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 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1901
1-Month
3.88"
(98.55mm)
4.63"
(117.60mm)
-0.75"
(-19.05mm)
46th Driest Driest since: 1898 1976
82nd Wettest Wettest since: 1900 1964
Nov–Dec 1901
2-Month
7.82"
(198.63mm)
8.97"
(227.84mm)
-1.15"
(-29.21mm)
44th Driest Driest since: 1900 1976
84th Wettest Wettest since: 1899 1996
Oct–Dec 1901
3-Month
9.32"
(236.73mm)
11.51"
(292.35mm)
-2.19"
(-55.62mm)
33rd Driest Driest since: 1898 1976
95th Wettest Wettest since: 1900 1996
Sep–Dec 1901
4-Month
11.74"
(298.20mm)
12.93"
(328.42mm)
-1.19"
(-30.22mm)
47th Driest Driest since: 1898 1976
81st Wettest Wettest since: 1900 1996
Aug–Dec 1901
5-Month
12.18"
(309.37mm)
13.73"
(348.74mm)
-1.55"
(-39.37mm)
39th Driest Driest since: 1898 1936
89th Wettest Wettest since: 1900 1996
Jul–Dec 1901
6-Month
12.47"
(316.74mm)
14.46"
(367.28mm)
-1.99"
(-50.54mm)
35th Driest Driest since: 1898 1936
93rd Wettest Wettest since: 1900 1996
Jun–Dec 1901
7-Month
13.70"
(347.98mm)
16.18"
(410.97mm)
-2.48"
(-62.99mm)
29th Driest Driest since: 1898 1976
99th Wettest Wettest since: 1900 1996
May–Dec 1901
8-Month
15.73"
(399.54mm)
18.32"
(465.33mm)
-2.59"
(-65.79mm)
29th Driest Driest since: 1898 1935
99th Wettest Wettest since: 1900 1996
Apr–Dec 1901
9-Month
18.22"
(462.79mm)
20.67"
(525.02mm)
-2.45"
(-62.23mm)
32nd Driest Driest since: 1898 1976
96th Wettest Wettest since: 1900 1996
Mar–Dec 1901
10-Month
20.88"
(530.35mm)
23.93"
(607.82mm)
-3.05"
(-77.47mm)
28th Driest Driest since: 1898 1976
100th Wettest Wettest since: 1900 1996
Feb–Dec 1901
11-Month
25.68"
(652.27mm)
27.54"
(699.52mm)
-1.86"
(-47.25mm)
49th Driest Driest since: 1898 1935
79th Wettest Wettest since: 1900 1996
Jan–Dec 1901
12-Month
30.83"
(783.08mm)
32.07"
(814.58mm)
-1.24"
(-31.50mm)
53rd Driest Driest since: 1898 1929
75th Wettest Wettest since: 1900 1996
Jul 1900–Dec 1901
18-Month
45.80"
(1,163.32mm)
46.58"
(1,183.13mm)
-0.78"
(-19.81mm)
60th Driest Driest since: 1898 1929
67th Wettest Wettest since: 1900 1996
Jan 1900–Dec 1901
24-Month
62.14"
(1,578.36mm)
64.19"
(1,630.43mm)
-2.05"
(-52.07mm)
49th Driest Driest since: 1899 1930
78th Wettest Wettest since: 1900 1996
Ties: 1953
Jan 1899–Dec 1901
36-Month
98.74"
(2,508.00mm)
96.33"
(2,446.78mm)
2.41"
(61.22mm)
86th Driest Driest since: 1900 1930
40th Wettest Wettest since: 1898 1997
Jan 1898–Dec 1901
48-Month
124.00"
(3,149.60mm)
128.33"
(3,259.58mm)
-4.33"
(-109.98mm)
40th Driest Driest since: 1901 1931
85th Wettest Wettest since: 1900 1998
Jan 1897–Dec 1901
60-Month
160.18"
(4,068.57mm)
160.34"
(4,072.64mm)
-0.16"
(-4.07mm)
60th Driest Driest since: 1901 1932
64th Wettest Wettest since: 1900 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on September 29, 2022 from https://www.ncdc.noaa.gov/cag/