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 1977

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1977
1-Month
0.20"
(5.08mm)
0.89"
(22.61mm)
-0.69"
(-17.53mm)
16th Driest
Driest since:
1895, 1917, 1952, 1988
113th Wettest
Wettest since:
1956
Sep–Oct 1977
2-Month
1.21"
(30.73mm)
1.47"
(37.34mm)
-0.26"
(-6.61mm)
56th Driest
Driest since:
1987
73rd Wettest
Wettest since:
1940
Aug–Oct 1977
3-Month
2.04"
(51.82mm)
1.85"
(46.99mm)
0.19"
(4.83mm)
83rd Driest
Driest since:
1929
46th Wettest
Wettest since:
1940
Ties: 1938
Jul–Oct 1977
4-Month
2.45"
(62.23mm)
2.21"
(56.13mm)
0.24"
(6.10mm)
85th Driest
Driest since:
1929
44th Wettest
Wettest since:
1940
Jun–Oct 1977
5-Month
3.21"
(81.53mm)
3.32"
(84.33mm)
-0.11"
(-2.80mm)
72nd Driest
Driest since:
1935
57th Wettest
Wettest since:
1923
May–Oct 1977
6-Month
5.12"
(130.05mm)
4.60"
(116.84mm)
0.52"
(13.21mm)
86th Driest
Driest since:
1928
43rd Wettest
Wettest since:
1998
Apr–Oct 1977
7-Month
5.31"
(134.87mm)
5.69"
(144.53mm)
-0.38"
(-9.66mm)
60th Driest
Driest since:
1928
69th Wettest
Wettest since:
1998
Mar–Oct 1977
8-Month
5.86"
(148.84mm)
6.91"
(175.51mm)
-1.05"
(-26.67mm)
42nd Driest
Driest since:
1924
87th Wettest
Wettest since:
1998
Ties: 1921, 2016
Feb–Oct 1977
9-Month
6.42"
(163.07mm)
8.21"
(208.53mm)
-1.79"
(-45.46mm)
27th Driest
Driest since:
1966
102nd Wettest
Wettest since:
1998
Jan–Oct 1977
10-Month
7.24"
(183.90mm)
9.79"
(248.67mm)
-2.55"
(-64.77mm)
20th Driest
Driest since:
1966
109th Wettest
Wettest since:
1998
Dec 1976–Oct 1977
11-Month
7.32"
(185.93mm)
11.26"
(286.00mm)
-3.94"
(-100.07mm)
7th Driest
Driest since:
1966
121st Wettest
Wettest since:
1998
Nov 1976–Oct 1977
12-Month
7.53"
(191.26mm)
12.56"
(319.02mm)
-5.03"
(-127.76mm)
3rd Driest
Driest since:
1924
125th Wettest
Wettest since:
1998
May 1976–Oct 1977
18-Month
12.94"
(328.68mm)
17.16"
(435.86mm)
-4.22"
(-107.18mm)
12th Driest
Driest since:
1929
116th Wettest
Wettest since:
1983
Ties: 1966
Nov 1975–Oct 1977
24-Month
19.17"
(486.92mm)
25.12"
(638.05mm)
-5.95"
(-151.13mm)
12th Driest
Driest since:
1934
115th Wettest
Wettest since:
1983
Nov 1974–Oct 1977
36-Month
34.45"
(875.03mm)
37.70"
(957.58mm)
-3.25"
(-82.55mm)
40th Driest
Driest since:
1931
86th Wettest
Wettest since:
1984
Nov 1973–Oct 1977
48-Month
46.76"
(1,187.70mm)
50.19"
(1,274.83mm)
-3.43"
(-87.13mm)
34th Driest
Driest since:
1931
91st Wettest
Wettest since:
1984
Nov 1972–Oct 1977
60-Month
57.62"
(1,463.55mm)
62.66"
(1,591.56mm)
-5.04"
(-128.01mm)
24th Driest
Driest since:
1935
100th Wettest
Wettest since:
1984

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