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 2015

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2015
1-Month
2.46"
(62.48mm)
2.54"
(64.52mm)
-0.08"
(-2.04mm)
67th Driest Driest since: 2013 1895
61st Wettest Wettest since: 2014 2016
Sep–Oct 2015
2-Month
3.63"
(92.20mm)
3.96"
(100.58mm)
-0.33"
(-8.38mm)
54th Driest Driest since: 2011 1987
74th Wettest Wettest since: 2014 2016
Aug–Oct 2015
3-Month
4.40"
(111.76mm)
4.76"
(120.90mm)
-0.36"
(-9.14mm)
54th Driest Driest since: 2012 1987
74th Wettest Wettest since: 2014 2016
Jul–Oct 2015
4-Month
5.27"
(133.86mm)
5.49"
(139.45mm)
-0.22"
(-5.59mm)
66th Driest Driest since: 2012 1952
62nd Wettest Wettest since: 2014 2016
Ties: 1903
Jun–Oct 2015
5-Month
5.82"
(147.83mm)
7.21"
(183.13mm)
-1.39"
(-35.30mm)
30th Driest Driest since: 2008 1917, 2002
98th Wettest Wettest since: 2014 1947
May–Oct 2015
6-Month
8.05"
(204.47mm)
9.35"
(237.49mm)
-1.30"
(-33.02mm)
33rd Driest Driest since: 2008 2002
95th Wettest Wettest since: 2014 1941
Apr–Oct 2015
7-Month
9.56"
(242.82mm)
11.71"
(297.43mm)
-2.15"
(-54.61mm)
20th Driest Driest since: 2008 2002
108th Wettest Wettest since: 2014 1997
Mar–Oct 2015
8-Month
12.26"
(311.40mm)
14.97"
(380.24mm)
-2.71"
(-68.84mm)
22nd Driest Driest since: 2008 1939
106th Wettest Wettest since: 2014 1997
Feb–Oct 2015
9-Month
15.46"
(392.68mm)
18.58"
(471.93mm)
-3.12"
(-79.25mm)
20th Driest Driest since: 2008 1929
108th Wettest Wettest since: 2014 2017
Ties: 1903
Jan–Oct 2015
10-Month
18.28"
(464.31mm)
23.10"
(586.74mm)
-4.82"
(-122.43mm)
10th Driest Driest since: 2002 1929
118th Wettest Wettest since: 2014 1950
Dec 2014–Oct 2015
11-Month
23.52"
(597.41mm)
27.75"
(704.85mm)
-4.23"
(-107.44mm)
20th Driest Driest since: 2001 1929
107th Wettest Wettest since: 2014 1997
Nov 2014–Oct 2015
12-Month
27.91"
(708.91mm)
32.10"
(815.34mm)
-4.19"
(-106.43mm)
21st Driest Driest since: 2005 1977
106th Wettest Wettest since: 2014 1997
May 2014–Oct 2015
18-Month
37.92"
(963.17mm)
41.48"
(1,053.59mm)
-3.56"
(-90.42mm)
32nd Driest Driest since: 2008 1929
95th Wettest Wettest since: 2014 1997
Nov 2013–Oct 2015
24-Month
59.00"
(1,498.60mm)
64.23"
(1,631.44mm)
-5.23"
(-132.84mm)
22nd Driest Driest since: 2002 1930
104th Wettest Wettest since: 2014 1997
Nov 2012–Oct 2015
36-Month
90.05"
(2,287.27mm)
96.31"
(2,446.27mm)
-6.26"
(-159.00mm)
27th Driest Driest since: 2003 1931
98th Wettest Wettest since: 2014 1997
Nov 2011–Oct 2015
48-Month
123.56"
(3,138.42mm)
128.38"
(3,260.85mm)
-4.82"
(-122.43mm)
37th Driest Driest since: 2008 1931
87th Wettest Wettest since: 2014 1999
Nov 2010–Oct 2015
60-Month
160.39"
(4,073.91mm)
160.37"
(4,073.40mm)
0.02"
(0.51mm)
61st Driest Driest since: 2009 1932
62nd Wettest Wettest since: 2014 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 18, 2022 from https://www.ncdc.noaa.gov/cag/