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, April 2017

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
April 2017
1-Month
3.84"
(97.54mm)
2.36"
(59.94mm)
1.48"
(37.60mm)
118th Driest Driest since: 2016 1977
8th Wettest Wettest since: 2011 1937
Mar–Apr 2017
2-Month
9.82"
(249.43mm)
5.62"
(142.75mm)
4.20"
(106.68mm)
124th Driest Driest since: 2016 1924
2nd Wettest Wettest since: 1904 1904
Feb–Apr 2017
3-Month
15.96"
(405.38mm)
9.23"
(234.44mm)
6.73"
(170.94mm)
124th Driest Driest since: 2016 1911
2nd Wettest Wettest since: 1904 1904
Jan–Apr 2017
4-Month
20.03"
(508.76mm)
13.75"
(349.25mm)
6.28"
(159.51mm)
124th Driest Driest since: 2016 1977
2nd Wettest Wettest since: 1904 1904
Dec 2016–Apr 2017
5-Month
24.66"
(626.36mm)
18.40"
(467.36mm)
6.26"
(159.00mm)
121st Driest Driest since: 2016 1977
4th Wettest Wettest since: 1997 1997
Nov 2016–Apr 2017
6-Month
28.51"
(724.15mm)
22.75"
(577.85mm)
5.76"
(146.30mm)
114th Driest Driest since: 2016 1977
11th Wettest Wettest since: 1999 1974
Oct 2016–Apr 2017
7-Month
35.67"
(906.02mm)
25.31"
(642.87mm)
10.36"
(263.15mm)
122nd Driest Driest since: 2016 1977
3rd Wettest Wettest since: 1997 1974
Sep 2016–Apr 2017
8-Month
36.98"
(939.29mm)
26.73"
(678.94mm)
10.25"
(260.35mm)
122nd Driest Driest since: 2016 1977
3rd Wettest Wettest since: 1997 1974
Aug 2016–Apr 2017
9-Month
37.17"
(944.12mm)
27.53"
(699.26mm)
9.64"
(244.86mm)
122nd Driest Driest since: 2016 1977
3rd Wettest Wettest since: 1997 1974
Jul 2016–Apr 2017
10-Month
37.98"
(964.69mm)
28.26"
(717.80mm)
9.72"
(246.89mm)
122nd Driest Driest since: 2016 1977
3rd Wettest Wettest since: 1997 1974
Jun 2016–Apr 2017
11-Month
39.15"
(994.41mm)
29.99"
(761.75mm)
9.16"
(232.66mm)
121st Driest Driest since: 2016 1977
4th Wettest Wettest since: 1997 1974
May 2016–Apr 2017
12-Month
40.93"
(1,039.62mm)
32.13"
(816.10mm)
8.80"
(223.52mm)
119th Driest Driest since: 2016 1977
6th Wettest Wettest since: 1999 1997
Nov 2015–Apr 2017
18-Month
68.20"
(1,732.28mm)
54.88"
(1,393.95mm)
13.32"
(338.33mm)
120th Driest Driest since: 2016 1930
4th Wettest Wettest since: 1997 1997
May 2015–Apr 2017
24-Month
76.25"
(1,936.75mm)
64.29"
(1,632.97mm)
11.96"
(303.78mm)
118th Driest Driest since: 2016 1930
6th Wettest Wettest since: 1998 1997
May 2014–Apr 2017
36-Month
106.12"
(2,695.45mm)
96.34"
(2,447.04mm)
9.78"
(248.41mm)
110th Driest Driest since: 2016 1931
13th Wettest Wettest since: 1999 1997
May 2013–Apr 2017
48-Month
137.64"
(3,496.06mm)
128.37"
(3,260.60mm)
9.27"
(235.46mm)
107th Driest Driest since: 2016 1932
15th Wettest Wettest since: 2000 1999
May 2012–Apr 2017
60-Month
168.06"
(4,268.72mm)
160.35"
(4,072.89mm)
7.71"
(195.83mm)
95th Driest Driest since: 2016 1933
26th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/