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 1900

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1900
1-Month 		0.79"
(20.07mm)		 0.58"
(14.73mm)		 0.21"
(5.34mm)		 99th Driest
Driest since:
 1922, 1935, 1943, 1974, 1987
30th Wettest
Wettest since:
 1940
Aug–Sep 1900
2-Month 		1.21"
(30.73mm)		 0.96"
(24.38mm)		 0.25"
(6.35mm)		 93rd Driest
Driest since:
 1935
36th Wettest
Wettest since:
 1976
Jul–Sep 1900
3-Month 		1.29"
(32.77mm)		 1.32"
(33.53mm)		 -0.03"
(-0.76mm)		 76th Driest
Driest since:
 2018
53rd Wettest
Wettest since:
 1976
Ties: 2003
Jun–Sep 1900
4-Month 		2.38"
(60.45mm)		 2.43"
(61.72mm)		 -0.05"
(-1.27mm)		 81st Driest
Driest since:
 1935
48th Wettest
Wettest since:
 1913
May–Sep 1900
5-Month 		3.57"
(90.68mm)		 3.70"
(93.98mm)		 -0.13"
(-3.30mm)		 65th Driest
Driest since:
 1928
64th Wettest
Wettest since:
 1998
Apr–Sep 1900
6-Month 		5.05"
(128.27mm)		 4.80"
(121.92mm)		 0.25"
(6.35mm)		 79th Driest
Driest since:
 1924
50th Wettest
Wettest since:
 1998
Mar–Sep 1900
7-Month 		5.69"
(144.53mm)		 6.01"
(152.65mm)		 -0.32"
(-8.12mm)		 63rd Driest
Driest since:
 1924
66th Wettest
Wettest since:
 1998
Feb–Sep 1900
8-Month 		6.51"
(165.35mm)		 7.32"
(185.93mm)		 -0.81"
(-20.58mm)		 53rd Driest
Driest since:
 1924
76th Wettest
Wettest since:
 1998
Jan–Sep 1900
9-Month 		7.80"
(198.12mm)		 8.89"
(225.81mm)		 -1.09"
(-27.69mm)		 48th Driest
Driest since:
 1924
81st Wettest
Wettest since:
 1998
Dec 1899–Sep 1900
10-Month 		9.89"
(251.21mm)		 10.36"
(263.14mm)		 -0.47"
(-11.93mm)		 58th Driest
Driest since:
 1924
70th Wettest
Wettest since:
 1998
Nov 1899–Sep 1900
11-Month 		11.32"
(287.53mm)		 11.66"
(296.16mm)		 -0.34"
(-8.63mm)		 64th Driest
Driest since:
 1924
64th Wettest
Wettest since:
 1998
Oct 1899–Sep 1900
12-Month 		13.40"
(340.36mm)		 12.55"
(318.77mm)		 0.85"
(21.59mm)		 80th Driest
Driest since:
 1966
48th Wettest
Wettest since:
 1983
Apr 1899–Sep 1900
18-Month 		17.26"
(438.40mm)		 17.37"
(441.20mm)		 -0.11"
(-2.80mm)		 71st Driest
Driest since:
 1929
57th Wettest
Wettest since:
 1983
Oct 1898–Sep 1900
24-Month 		25.82"
(655.83mm)		 25.13"
(638.30mm)		 0.69"
(17.53mm)		 76th Driest
Driest since:
 1955
51st Wettest
Wettest since:
 1984
Oct 1897–Sep 1900
36-Month 		34.69"
(881.13mm)		 37.71"
(957.83mm)		 -3.02"
(-76.70mm)		 38th Driest
Driest to Date
 1931
88th Wettest
Wettest since:
 1984
Oct 1896–Sep 1900
48-Month 		48.71"
(1,237.23mm)		 50.20"
(1,275.08mm)		 -1.49"
(-37.85mm)		 56th Driest
Driest to Date
 1934
69th Wettest
Wettest since:
 1984
Oct 1895–Sep 1900
60-Month 		62.30"
(1,582.42mm)		 62.67"
(1,591.82mm)		 -0.37"
(-9.40mm)		 69th Driest
Driest to Date
 1934
55th Wettest
Wettest to Date
 1984

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