Statewide 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

Precipitation Rankings, October 1987

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1987 1-Month	0.11" (2.79mm)	2.44" (61.98mm)	-2.33" (-59.19mm)	3rd Driest	Driest since: 1917	1895
October 1987 1-Month	0.11" (2.79mm)	2.44" (61.98mm)	-2.33" (-59.19mm)	126th Wettest	Wettest since: 1986	1950
Sep–Oct 1987 2-Month	0.26" (6.60mm)	3.68" (93.47mm)	-3.42" (-86.87mm)	1st Driest	Driest since: 1987	1987
Sep–Oct 1987 2-Month	0.26" (6.60mm)	3.68" (93.47mm)	-3.42" (-86.87mm)	128th Wettest	Wettest since: 1986	1950
Aug–Oct 1987 3-Month	0.48" (12.19mm)	4.29" (108.97mm)	-3.81" (-96.78mm)	1st Driest	Driest since: 1987	1987
Aug–Oct 1987 3-Month	0.48" (12.19mm)	4.29" (108.97mm)	-3.81" (-96.78mm)	128th Wettest	Wettest since: 1986	1950
Jul–Oct 1987 4-Month	2.29" (58.17mm)	4.81" (122.17mm)	-2.52" (-64.00mm)	8th Driest	Driest since: 1952	1929
Jul–Oct 1987 4-Month	2.29" (58.17mm)	4.81" (122.17mm)	-2.52" (-64.00mm)	121st Wettest	Wettest since: 1986	1950
Jun–Oct 1987 5-Month	3.29" (83.57mm)	6.35" (161.29mm)	-3.06" (-77.72mm)	5th Driest	Driest since: 1974	1917
Jun–Oct 1987 5-Month	3.29" (83.57mm)	6.35" (161.29mm)	-3.06" (-77.72mm)	124th Wettest	Wettest since: 1986	1947
May–Oct 1987 6-Month	5.20" (132.08mm)	8.43" (214.12mm)	-3.23" (-82.04mm)	9th Driest	Driest since: 1974	2002
May–Oct 1987 6-Month	5.20" (132.08mm)	8.43" (214.12mm)	-3.23" (-82.04mm)	120th Wettest	Wettest since: 1986	1947
Apr–Oct 1987 7-Month	6.60" (167.64mm)	10.82" (274.83mm)	-4.22" (-107.19mm)	2nd Driest	Driest since: 1987	2002
Apr–Oct 1987 7-Month	6.60" (167.64mm)	10.82" (274.83mm)	-4.22" (-107.19mm)	127th Wettest	Wettest since: 1986	1947
Mar–Oct 1987 8-Month	10.29" (261.37mm)	14.26" (362.20mm)	-3.97" (-100.83mm)	9th Driest	Driest since: 1949	2002
Mar–Oct 1987 8-Month	10.29" (261.37mm)	14.26" (362.20mm)	-3.97" (-100.83mm)	120th Wettest	Wettest since: 1986	1984
Feb–Oct 1987 9-Month	13.56" (344.42mm)	18.08" (459.23mm)	-4.52" (-114.81mm)	13th Driest	Driest since: 1973	1929
Feb–Oct 1987 9-Month	13.56" (344.42mm)	18.08" (459.23mm)	-4.52" (-114.81mm)	116th Wettest	Wettest since: 1986	1904
Jan–Oct 1987 10-Month	18.13" (460.50mm)	22.85" (580.39mm)	-4.72" (-119.89mm)	15th Driest	Driest since: 1985	1929
Jan–Oct 1987 10-Month	18.13" (460.50mm)	22.85" (580.39mm)	-4.72" (-119.89mm)	114th Wettest	Wettest since: 1986	1996
Dec 1986–Oct 1987 11-Month	20.19" (512.83mm)	27.69" (703.33mm)	-7.50" (-190.50mm)	7th Driest	Driest since: 1977	2001
Dec 1986–Oct 1987 11-Month	20.19" (512.83mm)	27.69" (703.33mm)	-7.50" (-190.50mm)	121st Wettest	Wettest since: 1986	1956
Nov 1986–Oct 1987 12-Month	25.03" (635.76mm)	32.24" (818.90mm)	-7.21" (-183.14mm)	11th Driest	Driest since: 1977	1977
Nov 1986–Oct 1987 12-Month	25.03" (635.76mm)	32.24" (818.90mm)	-7.21" (-183.14mm)	117th Wettest	Wettest since: 1986	1997
May 1986–Oct 1987 18-Month	33.55" (852.17mm)	40.71" (1,034.03mm)	-7.16" (-181.86mm)	14th Driest	Driest since: 1977	1929
May 1986–Oct 1987 18-Month	33.55" (852.17mm)	40.71" (1,034.03mm)	-7.16" (-181.86mm)	114th Wettest	Wettest since: 1986	1997
Nov 1985–Oct 1987 24-Month	57.21" (1,453.13mm)	64.50" (1,638.30mm)	-7.29" (-185.17mm)	20th Driest	Driest since: 1978	1930
Nov 1985–Oct 1987 24-Month	57.21" (1,453.13mm)	64.50" (1,638.30mm)	-7.29" (-185.17mm)	107th Wettest	Wettest since: 1986	1997
Nov 1984–Oct 1987 36-Month	86.26" (2,191.00mm)	96.73" (2,456.94mm)	-10.47" (-265.94mm)	17th Driest	Driest since: 1977	1931
Nov 1984–Oct 1987 36-Month	86.26" (2,191.00mm)	96.73" (2,456.94mm)	-10.47" (-265.94mm)	109th Wettest	Wettest since: 1986	1997
Nov 1983–Oct 1987 48-Month	127.07" (3,227.58mm)	128.90" (3,274.06mm)	-1.83" (-46.48mm)	55th Driest	Driest since: 1980	1931
Nov 1983–Oct 1987 48-Month	127.07" (3,227.58mm)	128.90" (3,274.06mm)	-1.83" (-46.48mm)	70th Wettest	Wettest since: 1986	1998
Nov 1982–Oct 1987 60-Month	167.33" (4,250.18mm)	160.99" (4,089.15mm)	6.34" (161.03mm)	93rd Driest	Driest since: 1981	1932
Nov 1982–Oct 1987 60-Month	167.33" (4,250.18mm)	160.99" (4,089.15mm)	6.34" (161.03mm)	31st Wettest	Wettest since: 1986	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings