Regional Rankings

Parameter:

Year:

Month:

Region:

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, October 2009

View Period (Months):

All

Download:

Record Driest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 2009 1-Month	7.13" (181.10mm)	2.90" (73.66mm)	4.23" (107.44mm)	127th Driest	Driest since: 2008	1963
October 2009 1-Month	7.13" (181.10mm)	2.90" (73.66mm)	4.23" (107.44mm)	2nd Wettest	Wettest since: 1919	1919
Sep–Oct 2009 2-Month	11.01" (279.65mm)	6.37" (161.80mm)	4.64" (117.85mm)	127th Driest	Driest since: 2008	1897
Sep–Oct 2009 2-Month	11.01" (279.65mm)	6.37" (161.80mm)	4.64" (117.85mm)	2nd Wettest	Wettest since: 1926	1926
Aug–Oct 2009 3-Month	14.96" (379.98mm)	10.04" (255.02mm)	4.92" (124.96mm)	127th Driest	Driest since: 2008	1897
Aug–Oct 2009 3-Month	14.96" (379.98mm)	10.04" (255.02mm)	4.92" (124.96mm)	2nd Wettest	Wettest since: 1926	1926
Jul–Oct 2009 4-Month	20.07" (509.78mm)	14.04" (356.62mm)	6.03" (153.16mm)	127th Driest	Driest since: 2008	1953
Jul–Oct 2009 4-Month	20.07" (509.78mm)	14.04" (356.62mm)	6.03" (153.16mm)	2nd Wettest	Wettest since: 1926	1926
Jun–Oct 2009 5-Month	24.96" (633.98mm)	18.29" (464.57mm)	6.67" (169.41mm)	127th Driest	Driest since: 2008	1953
Jun–Oct 2009 5-Month	24.96" (633.98mm)	18.29" (464.57mm)	6.67" (169.41mm)	2nd Wettest	Wettest since: 1926	1926
May–Oct 2009 6-Month	31.00" (787.40mm)	22.56" (573.02mm)	8.44" (214.38mm)	128th Driest	Driest since: 2008	1930
May–Oct 2009 6-Month	31.00" (787.40mm)	22.56" (573.02mm)	8.44" (214.38mm)	1st Wettest	Wettest to Date	2009
Apr–Oct 2009 7-Month	36.01" (914.65mm)	26.47" (672.34mm)	9.54" (242.31mm)	128th Driest	Driest since: 2008	1930
Apr–Oct 2009 7-Month	36.01" (914.65mm)	26.47" (672.34mm)	9.54" (242.31mm)	1st Wettest	Wettest to Date	2009
Mar–Oct 2009 8-Month	39.59" (1,005.59mm)	30.28" (769.11mm)	9.31" (236.48mm)	128th Driest	Driest since: 2008	1930
Mar–Oct 2009 8-Month	39.59" (1,005.59mm)	30.28" (769.11mm)	9.31" (236.48mm)	1st Wettest	Wettest to Date	2009
Feb–Oct 2009 9-Month	41.85" (1,062.99mm)	32.95" (836.93mm)	8.90" (226.06mm)	126th Driest	Driest since: 2008	1930
Feb–Oct 2009 9-Month	41.85" (1,062.99mm)	32.95" (836.93mm)	8.90" (226.06mm)	3rd Wettest	Wettest to Date	2019
Jan–Oct 2009 10-Month	44.32" (1,125.73mm)	36.00" (914.40mm)	8.32" (211.33mm)	124th Driest	Driest since: 2008	1930
Jan–Oct 2009 10-Month	44.32" (1,125.73mm)	36.00" (914.40mm)	8.32" (211.33mm)	5th Wettest	Wettest since: 1950	2019
Dec 2008–Oct 2009 11-Month	49.31" (1,252.47mm)	39.09" (992.89mm)	10.22" (259.58mm)	126th Driest	Driest since: 2008	1930
Dec 2008–Oct 2009 11-Month	49.31" (1,252.47mm)	39.09" (992.89mm)	10.22" (259.58mm)	2nd Wettest	Wettest to Date	2019
Nov 2008–Oct 2009 12-Month	51.42" (1,306.07mm)	42.23" (1,072.64mm)	9.19" (233.43mm)	124th Driest	Driest since: 2008	1963
Nov 2008–Oct 2009 12-Month	51.42" (1,306.07mm)	42.23" (1,072.64mm)	9.19" (233.43mm)	4th Wettest	Wettest since: 1973	2019
May 2008–Oct 2009 18-Month	76.17" (1,934.72mm)	64.79" (1,645.67mm)	11.38" (289.05mm)	124th Driest	Driest since: 2008	1931
May 2008–Oct 2009 18-Month	76.17" (1,934.72mm)	64.79" (1,645.67mm)	11.38" (289.05mm)	4th Wettest	Wettest since: 1927	2019
Nov 2007–Oct 2009 24-Month	101.24" (2,571.50mm)	84.46" (2,145.28mm)	16.78" (426.22mm)	124th Driest	Driest since: 2008	1931
Nov 2007–Oct 2009 24-Month	101.24" (2,571.50mm)	84.46" (2,145.28mm)	16.78" (426.22mm)	3rd Wettest	Wettest to Date	2020
Nov 2006–Oct 2009 36-Month	140.39" (3,565.91mm)	126.69" (3,217.93mm)	13.70" (347.98mm)	115th Driest	Driest since: 2008	1954
Nov 2006–Oct 2009 36-Month	140.39" (3,565.91mm)	126.69" (3,217.93mm)	13.70" (347.98mm)	11th Wettest	Wettest since: 1975	2020
Nov 2005–Oct 2009 48-Month	183.70" (4,665.98mm)	168.97" (4,291.84mm)	14.73" (374.14mm)	109th Driest	Driest since: 2008	1956
Nov 2005–Oct 2009 48-Month	183.70" (4,665.98mm)	168.97" (4,291.84mm)	14.73" (374.14mm)	16th Wettest	Wettest since: 1996	2021
Nov 2004–Oct 2009 60-Month	225.19" (5,719.83mm)	211.20" (5,364.48mm)	13.99" (355.35mm)	100th Driest	Driest since: 2008	1956
Nov 2004–Oct 2009 60-Month	225.19" (5,719.83mm)	211.20" (5,364.48mm)	13.99" (355.35mm)	24th Wettest	Wettest since: 1998	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings