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 1980

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1980
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: 1919
Dec 1979–Jan 1980
2-Month
9.76"
(247.90mm)
9.17"
(232.92mm)
0.59"
(14.98mm)
80th Driest
Driest since:
1977
48th Wettest
Wettest since:
1965
Nov 1979–Jan 1980
3-Month
12.54"
(318.52mm)
13.53"
(343.66mm)
-0.99"
(-25.14mm)
50th Driest
Driest since:
1977
78th Wettest
Wettest since:
1974
Oct 1979–Jan 1980
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: 2000
Sep 1979–Jan 1980
5-Month
17.20"
(436.88mm)
17.50"
(444.50mm)
-0.30"
(-7.62mm)
58th Driest
Driest since:
1977
70th Wettest
Wettest since:
1974
Aug 1979–Jan 1980
6-Month
18.73"
(475.74mm)
18.31"
(465.07mm)
0.42"
(10.67mm)
69th Driest
Driest since:
1977
59th Wettest
Wettest since:
1974
Jul 1979–Jan 1980
7-Month
19.34"
(491.24mm)
19.04"
(483.62mm)
0.30"
(7.62mm)
71st Driest
Driest since:
1977
57th Wettest
Wettest since:
1956
Jun 1979–Jan 1980
8-Month
20.19"
(512.83mm)
20.76"
(527.30mm)
-0.57"
(-14.47mm)
62nd Driest
Driest since:
1977
66th Wettest
Wettest since:
1956
May 1979–Jan 1980
9-Month
22.00"
(558.80mm)
22.91"
(581.91mm)
-0.91"
(-23.11mm)
58th Driest
Driest since:
1977
70th Wettest
Wettest since:
1997
Ties: 1923
Apr 1979–Jan 1980
10-Month
24.58"
(624.33mm)
25.27"
(641.86mm)
-0.69"
(-17.53mm)
63rd Driest
Driest since:
1977
65th Wettest
Wettest since:
1997
Ties: 1989
Mar 1979–Jan 1980
11-Month
26.84"
(681.74mm)
28.53"
(724.66mm)
-1.69"
(-42.92mm)
43rd Driest
Driest since:
1977
85th Wettest
Wettest since:
1997
Feb 1979–Jan 1980
12-Month
32.14"
(816.36mm)
32.13"
(816.10mm)
0.01"
(0.26mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
1997
Ties: 2020
Aug 1978–Jan 1980
18-Month
45.61"
(1,158.49mm)
50.47"
(1,281.94mm)
-4.86"
(-123.45mm)
22nd Driest
Driest since:
1930
105th Wettest
Wettest since:
1997
Feb 1978–Jan 1980
24-Month
59.56"
(1,512.82mm)
64.28"
(1,632.71mm)
-4.72"
(-119.89mm)
32nd Driest
Driest since:
1931
95th Wettest
Wettest since:
1997
Feb 1977–Jan 1980
36-Month
94.13"
(2,390.90mm)
96.31"
(2,446.27mm)
-2.18"
(-55.37mm)
51st Driest
Driest since:
1931
75th Wettest
Wettest since:
1998
Feb 1976–Jan 1980
48-Month
115.71"
(2,939.03mm)
128.35"
(3,260.09mm)
-12.64"
(-321.06mm)
11th Driest
Driest since:
1932
114th Wettest
Wettest since:
1999
Feb 1975–Jan 1980
60-Month
152.63"
(3,876.80mm)
160.30"
(4,071.62mm)
-7.67"
(-194.82mm)
28th Driest
Driest since:
1933
96th Wettest
Wettest since:
2000

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