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, October 1931

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1931 1-Month	2.90" (73.66mm)	2.90" (73.66mm)	0.00" (0.00mm)	72nd Driest	Driest since: 1930	1963
October 1931 1-Month	2.90" (73.66mm)	2.90" (73.66mm)	0.00" (0.00mm)	57th Wettest	Wettest since: 1929	1919
Sep–Oct 1931 2-Month	6.64" (168.66mm)	6.37" (161.80mm)	0.27" (6.86mm)	69th Driest	Driest since: 1930	1897
Sep–Oct 1931 2-Month	6.64" (168.66mm)	6.37" (161.80mm)	0.27" (6.86mm)	60th Wettest	Wettest since: 1929	1926
Aug–Oct 1931 3-Month	11.53" (292.86mm)	10.04" (255.02mm)	1.49" (37.84mm)	98th Driest	Driest since: 1930	1897
Aug–Oct 1931 3-Month	11.53" (292.86mm)	10.04" (255.02mm)	1.49" (37.84mm)	31st Wettest	Wettest since: 1926	1926
Jul–Oct 1931 4-Month	15.24" (387.10mm)	14.04" (356.62mm)	1.20" (30.48mm)	83rd Driest	Driest since: 1930	1953
Jul–Oct 1931 4-Month	15.24" (387.10mm)	14.04" (356.62mm)	1.20" (30.48mm)	46th Wettest	Wettest since: 1926	1926
Jun–Oct 1931 5-Month	18.17" (461.52mm)	18.29" (464.57mm)	-0.12" (-3.05mm)	56th Driest	Driest since: 1930	1953
Jun–Oct 1931 5-Month	18.17" (461.52mm)	18.29" (464.57mm)	-0.12" (-3.05mm)	73rd Wettest	Wettest since: 1929	1926
May–Oct 1931 6-Month	21.81" (553.97mm)	22.56" (573.02mm)	-0.75" (-19.05mm)	40th Driest	Driest since: 1930	1930
May–Oct 1931 6-Month	21.81" (553.97mm)	22.56" (573.02mm)	-0.75" (-19.05mm)	89th Wettest	Wettest since: 1929	2009
Apr–Oct 1931 7-Month	25.27" (641.86mm)	26.47" (672.34mm)	-1.20" (-30.48mm)	43rd Driest	Driest since: 1930	1930
	25.27" (641.86mm)	26.47" (672.34mm)	-1.20" (-30.48mm)	86th Wettest	Wettest since: 1929	2009
	Ties: 1925
Mar–Oct 1931 8-Month	28.45" (722.63mm)	30.28" (769.11mm)	-1.83" (-46.48mm)	35th Driest	Driest since: 1930	1930
Mar–Oct 1931 8-Month	28.45" (722.63mm)	30.28" (769.11mm)	-1.83" (-46.48mm)	94th Wettest	Wettest since: 1929	2009
Feb–Oct 1931 9-Month	30.89" (784.61mm)	32.95" (836.93mm)	-2.06" (-52.32mm)	34th Driest	Driest since: 1930	1930
Feb–Oct 1931 9-Month	30.89" (784.61mm)	32.95" (836.93mm)	-2.06" (-52.32mm)	95th Wettest	Wettest since: 1929	2019
Jan–Oct 1931 10-Month	31.91" (810.51mm)	36.00" (914.40mm)	-4.09" (-103.89mm)	17th Driest	Driest since: 1930	1930
Jan–Oct 1931 10-Month	31.91" (810.51mm)	36.00" (914.40mm)	-4.09" (-103.89mm)	112th Wettest	Wettest since: 1929	2019
Dec 1930–Oct 1931 11-Month	33.52" (851.41mm)	39.09" (992.89mm)	-5.57" (-141.48mm)	11th Driest	Driest since: 1930	1930
Dec 1930–Oct 1931 11-Month	33.52" (851.41mm)	39.09" (992.89mm)	-5.57" (-141.48mm)	117th Wettest	Wettest since: 1929	2019
Nov 1930–Oct 1931 12-Month	35.80" (909.32mm)	42.23" (1,072.64mm)	-6.43" (-163.32mm)	10th Driest	Driest since: 1930	1963
Nov 1930–Oct 1931 12-Month	35.80" (909.32mm)	42.23" (1,072.64mm)	-6.43" (-163.32mm)	118th Wettest	Wettest since: 1929	2019
May 1930–Oct 1931 18-Month	50.48" (1,282.19mm)	64.79" (1,645.67mm)	-14.31" (-363.48mm)	1st Driest	Driest since: 1931	1931
May 1930–Oct 1931 18-Month	50.48" (1,282.19mm)	64.79" (1,645.67mm)	-14.31" (-363.48mm)	127th Wettest	Wettest since: 1930	2019
Nov 1929–Oct 1931 24-Month	68.01" (1,727.45mm)	84.46" (2,145.28mm)	-16.45" (-417.83mm)	1st Driest	Driest since: 1931	1931
Nov 1929–Oct 1931 24-Month	68.01" (1,727.45mm)	84.46" (2,145.28mm)	-16.45" (-417.83mm)	126th Wettest	Wettest since: 1930	2020
Nov 1928–Oct 1931 36-Month	115.93" (2,944.62mm)	126.69" (3,217.93mm)	-10.76" (-273.31mm)	12th Driest	Driest since: 1902	1954
Nov 1928–Oct 1931 36-Month	115.93" (2,944.62mm)	126.69" (3,217.93mm)	-10.76" (-273.31mm)	114th Wettest	Wettest since: 1930	2020
Nov 1927–Oct 1931 48-Month	160.93" (4,087.62mm)	168.97" (4,291.84mm)	-8.04" (-204.22mm)	21st Driest	Driest since: 1904	1956
Nov 1927–Oct 1931 48-Month	160.93" (4,087.62mm)	168.97" (4,291.84mm)	-8.04" (-204.22mm)	104th Wettest	Wettest since: 1930	2021
Nov 1926–Oct 1931 60-Month	211.19" (5,364.23mm)	211.20" (5,364.48mm)	-0.01" (-0.25mm)	52nd Driest	Driest since: 1925	1956
Nov 1926–Oct 1931 60-Month	211.19" (5,364.23mm)	211.20" (5,364.48mm)	-0.01" (-0.25mm)	72nd Wettest	Wettest since: 1930	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