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, December 2020

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2020
1-Month
0.68"
(17.27mm)
1.47"
(37.34mm)
-0.79"
(-20.07mm)
19th Driest
Driest since:
1976
109th Wettest
Wettest since:
1983
Ties: 1923, 1960, 1978
Nov–Dec 2020
2-Month
2.01"
(51.05mm)
2.77"
(70.36mm)
-0.76"
(-19.31mm)
38th Driest
Driest since:
1976
90th Wettest
Wettest since:
1983
Ties: 1916
Oct–Dec 2020
3-Month
2.32"
(58.93mm)
3.66"
(92.96mm)
-1.34"
(-34.03mm)
22nd Driest
Driest since:
1976
106th Wettest
Wettest since:
1983
Ties: 1967
Sep–Dec 2020
4-Month
2.38"
(60.45mm)
4.24"
(107.70mm)
-1.86"
(-47.25mm)
10th Driest
Driest since:
1936
118th Wettest
Wettest since:
1981
Aug–Dec 2020
5-Month
2.55"
(64.77mm)
4.62"
(117.35mm)
-2.07"
(-52.58mm)
11th Driest
Driest since:
1936
117th Wettest
Wettest since:
1983
Jul–Dec 2020
6-Month
2.74"
(69.60mm)
4.98"
(126.49mm)
-2.24"
(-56.89mm)
9th Driest
Driest since:
1929
119th Wettest
Wettest since:
1983
Jun–Dec 2020
7-Month
4.92"
(124.97mm)
6.09"
(154.69mm)
-1.17"
(-29.72mm)
34th Driest
Driest since:
1935
94th Wettest
Wettest since:
1983
Ties: 1978
May–Dec 2020
8-Month
6.75"
(171.45mm)
7.36"
(186.94mm)
-0.61"
(-15.49mm)
55th Driest
Driest since:
1928
73rd Wettest
Wettest since:
1983
Apr–Dec 2020
9-Month
7.39"
(187.71mm)
8.46"
(214.88mm)
-1.07"
(-27.17mm)
39th Driest
Driest since:
1928
89th Wettest
Wettest since:
1983
Mar–Dec 2020
10-Month
8.39"
(213.11mm)
9.67"
(245.62mm)
-1.28"
(-32.51mm)
39th Driest
Driest since:
1999
89th Wettest
Wettest since:
1983
Feb–Dec 2020
11-Month
9.04"
(229.62mm)
10.98"
(278.89mm)
-1.94"
(-49.27mm)
30th Driest
Driest since:
1928
98th Wettest
Wettest since:
1983
Ties: 1969
Jan–Dec 2020
12-Month
11.31"
(287.27mm)
12.55"
(318.77mm)
-1.24"
(-31.50mm)
43rd Driest
Driest since:
1949
85th Wettest
Wettest since:
1983
Jul 2019–Dec 2020
18-Month
15.59"
(395.99mm)
17.53"
(445.26mm)
-1.94"
(-49.27mm)
38th Driest
Driest since:
1954
89th Wettest
Wettest since:
1983
Jan 2019–Dec 2020
24-Month
27.14"
(689.36mm)
25.09"
(637.29mm)
2.05"
(52.07mm)
94th Driest
Driest since:
1929
33rd Wettest
Wettest since:
1983
Jan 2018–Dec 2020
36-Month
37.35"
(948.69mm)
37.68"
(957.07mm)
-0.33"
(-8.38mm)
64th Driest
Driest since:
1930
62nd Wettest
Wettest since:
1983
Jan 2017–Dec 2020
48-Month
51.73"
(1,313.94mm)
50.15"
(1,273.81mm)
1.58"
(40.13mm)
85th Driest
Driest since:
1931
40th Wettest
Wettest since:
1984
Jan 2016–Dec 2020
60-Month
62.17"
(1,579.12mm)
62.65"
(1,591.31mm)
-0.48"
(-12.19mm)
69th Driest
Driest since:
1933
55th Wettest
Wettest since:
1984

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