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, August 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
August 1956 1-Month	3.50" (88.90mm)	3.67" (93.22mm)	-0.17" (-4.32mm)	57th Driest	Driest since: 1955	1953
	3.50" (88.90mm)	3.67" (93.22mm)	-0.17" (-4.32mm)	72nd Wettest	Wettest since: 1954	1915
	Ties: 1972
Jul–Aug 1956 2-Month	8.48" (215.39mm)	7.67" (194.82mm)	0.81" (20.57mm)	92nd Driest	Driest since: 1955	1930
Jul–Aug 1956 2-Month	8.48" (215.39mm)	7.67" (194.82mm)	0.81" (20.57mm)	37th Wettest	Wettest since: 1950	1915
Jun–Aug 1956 3-Month	11.91" (302.51mm)	11.92" (302.77mm)	-0.01" (-0.26mm)	55th Driest	Driest since: 1955	1930
Jun–Aug 1956 3-Month	11.91" (302.51mm)	11.92" (302.77mm)	-0.01" (-0.26mm)	74th Wettest	Wettest since: 1951	1958
May–Aug 1956 4-Month	16.36" (415.54mm)	16.19" (411.23mm)	0.17" (4.31mm)	59th Driest	Driest since: 1955	1936
May–Aug 1956 4-Month	16.36" (415.54mm)	16.19" (411.23mm)	0.17" (4.31mm)	70th Wettest	Wettest since: 1951	1915
Apr–Aug 1956 5-Month	20.29" (515.37mm)	20.10" (510.54mm)	0.19" (4.83mm)	60th Driest	Driest since: 1955	1930
Apr–Aug 1956 5-Month	20.29" (515.37mm)	20.10" (510.54mm)	0.19" (4.83mm)	69th Wettest	Wettest since: 1951	2015
Mar–Aug 1956 6-Month	23.20" (589.28mm)	23.91" (607.31mm)	-0.71" (-18.03mm)	43rd Driest	Driest since: 1955	1930
Mar–Aug 1956 6-Month	23.20" (589.28mm)	23.91" (607.31mm)	-0.71" (-18.03mm)	86th Wettest	Wettest since: 1951	2015
Feb–Aug 1956 7-Month	28.43" (722.12mm)	26.58" (675.13mm)	1.85" (46.99mm)	82nd Driest	Driest since: 1955	1930
Feb–Aug 1956 7-Month	28.43" (722.12mm)	26.58" (675.13mm)	1.85" (46.99mm)	47th Wettest	Wettest since: 1951	2019
Jan–Aug 1956 8-Month	30.54" (775.72mm)	29.63" (752.60mm)	0.91" (23.12mm)	70th Driest	Driest since: 1955	1936
Jan–Aug 1956 8-Month	30.54" (775.72mm)	29.63" (752.60mm)	0.91" (23.12mm)	59th Wettest	Wettest since: 1951	2019
Dec 1955–Aug 1956 9-Month	31.47" (799.34mm)	32.72" (831.09mm)	-1.25" (-31.75mm)	37th Driest	Driest since: 1954	1936
Dec 1955–Aug 1956 9-Month	31.47" (799.34mm)	32.72" (831.09mm)	-1.25" (-31.75mm)	91st Wettest	Wettest since: 1955	2019
Nov 1955–Aug 1956 10-Month	33.98" (863.09mm)	35.86" (910.84mm)	-1.88" (-47.75mm)	33rd Driest	Driest since: 1954	1936
Nov 1955–Aug 1956 10-Month	33.98" (863.09mm)	35.86" (910.84mm)	-1.88" (-47.75mm)	95th Wettest	Wettest since: 1955	2019
Oct 1955–Aug 1956 11-Month	37.56" (954.02mm)	38.78" (985.01mm)	-1.22" (-30.99mm)	41st Driest	Driest since: 1954	1936
Oct 1955–Aug 1956 11-Month	37.56" (954.02mm)	38.78" (985.01mm)	-1.22" (-30.99mm)	87th Wettest	Wettest since: 1955	2019
Sep 1955–Aug 1956 12-Month	40.60" (1,031.24mm)	42.24" (1,072.90mm)	-1.64" (-41.66mm)	37th Driest	Driest since: 1954	1936
Sep 1955–Aug 1956 12-Month	40.60" (1,031.24mm)	42.24" (1,072.90mm)	-1.64" (-41.66mm)	91st Wettest	Wettest since: 1955	2019
Mar 1955–Aug 1956 18-Month	63.66" (1,616.96mm)	66.13" (1,679.70mm)	-2.47" (-62.74mm)	36th Driest	Driest since: 1955	1931
	63.66" (1,616.96mm)	66.13" (1,679.70mm)	-2.47" (-62.74mm)	92nd Wettest	Wettest since: 1952	2019
	Ties: 1944
Sep 1954–Aug 1956 24-Month	81.95" (2,081.53mm)	84.47" (2,145.54mm)	-2.52" (-64.01mm)	41st Driest	Driest since: 1955	1941
Sep 1954–Aug 1956 24-Month	81.95" (2,081.53mm)	84.47" (2,145.54mm)	-2.52" (-64.01mm)	86th Wettest	Wettest since: 1952	2020
Sep 1953–Aug 1956 36-Month	114.81" (2,916.17mm)	126.74" (3,219.20mm)	-11.93" (-303.03mm)	10th Driest	Driest since: 1955	1941
Sep 1953–Aug 1956 36-Month	114.81" (2,916.17mm)	126.74" (3,219.20mm)	-11.93" (-303.03mm)	116th Wettest	Wettest since: 1953	2020
Sep 1952–Aug 1956 48-Month	149.55" (3,798.57mm)	168.98" (4,292.09mm)	-19.43" (-493.52mm)	1st Driest	Driest since: 1956	1956
Sep 1952–Aug 1956 48-Month	149.55" (3,798.57mm)	168.98" (4,292.09mm)	-19.43" (-493.52mm)	124th Wettest	Wettest since: 1955	2022
Sep 1951–Aug 1956 60-Month	193.49" (4,914.65mm)	211.20" (5,364.48mm)	-17.71" (-449.83mm)	5th Driest	Driest since: 1944	1934
Sep 1951–Aug 1956 60-Month	193.49" (4,914.65mm)	211.20" (5,364.48mm)	-17.71" (-449.83mm)	119th 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 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings