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 1997

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 1997
1-Month
5.89"
(149.61mm)
4.53"
(115.06mm)
1.36"
(34.55mm)
103rd Driest
Driest since:
1985
26th Wettest
Wettest since:
1953
Ties: 1912
Dec 1996–Jan 1997
2-Month
16.16"
(410.46mm)
9.17"
(232.92mm)
6.99"
(177.54mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1965
Nov 1996–Jan 1997
3-Month
21.95"
(557.53mm)
13.53"
(343.66mm)
8.42"
(213.87mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1974
Oct 1996–Jan 1997
4-Month
25.61"
(650.49mm)
16.08"
(408.43mm)
9.53"
(242.06mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1997
Sep 1996–Jan 1997
5-Month
27.03"
(686.56mm)
17.50"
(444.50mm)
9.53"
(242.06mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1974
Aug 1996–Jan 1997
6-Month
27.43"
(696.72mm)
18.31"
(465.07mm)
9.12"
(231.65mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1974
Jul 1996–Jan 1997
7-Month
27.94"
(709.68mm)
19.04"
(483.62mm)
8.90"
(226.06mm)
125th Driest
Driest since:
1977
3rd Wettest
Wettest since:
1956
Jun 1996–Jan 1997
8-Month
28.92"
(734.57mm)
20.76"
(527.30mm)
8.16"
(207.27mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1956
May 1996–Jan 1997
9-Month
32.58"
(827.53mm)
22.91"
(581.91mm)
9.67"
(245.62mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1997
Apr 1996–Jan 1997
10-Month
36.78"
(934.21mm)
25.27"
(641.86mm)
11.51"
(292.35mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1997
Mar 1996–Jan 1997
11-Month
39.06"
(992.12mm)
28.53"
(724.66mm)
10.53"
(267.46mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1997
Feb 1996–Jan 1997
12-Month
44.68"
(1,134.87mm)
32.13"
(816.10mm)
12.55"
(318.77mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1997
Aug 1995–Jan 1997
18-Month
68.75"
(1,746.25mm)
50.47"
(1,281.94mm)
18.28"
(464.31mm)
126th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1997
Feb 1995–Jan 1997
24-Month
85.66"
(2,175.76mm)
64.28"
(1,632.71mm)
21.38"
(543.05mm)
126th Driest
Driest since:
1931
1st Wettest
Wettest to Date
1997
Feb 1994–Jan 1997
36-Month
117.96"
(2,996.18mm)
96.31"
(2,446.27mm)
21.65"
(549.91mm)
123rd Driest
Driest since:
1931
3rd Wettest
Wettest to Date
1998
Feb 1993–Jan 1997
48-Month
146.58"
(3,723.13mm)
128.35"
(3,260.09mm)
18.23"
(463.04mm)
119th Driest
Driest since:
1932
6th Wettest
Wettest since:
1999
Feb 1992–Jan 1997
60-Month
174.27"
(4,426.46mm)
160.30"
(4,071.62mm)
13.97"
(354.84mm)
114th Driest
Driest since:
1933
10th Wettest
Wettest since:
2000

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