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, October 1979

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1979
1-Month
3.65"
(92.71mm)
2.54"
(64.52mm)
1.11"
(28.19mm)
108th Driest
Driest since:
1895
21st Wettest
Wettest since:
2016
Sep–Oct 1979
2-Month
4.66"
(118.36mm)
3.96"
(100.58mm)
0.70"
(17.78mm)
90th Driest
Driest since:
1987
39th Wettest
Wettest since:
2016
Ties: 1984
Aug–Oct 1979
3-Month
6.19"
(157.23mm)
4.76"
(120.90mm)
1.43"
(36.33mm)
106th Driest
Driest since:
1987
23rd Wettest
Wettest since:
2016
Ties: 1977
Jul–Oct 1979
4-Month
6.80"
(172.72mm)
5.49"
(139.45mm)
1.31"
(33.27mm)
102nd Driest
Driest since:
1952
27th Wettest
Wettest since:
2016
Jun–Oct 1979
5-Month
7.65"
(194.31mm)
7.21"
(183.13mm)
0.44"
(11.18mm)
82nd Driest
Driest since:
1917, 2002
47th Wettest
Wettest since:
1947
May–Oct 1979
6-Month
9.46"
(240.28mm)
9.35"
(237.49mm)
0.11"
(2.79mm)
71st Driest
Driest since:
2002
58th Wettest
Wettest since:
1941
Ties: 1943, 1967
Apr–Oct 1979
7-Month
12.04"
(305.82mm)
11.71"
(297.43mm)
0.33"
(8.39mm)
69th Driest
Driest since:
2002
60th Wettest
Wettest since:
1997
Mar–Oct 1979
8-Month
14.30"
(363.22mm)
14.97"
(380.24mm)
-0.67"
(-17.02mm)
51st Driest
Driest since:
1939
78th Wettest
Wettest since:
1997
Feb–Oct 1979
9-Month
19.60"
(497.84mm)
18.58"
(471.93mm)
1.02"
(25.91mm)
83rd Driest
Driest since:
1929
46th Wettest
Wettest since:
2017
Jan–Oct 1979
10-Month
22.29"
(566.17mm)
23.10"
(586.74mm)
-0.81"
(-20.57mm)
48th Driest
Driest since:
1929
81st Wettest
Wettest since:
1950
Dec 1978–Oct 1979
11-Month
25.30"
(642.62mm)
27.75"
(704.85mm)
-2.45"
(-62.23mm)
34th Driest
Driest since:
1929
94th Wettest
Wettest since:
1997
Nov 1978–Oct 1979
12-Month
28.28"
(718.31mm)
32.10"
(815.34mm)
-3.82"
(-97.03mm)
22nd Driest
Driest since:
1977
106th Wettest
Wettest since:
1997
May 1978–Oct 1979
18-Month
37.64"
(956.06mm)
41.48"
(1,053.59mm)
-3.84"
(-97.53mm)
27th Driest
Driest since:
1929
101st Wettest
Wettest since:
1997
Ties: 2021
Nov 1977–Oct 1979
24-Month
64.07"
(1,627.38mm)
64.23"
(1,631.44mm)
-0.16"
(-4.06mm)
66th Driest
Driest since:
1930
61st Wettest
Wettest since:
1997
Nov 1976–Oct 1979
36-Month
85.33"
(2,167.38mm)
96.31"
(2,446.27mm)
-10.98"
(-278.89mm)
10th Driest
Driest since:
1931
116th Wettest
Wettest since:
1997
Nov 1975–Oct 1979
48-Month
117.65"
(2,988.31mm)
128.38"
(3,260.85mm)
-10.73"
(-272.54mm)
17th Driest
Driest since:
1931
108th Wettest
Wettest since:
1999
Nov 1974–Oct 1979
60-Month
154.71"
(3,929.63mm)
160.37"
(4,073.40mm)
-5.66"
(-143.77mm)
37th Driest
Driest since:
1932
87th Wettest
Wettest since:
1999

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