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 1990

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1990
1-Month
3.13"
(79.50mm)
4.63"
(117.60mm)
-1.50"
(-38.10mm)
27th Driest Driest since: 1989 1976
98th Wettest Wettest since: 1987 1964
Nov–Dec 1990
2-Month
7.98"
(202.69mm)
8.97"
(227.84mm)
-0.99"
(-25.15mm)
45th Driest Driest since: 1989 1976
80th Wettest Wettest since: 1988 1996
Oct–Dec 1990
3-Month
11.59"
(294.39mm)
11.51"
(292.35mm)
0.08"
(2.04mm)
61st Driest Driest since: 1989 1976
64th Wettest Wettest since: 1984 1996
Sep–Dec 1990
4-Month
11.88"
(301.75mm)
12.93"
(328.42mm)
-1.05"
(-26.67mm)
47th Driest Driest since: 1989 1976
78th Wettest Wettest since: 1988 1996
Aug–Dec 1990
5-Month
13.39"
(340.11mm)
13.73"
(348.74mm)
-0.34"
(-8.63mm)
58th Driest Driest since: 1989 1936
67th Wettest Wettest since: 1984 1996
Jul–Dec 1990
6-Month
14.08"
(357.63mm)
14.46"
(367.28mm)
-0.38"
(-9.65mm)
57th Driest Driest since: 1989 1936
68th Wettest Wettest since: 1984 1996
Jun–Dec 1990
7-Month
15.83"
(402.08mm)
16.18"
(410.97mm)
-0.35"
(-8.89mm)
59th Driest Driest since: 1989 1976
66th Wettest Wettest since: 1984 1996
May–Dec 1990
8-Month
18.88"
(479.55mm)
18.32"
(465.33mm)
0.56"
(14.22mm)
71st Driest Driest since: 1989 1935
54th Wettest Wettest since: 1984 1996
Apr–Dec 1990
9-Month
21.52"
(546.61mm)
20.67"
(525.02mm)
0.85"
(21.59mm)
75th Driest Driest since: 1989 1976
50th Wettest Wettest since: 1984 1996
Mar–Dec 1990
10-Month
23.68"
(601.47mm)
23.93"
(607.82mm)
-0.25"
(-6.35mm)
55th Driest Driest since: 1989 1976
70th Wettest Wettest since: 1988 1996
Feb–Dec 1990
11-Month
27.39"
(695.71mm)
27.54"
(699.52mm)
-0.15"
(-3.81mm)
60th Driest Driest since: 1989 1935
65th Wettest Wettest since: 1986 1996
Jan–Dec 1990
12-Month
33.45"
(849.63mm)
32.07"
(814.58mm)
1.38"
(35.05mm)
78th Driest Driest since: 1989 1929
47th Wettest Wettest since: 1984 1996
Jul 1989–Dec 1990
18-Month
43.92"
(1,115.57mm)
46.58"
(1,183.13mm)
-2.66"
(-67.56mm)
41st Driest Driest since: 1989 1929
83rd Wettest Wettest since: 1986 1996
Jan 1989–Dec 1990
24-Month
60.99"
(1,549.15mm)
64.19"
(1,630.43mm)
-3.20"
(-81.28mm)
38th Driest Driest since: 1989 1930
86th Wettest Wettest since: 1984 1996
Jan 1988–Dec 1990
36-Month
90.45"
(2,297.43mm)
96.33"
(2,446.78mm)
-5.88"
(-149.35mm)
26th Driest Driest since: 1989 1930
97th Wettest Wettest since: 1986 1997
Jan 1987–Dec 1990
48-Month
116.70"
(2,964.18mm)
128.33"
(3,259.58mm)
-11.63"
(-295.40mm)
15th Driest Driest since: 1989 1931
107th Wettest Wettest since: 1987 1998
Jan 1986–Dec 1990
60-Month
149.36"
(3,793.74mm)
160.34"
(4,072.64mm)
-10.98"
(-278.90mm)
19th Driest Driest since: 1989 1932
102nd Wettest Wettest since: 1987 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/