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, September 1987

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1987
1-Month 		0.00"
(0.00mm)		 0.58"
(14.73mm)		 -0.58"
(-14.73mm)		 1st Driest
Driest since:
 1922, 1935, 1943, 1974, 1987
128th Wettest
Wettest since:
 1940
Ties: 1922, 1935, 1943, 1974
Aug–Sep 1987
2-Month 		0.28"
(7.11mm)		 0.96"
(24.38mm)		 -0.68"
(-17.27mm)		 15th Driest
Driest since:
 1935
114th Wettest
Wettest since:
 1976
Jul–Sep 1987
3-Month 		0.83"
(21.08mm)		 1.32"
(33.53mm)		 -0.49"
(-12.45mm)		 39th Driest
Driest since:
 2018
90th Wettest
Wettest since:
 1976
Jun–Sep 1987
4-Month 		1.95"
(49.53mm)		 2.43"
(61.72mm)		 -0.48"
(-12.19mm)		 54th Driest
Driest since:
 1935
75th Wettest
Wettest since:
 1913
May–Sep 1987
5-Month 		4.27"
(108.46mm)		 3.70"
(93.98mm)		 0.57"
(14.48mm)		 91st Driest
Driest since:
 1928
38th Wettest
Wettest since:
 1998
Apr–Sep 1987
6-Month 		4.84"
(122.94mm)		 4.80"
(121.92mm)		 0.04"
(1.02mm)		 67th Driest
Driest since:
 1924
62nd Wettest
Wettest since:
 1998
Mar–Sep 1987
7-Month 		6.25"
(158.75mm)		 6.01"
(152.65mm)		 0.24"
(6.10mm)		 77th Driest
Driest since:
 1924
52nd Wettest
Wettest since:
 1998
Feb–Sep 1987
8-Month 		7.51"
(190.75mm)		 7.32"
(185.93mm)		 0.19"
(4.82mm)		 77th Driest
Driest since:
 1924
52nd Wettest
Wettest since:
 1998
Jan–Sep 1987
9-Month 		8.73"
(221.74mm)		 8.89"
(225.81mm)		 -0.16"
(-4.07mm)		 63rd Driest
Driest since:
 1924
66th Wettest
Wettest since:
 1998
Dec 1986–Sep 1987
10-Month 		9.27"
(235.46mm)		 10.36"
(263.14mm)		 -1.09"
(-27.68mm)		 46th Driest
Driest since:
 1924
82nd Wettest
Wettest since:
 1998
Nov 1986–Sep 1987
11-Month 		9.78"
(248.41mm)		 11.66"
(296.16mm)		 -1.88"
(-47.75mm)		 35th Driest
Driest since:
 1924
93rd Wettest
Wettest since:
 1998
Oct 1986–Sep 1987
12-Month 		10.14"
(257.56mm)		 12.55"
(318.77mm)		 -2.41"
(-61.21mm)		 34th Driest
Driest since:
 1966
94th Wettest
Wettest since:
 1983
Apr 1986–Sep 1987
18-Month 		14.86"
(377.44mm)		 17.37"
(441.20mm)		 -2.51"
(-63.76mm)		 33rd Driest
Driest since:
 1929
95th Wettest
Wettest since:
 1983
Ties: 2018
Oct 1985–Sep 1987
24-Month 		24.54"
(623.32mm)		 25.13"
(638.30mm)		 -0.59"
(-14.98mm)		 61st Driest
Driest since:
 1955
66th Wettest
Wettest since:
 1984
Oct 1984–Sep 1987
36-Month 		36.13"
(917.70mm)		 37.71"
(957.83mm)		 -1.58"
(-40.13mm)		 55th Driest
Driest since:
 1931
71st Wettest
Wettest since:
 1984
Oct 1983–Sep 1987
48-Month 		54.52"
(1,384.81mm)		 50.20"
(1,275.08mm)		 4.32"
(109.73mm)		 101st Driest
Driest since:
 1934
24th Wettest
Wettest since:
 1984
Ties: 2019
Oct 1982–Sep 1987
60-Month 		73.84"
(1,875.54mm)		 62.67"
(1,591.82mm)		 11.17"
(283.72mm)		 116th Driest
Driest since:
 1934
8th Wettest
Wettest since:
 1984

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