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 1999

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1999
1-Month
0.37"
(9.40mm)
0.89"
(22.61mm)
-0.52"
(-13.21mm)
31st Driest
Driest since:
1895, 1917, 1952, 1988
98th Wettest
Wettest since:
1956
Sep–Oct 1999
2-Month
0.38"
(9.65mm)
1.47"
(37.34mm)
-1.09"
(-27.69mm)
9th Driest
Driest since:
1987
120th Wettest
Wettest since:
1940
Aug–Oct 1999
3-Month
0.75"
(19.05mm)
1.85"
(46.99mm)
-1.10"
(-27.94mm)
12th Driest
Driest since:
1929
117th Wettest
Wettest since:
1940
Jul–Oct 1999
4-Month
0.78"
(19.81mm)
2.21"
(56.13mm)
-1.43"
(-36.32mm)
8th Driest
Driest since:
1929
121st Wettest
Wettest since:
1940
Jun–Oct 1999
5-Month
1.69"
(42.93mm)
3.32"
(84.33mm)
-1.63"
(-41.40mm)
9th Driest
Driest since:
1935
120th Wettest
Wettest since:
1923
Ties: 2002, 2012
May–Oct 1999
6-Month
2.43"
(61.72mm)
4.60"
(116.84mm)
-2.17"
(-55.12mm)
9th Driest
Driest since:
1928
120th Wettest
Wettest since:
1998
Apr–Oct 1999
7-Month
3.03"
(76.96mm)
5.69"
(144.53mm)
-2.66"
(-67.57mm)
6th Driest
Driest since:
1928
123rd Wettest
Wettest since:
1998
Mar–Oct 1999
8-Month
3.67"
(93.22mm)
6.91"
(175.51mm)
-3.24"
(-82.29mm)
3rd Driest
Driest since:
1924
126th Wettest
Wettest since:
1998
Feb–Oct 1999
9-Month
6.05"
(153.67mm)
8.21"
(208.53mm)
-2.16"
(-54.86mm)
18th Driest
Driest since:
1966
111th Wettest
Wettest since:
1998
Jan–Oct 1999
10-Month
8.10"
(205.74mm)
9.79"
(248.67mm)
-1.69"
(-42.93mm)
39th Driest
Driest since:
1966
90th Wettest
Wettest since:
1998
Dec 1998–Oct 1999
11-Month
9.42"
(239.27mm)
11.26"
(286.00mm)
-1.84"
(-46.73mm)
35th Driest
Driest since:
1966
93rd Wettest
Wettest since:
1998
Nov 1998–Oct 1999
12-Month
11.20"
(284.48mm)
12.56"
(319.02mm)
-1.36"
(-34.54mm)
45th Driest
Driest since:
1924
83rd Wettest
Wettest since:
1998
May 1998–Oct 1999
18-Month
20.28"
(515.11mm)
17.16"
(435.86mm)
3.12"
(79.25mm)
111th Driest
Driest since:
1929
17th Wettest
Wettest since:
1983
Ties: 1913
Nov 1997–Oct 1999
24-Month
30.08"
(764.03mm)
25.12"
(638.05mm)
4.96"
(125.98mm)
112th Driest
Driest since:
1934
15th Wettest
Wettest since:
1983
Nov 1996–Oct 1999
36-Month
45.12"
(1,146.05mm)
37.70"
(957.58mm)
7.42"
(188.47mm)
118th Driest
Driest since:
1931
8th Wettest
Wettest since:
1984
Nov 1995–Oct 1999
48-Month
60.49"
(1,536.45mm)
50.19"
(1,274.83mm)
10.30"
(261.62mm)
118th Driest
Driest since:
1931
7th Wettest
Wettest since:
1984
Nov 1994–Oct 1999
60-Month
77.60"
(1,971.04mm)
62.66"
(1,591.56mm)
14.94"
(379.48mm)
119th Driest
Driest since:
1935
5th Wettest
Wettest since:
1984

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