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 1900

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1900
1-Month
3.40"
(86.36mm)
4.53"
(115.06mm)
-1.13"
(-28.70mm)
38th Driest Driest since: 1898 1985
91st Wettest Wettest since: 1899 1953
Dec 1899–Jan 1900
2-Month
7.74"
(196.60mm)
9.17"
(232.92mm)
-1.43"
(-36.32mm)
41st Driest Driest to Date 1977
87th Wettest Wettest since: 1899 1965
Nov 1899–Jan 1900
3-Month
13.57"
(344.68mm)
13.53"
(343.66mm)
0.04"
(1.02mm)
66th Driest Driest since: 1899 1977
62nd Wettest Wettest since: 1898 1974
Oct 1899–Jan 1900
4-Month
17.46"
(443.48mm)
16.08"
(408.43mm)
1.38"
(35.05mm)
78th Driest Driest since: 1899 1977
50th Wettest Wettest since: 1898 1997
Sep 1899–Jan 1900
5-Month
18.47"
(469.14mm)
17.50"
(444.50mm)
0.97"
(24.64mm)
76th Driest Driest since: 1899 1977
52nd Wettest Wettest since: 1898 1974
Aug 1899–Jan 1900
6-Month
20.37"
(517.40mm)
18.31"
(465.07mm)
2.06"
(52.33mm)
92nd Driest Driest since: 1899 1977
36th Wettest Wettest since: 1897 1974
Jul 1899–Jan 1900
7-Month
20.66"
(524.76mm)
19.04"
(483.62mm)
1.62"
(41.14mm)
83rd Driest Driest since: 1899 1977
45th Wettest Wettest since: 1898 1956
Jun 1899–Jan 1900
8-Month
21.59"
(548.39mm)
20.76"
(527.30mm)
0.83"
(21.09mm)
78th Driest Driest since: 1899 1977
50th Wettest Wettest since: 1898 1956
May 1899–Jan 1900
9-Month
24.05"
(610.87mm)
22.91"
(581.91mm)
1.14"
(28.96mm)
81st Driest Driest since: 1899 1977
47th Wettest Wettest since: 1898 1997
Apr 1899–Jan 1900
10-Month
26.86"
(682.24mm)
25.27"
(641.86mm)
1.59"
(40.38mm)
87th Driest Driest since: 1899 1977
41st Wettest Wettest since: 1897 1997
Ties: 1901
Mar 1899–Jan 1900
11-Month
30.16"
(766.06mm)
28.53"
(724.66mm)
1.63"
(41.40mm)
83rd Driest Driest since: 1899 1977
45th Wettest Wettest since: 1898 1997
Feb 1899–Jan 1900
12-Month
34.78"
(883.41mm)
32.13"
(816.10mm)
2.65"
(67.31mm)
91st Driest Driest since: 1899 1977
37th Wettest Wettest since: 1898 1997
Aug 1898–Jan 1900
18-Month
50.85"
(1,291.59mm)
50.47"
(1,281.94mm)
0.38"
(9.65mm)
69th Driest Driest since: 1899 1930
58th Wettest Wettest since: 1898 1997
Feb 1898–Jan 1900
24-Month
62.53"
(1,588.26mm)
64.28"
(1,632.71mm)
-1.75"
(-44.45mm)
51st Driest Driest to Date 1931
76th Wettest Wettest since: 1899 1997
Feb 1897–Jan 1900
36-Month
98.32"
(2,497.33mm)
96.31"
(2,446.27mm)
2.01"
(51.06mm)
78th Driest Driest to Date 1931
48th Wettest Wettest since: 1899 1998
Feb 1896–Jan 1900
48-Month
134.55"
(3,417.57mm)
128.35"
(3,260.09mm)
6.20"
(157.48mm)
100th Driest Driest since: 1899 1932
25th Wettest Wettest to Date 1999
Feb 1895–Jan 1900
60-Month
163.13"
(4,143.50mm)
160.30"
(4,071.62mm)
2.83"
(71.88mm)
76th Driest Driest to Date 1933
48th Wettest Wettest to Date 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/