Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Northwest Climate Region

Precipitation Rankings, January 1985

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1985
1-Month
0.62"
(15.75mm)
4.53"
(115.06mm)
-3.91"
(-99.31mm)
1st Driest
Driest since:
1985
128th Wettest
Wettest since:
1953
Dec 1984–Jan 1985
2-Month
4.16"
(105.66mm)
9.17"
(232.92mm)
-5.01"
(-127.26mm)
2nd Driest
Driest since:
1977
126th Wettest
Wettest since:
1965
Nov 1984–Jan 1985
3-Month
11.37"
(288.80mm)
13.53"
(343.66mm)
-2.16"
(-54.86mm)
38th Driest
Driest since:
1977
90th Wettest
Wettest since:
1974
Oct 1984–Jan 1985
4-Month
14.64"
(371.86mm)
16.08"
(408.43mm)
-1.44"
(-36.57mm)
48th Driest
Driest since:
1977
80th Wettest
Wettest since:
1997
Sep 1984–Jan 1985
5-Month
16.03"
(407.16mm)
17.50"
(444.50mm)
-1.47"
(-37.34mm)
46th Driest
Driest since:
1977
82nd Wettest
Wettest since:
1974
Ties: 1963
Aug 1984–Jan 1985
6-Month
17.08"
(433.83mm)
18.31"
(465.07mm)
-1.23"
(-31.24mm)
50th Driest
Driest since:
1977
78th Wettest
Wettest since:
1974
Jul 1984–Jan 1985
7-Month
17.77"
(451.36mm)
19.04"
(483.62mm)
-1.27"
(-32.26mm)
50th Driest
Driest since:
1977
78th Wettest
Wettest since:
1956
Ties: 1986
Jun 1984–Jan 1985
8-Month
20.70"
(525.78mm)
20.76"
(527.30mm)
-0.06"
(-1.52mm)
69th Driest
Driest since:
1977
59th Wettest
Wettest since:
1956
May 1984–Jan 1985
9-Month
23.83"
(605.28mm)
22.91"
(581.91mm)
0.92"
(23.37mm)
78th Driest
Driest since:
1977
50th Wettest
Wettest since:
1997
Ties: 2013
Apr 1984–Jan 1985
10-Month
26.90"
(683.26mm)
25.27"
(641.86mm)
1.63"
(41.40mm)
88th Driest
Driest since:
1977
40th Wettest
Wettest since:
1997
Mar 1984–Jan 1985
11-Month
30.89"
(784.61mm)
28.53"
(724.66mm)
2.36"
(59.95mm)
92nd Driest
Driest since:
1977
36th Wettest
Wettest since:
1997
Feb 1984–Jan 1985
12-Month
34.55"
(877.57mm)
32.13"
(816.10mm)
2.42"
(61.47mm)
88th Driest
Driest since:
1977
40th Wettest
Wettest since:
1997
Aug 1983–Jan 1985
18-Month
55.43"
(1,407.92mm)
50.47"
(1,281.94mm)
4.96"
(125.98mm)
107th Driest
Driest since:
1930
20th Wettest
Wettest since:
1997
Feb 1983–Jan 1985
24-Month
74.81"
(1,900.17mm)
64.28"
(1,632.71mm)
10.53"
(267.46mm)
122nd Driest
Driest since:
1931
5th Wettest
Wettest since:
1997
Feb 1982–Jan 1985
36-Month
112.40"
(2,854.96mm)
96.31"
(2,446.27mm)
16.09"
(408.69mm)
121st Driest
Driest since:
1931
5th Wettest
Wettest since:
1998
Feb 1981–Jan 1985
48-Month
151.42"
(3,846.07mm)
128.35"
(3,260.09mm)
23.07"
(585.98mm)
121st Driest
Driest since:
1932
4th Wettest
Wettest to Date
1999
Feb 1980–Jan 1985
60-Month
183.08"
(4,650.23mm)
160.30"
(4,071.62mm)
22.78"
(578.61mm)
121st Driest
Driest since:
1933
3rd Wettest
Wettest to Date
2000

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