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 October 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 1899

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1899
1-Month
4.34"
(110.24mm)
4.63"
(117.60mm)
-0.29"
(-7.36mm)
59th Driest Driest since: 1898 1976
66th Wettest Wettest since: 1897 1964
Nov–Dec 1899
2-Month
10.17"
(258.32mm)
8.97"
(227.84mm)
1.20"
(30.48mm)
84th Driest Driest since: 1898 1976
41st Wettest Wettest since: 1897 1996
Oct–Dec 1899
3-Month
14.06"
(357.12mm)
11.51"
(292.35mm)
2.55"
(64.77mm)
100th Driest Driest since: 1898 1976
25th Wettest Wettest since: 1897 1996
Sep–Dec 1899
4-Month
15.07"
(382.78mm)
12.93"
(328.42mm)
2.14"
(54.36mm)
90th Driest Driest since: 1898 1976
35th Wettest Wettest since: 1897 1996
Aug–Dec 1899
5-Month
16.97"
(431.04mm)
13.73"
(348.74mm)
3.24"
(82.30mm)
103rd Driest Driest since: 1898 1936
22nd Wettest Wettest since: 1897 1996
Jul–Dec 1899
6-Month
17.26"
(438.40mm)
14.46"
(367.28mm)
2.80"
(71.12mm)
101st Driest Driest since: 1898 1936
24th Wettest Wettest since: 1897 1996
Ties: 1951
Jun–Dec 1899
7-Month
18.19"
(462.03mm)
16.18"
(410.97mm)
2.01"
(51.06mm)
92nd Driest Driest since: 1898 1976
33rd Wettest Wettest since: 1897 1996
May–Dec 1899
8-Month
20.65"
(524.51mm)
18.32"
(465.33mm)
2.33"
(59.18mm)
91st Driest Driest since: 1898 1935
34th Wettest Wettest since: 1897 1996
Apr–Dec 1899
9-Month
23.46"
(595.88mm)
20.67"
(525.02mm)
2.79"
(70.86mm)
96th Driest Driest since: 1898 1976
29th Wettest Wettest since: 1897 1996
Mar–Dec 1899
10-Month
26.76"
(679.70mm)
23.93"
(607.82mm)
2.83"
(71.88mm)
93rd Driest Driest since: 1898 1976
32nd Wettest Wettest since: 1897 1996
Feb–Dec 1899
11-Month
31.38"
(797.05mm)
27.54"
(699.52mm)
3.84"
(97.53mm)
100th Driest Driest since: 1898 1935
25th Wettest Wettest since: 1897 1996
Jan–Dec 1899
12-Month
36.60"
(929.64mm)
32.07"
(814.58mm)
4.53"
(115.06mm)
105th Driest Driest since: 1898 1929
20th Wettest Wettest since: 1896 1996
Jul 1898–Dec 1899
18-Month
48.05"
(1,220.47mm)
46.58"
(1,183.13mm)
1.47"
(37.34mm)
74th Driest Driest since: 1898 1929
50th Wettest Wettest since: 1897 1996
Jan 1898–Dec 1899
24-Month
61.86"
(1,571.24mm)
64.19"
(1,630.43mm)
-2.33"
(-59.19mm)
45th Driest Driest since: 1898 1930
79th Wettest Wettest since: 1897 1996
Jan 1897–Dec 1899
36-Month
98.04"
(2,490.22mm)
96.33"
(2,446.78mm)
1.71"
(43.44mm)
72nd Driest Driest to Date 1930
51st Wettest Wettest since: 1898 1997
Jan 1896–Dec 1899
48-Month
137.85"
(3,501.39mm)
128.33"
(3,259.58mm)
9.52"
(241.81mm)
104th Driest Driest since: 1898 1931
18th Wettest Wettest to Date 1998
Jan 1895–Dec 1899
60-Month
165.99"
(4,216.15mm)
160.34"
(4,072.64mm)
5.65"
(143.51mm)
89th Driest Driest to Date 1932
32nd Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/