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 1991

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 1991
1-Month		1.17"
(29.72mm)		0.89"
(22.61mm)		0.28"
(7.11mm)		90th Driest
Driest since:
1895, 1917, 1952, 1988
39th Wettest
Wettest since:
1956
Sep–Oct 1991
2-Month		1.72"
(43.69mm)		1.47"
(37.34mm)		0.25"
(6.35mm)		83rd Driest
Driest since:
1987
46th Wettest
Wettest since:
1940
Ties: 1924
Aug–Oct 1991
3-Month		1.82"
(46.23mm)		1.85"
(46.99mm)		-0.03"
(-0.76mm)		68th Driest
Driest since:
1929
61st Wettest
Wettest since:
1940
Jul–Oct 1991
4-Month		1.91"
(48.51mm)		2.21"
(56.13mm)		-0.30"
(-7.62mm)		56th Driest
Driest since:
1929
73rd Wettest
Wettest since:
1940
Ties: 1901
Jun–Oct 1991
5-Month		3.34"
(84.84mm)		3.32"
(84.33mm)		0.02"
(0.51mm)		76th Driest
Driest since:
1935
53rd Wettest
Wettest since:
1923
May–Oct 1991
6-Month		6.47"
(164.34mm)		4.60"
(116.84mm)		1.87"
(47.50mm)		118th Driest
Driest since:
1928
11th Wettest
Wettest since:
1998
Ties: 2004
Apr–Oct 1991
7-Month		8.04"
(204.22mm)		5.69"
(144.53mm)		2.35"
(59.69mm)		117th Driest
Driest since:
1928
12th Wettest
Wettest since:
1998
Mar–Oct 1991
8-Month		9.46"
(240.28mm)		6.91"
(175.51mm)		2.55"
(64.77mm)		114th Driest
Driest since:
1924
15th Wettest
Wettest since:
1998
Feb–Oct 1991
9-Month		10.18"
(258.57mm)		8.21"
(208.53mm)		1.97"
(50.04mm)		105th Driest
Driest since:
1966
24th Wettest
Wettest since:
1998
Jan–Oct 1991
10-Month		10.77"
(273.56mm)		9.79"
(248.67mm)		0.98"
(24.89mm)		88th Driest
Driest since:
1966
41st Wettest
Wettest since:
1998
Dec 1990–Oct 1991
11-Month		11.46"
(291.08mm)		11.26"
(286.00mm)		0.20"
(5.08mm)		69th Driest
Driest since:
1966
59th Wettest
Wettest since:
1998
Nov 1990–Oct 1991
12-Month		12.12"
(307.85mm)		12.56"
(319.02mm)		-0.44"
(-11.17mm)		63rd Driest
Driest since:
1924
65th Wettest
Wettest since:
1998
May 1990–Oct 1991
18-Month		16.25"
(412.75mm)		17.16"
(435.86mm)		-0.91"
(-23.11mm)		55th Driest
Driest since:
1929
73rd Wettest
Wettest since:
1983
Nov 1989–Oct 1991
24-Month		20.98"
(532.89mm)		25.12"
(638.05mm)		-4.14"
(-105.16mm)		20th Driest
Driest since:
1934
107th Wettest
Wettest since:
1983
Ties: 1967
Nov 1988–Oct 1991
36-Month		35.52"
(902.21mm)		37.70"
(957.58mm)		-2.18"
(-55.37mm)		50th Driest
Driest since:
1931
76th Wettest
Wettest since:
1984
Nov 1987–Oct 1991
48-Month		43.93"
(1,115.82mm)		50.19"
(1,274.83mm)		-6.26"
(-159.01mm)		19th Driest
Driest since:
1931
106th Wettest
Wettest since:
1984
Nov 1986–Oct 1991
60-Month		53.89"
(1,368.81mm)		62.67"
(1,591.82mm)		-8.78"
(-223.01mm)		12th Driest
Driest since:
1935
112th Wettest
Wettest since:
1984

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