Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1965

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 1965
1-Month
6.47"
(164.34mm)
4.53"
(115.06mm)
1.94"
(49.28mm)
113th Driest
Driest since:
1985
17th Wettest
Wettest since:
1953
Dec 1964–Jan 1965
2-Month
16.78"
(426.21mm)
9.17"
(232.92mm)
7.61"
(193.29mm)
128th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1965
Nov 1964–Jan 1965
3-Month
21.78"
(553.21mm)
13.53"
(343.66mm)
8.25"
(209.55mm)
126th Driest
Driest since:
1977
3rd Wettest
Wettest to Date
1974
Oct 1964–Jan 1965
4-Month
23.05"
(585.47mm)
16.08"
(408.43mm)
6.97"
(177.04mm)
125th Driest
Driest since:
1977
4th Wettest
Wettest since:
1997
Sep 1964–Jan 1965
5-Month
24.12"
(612.65mm)
17.50"
(444.50mm)
6.62"
(168.15mm)
125th Driest
Driest since:
1977
4th Wettest
Wettest since:
1974
Aug 1964–Jan 1965
6-Month
25.30"
(642.62mm)
18.31"
(465.07mm)
6.99"
(177.55mm)
124th Driest
Driest since:
1977
5th Wettest
Wettest since:
1974
Jul 1964–Jan 1965
7-Month
26.28"
(667.51mm)
19.04"
(483.62mm)
7.24"
(183.89mm)
124th Driest
Driest since:
1977
5th Wettest
Wettest since:
1956
Jun 1964–Jan 1965
8-Month
29.37"
(746.00mm)
20.76"
(527.30mm)
8.61"
(218.70mm)
126th Driest
Driest since:
1977
3rd Wettest
Wettest since:
1956
May 1964–Jan 1965
9-Month
30.82"
(782.83mm)
22.91"
(581.91mm)
7.91"
(200.92mm)
125th Driest
Driest since:
1977
4th Wettest
Wettest since:
1997
Apr 1964–Jan 1965
10-Month
32.86"
(834.64mm)
25.27"
(641.86mm)
7.59"
(192.78mm)
125th Driest
Driest since:
1977
4th Wettest
Wettest since:
1997
Mar 1964–Jan 1965
11-Month
36.32"
(922.53mm)
28.53"
(724.66mm)
7.79"
(197.87mm)
125th Driest
Driest since:
1977
4th Wettest
Wettest since:
1997
Feb 1964–Jan 1965
12-Month
37.57"
(954.28mm)
32.13"
(816.10mm)
5.44"
(138.18mm)
116th Driest
Driest since:
1977
13th Wettest
Wettest since:
1997
Aug 1963–Jan 1965
18-Month
57.84"
(1,469.14mm)
50.47"
(1,281.94mm)
7.37"
(187.20mm)
117th Driest
Driest since:
1930
11th Wettest
Wettest since:
1997
Feb 1963–Jan 1965
24-Month
74.35"
(1,888.49mm)
64.28"
(1,632.71mm)
10.07"
(255.78mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest to Date
1997
Feb 1962–Jan 1965
36-Month
104.74"
(2,660.40mm)
96.31"
(2,446.27mm)
8.43"
(214.13mm)
113th Driest
Driest since:
1931
14th Wettest
Wettest since:
1998
Feb 1961–Jan 1965
48-Month
138.81"
(3,525.77mm)
128.35"
(3,260.09mm)
10.46"
(265.68mm)
111th Driest
Driest since:
1932
15th Wettest
Wettest since:
1999
Feb 1960–Jan 1965
60-Month
171.04"
(4,344.42mm)
160.30"
(4,071.62mm)
10.74"
(272.80mm)
109th Driest
Driest since:
1933
16th Wettest
Wettest since:
2000

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