Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Oregon, Climate Division 9. Southeast

Precipitation Rankings, October 2018

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 2018
1-Month 		1.08"
(27.43mm)		 0.89"
(22.61mm)		 0.19"
(4.82mm)		 85th Driest
Driest since:
 1895, 1917, 1952, 1988
44th Wettest
Wettest since:
 1956
Sep–Oct 2018
2-Month 		1.09"
(27.69mm)		 1.47"
(37.34mm)		 -0.38"
(-9.65mm)		 49th Driest
Driest since:
 1987
80th Wettest
Wettest since:
 1940
Ties: 1911
Aug–Oct 2018
3-Month 		1.16"
(29.46mm)		 1.85"
(46.99mm)		 -0.69"
(-17.53mm)		 33rd Driest
Driest since:
 1929
96th Wettest
Wettest since:
 1940
Ties: 1898, 1911
Jul–Oct 2018
4-Month 		1.22"
(30.99mm)		 2.21"
(56.13mm)		 -0.99"
(-25.14mm)		 21st Driest
Driest since:
 1929
108th Wettest
Wettest since:
 1940
Ties: 1934
Jun–Oct 2018
5-Month 		2.30"
(58.42mm)		 3.32"
(84.33mm)		 -1.02"
(-25.91mm)		 32nd Driest
Driest since:
 1935
97th Wettest
Wettest since:
 1923
May–Oct 2018
6-Month 		3.88"
(98.55mm)		 4.60"
(116.84mm)		 -0.72"
(-18.29mm)		 44th Driest
Driest since:
 1928
85th Wettest
Wettest since:
 1998
Ties: 1930
Apr–Oct 2018
7-Month 		4.71"
(119.63mm)		 5.69"
(144.53mm)		 -0.98"
(-24.90mm)		 38th Driest
Driest since:
 1928
91st Wettest
Wettest since:
 1998
Mar–Oct 2018
8-Month 		5.93"
(150.62mm)		 6.91"
(175.51mm)		 -0.98"
(-24.89mm)		 49th Driest
Driest since:
 1924
80th Wettest
Wettest since:
 1998
Feb–Oct 2018
9-Month 		6.65"
(168.91mm)		 8.21"
(208.53mm)		 -1.56"
(-39.62mm)		 32nd Driest
Driest since:
 1966
97th Wettest
Wettest since:
 1998
Jan–Oct 2018
10-Month 		7.98"
(202.69mm)		 9.79"
(248.67mm)		 -1.81"
(-45.98mm)		 35th Driest
Driest since:
 1966
94th Wettest
Wettest since:
 1998
Ties: 1990
Dec 2017–Oct 2018
11-Month 		8.71"
(221.23mm)		 11.26"
(286.00mm)		 -2.55"
(-64.77mm)		 30th Driest
Driest since:
 1966
98th Wettest
Wettest since:
 1998
Nov 2017–Oct 2018
12-Month 		10.43"
(264.92mm)		 12.56"
(319.02mm)		 -2.13"
(-54.10mm)		 35th Driest
Driest since:
 1924
93rd Wettest
Wettest since:
 1998
Ties: 1959
May 2017–Oct 2018
18-Month 		14.06"
(357.12mm)		 17.16"
(435.86mm)		 -3.10"
(-78.74mm)		 27th Driest
Driest since:
 1929
101st Wettest
Wettest since:
 1983
Nov 2016–Oct 2018
24-Month 		25.21"
(640.33mm)		 25.12"
(638.05mm)		 0.09"
(2.28mm)		 68th Driest
Driest since:
 1934
59th Wettest
Wettest since:
 1983
Nov 2015–Oct 2018
36-Month 		37.03"
(940.56mm)		 37.70"
(957.58mm)		 -0.67"
(-17.02mm)		 60th Driest
Driest since:
 1931
66th Wettest
Wettest since:
 1984
Ties: 1899
Nov 2014–Oct 2018
48-Month 		50.03"
(1,270.76mm)		 50.19"
(1,274.83mm)		 -0.16"
(-4.07mm)		 68th Driest
Driest since:
 1931
57th Wettest
Wettest since:
 1984
Nov 2013–Oct 2018
60-Month 		59.27"
(1,505.46mm)		 62.66"
(1,591.56mm)		 -3.39"
(-86.10mm)		 45th Driest
Driest since:
 1935
79th Wettest
Wettest since:
 1984

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