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, January 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
January 1901
1-Month
5.15"
(130.81mm)
4.53"
(115.06mm)
0.62"
(15.75mm)
88th Driest Driest since: 1900 1985
38th Wettest Wettest since: 1899 1953
Ties: 1907, 1958
Dec 1900–Jan 1901
2-Month
9.35"
(237.49mm)
9.17"
(232.92mm)
0.18"
(4.57mm)
69th Driest Driest since: 1900 1977
56th Wettest Wettest since: 1896 1965
Nov 1900–Jan 1901
3-Month
12.74"
(323.60mm)
13.53"
(343.66mm)
-0.79"
(-20.06mm)
52nd Driest Driest since: 1899 1977
73rd Wettest Wettest since: 1900 1974
Ties: 1993
Oct 1900–Jan 1901
4-Month
17.31"
(439.67mm)
16.08"
(408.43mm)
1.23"
(31.24mm)
74th Driest Driest since: 1899 1977
51st Wettest Wettest since: 1900 1997
Sep 1900–Jan 1901
5-Month
18.91"
(480.31mm)
17.50"
(444.50mm)
1.41"
(35.81mm)
80th Driest Driest since: 1900 1977
45th Wettest Wettest since: 1898 1974
Aug 1900–Jan 1901
6-Month
19.80"
(502.92mm)
18.31"
(465.07mm)
1.49"
(37.85mm)
80th Driest Driest since: 1899 1977
45th Wettest Wettest since: 1900 1974
Jul 1900–Jan 1901
7-Month
20.12"
(511.05mm)
19.04"
(483.62mm)
1.08"
(27.43mm)
76th Driest Driest since: 1899 1977
49th Wettest Wettest since: 1900 1956
Jun 1900–Jan 1901
8-Month
21.73"
(551.94mm)
20.76"
(527.30mm)
0.97"
(24.64mm)
76th Driest Driest since: 1900 1977
49th Wettest Wettest since: 1898 1956
May 1900–Jan 1901
9-Month
24.41"
(620.01mm)
22.91"
(581.91mm)
1.50"
(38.10mm)
85th Driest Driest since: 1900 1977
40th Wettest Wettest since: 1898 1997
Apr 1900–Jan 1901
10-Month
26.86"
(682.24mm)
25.27"
(641.86mm)
1.59"
(40.38mm)
84th Driest Driest since: 1900 1977
41st Wettest Wettest since: 1900 1997
Ties: 1900
Mar 1900–Jan 1901
11-Month
29.80"
(756.92mm)
28.53"
(724.66mm)
1.27"
(32.26mm)
77th Driest Driest since: 1899 1977
48th Wettest Wettest since: 1900 1997
Feb 1900–Jan 1901
12-Month
33.06"
(839.72mm)
32.13"
(816.10mm)
0.93"
(23.62mm)
72nd Driest Driest since: 1899 1977
53rd Wettest Wettest since: 1900 1997
Ties: 1914
Aug 1899–Jan 1901
18-Month
53.43"
(1,357.12mm)
50.47"
(1,281.94mm)
2.96"
(75.18mm)
87th Driest Driest since: 1900 1930
37th Wettest Wettest since: 1898 1997
Feb 1899–Jan 1901
24-Month
67.84"
(1,723.14mm)
64.28"
(1,632.71mm)
3.56"
(90.43mm)
86th Driest Driest since: 1900 1931
38th Wettest Wettest since: 1898 1997
Feb 1898–Jan 1901
36-Month
95.59"
(2,427.99mm)
96.31"
(2,446.27mm)
-0.72"
(-18.28mm)
57th Driest Driest to Date 1931
66th Wettest Wettest since: 1900 1998
Feb 1897–Jan 1901
48-Month
131.38"
(3,337.05mm)
128.35"
(3,260.09mm)
3.03"
(76.96mm)
83rd Driest Driest since: 1899 1932
39th Wettest Wettest since: 1900 1999
Feb 1896–Jan 1901
60-Month
167.61"
(4,257.29mm)
160.30"
(4,071.62mm)
7.31"
(185.67mm)
96th Driest Driest since: 1900 1933
25th Wettest Wettest to Date 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 5, 2019 from https://www.ncdc.noaa.gov/cag/