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 1956

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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
October 1956 1-Month	1.50" (38.10mm)	2.90" (73.66mm)	-1.40" (-35.56mm)	13th Driest	Driest since: 1953	1963
October 1956 1-Month	1.50" (38.10mm)	2.90" (73.66mm)	-1.40" (-35.56mm)	116th Wettest	Wettest since: 1955	1919
Sep–Oct 1956 2-Month	3.25" (82.55mm)	6.37" (161.80mm)	-3.12" (-79.25mm)	7th Driest	Driest since: 1953	1897
Sep–Oct 1956 2-Month	3.25" (82.55mm)	6.37" (161.80mm)	-3.12" (-79.25mm)	122nd Wettest	Wettest since: 1955	1926
Aug–Oct 1956 3-Month	6.75" (171.45mm)	10.04" (255.02mm)	-3.29" (-83.57mm)	7th Driest	Driest since: 1953	1897
Aug–Oct 1956 3-Month	6.75" (171.45mm)	10.04" (255.02mm)	-3.29" (-83.57mm)	122nd Wettest	Wettest since: 1955	1926
Jul–Oct 1956 4-Month	11.73" (297.94mm)	14.04" (356.62mm)	-2.31" (-58.68mm)	15th Driest	Driest since: 1953	1953
Jul–Oct 1956 4-Month	11.73" (297.94mm)	14.04" (356.62mm)	-2.31" (-58.68mm)	114th Wettest	Wettest since: 1955	1926
Jun–Oct 1956 5-Month	15.16" (385.06mm)	18.29" (464.57mm)	-3.13" (-79.51mm)	17th Driest	Driest since: 1953	1953
Jun–Oct 1956 5-Month	15.16" (385.06mm)	18.29" (464.57mm)	-3.13" (-79.51mm)	112th Wettest	Wettest since: 1955	1926
May–Oct 1956 6-Month	19.61" (498.09mm)	22.56" (573.02mm)	-2.95" (-74.93mm)	24th Driest	Driest since: 1953	1930
May–Oct 1956 6-Month	19.61" (498.09mm)	22.56" (573.02mm)	-2.95" (-74.93mm)	105th Wettest	Wettest since: 1955	2009
Apr–Oct 1956 7-Month	23.54" (597.92mm)	26.47" (672.34mm)	-2.93" (-74.42mm)	22nd Driest	Driest since: 1953	1930
Apr–Oct 1956 7-Month	23.54" (597.92mm)	26.47" (672.34mm)	-2.93" (-74.42mm)	107th Wettest	Wettest since: 1955	2009
Mar–Oct 1956 8-Month	26.45" (671.83mm)	30.28" (769.11mm)	-3.83" (-97.28mm)	18th Driest	Driest since: 1953	1930
Mar–Oct 1956 8-Month	26.45" (671.83mm)	30.28" (769.11mm)	-3.83" (-97.28mm)	111th Wettest	Wettest since: 1955	2009
Feb–Oct 1956 9-Month	31.68" (804.67mm)	32.95" (836.93mm)	-1.27" (-32.26mm)	41st Driest	Driest since: 1954	1930
Feb–Oct 1956 9-Month	31.68" (804.67mm)	32.95" (836.93mm)	-1.27" (-32.26mm)	88th Wettest	Wettest since: 1955	2019
Jan–Oct 1956 10-Month	33.79" (858.27mm)	36.00" (914.40mm)	-2.21" (-56.13mm)	29th Driest	Driest since: 1953	1930
Jan–Oct 1956 10-Month	33.79" (858.27mm)	36.00" (914.40mm)	-2.21" (-56.13mm)	100th Wettest	Wettest since: 1955	2019
Dec 1955–Oct 1956 11-Month	34.72" (881.89mm)	39.09" (992.89mm)	-4.37" (-111.00mm)	14th Driest	Driest since: 1953	1930
Dec 1955–Oct 1956 11-Month	34.72" (881.89mm)	39.09" (992.89mm)	-4.37" (-111.00mm)	114th Wettest	Wettest since: 1955	2019
Nov 1955–Oct 1956 12-Month	37.23" (945.64mm)	42.23" (1,072.64mm)	-5.00" (-127.00mm)	15th Driest	Driest since: 1953	1963
Nov 1955–Oct 1956 12-Month	37.23" (945.64mm)	42.23" (1,072.64mm)	-5.00" (-127.00mm)	113th Wettest	Wettest since: 1955	2019
May 1955–Oct 1956 18-Month	58.52" (1,486.41mm)	64.79" (1,645.67mm)	-6.27" (-159.26mm)	16th Driest	Driest since: 1954	1931
May 1955–Oct 1956 18-Month	58.52" (1,486.41mm)	64.79" (1,645.67mm)	-6.27" (-159.26mm)	112th Wettest	Wettest since: 1955	2019
Nov 1954–Oct 1956 24-Month	78.05" (1,982.47mm)	84.46" (2,145.28mm)	-6.41" (-162.81mm)	14th Driest	Driest since: 1954	1931
	78.05" (1,982.47mm)	84.46" (2,145.28mm)	-6.41" (-162.81mm)	113th Wettest	Wettest since: 1955	2020
	Ties: 1967
Nov 1953–Oct 1956 36-Month	115.30" (2,928.62mm)	126.69" (3,217.93mm)	-11.39" (-289.31mm)	11th Driest	Driest since: 1955	1954
Nov 1953–Oct 1956 36-Month	115.30" (2,928.62mm)	126.69" (3,217.93mm)	-11.39" (-289.31mm)	115th Wettest	Wettest since: 1953	2020
Nov 1952–Oct 1956 48-Month	149.52" (3,797.81mm)	168.97" (4,291.84mm)	-19.45" (-494.03mm)	1st Driest	Driest since: 1956	1956
Nov 1952–Oct 1956 48-Month	149.52" (3,797.81mm)	168.97" (4,291.84mm)	-19.45" (-494.03mm)	124th Wettest	Wettest since: 1955	2021
Nov 1951–Oct 1956 60-Month	190.08" (4,828.03mm)	211.20" (5,364.48mm)	-21.12" (-536.45mm)	1st Driest	Driest since: 1956	1956
Nov 1951–Oct 1956 60-Month	190.08" (4,828.03mm)	211.20" (5,364.48mm)	-21.12" (-536.45mm)	123rd Wettest	Wettest since: 1955	2020

Citing This Page

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