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 1939

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
September 1939
1-Month
0.64"
(16.26mm)
0.58"
(14.73mm)
0.06"
(1.53mm)
91st Driest
Driest since:
1922, 1935, 1943, 1974, 1987
38th Wettest
Wettest since:
1940
Ties: 1901, 1966
Aug–Sep 1939
2-Month
0.71"
(18.03mm)
0.96"
(24.38mm)
-0.25"
(-6.35mm)
53rd Driest
Driest since:
1935
76th Wettest
Wettest since:
1976
Jul–Sep 1939
3-Month
1.06"
(26.92mm)
1.32"
(33.53mm)
-0.26"
(-6.61mm)
59th Driest
Driest since:
2018
70th Wettest
Wettest since:
1976
Jun–Sep 1939
4-Month
1.48"
(37.59mm)
2.43"
(61.72mm)
-0.95"
(-24.13mm)
25th Driest
Driest since:
1935
104th Wettest
Wettest since:
1913
May–Sep 1939
5-Month
1.89"
(48.01mm)
3.70"
(93.98mm)
-1.81"
(-45.97mm)
9th Driest
Driest since:
1928
120th Wettest
Wettest since:
1998
Apr–Sep 1939
6-Month
2.11"
(53.59mm)
4.80"
(121.92mm)
-2.69"
(-68.33mm)
3rd Driest
Driest since:
1924
126th Wettest
Wettest since:
1998
Mar–Sep 1939
7-Month
3.11"
(78.99mm)
6.01"
(152.65mm)
-2.90"
(-73.66mm)
2nd Driest
Driest since:
1924
127th Wettest
Wettest since:
1998
Feb–Sep 1939
8-Month
4.10"
(104.14mm)
7.32"
(185.93mm)
-3.22"
(-81.79mm)
5th Driest
Driest since:
1924
124th Wettest
Wettest since:
1998
Jan–Sep 1939
9-Month
5.18"
(131.57mm)
8.89"
(225.81mm)
-3.71"
(-94.24mm)
4th Driest
Driest since:
1924
125th Wettest
Wettest since:
1998
Dec 1938–Sep 1939
10-Month
5.77"
(146.56mm)
10.36"
(263.14mm)
-4.59"
(-116.58mm)
3rd Driest
Driest since:
1924
125th Wettest
Wettest since:
1998
Nov 1938–Sep 1939
11-Month
7.10"
(180.34mm)
11.66"
(296.16mm)
-4.56"
(-115.82mm)
4th Driest
Driest since:
1924
124th Wettest
Wettest since:
1998
Oct 1938–Sep 1939
12-Month
8.55"
(217.17mm)
12.55"
(318.77mm)
-4.00"
(-101.60mm)
9th Driest
Driest since:
1966
119th Wettest
Wettest since:
1983
Apr 1938–Sep 1939
18-Month
13.51"
(343.15mm)
17.37"
(441.20mm)
-3.86"
(-98.05mm)
14th Driest
Driest since:
1929
114th Wettest
Wettest since:
1983
Oct 1937–Sep 1939
24-Month
24.33"
(617.98mm)
25.13"
(638.30mm)
-0.80"
(-20.32mm)
60th Driest
Driest since:
1955
67th Wettest
Wettest since:
1984
Oct 1936–Sep 1939
36-Month
33.24"
(844.30mm)
37.71"
(957.83mm)
-4.47"
(-113.53mm)
31st Driest
Driest since:
1931
95th Wettest
Wettest since:
1984
Oct 1935–Sep 1939
48-Month
45.47"
(1,154.94mm)
50.20"
(1,275.08mm)
-4.73"
(-120.14mm)
29th Driest
Driest since:
1934
96th Wettest
Wettest since:
1984
Oct 1934–Sep 1939
60-Month
56.42"
(1,433.07mm)
62.67"
(1,591.82mm)
-6.25"
(-158.75mm)
18th Driest
Driest since:
1934
106th Wettest
Wettest since:
1984

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