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


Northwest Climate Region

Precipitation Rankings, March 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
March 2018
1-Month
3.15"
(80.01mm)
3.26"
(82.80mm)
-0.11"
(-2.79mm)
61st Driest Driest since: 2015 1965
65th Wettest Wettest since: 2017 1904
Ties: 1921
Feb–Mar 2018
2-Month
6.02"
(152.91mm)
6.87"
(174.50mm)
-0.85"
(-21.59mm)
48th Driest Driest since: 2015 1965
78th Wettest Wettest since: 2017 1904
Jan–Mar 2018
3-Month
10.68"
(271.27mm)
11.40"
(289.56mm)
-0.72"
(-18.29mm)
54th Driest Driest since: 2015 2001
72nd Wettest Wettest since: 2017 1904
Dec 2017–Mar 2018
4-Month
13.68"
(347.47mm)
16.04"
(407.42mm)
-2.36"
(-59.95mm)
29th Driest Driest since: 2013 1977
96th Wettest Wettest since: 2017 1997
Nov 2017–Mar 2018
5-Month
19.29"
(489.97mm)
20.40"
(518.16mm)
-1.11"
(-28.19mm)
54th Driest Driest since: 2015 1977
71st Wettest Wettest since: 2017 1974
Oct 2017–Mar 2018
6-Month
22.44"
(569.98mm)
22.95"
(582.93mm)
-0.51"
(-12.95mm)
56th Driest Driest since: 2015 1977
69th Wettest Wettest since: 2017 1974
Sep 2017–Mar 2018
7-Month
24.05"
(610.87mm)
24.37"
(619.00mm)
-0.32"
(-8.13mm)
60th Driest Driest since: 2015 1977
65th Wettest Wettest since: 2017 1974
Aug 2017–Mar 2018
8-Month
24.29"
(616.97mm)
25.18"
(639.57mm)
-0.89"
(-22.60mm)
51st Driest Driest since: 2013 1977
74th Wettest Wettest since: 2017 1974
Jul 2017–Mar 2018
9-Month
24.44"
(620.78mm)
25.91"
(658.11mm)
-1.47"
(-37.33mm)
46th Driest Driest since: 2013 1977
79th Wettest Wettest since: 2017 1974
Jun 2017–Mar 2018
10-Month
25.97"
(659.64mm)
27.63"
(701.80mm)
-1.66"
(-42.16mm)
45th Driest Driest since: 2013 1977
80th Wettest Wettest since: 2017 1974
May 2017–Mar 2018
11-Month
27.79"
(705.87mm)
29.78"
(756.41mm)
-1.99"
(-50.54mm)
38th Driest Driest since: 2010 1977
87th Wettest Wettest since: 2017 1974
Apr 2017–Mar 2018
12-Month
31.63"
(803.40mm)
32.14"
(816.36mm)
-0.51"
(-12.96mm)
66th Driest Driest since: 2015 1977
59th Wettest Wettest since: 2017 1997
Ties: 1922
Oct 2016–Mar 2018
18-Month
63.46"
(1,611.88mm)
55.09"
(1,399.29mm)
8.37"
(212.59mm)
112th Driest Driest since: 2016 1930
12th Wettest Wettest since: 2017 1997
Apr 2016–Mar 2018
24-Month
70.40"
(1,788.16mm)
64.30"
(1,633.22mm)
6.10"
(154.94mm)
104th Driest Driest since: 2016 1930
20th Wettest Wettest since: 2017 1997
Apr 2015–Mar 2018
36-Month
105.55"
(2,680.97mm)
96.35"
(2,447.29mm)
9.20"
(233.68mm)
110th Driest Driest since: 2017 1931
13th Wettest Wettest since: 2000 1999
Apr 2014–Mar 2018
48-Month
136.65"
(3,470.91mm)
128.37"
(3,260.60mm)
8.28"
(210.31mm)
105th Driest Driest since: 2017 1932
17th Wettest Wettest since: 2000 1999
Apr 2013–Mar 2018
60-Month
168.04"
(4,268.22mm)
160.34"
(4,072.64mm)
7.70"
(195.58mm)
95th Driest Driest since: 2017 1933
26th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/