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 1978

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1978
1-Month 		0.01"
(0.25mm)		 0.89"
(22.61mm)		 -0.88"
(-22.36mm)		 5th Driest
Driest since:
 1895, 1917, 1952, 1988
124th Wettest
Wettest since:
 1956
Sep–Oct 1978
2-Month 		1.24"
(31.50mm)		 1.47"
(37.34mm)		 -0.23"
(-5.84mm)		 57th Driest
Driest since:
 1987
72nd Wettest
Wettest since:
 1940
Aug–Oct 1978
3-Month 		1.83"
(46.48mm)		 1.85"
(46.99mm)		 -0.02"
(-0.51mm)		 70th Driest
Driest since:
 1929
59th Wettest
Wettest since:
 1940
Ties: 1972
Jul–Oct 1978
4-Month 		2.30"
(58.42mm)		 2.21"
(56.13mm)		 0.09"
(2.29mm)		 79th Driest
Driest since:
 1929
50th Wettest
Wettest since:
 1940
Ties: 2009
Jun–Oct 1978
5-Month 		2.98"
(75.69mm)		 3.32"
(84.33mm)		 -0.34"
(-8.64mm)		 63rd Driest
Driest since:
 1935
66th Wettest
Wettest since:
 1923
May–Oct 1978
6-Month 		3.36"
(85.34mm)		 4.60"
(116.84mm)		 -1.24"
(-31.50mm)		 29th Driest
Driest since:
 1928
100th Wettest
Wettest since:
 1998
Apr–Oct 1978
7-Month 		6.86"
(174.24mm)		 5.69"
(144.53mm)		 1.17"
(29.71mm)		 99th Driest
Driest since:
 1928
30th Wettest
Wettest since:
 1998
Ties: 1900
Mar–Oct 1978
8-Month 		8.20"
(208.28mm)		 6.91"
(175.51mm)		 1.29"
(32.77mm)		 97th Driest
Driest since:
 1924
32nd Wettest
Wettest since:
 1998
Ties: 1971
Feb–Oct 1978
9-Month 		9.95"
(252.73mm)		 8.21"
(208.53mm)		 1.74"
(44.20mm)		 102nd Driest
Driest since:
 1966
27th Wettest
Wettest since:
 1998
Jan–Oct 1978
10-Month 		12.63"
(320.80mm)		 9.79"
(248.67mm)		 2.84"
(72.13mm)		 116th Driest
Driest since:
 1966
13th Wettest
Wettest since:
 1998
Dec 1977–Oct 1978
11-Month 		15.05"
(382.27mm)		 11.26"
(286.00mm)		 3.79"
(96.27mm)		 116th Driest
Driest since:
 1966
12th Wettest
Wettest since:
 1998
Ties: 1995
Nov 1977–Oct 1978
12-Month 		17.09"
(434.09mm)		 12.56"
(319.02mm)		 4.53"
(115.07mm)		 119th Driest
Driest since:
 1924
9th Wettest
Wettest since:
 1998
May 1977–Oct 1978
18-Month 		22.21"
(564.13mm)		 17.16"
(435.86mm)		 5.05"
(128.27mm)		 121st Driest
Driest since:
 1929
7th Wettest
Wettest since:
 1983
Nov 1976–Oct 1978
24-Month 		24.62"
(625.35mm)		 25.12"
(638.05mm)		 -0.50"
(-12.70mm)		 60th Driest
Driest since:
 1934
67th Wettest
Wettest since:
 1983
Nov 1975–Oct 1978
36-Month 		36.26"
(921.00mm)		 37.70"
(957.58mm)		 -1.44"
(-36.58mm)		 54th Driest
Driest since:
 1931
72nd Wettest
Wettest since:
 1984
Nov 1974–Oct 1978
48-Month 		51.54"
(1,309.12mm)		 50.19"
(1,274.83mm)		 1.35"
(34.29mm)		 79th Driest
Driest since:
 1931
46th Wettest
Wettest since:
 1984
Nov 1973–Oct 1978
60-Month 		63.85"
(1,621.79mm)		 62.67"
(1,591.82mm)		 1.18"
(29.97mm)		 79th Driest
Driest since:
 1935
45th Wettest
Wettest since:
 1984
Ties: 1959

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