Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley Climate Region

Precipitation Rankings, November 2009

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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
November 2009 1-Month	1.81" (45.97mm)	3.13" (79.50mm)	-1.32" (-33.53mm)	19th Driest	Driest since: 1999	1904
	1.81" (45.97mm)	3.13" (79.50mm)	-1.32" (-33.53mm)	110th Wettest	Wettest since: 2008	1985
	Ties: 1999
Oct–Nov 2009 2-Month	8.94" (227.08mm)	6.03" (153.16mm)	2.91" (73.92mm)	121st Driest	Driest since: 2008	1904
Oct–Nov 2009 2-Month	8.94" (227.08mm)	6.03" (153.16mm)	2.91" (73.92mm)	8th Wettest	Wettest since: 2004	1919
Sep–Nov 2009 3-Month	12.82" (325.63mm)	9.50" (241.30mm)	3.32" (84.33mm)	114th Driest	Driest since: 2008	1953
Sep–Nov 2009 3-Month	12.82" (325.63mm)	9.50" (241.30mm)	3.32" (84.33mm)	15th Wettest	Wettest since: 1993	1926
Aug–Nov 2009 4-Month	16.77" (425.96mm)	13.17" (334.52mm)	3.60" (91.44mm)	117th Driest	Driest since: 2008	1953
Aug–Nov 2009 4-Month	16.77" (425.96mm)	13.17" (334.52mm)	3.60" (91.44mm)	12th Wettest	Wettest since: 2004	1926
Jul–Nov 2009 5-Month	21.88" (555.75mm)	17.16" (435.86mm)	4.72" (119.89mm)	122nd Driest	Driest since: 2008	1953
Jul–Nov 2009 5-Month	21.88" (555.75mm)	17.16" (435.86mm)	4.72" (119.89mm)	7th Wettest	Wettest since: 1993	1926
Jun–Nov 2009 6-Month	26.77" (679.96mm)	21.42" (544.07mm)	5.35" (135.89mm)	121st Driest	Driest since: 2008	1953
Jun–Nov 2009 6-Month	26.77" (679.96mm)	21.42" (544.07mm)	5.35" (135.89mm)	8th Wettest	Wettest since: 1993	1926
May–Nov 2009 7-Month	32.81" (833.37mm)	25.68" (652.27mm)	7.13" (181.10mm)	126th Driest	Driest since: 2008	1953
May–Nov 2009 7-Month	32.81" (833.37mm)	25.68" (652.27mm)	7.13" (181.10mm)	3rd Wettest	Wettest since: 2003	1915
Apr–Nov 2009 8-Month	37.82" (960.63mm)	29.60" (751.84mm)	8.22" (208.79mm)	127th Driest	Driest since: 2008	1930
Apr–Nov 2009 8-Month	37.82" (960.63mm)	29.60" (751.84mm)	8.22" (208.79mm)	2nd Wettest	Wettest to Date	2011
Mar–Nov 2009 9-Month	41.40" (1,051.56mm)	33.41" (848.61mm)	7.99" (202.95mm)	125th Driest	Driest since: 2008	1930
Mar–Nov 2009 9-Month	41.40" (1,051.56mm)	33.41" (848.61mm)	7.99" (202.95mm)	4th Wettest	Wettest since: 1973	2011
Feb–Nov 2009 10-Month	43.66" (1,108.96mm)	36.08" (916.43mm)	7.58" (192.53mm)	122nd Driest	Driest since: 2008	1930
Feb–Nov 2009 10-Month	43.66" (1,108.96mm)	36.08" (916.43mm)	7.58" (192.53mm)	7th Wettest	Wettest since: 1973	2011
Jan–Nov 2009 11-Month	46.13" (1,171.70mm)	39.12" (993.65mm)	7.01" (178.05mm)	118th Driest	Driest since: 2008	1930
Jan–Nov 2009 11-Month	46.13" (1,171.70mm)	39.12" (993.65mm)	7.01" (178.05mm)	11th Wettest	Wettest since: 1979	2019
Dec 2008–Nov 2009 12-Month	51.12" (1,298.45mm)	42.22" (1,072.39mm)	8.90" (226.06mm)	121st Driest	Driest since: 2008	1901
Dec 2008–Nov 2009 12-Month	51.12" (1,298.45mm)	42.22" (1,072.39mm)	8.90" (226.06mm)	7th Wettest	Wettest since: 1979	2019
Jun 2008–Nov 2009 18-Month	72.75" (1,847.85mm)	63.66" (1,616.96mm)	9.09" (230.89mm)	115th Driest	Driest since: 2008	1953
Jun 2008–Nov 2009 18-Month	72.75" (1,847.85mm)	63.66" (1,616.96mm)	9.09" (230.89mm)	13th Wettest	Wettest since: 2004	2019
Dec 2007–Nov 2009 24-Month	100.58" (2,554.73mm)	84.44" (2,144.78mm)	16.14" (409.95mm)	124th Driest	Driest since: 2008	1931
Dec 2007–Nov 2009 24-Month	100.58" (2,554.73mm)	84.44" (2,144.78mm)	16.14" (409.95mm)	3rd Wettest	Wettest to Date	2019
Dec 2006–Nov 2009 36-Month	138.97" (3,529.84mm)	126.67" (3,217.42mm)	12.30" (312.42mm)	108th Driest	Driest since: 2008	1954
Dec 2006–Nov 2009 36-Month	138.97" (3,529.84mm)	126.67" (3,217.42mm)	12.30" (312.42mm)	18th Wettest	Wettest since: 2004	2020
Dec 2005–Nov 2009 48-Month	182.06" (4,624.32mm)	168.94" (4,291.08mm)	13.12" (333.24mm)	103rd Driest	Driest since: 2008	1956
Dec 2005–Nov 2009 48-Month	182.06" (4,624.32mm)	168.94" (4,291.08mm)	13.12" (333.24mm)	22nd Wettest	Wettest since: 2004	2020
Dec 2004–Nov 2009 60-Month	221.86" (5,635.24mm)	211.17" (5,363.72mm)	10.69" (271.52mm)	89th Driest	Driest since: 2008	1956
Dec 2004–Nov 2009 60-Month	221.86" (5,635.24mm)	211.17" (5,363.72mm)	10.69" (271.52mm)	35th Wettest	Wettest since: 2006	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings