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 1956

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1956
1-Month
0.14"
(3.56mm)
0.58"
(14.73mm)
-0.44"
(-11.17mm)
24th Driest
Driest since:
1922, 1935, 1943, 1974, 1987
105th Wettest
Wettest since:
1940
Aug–Sep 1956
2-Month
0.37"
(9.40mm)
0.96"
(24.38mm)
-0.59"
(-14.98mm)
23rd Driest
Driest since:
1935
106th Wettest
Wettest since:
1976
Jul–Sep 1956
3-Month
0.69"
(17.53mm)
1.32"
(33.53mm)
-0.63"
(-16.00mm)
28th Driest
Driest since:
2018
101st Wettest
Wettest since:
1976
Ties: 1932
Jun–Sep 1956
4-Month
1.18"
(29.97mm)
2.43"
(61.72mm)
-1.25"
(-31.75mm)
15th Driest
Driest since:
1935
114th Wettest
Wettest since:
1913
May–Sep 1956
5-Month
3.86"
(98.04mm)
3.70"
(93.98mm)
0.16"
(4.06mm)
76th Driest
Driest since:
1928
53rd Wettest
Wettest since:
1998
Ties: 1985, 1997
Apr–Sep 1956
6-Month
5.04"
(128.02mm)
4.80"
(121.92mm)
0.24"
(6.10mm)
78th Driest
Driest since:
1924
51st Wettest
Wettest since:
1998
Mar–Sep 1956
7-Month
5.29"
(134.37mm)
6.01"
(152.65mm)
-0.72"
(-18.28mm)
52nd Driest
Driest since:
1924
77th Wettest
Wettest since:
1998
Ties: 1950
Feb–Sep 1956
8-Month
5.89"
(149.61mm)
7.32"
(185.93mm)
-1.43"
(-36.32mm)
36th Driest
Driest since:
1924
93rd Wettest
Wettest since:
1998
Ties: 2022
Jan–Sep 1956
9-Month
9.27"
(235.46mm)
8.89"
(225.81mm)
0.38"
(9.65mm)
76th Driest
Driest since:
1924
53rd Wettest
Wettest since:
1998
Ties: 1917
Dec 1955–Sep 1956
10-Month
12.55"
(318.77mm)
10.36"
(263.14mm)
2.19"
(55.63mm)
104th Driest
Driest since:
1924
24th Wettest
Wettest since:
1998
Ties: 1975
Nov 1955–Sep 1956
11-Month
13.96"
(354.58mm)
11.66"
(296.16mm)
2.30"
(58.42mm)
104th Driest
Driest since:
1924
24th Wettest
Wettest since:
1998
Oct 1955–Sep 1956
12-Month
14.43"
(366.52mm)
12.55"
(318.77mm)
1.88"
(47.75mm)
96th Driest
Driest since:
1966
32nd Wettest
Wettest since:
1983
Apr 1955–Sep 1956
18-Month
19.07"
(484.38mm)
17.37"
(441.20mm)
1.70"
(43.18mm)
92nd Driest
Driest since:
1929
36th Wettest
Wettest since:
1983
Oct 1954–Sep 1956
24-Month
23.38"
(593.85mm)
25.13"
(638.30mm)
-1.75"
(-44.45mm)
51st Driest
Driest since:
1955
76th Wettest
Wettest since:
1984
Oct 1953–Sep 1956
36-Month
31.49"
(799.85mm)
37.71"
(957.83mm)
-6.22"
(-157.98mm)
15th Driest
Driest since:
1931
111th Wettest
Wettest since:
1984
Oct 1952–Sep 1956
48-Month
44.37"
(1,127.00mm)
50.20"
(1,275.08mm)
-5.83"
(-148.08mm)
22nd Driest
Driest since:
1934
103rd Wettest
Wettest since:
1984
Oct 1951–Sep 1956
60-Month
59.16"
(1,502.66mm)
62.67"
(1,591.82mm)
-3.51"
(-89.16mm)
41st Driest
Driest since:
1934
83rd Wettest
Wettest since:
1984

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