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 September 2019. 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
(1895-2018)
Wettest/Driest
Since
Record
December 1901
1-Month
3.88"
(98.55mm)
4.63"
(117.60mm)
-0.75"
(-19.05mm)
44th Driest Driest since: 1898 1976
81st Wettest Wettest since: 1900 1964
Nov–Dec 1901
2-Month
7.82"
(198.63mm)
8.97"
(227.84mm)
-1.15"
(-29.21mm)
43rd Driest Driest since: 1900 1976
82nd Wettest Wettest since: 1899 1996
Oct–Dec 1901
3-Month
9.32"
(236.73mm)
11.51"
(292.35mm)
-2.19"
(-55.62mm)
32nd Driest Driest since: 1898 1976
93rd Wettest Wettest since: 1900 1996
Sep–Dec 1901
4-Month
11.74"
(298.20mm)
12.93"
(328.42mm)
-1.19"
(-30.22mm)
45th Driest Driest since: 1898 1976
80th Wettest Wettest since: 1900 1996
Aug–Dec 1901
5-Month
12.18"
(309.37mm)
13.73"
(348.74mm)
-1.55"
(-39.37mm)
37th Driest Driest since: 1898 1936
88th Wettest Wettest since: 1900 1996
Jul–Dec 1901
6-Month
12.47"
(316.74mm)
14.46"
(367.28mm)
-1.99"
(-50.54mm)
33rd Driest Driest since: 1898 1936
92nd Wettest Wettest since: 1900 1996
Jun–Dec 1901
7-Month
13.70"
(347.98mm)
16.18"
(410.97mm)
-2.48"
(-62.99mm)
28th Driest Driest since: 1898 1976
97th Wettest Wettest since: 1900 1996
May–Dec 1901
8-Month
15.73"
(399.54mm)
18.32"
(465.33mm)
-2.59"
(-65.79mm)
28th Driest Driest since: 1898 1935
97th 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
93rd Wettest Wettest since: 1900 1996
Mar–Dec 1901
10-Month
20.88"
(530.35mm)
23.93"
(607.82mm)
-3.05"
(-77.47mm)
27th Driest Driest since: 1898 1976
98th Wettest Wettest since: 1900 1996
Feb–Dec 1901
11-Month
25.68"
(652.27mm)
27.54"
(699.52mm)
-1.86"
(-47.25mm)
46th 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)
51st Driest Driest since: 1898 1929
74th 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)
57th 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)
46th 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)
83rd 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)
39th Driest Driest to Date 1931
83rd 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)
59th Driest Driest to Date 1932
62nd Wettest Wettest since: 1900 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/