)
3.13"
(79.50mm)
111th Driest Driest since: 2010 1924
15th Wettest Wettest since: 2011 1904
Jan–May 2012
5-Month
19.62"
(498.35mm)
15.90"
(403.86mm)
3.72"
(94.49mm)
114th Driest Driest since: 2010 1924
12th Wettest Wettest since: 2011 1904
Dec 2011–May 2012
6-Month
22.00"
(558.80mm)
20.54"
(521.72mm)
1.46"
(37.08mm)
87th Driest Driest since: 2010 1977
38th Wettest Wettest since: 2011 1997
Nov 2011–May 2012
7-Month
25.71"
(653.03mm)
24.89"
(632.21mm)
0.82"
(20.82mm)
74th Driest Driest since: 2010 1977
51st Wettest Wettest since: 2011 1974
Oct 2011–May 2012
8-Month
28.38"
(720.85mm)
27.45"
(697.23mm)
0.93"
(23.62mm)
79th Driest Driest since: 2010 1977
46th Wettest Wettest since: 2011 1974
Sep 2011–May 2012
9-Month
28.95"
(735.33mm)
28.87"
(733.30mm)
0.08"
(2.03mm)
62nd Driest Driest since: 2010 1977
63rd Wettest Wettest since: 2011 1974
Aug 2011–May 2012
10-Month
29.21"
(741.93mm)
29.68"
(753.87mm)
-0.47"
(-11.94mm)
59th Driest Driest since: 2010 1977
66th Wettest Wettest since: 2011 1974
Jul 2011–May 2012
11-Month
29.95"
(760.73mm)
30.40"
(772.16mm)
-0.45"
(-11.43mm)
61st Driest Driest since: 2010 1977
64th Wettest Wettest since: 2011 1974
Jun 2011–May 2012
12-Month
31.57"
(801.88mm)
32.13"
(816.10mm)
-0.56"
(-14.22mm)
60th Driest Driest since: 2010 1977
65th Wettest Wettest since: 2011 1996
Dec 2010–May 2012
18-Month
58.14"
(1,476.76mm)
52.65"
(1,337.31mm)
5.49"
(139.45mm)
104th Driest Driest since: 2010 1930
20th Wettest Wettest since: 2011 1997
Jun 2010–May 2012
24-Month
71.93"
(1,827.02mm)
64.28"
(1,632.71mm)
7.65"
(194.31mm)
112th Driest Driest since: 2011 1930
12th Wettest Wettest since: 1999 1997
Jun 2009–May 2012
36-Month
103.35"
(2,625.09mm)
96.36"
(2,447.54mm)
6.99"
(177.55mm)
103rd Driest Driest since: 2011 1931
20th Wettest Wettest since: 2000 1998
Jun 2008–May 2012
48-Month
131.90"
(3,350.26mm)
128.40"
(3,261.36mm)
3.50"
(88.90mm)
84th Driest Driest since: 2011 1931
38th Wettest Wettest since: 2000 1999
Jun 2007–May 2012
60-Month
162.74"
(4,133.60mm)
160.37"
(4,073.40mm)
2.37"
(60.20mm)
73rd Driest Driest since: 2011 1933
48th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/