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


Northwest Climate Region

Precipitation Rankings, December 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1939
1-Month
5.93"
(150.62mm)
4.63"
(117.60mm)
1.30"
(33.02mm)
98th Driest Driest since: 1938 1976
30th Wettest Wettest since: 1937 1964
Ties: 2007
Nov–Dec 1939
2-Month
7.05"
(179.07mm)
8.97"
(227.84mm)
-1.92"
(-48.77mm)
33rd Driest Driest since: 1938 1976
95th Wettest Wettest since: 1937 1996
Oct–Dec 1939
3-Month
9.33"
(236.98mm)
11.51"
(292.35mm)
-2.18"
(-55.37mm)
34th Driest Driest since: 1936 1976
94th Wettest Wettest since: 1938 1996
Sep–Dec 1939
4-Month
10.24"
(260.10mm)
12.93"
(328.42mm)
-2.69"
(-68.32mm)
24th Driest Driest since: 1936 1976
104th Wettest Wettest since: 1938 1996
Aug–Dec 1939
5-Month
10.61"
(269.49mm)
13.73"
(348.74mm)
-3.12"
(-79.25mm)
18th Driest Driest since: 1936 1936
110th Wettest Wettest since: 1938 1996
Jul–Dec 1939
6-Month
11.35"
(288.29mm)
14.46"
(367.28mm)
-3.11"
(-78.99mm)
21st Driest Driest since: 1936 1936
107th Wettest Wettest since: 1938 1996
Jun–Dec 1939
7-Month
12.74"
(323.60mm)
16.18"
(410.97mm)
-3.44"
(-87.37mm)
17th Driest Driest since: 1936 1976
111th Wettest Wettest since: 1938 1996
May–Dec 1939
8-Month
14.06"
(357.12mm)
18.32"
(465.33mm)
-4.26"
(-108.21mm)
12th Driest Driest since: 1936 1935
116th Wettest Wettest since: 1938 1996
Apr–Dec 1939
9-Month
14.85"
(377.19mm)
20.67"
(525.02mm)
-5.82"
(-147.83mm)
6th Driest Driest since: 1936 1976
122nd Wettest Wettest since: 1938 1996
Mar–Dec 1939
10-Month
17.27"
(438.66mm)
23.93"
(607.82mm)
-6.66"
(-169.16mm)
6th Driest Driest since: 1936 1976
122nd Wettest Wettest since: 1938 1996
Feb–Dec 1939
11-Month
21.08"
(535.43mm)
27.54"
(699.52mm)
-6.46"
(-164.09mm)
7th Driest Driest since: 1936 1935
121st Wettest Wettest since: 1938 1996
Jan–Dec 1939
12-Month
24.82"
(630.43mm)
32.07"
(814.58mm)
-7.25"
(-184.15mm)
9th Driest Driest since: 1935 1929
119th Wettest Wettest since: 1938 1996
Jul 1938–Dec 1939
18-Month
36.73"
(932.94mm)
46.58"
(1,183.13mm)
-9.85"
(-250.19mm)
5th Driest Driest since: 1936 1929
122nd Wettest Wettest since: 1938 1996
Jan 1938–Dec 1939
24-Month
55.04"
(1,398.02mm)
64.19"
(1,630.43mm)
-9.15"
(-232.41mm)
9th Driest Driest since: 1936 1930
118th Wettest Wettest since: 1938 1996
Jan 1937–Dec 1939
36-Month
92.55"
(2,350.77mm)
96.33"
(2,446.78mm)
-3.78"
(-96.01mm)
36th Driest Driest since: 1937 1930
90th Wettest Wettest since: 1938 1997
Jan 1936–Dec 1939
48-Month
120.40"
(3,058.16mm)
128.33"
(3,259.58mm)
-7.93"
(-201.42mm)
26th Driest Driest since: 1938 1931
99th Wettest Wettest since: 1935 1998
Jan 1935–Dec 1939
60-Month
143.74"
(3,651.00mm)
160.34"
(4,072.64mm)
-16.60"
(-421.64mm)
7th Driest Driest since: 1933 1932
117th Wettest Wettest since: 1938 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/