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 1921

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1921
1-Month
1.59"
(40.39mm)
1.47"
(37.34mm)
0.12"
(3.05mm)
78th Driest
Driest since:
1976
50th Wettest
Wettest since:
1983
Nov–Dec 1921
2-Month
2.57"
(65.28mm)
2.77"
(70.36mm)
-0.20"
(-5.08mm)
67th Driest
Driest since:
1976
61st Wettest
Wettest since:
1983
Ties: 1907, 1969
Oct–Dec 1921
3-Month
2.84"
(72.14mm)
3.66"
(92.96mm)
-0.82"
(-20.82mm)
36th Driest
Driest since:
1976
92nd Wettest
Wettest since:
1983
Sep–Dec 1921
4-Month
3.36"
(85.34mm)
4.24"
(107.70mm)
-0.88"
(-22.36mm)
36th Driest
Driest since:
1936
92nd Wettest
Wettest since:
1981
Aug–Dec 1921
5-Month
3.41"
(86.61mm)
4.62"
(117.35mm)
-1.21"
(-30.74mm)
28th Driest
Driest since:
1936
100th Wettest
Wettest since:
1983
Jul–Dec 1921
6-Month
3.42"
(86.87mm)
4.98"
(126.49mm)
-1.56"
(-39.62mm)
21st Driest
Driest since:
1929
107th Wettest
Wettest since:
1983
Jun–Dec 1921
7-Month
4.38"
(111.25mm)
6.09"
(154.69mm)
-1.71"
(-43.44mm)
21st Driest
Driest since:
1935
107th Wettest
Wettest since:
1983
Ties: 1939
May–Dec 1921
8-Month
7.10"
(180.34mm)
7.36"
(186.94mm)
-0.26"
(-6.60mm)
66th Driest
Driest since:
1928
62nd Wettest
Wettest since:
1983
Apr–Dec 1921
9-Month
7.53"
(191.26mm)
8.46"
(214.88mm)
-0.93"
(-23.62mm)
44th Driest
Driest since:
1928
84th Wettest
Wettest since:
1983
Mar–Dec 1921
10-Month
8.43"
(214.12mm)
9.67"
(245.62mm)
-1.24"
(-31.50mm)
40th Driest
Driest since:
1999
88th Wettest
Wettest since:
1983
Feb–Dec 1921
11-Month
10.02"
(254.51mm)
10.98"
(278.89mm)
-0.96"
(-24.38mm)
47th Driest
Driest since:
1928
81st Wettest
Wettest since:
1983
Jan–Dec 1921
12-Month
12.05"
(306.07mm)
12.55"
(318.77mm)
-0.50"
(-12.70mm)
61st Driest
Driest since:
1949
67th Wettest
Wettest since:
1983
Jul 1920–Dec 1921
18-Month
19.23"
(488.44mm)
17.53"
(445.26mm)
1.70"
(43.18mm)
88th Driest
Driest since:
1954
39th Wettest
Wettest since:
1983
Jan 1920–Dec 1921
24-Month
24.03"
(610.36mm)
25.09"
(637.29mm)
-1.06"
(-26.93mm)
54th Driest
Driest since:
1929
73rd Wettest
Wettest since:
1983
Ties: 2016
Jan 1919–Dec 1921
36-Month
35.06"
(890.52mm)
37.68"
(957.07mm)
-2.62"
(-66.55mm)
43rd Driest
Driest since:
1930
83rd Wettest
Wettest since:
1983
Jan 1918–Dec 1921
48-Month
46.98"
(1,193.29mm)
50.15"
(1,273.81mm)
-3.17"
(-80.52mm)
39th Driest
Driest since:
1931
86th Wettest
Wettest since:
1984
Ties: 1922
Jan 1917–Dec 1921
60-Month
58.71"
(1,491.23mm)
62.65"
(1,591.31mm)
-3.94"
(-100.08mm)
33rd Driest
Driest since:
1933
91st Wettest
Wettest since:
1984

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