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 1931

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1931
1-Month 		0.62"
(15.75mm)		 0.89"
(22.61mm)		 -0.27"
(-6.86mm)		 52nd Driest
Driest since:
 1895, 1917, 1952, 1988
77th Wettest
Wettest since:
 1956
Sep–Oct 1931
2-Month 		0.86"
(21.84mm)		 1.47"
(37.34mm)		 -0.61"
(-15.50mm)		 30th Driest
Driest since:
 1987
99th Wettest
Wettest since:
 1940
Ties: 1902, 1960, 1997, 2012
Aug–Oct 1931
3-Month 		0.87"
(22.10mm)		 1.85"
(46.99mm)		 -0.98"
(-24.89mm)		 20th Driest
Driest since:
 1929
109th Wettest
Wettest since:
 1940
Jul–Oct 1931
4-Month 		0.91"
(23.11mm)		 2.21"
(56.13mm)		 -1.30"
(-33.02mm)		 11th Driest
Driest since:
 1929
118th Wettest
Wettest since:
 1940
Jun–Oct 1931
5-Month 		1.77"
(44.96mm)		 3.32"
(84.33mm)		 -1.55"
(-39.37mm)		 13th Driest
Driest since:
 1935
116th Wettest
Wettest since:
 1923
May–Oct 1931
6-Month 		2.28"
(57.91mm)		 4.60"
(116.84mm)		 -2.32"
(-58.93mm)		 5th Driest
Driest since:
 1928
124th Wettest
Wettest since:
 1998
Apr–Oct 1931
7-Month 		2.76"
(70.10mm)		 5.69"
(144.53mm)		 -2.93"
(-74.43mm)		 3rd Driest
Driest since:
 1928
126th Wettest
Wettest since:
 1998
Mar–Oct 1931
8-Month 		4.34"
(110.24mm)		 6.91"
(175.51mm)		 -2.57"
(-65.27mm)		 11th Driest
Driest since:
 1924
118th Wettest
Wettest since:
 1998
Feb–Oct 1931
9-Month 		5.29"
(134.37mm)		 8.21"
(208.53mm)		 -2.92"
(-74.16mm)		 9th Driest
Driest since:
 1966
120th Wettest
Wettest since:
 1998
Jan–Oct 1931
10-Month 		6.42"
(163.07mm)		 9.79"
(248.67mm)		 -3.37"
(-85.60mm)		 10th Driest
Driest since:
 1966
119th Wettest
Wettest since:
 1998
Dec 1930–Oct 1931
11-Month 		6.56"
(166.62mm)		 11.26"
(286.00mm)		 -4.70"
(-119.38mm)		 3rd Driest
Driest since:
 1966
125th Wettest
Wettest since:
 1998
Nov 1930–Oct 1931
12-Month 		7.54"
(191.52mm)		 12.56"
(319.02mm)		 -5.02"
(-127.50mm)		 4th Driest
Driest since:
 1924
124th Wettest
Wettest since:
 1998
May 1930–Oct 1931
18-Month 		11.42"
(290.07mm)		 17.16"
(435.86mm)		 -5.74"
(-145.79mm)		 2nd Driest
Driest since:
 1929
126th Wettest
Wettest since:
 1983
Nov 1929–Oct 1931
24-Month 		17.88"
(454.15mm)		 25.12"
(638.05mm)		 -7.24"
(-183.90mm)		 3rd Driest
Driest to Date
 1934
124th Wettest
Wettest since:
 1983
Nov 1928–Oct 1931
36-Month 		26.67"
(677.42mm)		 37.70"
(957.58mm)		 -11.03"
(-280.16mm)		 1st Driest
Driest to Date
 1931
125th Wettest
Wettest since:
 1984
Nov 1927–Oct 1931
48-Month 		36.35"
(923.29mm)		 50.19"
(1,274.83mm)		 -13.84"
(-351.54mm)		 1st Driest
Driest to Date
 1931
124th Wettest
Wettest since:
 1984
Nov 1926–Oct 1931
60-Month 		49.91"
(1,267.71mm)		 62.67"
(1,591.82mm)		 -12.76"
(-324.11mm)		 6th Driest
Driest to Date
 1935
118th Wettest
Wettest since:
 1984

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