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 1930

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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 1930 1-Month	2.20" (55.88mm)	3.67" (93.22mm)	-1.47" (-37.34mm)	3rd Driest	Driest since: 1930	1953
August 1930 1-Month	2.20" (55.88mm)	3.67" (93.22mm)	-1.47" (-37.34mm)	126th Wettest	Wettest since: 1929	1915
Jul–Aug 1930 2-Month	3.66" (92.96mm)	7.67" (194.82mm)	-4.01" (-101.86mm)	1st Driest	Driest since: 1930	1930
Jul–Aug 1930 2-Month	3.66" (92.96mm)	7.67" (194.82mm)	-4.01" (-101.86mm)	128th Wettest	Wettest since: 1929	1915
Jun–Aug 1930 3-Month	6.36" (161.54mm)	11.92" (302.77mm)	-5.56" (-141.23mm)	1st Driest	Driest since: 1930	1930
Jun–Aug 1930 3-Month	6.36" (161.54mm)	11.92" (302.77mm)	-5.56" (-141.23mm)	128th Wettest	Wettest since: 1929	1958
May–Aug 1930 4-Month	9.26" (235.20mm)	16.19" (411.23mm)	-6.93" (-176.03mm)	2nd Driest	Driest since: 1930	1936
May–Aug 1930 4-Month	9.26" (235.20mm)	16.19" (411.23mm)	-6.93" (-176.03mm)	127th Wettest	Wettest since: 1929	1915
Apr–Aug 1930 5-Month	11.34" (288.04mm)	20.10" (510.54mm)	-8.76" (-222.50mm)	1st Driest	Driest since: 1930	1930
Apr–Aug 1930 5-Month	11.34" (288.04mm)	20.10" (510.54mm)	-8.76" (-222.50mm)	128th Wettest	Wettest since: 1929	2015
Mar–Aug 1930 6-Month	13.69" (347.73mm)	23.91" (607.31mm)	-10.22" (-259.58mm)	1st Driest	Driest since: 1930	1930
Mar–Aug 1930 6-Month	13.69" (347.73mm)	23.91" (607.31mm)	-10.22" (-259.58mm)	128th Wettest	Wettest since: 1929	2015
Feb–Aug 1930 7-Month	16.29" (413.77mm)	26.58" (675.13mm)	-10.29" (-261.36mm)	1st Driest	Driest since: 1930	1930
Feb–Aug 1930 7-Month	16.29" (413.77mm)	26.58" (675.13mm)	-10.29" (-261.36mm)	128th Wettest	Wettest since: 1929	2019
Jan–Aug 1930 8-Month	20.93" (531.62mm)	29.63" (752.60mm)	-8.70" (-220.98mm)	2nd Driest	Driest since: 1930	1936
Jan–Aug 1930 8-Month	20.93" (531.62mm)	29.63" (752.60mm)	-8.70" (-220.98mm)	127th Wettest	Wettest since: 1929	2019
Dec 1929–Aug 1930 9-Month	23.59" (599.19mm)	32.72" (831.09mm)	-9.13" (-231.90mm)	2nd Driest	Driest since: 1930	1936
Dec 1929–Aug 1930 9-Month	23.59" (599.19mm)	32.72" (831.09mm)	-9.13" (-231.90mm)	126th Wettest	Wettest since: 1929	2019
Nov 1929–Aug 1930 10-Month	26.79" (680.47mm)	35.86" (910.84mm)	-9.07" (-230.37mm)	3rd Driest	Driest since: 1930	1936
Nov 1929–Aug 1930 10-Month	26.79" (680.47mm)	35.86" (910.84mm)	-9.07" (-230.37mm)	125th Wettest	Wettest since: 1929	2019
Oct 1929–Aug 1930 11-Month	31.13" (790.70mm)	38.78" (985.01mm)	-7.65" (-194.31mm)	5th Driest	Driest since: 1925	1936
Oct 1929–Aug 1930 11-Month	31.13" (790.70mm)	38.78" (985.01mm)	-7.65" (-194.31mm)	123rd Wettest	Wettest since: 1929	2019
Sep 1929–Aug 1930 12-Month	34.50" (876.30mm)	42.24" (1,072.90mm)	-7.74" (-196.60mm)	9th Driest	Driest since: 1925	1936
Sep 1929–Aug 1930 12-Month	34.50" (876.30mm)	42.24" (1,072.90mm)	-7.74" (-196.60mm)	119th Wettest	Wettest since: 1929	2019
Mar 1929–Aug 1930 18-Month	61.97" (1,574.04mm)	66.13" (1,679.70mm)	-4.16" (-105.66mm)	27th Driest	Driest since: 1926	1931
Mar 1929–Aug 1930 18-Month	61.97" (1,574.04mm)	66.13" (1,679.70mm)	-4.16" (-105.66mm)	101st Wettest	Wettest since: 1929	2019
Sep 1928–Aug 1930 24-Month	80.39" (2,041.91mm)	84.47" (2,145.54mm)	-4.08" (-103.63mm)	32nd Driest	Driest since: 1926	1941
Sep 1928–Aug 1930 24-Month	80.39" (2,041.91mm)	84.47" (2,145.54mm)	-4.08" (-103.63mm)	95th Wettest	Wettest since: 1929	2020
Sep 1927–Aug 1930 36-Month	126.48" (3,212.59mm)	126.74" (3,219.20mm)	-0.26" (-6.61mm)	56th Driest	Driest since: 1926	1941
Sep 1927–Aug 1930 36-Month	126.48" (3,212.59mm)	126.74" (3,219.20mm)	-0.26" (-6.61mm)	70th Wettest	Wettest since: 1929	2020
Sep 1926–Aug 1930 48-Month	181.52" (4,610.61mm)	168.98" (4,292.09mm)	12.54" (318.52mm)	102nd Driest	Driest since: 1928	1956
Sep 1926–Aug 1930 48-Month	181.52" (4,610.61mm)	168.98" (4,292.09mm)	12.54" (318.52mm)	23rd Wettest	Wettest since: 1929	2022
Sep 1925–Aug 1930 60-Month	223.97" (5,688.84mm)	211.20" (5,364.48mm)	12.77" (324.36mm)	97th Driest	Driest since: 1929	1934
Sep 1925–Aug 1930 60-Month	223.97" (5,688.84mm)	211.20" (5,364.48mm)	12.77" (324.36mm)	27th Wettest	Wettest to Date	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