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 1919

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1919
1-Month
4.99"
(126.75mm)
4.53"
(115.06mm)
0.46"
(11.69mm)
81st Driest
Driest since:
1985
48th Wettest
Wettest since:
1953
Ties: 1980
Dec 1918–Jan 1919
2-Month
8.11"
(205.99mm)
9.17"
(232.92mm)
-1.06"
(-26.93mm)
49th Driest
Driest since:
1977
79th Wettest
Wettest since:
1965
Nov 1918–Jan 1919
3-Month
11.16"
(283.46mm)
13.53"
(343.66mm)
-2.37"
(-60.20mm)
31st Driest
Driest since:
1977
97th Wettest
Wettest since:
1974
Ties: 1948
Oct 1918–Jan 1919
4-Month
14.61"
(371.09mm)
16.08"
(408.43mm)
-1.47"
(-37.34mm)
47th Driest
Driest since:
1977
81st Wettest
Wettest since:
1997
Sep 1918–Jan 1919
5-Month
15.88"
(403.35mm)
17.50"
(444.50mm)
-1.62"
(-41.15mm)
43rd Driest
Driest since:
1977
85th Wettest
Wettest since:
1974
Ties: 1962
Aug 1918–Jan 1919
6-Month
17.20"
(436.88mm)
18.31"
(465.07mm)
-1.11"
(-28.19mm)
52nd Driest
Driest since:
1977
76th Wettest
Wettest since:
1974
Jul 1918–Jan 1919
7-Month
18.24"
(463.30mm)
19.04"
(483.62mm)
-0.80"
(-20.32mm)
57th Driest
Driest since:
1977
71st Wettest
Wettest since:
1956
Jun 1918–Jan 1919
8-Month
18.89"
(479.81mm)
20.76"
(527.30mm)
-1.87"
(-47.49mm)
45th Driest
Driest since:
1977
83rd Wettest
Wettest since:
1956
May 1918–Jan 1919
9-Month
20.33"
(516.38mm)
22.91"
(581.91mm)
-2.58"
(-65.53mm)
31st Driest
Driest since:
1977
97th Wettest
Wettest since:
1997
Apr 1918–Jan 1919
10-Month
21.36"
(542.54mm)
25.27"
(641.86mm)
-3.91"
(-99.32mm)
23rd Driest
Driest since:
1977
105th Wettest
Wettest since:
1997
Mar 1918–Jan 1919
11-Month
24.39"
(619.51mm)
28.53"
(724.66mm)
-4.14"
(-105.15mm)
22nd Driest
Driest since:
1977
106th Wettest
Wettest since:
1997
Feb 1918–Jan 1919
12-Month
28.61"
(726.69mm)
32.13"
(816.10mm)
-3.52"
(-89.41mm)
33rd Driest
Driest since:
1977
95th Wettest
Wettest since:
1997
Aug 1917–Jan 1919
18-Month
47.35"
(1,202.69mm)
50.47"
(1,281.94mm)
-3.12"
(-79.25mm)
42nd Driest
Driest since:
1930
85th Wettest
Wettest since:
1997
Feb 1917–Jan 1919
24-Month
61.91"
(1,572.51mm)
64.28"
(1,632.71mm)
-2.37"
(-60.20mm)
48th Driest
Driest since:
1931
79th Wettest
Wettest since:
1997
Feb 1916–Jan 1919
36-Month
94.59"
(2,402.59mm)
96.31"
(2,446.27mm)
-1.72"
(-43.68mm)
55th Driest
Driest since:
1931
71st Wettest
Wettest since:
1998
Feb 1915–Jan 1919
48-Month
128.45"
(3,262.63mm)
128.35"
(3,260.09mm)
0.10"
(2.54mm)
70th Driest
Driest since:
1932
55th Wettest
Wettest since:
1999
Feb 1914–Jan 1919
60-Month
153.91"
(3,909.31mm)
160.30"
(4,071.62mm)
-6.39"
(-162.31mm)
34th Driest
Driest since:
1933
90th Wettest
Wettest since:
2000

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