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 1930

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1930
1-Month 		0.67"
(17.02mm)		 0.89"
(22.61mm)		 -0.22"
(-5.59mm)		 56th Driest
Driest since:
 1895, 1917, 1952, 1988
73rd Wettest
Wettest since:
 1956
Ties: 1898, 1968
Sep–Oct 1930
2-Month 		1.28"
(32.51mm)		 1.47"
(37.34mm)		 -0.19"
(-4.83mm)		 60th Driest
Driest since:
 1987
69th Wettest
Wettest since:
 1940
Aug–Oct 1930
3-Month 		1.75"
(44.45mm)		 1.85"
(46.99mm)		 -0.10"
(-2.54mm)		 63rd Driest
Driest since:
 1929
66th Wettest
Wettest since:
 1940
Ties: 1960
Jul–Oct 1930
4-Month 		1.76"
(44.70mm)		 2.21"
(56.13mm)		 -0.45"
(-11.43mm)		 47th Driest
Driest since:
 1929
82nd Wettest
Wettest since:
 1940
Jun–Oct 1930
5-Month 		2.20"
(55.88mm)		 3.32"
(84.33mm)		 -1.12"
(-28.45mm)		 28th Driest
Driest since:
 1935
101st Wettest
Wettest since:
 1923
Ties: 1901, 1960
May–Oct 1930
6-Month 		3.88"
(98.55mm)		 4.60"
(116.84mm)		 -0.72"
(-18.29mm)		 44th Driest
Driest since:
 1928
85th Wettest
Wettest since:
 1998
Ties: 2018
Apr–Oct 1930
7-Month 		4.96"
(125.98mm)		 5.69"
(144.53mm)		 -0.73"
(-18.55mm)		 44th Driest
Driest since:
 1928
85th Wettest
Wettest since:
 1998
Ties: 1921
Mar–Oct 1930
8-Month 		5.87"
(149.10mm)		 6.91"
(175.51mm)		 -1.04"
(-26.41mm)		 45th Driest
Driest since:
 1924
84th Wettest
Wettest since:
 1998
Feb–Oct 1930
9-Month 		7.01"
(178.05mm)		 8.21"
(208.53mm)		 -1.20"
(-30.48mm)		 44th Driest
Driest since:
 1966
85th Wettest
Wettest since:
 1998
Ties: 1936
Jan–Oct 1930
10-Month 		8.71"
(221.23mm)		 9.79"
(248.67mm)		 -1.08"
(-27.44mm)		 45th Driest
Driest since:
 1966
84th Wettest
Wettest since:
 1998
Dec 1929–Oct 1930
11-Month 		10.32"
(262.13mm)		 11.26"
(286.00mm)		 -0.94"
(-23.87mm)		 52nd Driest
Driest since:
 1966
76th Wettest
Wettest since:
 1998
Nov 1929–Oct 1930
12-Month 		10.34"
(262.64mm)		 12.56"
(319.02mm)		 -2.22"
(-56.38mm)		 33rd Driest
Driest since:
 1924
95th Wettest
Wettest since:
 1998
May 1929–Oct 1930
18-Month 		12.65"
(321.31mm)		 17.16"
(435.86mm)		 -4.51"
(-114.55mm)		 8th Driest
Driest since:
 1929
120th Wettest
Wettest since:
 1983
Nov 1928–Oct 1930
24-Month 		19.13"
(485.90mm)		 25.12"
(638.05mm)		 -5.99"
(-152.15mm)		 10th Driest
Driest since:
 1934
117th Wettest
Wettest since:
 1983
Nov 1927–Oct 1930
36-Month 		28.81"
(731.77mm)		 37.70"
(957.58mm)		 -8.89"
(-225.81mm)		 5th Driest
Driest to Date
 1931
121st Wettest
Wettest since:
 1984
Nov 1926–Oct 1930
48-Month 		42.37"
(1,076.20mm)		 50.19"
(1,274.83mm)		 -7.82"
(-198.63mm)		 10th Driest
Driest to Date
 1931
115th Wettest
Wettest since:
 1984
Nov 1925–Oct 1930
60-Month 		53.06"
(1,347.72mm)		 62.67"
(1,591.82mm)		 -9.61"
(-244.10mm)		 9th Driest
Driest to Date
 1935
115th Wettest
Wettest since:
 1984

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