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 1933

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 1933
1-Month
5.37"
(136.40mm)
4.53"
(115.06mm)
0.84"
(21.34mm)
97th Driest
Driest since:
1985
32nd Wettest
Wettest since:
1953
Dec 1932–Jan 1933
2-Month
9.81"
(249.17mm)
9.17"
(232.92mm)
0.64"
(16.25mm)
81st Driest
Driest since:
1977
47th Wettest
Wettest since:
1965
Nov 1932–Jan 1933
3-Month
15.38"
(390.65mm)
13.53"
(343.66mm)
1.85"
(46.99mm)
89th Driest
Driest since:
1977
39th Wettest
Wettest since:
1974
Oct 1932–Jan 1933
4-Month
17.74"
(450.60mm)
16.08"
(408.43mm)
1.66"
(42.17mm)
84th Driest
Driest since:
1977
44th Wettest
Wettest since:
1997
Sep 1932–Jan 1933
5-Month
18.01"
(457.45mm)
17.50"
(444.50mm)
0.51"
(12.95mm)
69th Driest
Driest since:
1977
59th Wettest
Wettest since:
1974
Aug 1932–Jan 1933
6-Month
18.61"
(472.69mm)
18.31"
(465.07mm)
0.30"
(7.62mm)
68th Driest
Driest since:
1977
60th Wettest
Wettest since:
1974
Jul 1932–Jan 1933
7-Month
19.60"
(497.84mm)
19.04"
(483.62mm)
0.56"
(14.22mm)
73rd Driest
Driest since:
1977
55th Wettest
Wettest since:
1956
Jun 1932–Jan 1933
8-Month
20.56"
(522.22mm)
20.76"
(527.30mm)
-0.20"
(-5.08mm)
67th Driest
Driest since:
1977
61st Wettest
Wettest since:
1956
May 1932–Jan 1933
9-Month
22.91"
(581.91mm)
22.91"
(581.91mm)
0.00"
(0.00mm)
70th Driest
Driest since:
1977
58th Wettest
Wettest since:
1997
Apr 1932–Jan 1933
10-Month
25.88"
(657.35mm)
25.27"
(641.86mm)
0.61"
(15.49mm)
79th Driest
Driest since:
1977
49th Wettest
Wettest since:
1997
Mar 1932–Jan 1933
11-Month
31.10"
(789.94mm)
28.53"
(724.66mm)
2.57"
(65.28mm)
94th Driest
Driest since:
1977
34th Wettest
Wettest since:
1997
Feb 1932–Jan 1933
12-Month
34.21"
(868.93mm)
32.13"
(816.10mm)
2.08"
(52.83mm)
86th Driest
Driest since:
1977
42nd Wettest
Wettest since:
1997
Aug 1931–Jan 1933
18-Month
52.28"
(1,327.91mm)
50.47"
(1,281.94mm)
1.81"
(45.97mm)
80th Driest
Driest since:
1930
47th Wettest
Wettest since:
1997
Feb 1931–Jan 1933
24-Month
64.15"
(1,629.41mm)
64.28"
(1,632.71mm)
-0.13"
(-3.30mm)
65th Driest
Driest since:
1931
62nd Wettest
Wettest since:
1997
Feb 1930–Jan 1933
36-Month
88.74"
(2,254.00mm)
96.31"
(2,446.27mm)
-7.57"
(-192.27mm)
24th Driest
Driest since:
1931
102nd Wettest
Wettest since:
1998
Feb 1929–Jan 1933
48-Month
110.49"
(2,806.45mm)
128.35"
(3,260.09mm)
-17.86"
(-453.64mm)
3rd Driest
Driest since:
1932
122nd Wettest
Wettest since:
1999
Feb 1928–Jan 1933
60-Month
135.38"
(3,438.65mm)
160.30"
(4,071.62mm)
-24.92"
(-632.97mm)
1st Driest
Driest since:
1933
123rd Wettest
Wettest since:
2000

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