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 1917

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1917
1-Month
8.34"
(211.84mm)
4.63"
(117.60mm)
3.71"
(94.24mm)
119th Driest Driest since: 1916 1976
6th Wettest Wettest to Date 1964
Nov–Dec 1917
2-Month
11.77"
(298.96mm)
8.97"
(227.84mm)
2.80"
(71.12mm)
107th Driest Driest since: 1916 1976
18th Wettest Wettest since: 1909 1996
Oct–Dec 1917
3-Month
12.11"
(307.59mm)
11.51"
(292.35mm)
0.60"
(15.24mm)
70th Driest Driest since: 1916 1976
55th Wettest Wettest since: 1915 1996
Sep–Dec 1917
4-Month
13.81"
(350.77mm)
12.93"
(328.42mm)
0.88"
(22.35mm)
72nd Driest Driest since: 1916 1976
53rd Wettest Wettest since: 1915 1996
Ties: 1931
Aug–Dec 1917
5-Month
13.95"
(354.33mm)
13.73"
(348.74mm)
0.22"
(5.59mm)
65th Driest Driest since: 1916 1936
60th Wettest Wettest since: 1915 1996
Jul–Dec 1917
6-Month
14.15"
(359.41mm)
14.46"
(367.28mm)
-0.31"
(-7.87mm)
59th Driest Driest since: 1916 1936
66th Wettest Wettest since: 1915 1996
Ties: 1931
Jun–Dec 1917
7-Month
15.27"
(387.86mm)
16.18"
(410.97mm)
-0.91"
(-23.11mm)
55th Driest Driest since: 1916 1976
70th Wettest Wettest since: 1915 1996
May–Dec 1917
8-Month
17.64"
(448.06mm)
18.32"
(465.33mm)
-0.68"
(-17.27mm)
59th Driest Driest since: 1916 1935
66th Wettest Wettest since: 1915 1996
Apr–Dec 1917
9-Month
21.38"
(543.05mm)
20.67"
(525.02mm)
0.71"
(18.03mm)
72nd Driest Driest since: 1916 1976
53rd Wettest Wettest since: 1915 1996
Mar–Dec 1917
10-Month
25.06"
(636.52mm)
23.93"
(607.82mm)
1.13"
(28.70mm)
74th Driest Driest since: 1916 1976
51st Wettest Wettest since: 1915 1996
Feb–Dec 1917
11-Month
28.51"
(724.15mm)
27.54"
(699.52mm)
0.97"
(24.63mm)
69th Driest Driest since: 1914 1935
56th Wettest Wettest since: 1916 1996
Jan–Dec 1917
12-Month
31.64"
(803.66mm)
32.07"
(814.58mm)
-0.43"
(-10.92mm)
60th Driest Driest since: 1914 1929
65th Wettest Wettest since: 1916 1996
Jul 1916–Dec 1917
18-Month
43.86"
(1,114.04mm)
46.58"
(1,183.13mm)
-2.72"
(-69.09mm)
40th Driest Driest since: 1915 1929
84th Wettest Wettest since: 1916 1996
Jan 1916–Dec 1917
24-Month
66.26"
(1,683.00mm)
64.19"
(1,630.43mm)
2.07"
(52.57mm)
76th Driest Driest since: 1915 1930
48th Wettest Wettest since: 1916 1996
Jan 1915–Dec 1917
36-Month
98.06"
(2,490.72mm)
96.33"
(2,446.78mm)
1.73"
(43.94mm)
73rd Driest Driest since: 1916 1930
50th Wettest Wettest since: 1909 1997
Jan 1914–Dec 1917
48-Month
127.84"
(3,247.14mm)
128.33"
(3,259.58mm)
-0.49"
(-12.44mm)
63rd Driest Driest since: 1916 1931
59th Wettest Wettest since: 1915 1998
Jan 1913–Dec 1917
60-Month
158.85"
(4,034.79mm)
160.34"
(4,072.64mm)
-1.49"
(-37.85mm)
54th Driest Driest since: 1915 1932
67th Wettest Wettest since: 1916 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/