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 2017

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2017
1-Month
0.47"
(11.94mm)
0.58"
(14.73mm)
-0.11"
(-2.79mm)
70th Driest
Driest since:
1922, 1935, 1943, 1974, 1987
59th Wettest
Wettest since:
1940
Ties: 1950
Aug–Sep 2017
2-Month
0.72"
(18.29mm)
0.96"
(24.38mm)
-0.24"
(-6.09mm)
54th Driest
Driest since:
1935
75th Wettest
Wettest since:
1976
Ties: 2009
Jul–Sep 2017
3-Month
0.77"
(19.56mm)
1.32"
(33.53mm)
-0.55"
(-13.97mm)
33rd Driest
Driest since:
2018
96th Wettest
Wettest since:
1976
Ties: 1962
Jun–Sep 2017
4-Month
1.99"
(50.55mm)
2.43"
(61.72mm)
-0.44"
(-11.17mm)
55th Driest
Driest since:
1935
74th Wettest
Wettest since:
1913
Ties: 1990
May–Sep 2017
5-Month
2.97"
(75.44mm)
3.70"
(93.98mm)
-0.73"
(-18.54mm)
41st Driest
Driest since:
1928
88th Wettest
Wettest since:
1998
Apr–Sep 2017
6-Month
4.85"
(123.19mm)
4.80"
(121.92mm)
0.05"
(1.27mm)
69th Driest
Driest since:
1924
60th Wettest
Wettest since:
1998
Ties: 1979
Mar–Sep 2017
7-Month
6.81"
(172.97mm)
6.01"
(152.65mm)
0.80"
(20.32mm)
86th Driest
Driest since:
1924
43rd Wettest
Wettest since:
1998
Feb–Sep 2017
8-Month
8.44"
(214.38mm)
7.32"
(185.93mm)
1.12"
(28.45mm)
96th Driest
Driest since:
1924
33rd Wettest
Wettest since:
1998
Jan–Sep 2017
9-Month
11.27"
(286.26mm)
8.89"
(225.81mm)
2.38"
(60.45mm)
111th Driest
Driest since:
1924
18th Wettest
Wettest since:
1998
Dec 2016–Sep 2017
10-Month
13.71"
(348.23mm)
10.36"
(263.14mm)
3.35"
(85.09mm)
113th Driest
Driest since:
1924
15th Wettest
Wettest since:
1998
Nov 2016–Sep 2017
11-Month
14.12"
(358.65mm)
11.66"
(296.16mm)
2.46"
(62.49mm)
105th Driest
Driest since:
1924
23rd Wettest
Wettest since:
1998
Oct 2016–Sep 2017
12-Month
15.37"
(390.40mm)
12.55"
(318.77mm)
2.82"
(71.63mm)
107th Driest
Driest since:
1966
21st Wettest
Wettest since:
1983
Apr 2016–Sep 2017
18-Month
18.81"
(477.77mm)
17.37"
(441.20mm)
1.44"
(36.57mm)
87th Driest
Driest since:
1929
41st Wettest
Wettest since:
1983
Ties: 2020
Oct 2015–Sep 2017
24-Month
27.89"
(708.41mm)
25.13"
(638.30mm)
2.76"
(70.11mm)
100th Driest
Driest since:
1955
27th Wettest
Wettest since:
1984
Oct 2014–Sep 2017
36-Month
39.42"
(1,001.27mm)
37.71"
(957.83mm)
1.71"
(43.44mm)
84th Driest
Driest since:
1931
42nd Wettest
Wettest since:
1984
Oct 2013–Sep 2017
48-Month
48.90"
(1,242.06mm)
50.20"
(1,275.08mm)
-1.30"
(-33.02mm)
58th Driest
Driest since:
1934
67th Wettest
Wettest since:
1984
Ties: 1899
Oct 2012–Sep 2017
60-Month
58.83"
(1,494.28mm)
62.67"
(1,591.82mm)
-3.84"
(-97.54mm)
36th Driest
Driest since:
1934
88th Wettest
Wettest since:
1984

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