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 2000

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 2000
1-Month
5.14"
(130.56mm)
4.53"
(115.06mm)
0.61"
(15.50mm)
87th Driest
Driest since:
1985
42nd Wettest
Wettest since:
1953
Dec 1999–Jan 2000
2-Month
9.30"
(236.22mm)
9.17"
(232.92mm)
0.13"
(3.30mm)
69th Driest
Driest since:
1977
59th Wettest
Wettest since:
1965
Nov 1999–Jan 2000
3-Month
14.03"
(356.36mm)
13.53"
(343.66mm)
0.50"
(12.70mm)
73rd Driest
Driest since:
1977
55th Wettest
Wettest since:
1974
Oct 1999–Jan 2000
4-Month
16.19"
(411.23mm)
16.08"
(408.43mm)
0.11"
(2.80mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
1997
Ties: 1980
Sep 1999–Jan 2000
5-Month
16.38"
(416.05mm)
17.50"
(444.50mm)
-1.12"
(-28.45mm)
52nd Driest
Driest since:
1977
76th Wettest
Wettest since:
1974
Aug 1999–Jan 2000
6-Month
17.53"
(445.26mm)
18.31"
(465.07mm)
-0.78"
(-19.81mm)
57th Driest
Driest since:
1977
71st Wettest
Wettest since:
1974
Jul 1999–Jan 2000
7-Month
17.96"
(456.18mm)
19.04"
(483.62mm)
-1.08"
(-27.44mm)
55th Driest
Driest since:
1977
73rd Wettest
Wettest since:
1956
Jun 1999–Jan 2000
8-Month
19.42"
(493.27mm)
20.76"
(527.30mm)
-1.34"
(-34.03mm)
54th Driest
Driest since:
1977
74th Wettest
Wettest since:
1956
May 1999–Jan 2000
9-Month
21.63"
(549.40mm)
22.91"
(581.91mm)
-1.28"
(-32.51mm)
51st Driest
Driest since:
1977
77th Wettest
Wettest since:
1997
Apr 1999–Jan 2000
10-Month
23.12"
(587.25mm)
25.27"
(641.86mm)
-2.15"
(-54.61mm)
38th Driest
Driest since:
1977
90th Wettest
Wettest since:
1997
Mar 1999–Jan 2000
11-Month
26.13"
(663.70mm)
28.53"
(724.66mm)
-2.40"
(-60.96mm)
38th Driest
Driest since:
1977
90th Wettest
Wettest since:
1997
Feb 1999–Jan 2000
12-Month
33.29"
(845.57mm)
32.13"
(816.10mm)
1.16"
(29.47mm)
77th Driest
Driest since:
1977
51st Wettest
Wettest since:
1997
Aug 1998–Jan 2000
18-Month
55.29"
(1,404.37mm)
50.47"
(1,281.94mm)
4.82"
(122.43mm)
104th Driest
Driest since:
1930
23rd Wettest
Wettest since:
1997
Feb 1998–Jan 2000
24-Month
71.94"
(1,827.28mm)
64.28"
(1,632.71mm)
7.66"
(194.57mm)
115th Driest
Driest since:
1931
12th Wettest
Wettest since:
1997
Feb 1997–Jan 2000
36-Month
107.56"
(2,732.02mm)
96.31"
(2,446.27mm)
11.25"
(285.75mm)
118th Driest
Driest since:
1931
8th Wettest
Wettest since:
1998
Feb 1996–Jan 2000
48-Month
152.24"
(3,866.90mm)
128.35"
(3,260.09mm)
23.89"
(606.81mm)
122nd Driest
Driest since:
1932
3rd Wettest
Wettest since:
1999
Feb 1995–Jan 2000
60-Month
193.22"
(4,907.79mm)
160.30"
(4,071.62mm)
32.92"
(836.17mm)
123rd Driest
Driest since:
1933
1st Wettest
Wettest to Date
2000

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