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, August 1990

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 1990
1-Month		1.14"
(28.96mm)		0.38"
(9.65mm)		0.76"
(19.31mm)		123rd Driest
Driest since:
1909, 1910, 1955, 1969
6th Wettest
Wettest since:
1965
Ties: 1941
Jul–Aug 1990
2-Month		1.40"
(35.56mm)		0.74"
(18.80mm)		0.66"
(16.76mm)		117th Driest
Driest since:
1931
12th Wettest
Wettest since:
1976
Jun–Aug 1990
3-Month		1.91"
(48.51mm)		1.85"
(46.99mm)		0.06"
(1.52mm)		81st Driest
Driest since:
1919
48th Wettest
Wettest since:
1913
May–Aug 1990
4-Month		3.47"
(88.14mm)		3.12"
(79.25mm)		0.35"
(8.89mm)		78th Driest
Driest since:
1919
51st Wettest
Wettest since:
1998
Ties: 1911, 1997
Apr–Aug 1990
5-Month		4.90"
(124.46mm)		4.22"
(107.19mm)		0.68"
(17.27mm)		93rd Driest
Driest since:
1924
36th Wettest
Wettest since:
1998
Ties: 1956, 1976
Mar–Aug 1990
6-Month		5.69"
(144.53mm)		5.43"
(137.92mm)		0.26"
(6.61mm)		78th Driest
Driest since:
1924
51st Wettest
Wettest since:
1998
Ties: 1979
Feb–Aug 1990
7-Month		6.36"
(161.54mm)		6.74"
(171.20mm)		-0.38"
(-9.66mm)		59th Driest
Driest since:
1924
70th Wettest
Wettest since:
1998
Jan–Aug 1990
8-Month		7.32"
(185.93mm)		8.31"
(211.07mm)		-0.99"
(-25.14mm)		46th Driest
Driest since:
1966
83rd Wettest
Wettest since:
1998
Dec 1989–Aug 1990
9-Month		7.51"
(190.75mm)		9.78"
(248.41mm)		-2.27"
(-57.66mm)		29th Driest
Driest since:
1966
99th Wettest
Wettest since:
1998
Nov 1989–Aug 1990
10-Month		8.20"
(208.28mm)		11.09"
(281.69mm)		-2.89"
(-73.41mm)		22nd Driest
Driest since:
1924
106th Wettest
Wettest since:
1984
Oct 1989–Aug 1990
11-Month		8.92"
(226.57mm)		11.97"
(304.04mm)		-3.05"
(-77.47mm)		21st Driest
Driest since:
1966
107th Wettest
Wettest since:
1983
Sep 1989–Aug 1990
12-Month		9.98"
(253.49mm)		12.55"
(318.77mm)		-2.57"
(-65.28mm)		26th Driest
Driest since:
1966
102nd Wettest
Wettest since:
1983
Mar 1989–Aug 1990
18-Month		16.27"
(413.26mm)		17.99"
(456.95mm)		-1.72"
(-43.69mm)		49th Driest
Driest since:
1934
79th Wettest
Wettest since:
1984
Sep 1988–Aug 1990
24-Month		23.08"
(586.23mm)		25.13"
(638.30mm)		-2.05"
(-52.07mm)		50th Driest
Driest since:
1955
77th Wettest
Wettest since:
1984
Sep 1987–Aug 1990
36-Month		31.33"
(795.78mm)		37.70"
(957.58mm)		-6.37"
(-161.80mm)		15th Driest
Driest since:
1931
111th Wettest
Wettest since:
1984
Sep 1986–Aug 1990
48-Month		43.27"
(1,099.06mm)		50.19"
(1,274.83mm)		-6.92"
(-175.77mm)		15th Driest
Driest since:
1933
110th Wettest
Wettest since:
1984
Sep 1985–Aug 1990
60-Month		57.23"
(1,453.64mm)		62.66"
(1,591.56mm)		-5.43"
(-137.92mm)		22nd Driest
Driest since:
1933
102nd Wettest
Wettest since:
1984

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