Divisional Rankings

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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 1988

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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 1988 1-Month	0.34" (8.64mm)	0.58" (14.73mm)	-0.24" (-6.09mm)	51st Driest	Driest since: 1987	1922, 1935, 1943, 1974, 1987
	0.34" (8.64mm)	0.58" (14.73mm)	-0.24" (-6.09mm)	78th Wettest	Wettest since: 1986	1940
	Ties: 1936
Aug–Sep 1988 2-Month	0.53" (13.46mm)	0.96" (24.38mm)	-0.43" (-10.92mm)	36th Driest	Driest since: 1987	1935
	0.53" (13.46mm)	0.96" (24.38mm)	-0.43" (-10.92mm)	93rd Wettest	Wettest since: 1986	1976
	Ties: 1924, 1981, 1995
Jul–Sep 1988 3-Month	0.64" (16.26mm)	1.32" (33.53mm)	-0.68" (-17.27mm)	24th Driest	Driest since: 1969	2018
Jul–Sep 1988 3-Month	0.64" (16.26mm)	1.32" (33.53mm)	-0.68" (-17.27mm)	105th Wettest	Wettest since: 1987	1976
Jun–Sep 1988 4-Month	1.61" (40.89mm)	2.43" (61.72mm)	-0.82" (-20.83mm)	40th Driest	Driest since: 1974	1935
Jun–Sep 1988 4-Month	1.61" (40.89mm)	2.43" (61.72mm)	-0.82" (-20.83mm)	89th Wettest	Wettest since: 1987	1913
May–Sep 1988 5-Month	2.26" (57.40mm)	3.70" (93.98mm)	-1.44" (-36.58mm)	18th Driest	Driest since: 1974	1928
May–Sep 1988 5-Month	2.26" (57.40mm)	3.70" (93.98mm)	-1.44" (-36.58mm)	111th Wettest	Wettest since: 1987	1998
Apr–Sep 1988 6-Month	3.36" (85.34mm)	4.80" (121.92mm)	-1.44" (-36.58mm)	20th Driest	Driest since: 1974	1924
Apr–Sep 1988 6-Month	3.36" (85.34mm)	4.80" (121.92mm)	-1.44" (-36.58mm)	109th Wettest	Wettest since: 1987	1998
Mar–Sep 1988 7-Month	4.18" (106.17mm)	6.01" (152.65mm)	-1.83" (-46.48mm)	20th Driest	Driest since: 1969	1924
Mar–Sep 1988 7-Month	4.18" (106.17mm)	6.01" (152.65mm)	-1.83" (-46.48mm)	109th Wettest	Wettest since: 1987	1998
Feb–Sep 1988 8-Month	4.41" (112.01mm)	7.32" (185.93mm)	-2.91" (-73.92mm)	8th Driest	Driest since: 1966	1924
Feb–Sep 1988 8-Month	4.41" (112.01mm)	7.32" (185.93mm)	-2.91" (-73.92mm)	121st Wettest	Wettest since: 1987	1998
Jan–Sep 1988 9-Month	5.98" (151.89mm)	8.89" (225.81mm)	-2.91" (-73.92mm)	12th Driest	Driest since: 1966	1924
Jan–Sep 1988 9-Month	5.98" (151.89mm)	8.89" (225.81mm)	-2.91" (-73.92mm)	117th Wettest	Wettest since: 1987	1998
Dec 1987–Sep 1988 10-Month	7.36" (186.94mm)	10.36" (263.14mm)	-3.00" (-76.20mm)	14th Driest	Driest since: 1977	1924
Dec 1987–Sep 1988 10-Month	7.36" (186.94mm)	10.36" (263.14mm)	-3.00" (-76.20mm)	114th Wettest	Wettest since: 1987	1998
Nov 1987–Sep 1988 11-Month	8.41" (213.61mm)	11.66" (296.16mm)	-3.25" (-82.55mm)	15th Driest	Driest since: 1977	1924
	8.41" (213.61mm)	11.66" (296.16mm)	-3.25" (-82.55mm)	113th Wettest	Wettest since: 1987	1998
	Ties: 1898
Oct 1987–Sep 1988 12-Month	8.59" (218.19mm)	12.55" (318.77mm)	-3.96" (-100.58mm)	10th Driest	Driest since: 1977	1966
Oct 1987–Sep 1988 12-Month	8.59" (218.19mm)	12.55" (318.77mm)	-3.96" (-100.58mm)	118th Wettest	Wettest since: 1987	1983
Apr 1987–Sep 1988 18-Month	13.43" (341.12mm)	17.37" (441.20mm)	-3.94" (-100.08mm)	9th Driest	Driest since: 1955	1929
Apr 1987–Sep 1988 18-Month	13.43" (341.12mm)	17.37" (441.20mm)	-3.94" (-100.08mm)	119th Wettest	Wettest since: 1987	1983
Oct 1986–Sep 1988 24-Month	18.73" (475.74mm)	25.13" (638.30mm)	-6.40" (-162.56mm)	5th Driest	Driest since: 1955	1955
Oct 1986–Sep 1988 24-Month	18.73" (475.74mm)	25.13" (638.30mm)	-6.40" (-162.56mm)	122nd Wettest	Wettest since: 1987	1984
Oct 1985–Sep 1988 36-Month	33.13" (841.50mm)	37.71" (957.83mm)	-4.58" (-116.33mm)	30th Driest	Driest since: 1968	1931
Oct 1985–Sep 1988 36-Month	33.13" (841.50mm)	37.71" (957.83mm)	-4.58" (-116.33mm)	96th Wettest	Wettest since: 1987	1984
Oct 1984–Sep 1988 48-Month	44.72" (1,135.89mm)	50.20" (1,275.08mm)	-5.48" (-139.19mm)	27th Driest	Driest since: 1969	1934
Oct 1984–Sep 1988 48-Month	44.72" (1,135.89mm)	50.20" (1,275.08mm)	-5.48" (-139.19mm)	98th Wettest	Wettest since: 1987	1984
Oct 1983–Sep 1988 60-Month	63.11" (1,602.99mm)	62.67" (1,591.82mm)	0.44" (11.17mm)	73rd Driest	Driest since: 1977	1934
Oct 1983–Sep 1988 60-Month	63.11" (1,602.99mm)	62.67" (1,591.82mm)	0.44" (11.17mm)	51st Wettest	Wettest since: 1987	1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings