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 December 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 1909

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1909
1-Month
3.59"
(91.19mm)
4.63"
(117.60mm)
-1.04"
(-26.41mm)
37th Driest Driest since: 1908 1976
91st Wettest Wettest since: 1907 1964
Nov–Dec 1909
2-Month
12.72"
(323.09mm)
8.97"
(227.84mm)
3.75"
(95.25mm)
113th Driest Driest since: 1908 1976
15th Wettest Wettest since: 1902 1996
Ties: 1902
Oct–Dec 1909
3-Month
15.13"
(384.30mm)
11.51"
(292.35mm)
3.62"
(91.95mm)
113th Driest Driest since: 1908 1976
15th Wettest Wettest since: 1896 1996
Sep–Dec 1909
4-Month
17.04"
(432.82mm)
12.93"
(328.42mm)
4.11"
(104.40mm)
120th Driest Driest since: 1908 1976
8th Wettest Wettest to Date 1996
Aug–Dec 1909
5-Month
17.36"
(440.94mm)
13.73"
(348.74mm)
3.63"
(92.20mm)
114th Driest Driest since: 1908 1936
14th Wettest Wettest since: 1896 1996
Jul–Dec 1909
6-Month
18.92"
(480.57mm)
14.46"
(367.28mm)
4.46"
(113.29mm)
118th Driest Driest since: 1908 1936
10th Wettest Wettest to Date 1996
Jun–Dec 1909
7-Month
19.84"
(503.94mm)
16.18"
(410.97mm)
3.66"
(92.97mm)
110th Driest Driest since: 1908 1976
18th Wettest Wettest since: 1897 1996
May–Dec 1909
8-Month
21.75"
(552.45mm)
18.32"
(465.33mm)
3.43"
(87.12mm)
103rd Driest Driest since: 1908 1935
25th Wettest Wettest since: 1906 1996
Apr–Dec 1909
9-Month
22.63"
(574.80mm)
20.67"
(525.02mm)
1.96"
(49.78mm)
91st Driest Driest since: 1908 1976
37th Wettest Wettest since: 1906 1996
Mar–Dec 1909
10-Month
24.64"
(625.86mm)
23.93"
(607.82mm)
0.71"
(18.04mm)
71st Driest Driest since: 1908 1976
57th Wettest Wettest since: 1907 1996
Feb–Dec 1909
11-Month
29.63"
(752.60mm)
27.54"
(699.52mm)
2.09"
(53.08mm)
90th Driest Driest since: 1908 1935
38th Wettest Wettest since: 1907 1996
Jan–Dec 1909
12-Month
37.00"
(939.80mm)
32.07"
(814.58mm)
4.93"
(125.22mm)
112th Driest Driest since: 1908 1929
16th Wettest Wettest since: 1896 1996
Jul 1908–Dec 1909
18-Month
48.73"
(1,237.74mm)
46.58"
(1,183.13mm)
2.15"
(54.61mm)
87th Driest Driest since: 1908 1929
40th Wettest Wettest since: 1907 1996
Jan 1908–Dec 1909
24-Month
64.24"
(1,631.70mm)
64.19"
(1,630.43mm)
0.05"
(1.27mm)
66th Driest Driest since: 1908 1930
61st Wettest Wettest since: 1907 1996
Jan 1907–Dec 1909
36-Month
99.87"
(2,536.70mm)
96.33"
(2,446.78mm)
3.54"
(89.92mm)
92nd Driest Driest since: 1908 1930
34th Wettest Wettest since: 1904 1997
Jan 1906–Dec 1909
48-Month
135.53"
(3,442.46mm)
128.33"
(3,259.58mm)
7.20"
(182.88mm)
99th Driest Driest since: 1908 1931
26th Wettest Wettest since: 1899 1998
Jan 1905–Dec 1909
60-Month
162.63"
(4,130.80mm)
160.34"
(4,072.64mm)
2.29"
(58.16mm)
75th Driest Driest since: 1908 1932
49th Wettest Wettest since: 1907 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2022, retrieved on January 17, 2022 from https://www.ncdc.noaa.gov/cag/