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 2022. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, January 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 2018
1-Month
4.66"
(118.36mm)
4.53"
(115.06mm)
0.13"
(3.30mm)
69th Driest Driest since: 2017 1985
60th Wettest Wettest since: 2016 1953
Dec 2017–Jan 2018
2-Month
7.66"
(194.56mm)
9.17"
(232.92mm)
-1.51"
(-38.36mm)
40th Driest Driest since: 2014 1977
88th Wettest Wettest since: 2017 1965
Nov 2017–Jan 2018
3-Month
13.27"
(337.06mm)
13.53"
(343.66mm)
-0.26"
(-6.60mm)
62nd Driest Driest since: 2017 1977
66th Wettest Wettest since: 2016 1974
Oct 2017–Jan 2018
4-Month
16.42"
(417.07mm)
16.08"
(408.43mm)
0.34"
(8.64mm)
67th Driest Driest since: 2015 1977
61st Wettest Wettest since: 2017 1997
Sep 2017–Jan 2018
5-Month
18.03"
(457.96mm)
17.50"
(444.50mm)
0.53"
(13.46mm)
70th Driest Driest since: 2015 1977
58th Wettest Wettest since: 2017 1974
Aug 2017–Jan 2018
6-Month
18.27"
(464.06mm)
18.31"
(465.07mm)
-0.04"
(-1.01mm)
63rd Driest Driest since: 2014 1977
65th Wettest Wettest since: 2017 1974
Jul 2017–Jan 2018
7-Month
18.42"
(467.87mm)
19.04"
(483.62mm)
-0.62"
(-15.75mm)
59th Driest Driest since: 2014 1977
69th Wettest Wettest since: 2017 1956
Jun 2017–Jan 2018
8-Month
19.95"
(506.73mm)
20.76"
(527.30mm)
-0.81"
(-20.57mm)
57th Driest Driest since: 2014 1977
71st Wettest Wettest since: 2017 1956
May 2017–Jan 2018
9-Month
21.77"
(552.96mm)
22.91"
(581.91mm)
-1.14"
(-28.95mm)
53rd Driest Driest since: 2014 1977
75th Wettest Wettest since: 2017 1997
Ties: 1908
Apr 2017–Jan 2018
10-Month
25.61"
(650.49mm)
25.27"
(641.86mm)
0.34"
(8.63mm)
74th Driest Driest since: 2015 1977
54th Wettest Wettest since: 2017 1997
Mar 2017–Jan 2018
11-Month
31.59"
(802.39mm)
28.53"
(724.66mm)
3.06"
(77.73mm)
96th Driest Driest since: 2016 1977
32nd Wettest Wettest since: 2017 1997
Feb 2017–Jan 2018
12-Month
37.73"
(958.34mm)
32.13"
(816.10mm)
5.60"
(142.24mm)
118th Driest Driest since: 2017 1977
10th Wettest Wettest since: 1999 1997
Aug 2016–Jan 2018
18-Month
58.94"
(1,497.08mm)
50.47"
(1,281.94mm)
8.47"
(215.14mm)
119th Driest Driest since: 2017 1930
8th Wettest Wettest since: 1998 1997
Feb 2016–Jan 2018
24-Month
72.34"
(1,837.44mm)
64.28"
(1,632.71mm)
8.06"
(204.73mm)
117th Driest Driest since: 2017 1931
10th Wettest Wettest since: 1999 1997
Feb 2015–Jan 2018
36-Month
105.43"
(2,677.92mm)
96.31"
(2,446.27mm)
9.12"
(231.65mm)
115th Driest Driest since: 2017 1931
11th Wettest Wettest since: 2013 1998
Feb 2014–Jan 2018
48-Month
141.43"
(3,592.32mm)
128.35"
(3,260.09mm)
13.08"
(332.23mm)
117th Driest Driest since: 2017 1932
8th Wettest Wettest since: 2000 1999
Feb 2013–Jan 2018
60-Month
166.00"
(4,216.40mm)
160.30"
(4,071.62mm)
5.70"
(144.78mm)
93rd Driest Driest since: 2017 1933
31st Wettest Wettest since: 2015 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2022, retrieved on July 7, 2022 from https://www.ncei.noaa.gov/cag/