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, April 2020

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
April 2020
1-Month		0.64"
(16.26mm)		1.10"
(27.94mm)		-0.46"
(-11.68mm)		30th Driest
Driest since:
1961
100th Wettest
Wettest since:
1978
Ties: 1897
Mar–Apr 2020
2-Month		1.64"
(41.66mm)		2.31"
(58.67mm)		-0.67"
(-17.01mm)		32nd Driest
Driest since:
1898
98th Wettest
Wettest since:
1904
Feb–Apr 2020
3-Month		2.29"
(58.17mm)		3.62"
(91.95mm)		-1.33"
(-33.78mm)		20th Driest
Driest since:
1898
110th Wettest
Wettest since:
1904
Ties: 2009
Jan–Apr 2020
4-Month		4.56"
(115.82mm)		5.19"
(131.83mm)		-0.63"
(-16.01mm)		49th Driest
Driest since:
1908
81st Wettest
Wettest since:
1978
Dec 2019–Apr 2020
5-Month		6.14"
(155.96mm)		6.66"
(169.16mm)		-0.52"
(-13.20mm)		55th Driest
Driest since:
1977
74th Wettest
Wettest since:
1978
Nov 2019–Apr 2020
6-Month		6.62"
(168.15mm)		7.96"
(202.18mm)		-1.34"
(-34.03mm)		44th Driest
Driest since:
1977
85th Wettest
Wettest since:
1978
Oct 2019–Apr 2020
7-Month		7.08"
(179.83mm)		8.85"
(224.79mm)		-1.77"
(-44.96mm)		31st Driest
Driest since:
1977
98th Wettest
Wettest since:
1983
Ties: 1950
Sep 2019–Apr 2020
8-Month		8.39"
(213.11mm)		9.43"
(239.52mm)		-1.04"
(-26.41mm)		44th Driest
Driest since:
1977
85th Wettest
Wettest since:
1983
Aug 2019–Apr 2020
9-Month		8.74"
(222.00mm)		9.81"
(249.17mm)		-1.07"
(-27.17mm)		47th Driest
Driest since:
1977
82nd Wettest
Wettest since:
1978
Jul 2019–Apr 2020
10-Month		8.84"
(224.54mm)		10.17"
(258.32mm)		-1.33"
(-33.78mm)		40th Driest
Driest since:
2013
89th Wettest
Wettest since:
1983
Jun 2019–Apr 2020
11-Month		9.40"
(238.76mm)		11.29"
(286.77mm)		-1.89"
(-48.01mm)		36th Driest
Driest since:
2013
93rd Wettest
Wettest since:
1983
May 2019–Apr 2020
12-Month		12.46"
(316.48mm)		12.56"
(319.02mm)		-0.10"
(-2.54mm)		67th Driest
Driest since:
2013
62nd Wettest
Wettest since:
1983
Nov 2018–Apr 2020
18-Month		22.62"
(574.55mm)		20.52"
(521.21mm)		2.10"
(53.34mm)		98th Driest
Driest since:
1934
30th Wettest
Wettest since:
1983
May 2018–Apr 2020
24-Month		26.50"
(673.10mm)		25.15"
(638.81mm)		1.35"
(34.29mm)		85th Driest
Driest since:
1930
43rd Wettest
Wettest since:
1984
May 2017–Apr 2020
36-Month		36.68"
(931.67mm)		37.68"
(957.07mm)		-1.00"
(-25.40mm)		54th Driest
Driest since:
1931
73rd Wettest
Wettest since:
1984
May 2016–Apr 2020
48-Month		51.72"
(1,313.69mm)		50.16"
(1,274.06mm)		1.56"
(39.63mm)		84th Driest
Driest since:
1932
42nd Wettest
Wettest since:
1984
May 2015–Apr 2020
60-Month		65.84"
(1,672.34mm)		62.65"
(1,591.31mm)		3.19"
(81.03mm)		95th Driest
Driest since:
1933
30th Wettest
Wettest since:
1984

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