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 2020. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 1997

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
December 1997
1-Month
2.69"
(68.33mm)
4.63"
(117.60mm)
-1.94"
(-49.27mm)
15th Driest Driest since: 1989 1976
111th Wettest Wettest since: 1996 1964
Nov–Dec 1997
2-Month
5.66"
(143.76mm)
8.97"
(227.84mm)
-3.31"
(-84.08mm)
15th Driest Driest since: 1993 1976
111th Wettest Wettest since: 1996 1996
Ties: 1959
Oct–Dec 1997
3-Month
9.74"
(247.40mm)
11.51"
(292.35mm)
-1.77"
(-44.95mm)
37th Driest Driest since: 1993 1976
89th Wettest Wettest since: 1996 1996
Sep–Dec 1997
4-Month
12.18"
(309.37mm)
12.93"
(328.42mm)
-0.75"
(-19.05mm)
55th Driest Driest since: 1993 1976
71st Wettest Wettest since: 1996 1996
Aug–Dec 1997
5-Month
13.15"
(334.01mm)
13.73"
(348.74mm)
-0.58"
(-14.73mm)
54th Driest Driest since: 1993 1936
72nd Wettest Wettest since: 1996 1996
Jul–Dec 1997
6-Month
14.62"
(371.35mm)
14.46"
(367.28mm)
0.16"
(4.07mm)
67th Driest Driest since: 1993 1936
59th Wettest Wettest since: 1996 1996
Jun–Dec 1997
7-Month
16.86"
(428.24mm)
16.18"
(410.97mm)
0.68"
(17.27mm)
76th Driest Driest since: 1994 1976
50th Wettest Wettest since: 1996 1996
May–Dec 1997
8-Month
18.82"
(478.03mm)
18.32"
(465.33mm)
0.50"
(12.70mm)
70th Driest Driest since: 1994 1935
56th Wettest Wettest since: 1996 1996
Apr–Dec 1997
9-Month
22.11"
(561.59mm)
20.67"
(525.02mm)
1.44"
(36.57mm)
82nd Driest Driest since: 1994 1976
44th Wettest Wettest since: 1996 1996
Mar–Dec 1997
10-Month
26.83"
(681.48mm)
23.93"
(607.82mm)
2.90"
(73.66mm)
95th Driest Driest since: 1994 1976
31st Wettest Wettest since: 1996 1996
Feb–Dec 1997
11-Month
29.26"
(743.20mm)
27.54"
(699.52mm)
1.72"
(43.68mm)
81st Driest Driest since: 1994 1935
45th Wettest Wettest since: 1996 1996
Jan–Dec 1997
12-Month
35.15"
(892.81mm)
32.07"
(814.58mm)
3.08"
(78.23mm)
90th Driest Driest since: 1994 1929
36th Wettest Wettest since: 1996 1996
Jul 1996–Dec 1997
18-Month
57.20"
(1,452.88mm)
46.58"
(1,183.13mm)
10.62"
(269.75mm)
122nd Driest Driest since: 1995 1929
3rd Wettest Wettest since: 1996 1996
Jan 1996–Dec 1997
24-Month
80.02"
(2,032.51mm)
64.19"
(1,630.43mm)
15.83"
(402.08mm)
122nd Driest Driest since: 1995 1930
3rd Wettest Wettest since: 1996 1996
Jan 1995–Dec 1997
36-Month
120.60"
(3,063.24mm)
96.33"
(2,446.78mm)
24.27"
(616.46mm)
123rd Driest Driest since: 1996 1930
1st Wettest Wettest to Date 1997
Jan 1994–Dec 1997
48-Month
150.20"
(3,815.08mm)
128.33"
(3,259.58mm)
21.87"
(555.50mm)
118th Driest Driest since: 1996 1931
5th Wettest Wettest since: 1984 1998
Jan 1993–Dec 1997
60-Month
179.65"
(4,563.11mm)
160.34"
(4,072.64mm)
19.31"
(490.47mm)
116th Driest Driest since: 1996 1932
6th Wettest Wettest since: 1984 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2020, retrieved on September 29, 2020 from https://www.ncdc.noaa.gov/cag/