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 April 2022. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, October 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2018
1-Month
2.48"
(62.99mm)
2.54"
(64.52mm)
-0.06"
(-1.53mm)
68th Driest Driest since: 2015 1895
60th Wettest Wettest since: 2017 2016
Sep–Oct 2018
2-Month
3.09"
(78.49mm)
3.96"
(100.58mm)
-0.87"
(-22.09mm)
35th Driest Driest since: 2008 1987
93rd Wettest Wettest since: 2017 2016
Ties: 1960
Aug–Oct 2018
3-Month
3.43"
(87.12mm)
4.76"
(120.90mm)
-1.33"
(-33.78mm)
24th Driest Driest since: 2008 1987
104th Wettest Wettest since: 2017 2016
Jul–Oct 2018
4-Month
3.54"
(89.92mm)
5.49"
(139.45mm)
-1.95"
(-49.53mm)
12th Driest Driest since: 2008 1952
116th Wettest Wettest since: 2017 2016
Ties: 2008
Jun–Oct 2018
5-Month
4.90"
(124.46mm)
7.21"
(183.13mm)
-2.31"
(-58.67mm)
14th Driest Driest since: 2006 1917, 2002
114th Wettest Wettest since: 2017 1947
May–Oct 2018
6-Month
6.53"
(165.86mm)
9.35"
(237.49mm)
-2.82"
(-71.63mm)
10th Driest Driest since: 2002 2002
118th Wettest Wettest since: 2017 1941
Apr–Oct 2018
7-Month
10.15"
(257.81mm)
11.71"
(297.43mm)
-1.56"
(-39.62mm)
32nd Driest Driest since: 2015 2002
96th Wettest Wettest since: 2017 1997
Mar–Oct 2018
8-Month
13.31"
(338.07mm)
14.97"
(380.24mm)
-1.66"
(-42.17mm)
38th Driest Driest since: 2015 1939
90th Wettest Wettest since: 2017 1997
Feb–Oct 2018
9-Month
16.18"
(410.97mm)
18.58"
(471.93mm)
-2.40"
(-60.96mm)
29th Driest Driest since: 2015 1929
99th Wettest Wettest since: 2017 2017
Jan–Oct 2018
10-Month
20.84"
(529.34mm)
23.10"
(586.74mm)
-2.26"
(-57.40mm)
38th Driest Driest since: 2015 1929
90th Wettest Wettest since: 2017 1950
Dec 2017–Oct 2018
11-Month
23.84"
(605.54mm)
27.75"
(704.85mm)
-3.91"
(-99.31mm)
22nd Driest Driest since: 2015 1929
105th Wettest Wettest since: 2017 1997
Nov 2017–Oct 2018
12-Month
29.45"
(748.03mm)
32.10"
(815.34mm)
-2.65"
(-67.31mm)
34th Driest Driest since: 2015 1977
93rd Wettest Wettest since: 2017 1997
May 2017–Oct 2018
18-Month
37.95"
(963.93mm)
41.48"
(1,053.59mm)
-3.53"
(-89.66mm)
33rd Driest Driest since: 2015 1929
94th Wettest Wettest since: 2017 1997
Nov 2016–Oct 2018
24-Month
66.46"
(1,688.08mm)
64.23"
(1,631.44mm)
2.23"
(56.64mm)
89th Driest Driest since: 2015 1930
37th Wettest Wettest since: 2017 1997
Nov 2015–Oct 2018
36-Month
106.15"
(2,696.21mm)
96.31"
(2,446.27mm)
9.84"
(249.94mm)
115th Driest Driest since: 2017 1931
10th Wettest Wettest since: 1999 1997
Nov 2014–Oct 2018
48-Month
134.06"
(3,405.12mm)
128.38"
(3,260.85mm)
5.68"
(144.27mm)
93rd Driest Driest since: 2016 1931
31st Wettest Wettest since: 2017 1999
Nov 2013–Oct 2018
60-Month
165.15"
(4,194.81mm)
160.37"
(4,073.40mm)
4.78"
(121.41mm)
84th Driest Driest since: 2016 1932
39th Wettest Wettest since: 2017 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 26, 2022 from https://www.ncdc.noaa.gov/cag/