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 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
December 1987
1-Month
5.71"
(145.03mm)
4.63"
(117.60mm)
1.08"
(27.43mm)
91st Driest Driest since: 1986 1976
36th Wettest Wettest since: 1982 1964
Nov–Dec 1987
2-Month
8.22"
(208.79mm)
8.97"
(227.84mm)
-0.75"
(-19.05mm)
49th Driest Driest since: 1986 1976
78th Wettest Wettest since: 1984 1996
Oct–Dec 1987
3-Month
8.39"
(213.11mm)
11.51"
(292.35mm)
-3.12"
(-79.24mm)
18th Driest Driest since: 1978 1976
109th Wettest Wettest since: 1986 1996
Sep–Dec 1987
4-Month
8.63"
(219.20mm)
12.93"
(328.42mm)
-4.30"
(-109.22mm)
10th Driest Driest since: 1976 1976
117th Wettest Wettest since: 1986 1996
Aug–Dec 1987
5-Month
9.07"
(230.38mm)
13.73"
(348.74mm)
-4.66"
(-118.36mm)
8th Driest Driest since: 1976 1936
119th Wettest Wettest since: 1986 1996
Ties: 1943
Jul–Dec 1987
6-Month
10.85"
(275.59mm)
14.46"
(367.28mm)
-3.61"
(-91.69mm)
15th Driest Driest since: 1976 1936
112th Wettest Wettest since: 1986 1996
Jun–Dec 1987
7-Month
11.95"
(303.53mm)
16.18"
(410.97mm)
-4.23"
(-107.44mm)
12th Driest Driest since: 1976 1976
115th Wettest Wettest since: 1986 1996
Ties: 2011
May–Dec 1987
8-Month
14.37"
(365.00mm)
18.32"
(465.33mm)
-3.95"
(-100.33mm)
16th Driest Driest since: 1976 1935
111th Wettest Wettest since: 1986 1996
Apr–Dec 1987
9-Month
15.90"
(403.86mm)
20.67"
(525.02mm)
-4.77"
(-121.16mm)
12th Driest Driest since: 1976 1976
115th Wettest Wettest since: 1986 1996
Mar–Dec 1987
10-Month
19.60"
(497.84mm)
23.93"
(607.82mm)
-4.33"
(-109.98mm)
14th Driest Driest since: 1976 1976
113th Wettest Wettest since: 1986 1996
Ties: 1924
Feb–Dec 1987
11-Month
22.28"
(565.91mm)
27.54"
(699.52mm)
-5.26"
(-133.61mm)
15th Driest Driest since: 1976 1935
112th Wettest Wettest since: 1986 1996
Jan–Dec 1987
12-Month
26.25"
(666.75mm)
32.07"
(814.58mm)
-5.82"
(-147.83mm)
13th Driest Driest since: 1985 1929
114th Wettest Wettest since: 1986 1996
Jul 1986–Dec 1987
18-Month
39.16"
(994.66mm)
46.58"
(1,183.13mm)
-7.42"
(-188.47mm)
8th Driest Driest since: 1944 1929
118th Wettest Wettest since: 1986 1996
Jan 1986–Dec 1987
24-Month
58.91"
(1,496.31mm)
64.19"
(1,630.43mm)
-5.28"
(-134.12mm)
26th Driest Driest since: 1986 1930
100th Wettest Wettest since: 1985 1996
Jan 1985–Dec 1987
36-Month
82.89"
(2,105.41mm)
96.33"
(2,446.78mm)
-13.44"
(-341.37mm)
5th Driest Driest since: 1936 1930
120th Wettest Wettest since: 1986 1997
Jan 1984–Dec 1987
48-Month
119.77"
(3,042.16mm)
128.33"
(3,259.58mm)
-8.56"
(-217.42mm)
21st Driest Driest since: 1979 1931
103rd Wettest Wettest since: 1986 1998
Jan 1983–Dec 1987
60-Month
161.86"
(4,111.24mm)
160.34"
(4,072.64mm)
1.52"
(38.60mm)
69th Driest Driest since: 1981 1932
54th Wettest Wettest since: 1986 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2021, retrieved on September 28, 2021 from https://www.ncdc.noaa.gov/cag/