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 2009

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 2009
1-Month 		0.69"
(17.53mm)		 0.38"
(9.65mm)		 0.31"
(7.88mm)		 106th Driest
Driest since:
 1909, 1910, 1955, 1969
23rd Wettest
Wettest since:
 1965
Jul–Aug 2009
2-Month 		0.89"
(22.61mm)		 0.74"
(18.80mm)		 0.15"
(3.81mm)		 88th Driest
Driest since:
 1931
41st Wettest
Wettest since:
 1976
Jun–Aug 2009
3-Month 		3.87"
(98.30mm)		 1.85"
(46.99mm)		 2.02"
(51.31mm)		 123rd Driest
Driest since:
 1919
6th Wettest
Wettest since:
 1913
May–Aug 2009
4-Month 		5.26"
(133.60mm)		 3.12"
(79.25mm)		 2.14"
(54.35mm)		 120th Driest
Driest since:
 1919
9th Wettest
Wettest since:
 1998
Apr–Aug 2009
5-Month 		6.07"
(154.18mm)		 4.22"
(107.19mm)		 1.85"
(46.99mm)		 112th Driest
Driest since:
 1924
17th Wettest
Wettest since:
 1998
Mar–Aug 2009
6-Month 		7.03"
(178.56mm)		 5.43"
(137.92mm)		 1.60"
(40.64mm)		 108th Driest
Driest since:
 1924
21st Wettest
Wettest since:
 1998
Feb–Aug 2009
7-Month 		7.55"
(191.77mm)		 6.74"
(171.20mm)		 0.81"
(20.57mm)		 92nd Driest
Driest since:
 1924
37th Wettest
Wettest since:
 1998
Jan–Aug 2009
8-Month 		8.49"
(215.65mm)		 8.31"
(211.07mm)		 0.18"
(4.58mm)		 70th Driest
Driest since:
 1966
59th Wettest
Wettest since:
 1998
Dec 2008–Aug 2009
9-Month 		10.27"
(260.86mm)		 9.78"
(248.41mm)		 0.49"
(12.45mm)		 75th Driest
Driest since:
 1966
53rd Wettest
Wettest since:
 1998
Ties: 1951
Nov 2008–Aug 2009
10-Month 		11.50"
(292.10mm)		 11.09"
(281.69mm)		 0.41"
(10.41mm)		 74th Driest
Driest since:
 1924
54th Wettest
Wettest since:
 1984
Oct 2008–Aug 2009
11-Month 		11.97"
(304.04mm)		 11.97"
(304.04mm)		 0.00"
(0.00mm)		 66th Driest
Driest since:
 1966
62nd Wettest
Wettest since:
 1983
Sep 2008–Aug 2009
12-Month 		12.60"
(320.04mm)		 12.55"
(318.77mm)		 0.05"
(1.27mm)		 65th Driest
Driest since:
 1966
63rd Wettest
Wettest since:
 1983
Mar 2008–Aug 2009
18-Month 		15.89"
(403.61mm)		 17.99"
(456.95mm)		 -2.10"
(-53.34mm)		 42nd Driest
Driest since:
 1934
86th Wettest
Wettest since:
 1984
Sep 2007–Aug 2009
24-Month 		23.07"
(585.98mm)		 25.13"
(638.30mm)		 -2.06"
(-52.32mm)		 49th Driest
Driest since:
 1955
78th Wettest
Wettest since:
 1984
Sep 2006–Aug 2009
36-Month 		31.05"
(788.67mm)		 37.70"
(957.58mm)		 -6.65"
(-168.91mm)		 12th Driest
Driest since:
 1931
114th Wettest
Wettest since:
 1984
Sep 2005–Aug 2009
48-Month 		47.47"
(1,205.74mm)		 50.19"
(1,274.83mm)		 -2.72"
(-69.09mm)		 46th Driest
Driest since:
 1933
79th Wettest
Wettest since:
 1984
Sep 2004–Aug 2009
60-Month 		61.44"
(1,560.58mm)		 62.66"
(1,591.56mm)		 -1.22"
(-30.98mm)		 60th Driest
Driest since:
 1933
64th Wettest
Wettest since:
 1984
Ties: 1958

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