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 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, January 1940

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
January 1940
1-Month
3.60"
(91.44mm)
4.53"
(115.06mm)
-0.93"
(-23.62mm)
43rd Driest Driest since: 1938 1985
85th Wettest Wettest since: 1939 1953
Dec 1939–Jan 1940
2-Month
9.53"
(242.06mm)
9.17"
(232.92mm)
0.36"
(9.14mm)
74th Driest Driest since: 1939 1977
53rd Wettest Wettest since: 1938 1965
Nov 1939–Jan 1940
3-Month
10.65"
(270.51mm)
13.53"
(343.66mm)
-2.88"
(-73.15mm)
23rd Driest Driest since: 1939 1977
104th Wettest Wettest since: 1938 1974
Oct 1939–Jan 1940
4-Month
12.93"
(328.42mm)
16.08"
(408.43mm)
-3.15"
(-80.01mm)
22nd Driest Driest since: 1937 1977
105th Wettest Wettest since: 1939 1997
Sep 1939–Jan 1940
5-Month
13.84"
(351.54mm)
17.50"
(444.50mm)
-3.66"
(-92.96mm)
19th Driest Driest since: 1937 1977
108th Wettest Wettest since: 1939 1974
Aug 1939–Jan 1940
6-Month
14.21"
(360.93mm)
18.31"
(465.07mm)
-4.10"
(-104.14mm)
17th Driest Driest since: 1937 1977
110th Wettest Wettest since: 1939 1974
Jul 1939–Jan 1940
7-Month
14.95"
(379.73mm)
19.04"
(483.62mm)
-4.09"
(-103.89mm)
17th Driest Driest since: 1937 1977
110th Wettest Wettest since: 1939 1956
Jun 1939–Jan 1940
8-Month
16.34"
(415.04mm)
20.76"
(527.30mm)
-4.42"
(-112.26mm)
16th Driest Driest since: 1937 1977
111th Wettest Wettest since: 1939 1956
May 1939–Jan 1940
9-Month
17.66"
(448.56mm)
22.91"
(581.91mm)
-5.25"
(-133.35mm)
10th Driest Driest since: 1937 1977
117th Wettest Wettest since: 1939 1997
Apr 1939–Jan 1940
10-Month
18.45"
(468.63mm)
25.27"
(641.86mm)
-6.82"
(-173.23mm)
7th Driest Driest since: 1937 1977
120th Wettest Wettest since: 1939 1997
Mar 1939–Jan 1940
11-Month
20.87"
(530.10mm)
28.53"
(724.66mm)
-7.66"
(-194.56mm)
6th Driest Driest since: 1937 1977
121st Wettest Wettest since: 1939 1997
Feb 1939–Jan 1940
12-Month
24.68"
(626.87mm)
32.13"
(816.10mm)
-7.45"
(-189.23mm)
7th Driest Driest since: 1937 1977
120th Wettest Wettest since: 1939 1997
Aug 1938–Jan 1940
18-Month
39.46"
(1,002.28mm)
50.47"
(1,281.94mm)
-11.01"
(-279.66mm)
5th Driest Driest since: 1937 1930
121st Wettest Wettest since: 1939 1997
Feb 1938–Jan 1940
24-Month
55.18"
(1,401.57mm)
64.28"
(1,632.71mm)
-9.10"
(-231.14mm)
7th Driest Driest since: 1937 1931
119th Wettest Wettest since: 1939 1997
Feb 1937–Jan 1940
36-Month
92.80"
(2,357.12mm)
96.31"
(2,446.27mm)
-3.51"
(-89.15mm)
41st Driest Driest since: 1939 1931
84th Wettest Wettest since: 1935 1998
Ties: 1929
Feb 1936–Jan 1940
48-Month
116.75"
(2,965.45mm)
128.35"
(3,260.09mm)
-11.60"
(-294.64mm)
14th Driest Driest since: 1937 1932
110th Wettest Wettest since: 1939 1999
Feb 1935–Jan 1940
60-Month
142.76"
(3,626.10mm)
160.30"
(4,071.62mm)
-17.54"
(-445.52mm)
6th Driest Driest since: 1933 1933
117th Wettest Wettest since: 1939 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on November 29, 2021 from https://www.ncdc.noaa.gov/cag/