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 1957

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1957
1-Month 		0.19"
(4.83mm)		 0.58"
(14.73mm)		 -0.39"
(-9.90mm)		 33rd Driest
Driest since:
 1922, 1935, 1943, 1974, 1987
96th Wettest
Wettest since:
 1940
Aug–Sep 1957
2-Month 		0.30"
(7.62mm)		 0.96"
(24.38mm)		 -0.66"
(-16.76mm)		 16th Driest
Driest since:
 1935
113th Wettest
Wettest since:
 1976
Ties: 1905
Jul–Sep 1957
3-Month 		0.36"
(9.14mm)		 1.32"
(33.53mm)		 -0.96"
(-24.39mm)		 9th Driest
Driest since:
 2018
120th Wettest
Wettest since:
 1976
Ties: 1943
Jun–Sep 1957
4-Month 		0.99"
(25.15mm)		 2.43"
(61.72mm)		 -1.44"
(-36.57mm)		 8th Driest
Driest since:
 1935
121st Wettest
Wettest since:
 1913
May–Sep 1957
5-Month 		4.33"
(109.98mm)		 3.70"
(93.98mm)		 0.63"
(16.00mm)		 93rd Driest
Driest since:
 1928
36th Wettest
Wettest since:
 1998
Apr–Sep 1957
6-Month 		5.37"
(136.40mm)		 4.80"
(121.92mm)		 0.57"
(14.48mm)		 91st Driest
Driest since:
 1924
38th Wettest
Wettest since:
 1998
Mar–Sep 1957
7-Month 		7.67"
(194.82mm)		 6.01"
(152.65mm)		 1.66"
(42.17mm)		 106th Driest
Driest since:
 1924
23rd Wettest
Wettest since:
 1998
Feb–Sep 1957
8-Month 		9.30"
(236.22mm)		 7.32"
(185.93mm)		 1.98"
(50.29mm)		 107th Driest
Driest since:
 1924
22nd Wettest
Wettest since:
 1998
Jan–Sep 1957
9-Month 		10.49"
(266.45mm)		 8.89"
(225.81mm)		 1.60"
(40.64mm)		 103rd Driest
Driest since:
 1924
26th Wettest
Wettest since:
 1998
Dec 1956–Sep 1957
10-Month 		11.35"
(288.29mm)		 10.36"
(263.14mm)		 0.99"
(25.15mm)		 89th Driest
Driest since:
 1924
39th Wettest
Wettest since:
 1998
Ties: 1981
Nov 1956–Sep 1957
11-Month 		11.50"
(292.10mm)		 11.66"
(296.16mm)		 -0.16"
(-4.06mm)		 67th Driest
Driest since:
 1924
61st Wettest
Wettest since:
 1998
Oct 1956–Sep 1957
12-Month 		14.73"
(374.14mm)		 12.55"
(318.77mm)		 2.18"
(55.37mm)		 100th Driest
Driest since:
 1966
28th Wettest
Wettest since:
 1983
Apr 1956–Sep 1957
18-Month 		19.77"
(502.16mm)		 17.37"
(441.20mm)		 2.40"
(60.96mm)		 99th Driest
Driest since:
 1929
29th Wettest
Wettest since:
 1983
Ties: 1938
Oct 1955–Sep 1957
24-Month 		29.16"
(740.66mm)		 25.13"
(638.30mm)		 4.03"
(102.36mm)		 107th Driest
Driest since:
 1955
20th Wettest
Wettest since:
 1984
Ties: 1964
Oct 1954–Sep 1957
36-Month 		38.11"
(967.99mm)		 37.71"
(957.83mm)		 0.40"
(10.16mm)		 75th Driest
Driest since:
 1931
51st Wettest
Wettest since:
 1984
Oct 1953–Sep 1957
48-Month 		46.22"
(1,173.99mm)		 50.20"
(1,275.08mm)		 -3.98"
(-101.09mm)		 32nd Driest
Driest since:
 1934
93rd Wettest
Wettest since:
 1984
Ties: 1925
Oct 1952–Sep 1957
60-Month 		59.10"
(1,501.14mm)		 62.67"
(1,591.82mm)		 -3.57"
(-90.68mm)		 40th Driest
Driest since:
 1934
84th Wettest
Wettest since:
 1984

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