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, September 1945

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1945 1-Month	6.43" (163.32mm)	3.47" (88.14mm)	2.96" (75.18mm)	126th Driest	Driest since: 1944	1897
September 1945 1-Month	6.43" (163.32mm)	3.47" (88.14mm)	2.96" (75.18mm)	3rd Wettest	Wettest since: 1926	1926
Aug–Sep 1945 2-Month	9.21" (233.93mm)	7.14" (181.36mm)	2.07" (52.57mm)	114th Driest	Driest since: 1944	1897
Aug–Sep 1945 2-Month	9.21" (233.93mm)	7.14" (181.36mm)	2.07" (52.57mm)	15th Wettest	Wettest since: 1934	1926
Jul–Sep 1945 3-Month	12.24" (310.90mm)	11.14" (282.96mm)	1.10" (27.94mm)	94th Driest	Driest since: 1944	1953
	12.24" (310.90mm)	11.14" (282.96mm)	1.10" (27.94mm)	35th Wettest	Wettest since: 1934	1926
	Ties: 2004
Jun–Sep 1945 4-Month	18.45" (468.63mm)	15.39" (390.91mm)	3.06" (77.72mm)	116th Driest	Driest since: 1944	1953
	18.45" (468.63mm)	15.39" (390.91mm)	3.06" (77.72mm)	13th Wettest	Wettest since: 1928	1915
	Ties: 1989
May–Sep 1945 5-Month	23.59" (599.19mm)	19.66" (499.36mm)	3.93" (99.83mm)	116th Driest	Driest since: 1944	1930
May–Sep 1945 5-Month	23.59" (599.19mm)	19.66" (499.36mm)	3.93" (99.83mm)	13th Wettest	Wettest since: 1915	1915
Apr–Sep 1945 6-Month	28.78" (731.01mm)	23.57" (598.68mm)	5.21" (132.33mm)	119th Driest	Driest since: 1944	1930
Apr–Sep 1945 6-Month	28.78" (731.01mm)	23.57" (598.68mm)	5.21" (132.33mm)	10th Wettest	Wettest since: 1915	2011
Mar–Sep 1945 7-Month	35.16" (893.06mm)	27.38" (695.45mm)	7.78" (197.61mm)	128th Driest	Driest since: 1944	1930
Mar–Sep 1945 7-Month	35.16" (893.06mm)	27.38" (695.45mm)	7.78" (197.61mm)	1st Wettest	Wettest to Date	1945
Feb–Sep 1945 8-Month	39.41" (1,001.01mm)	30.05" (763.27mm)	9.36" (237.74mm)	128th Driest	Driest since: 1944	1930
Feb–Sep 1945 8-Month	39.41" (1,001.01mm)	30.05" (763.27mm)	9.36" (237.74mm)	1st Wettest	Wettest to Date	1945
Jan–Sep 1945 9-Month	41.57" (1,055.88mm)	33.10" (840.74mm)	8.47" (215.14mm)	126th Driest	Driest since: 1944	1930
Jan–Sep 1945 9-Month	41.57" (1,055.88mm)	33.10" (840.74mm)	8.47" (215.14mm)	3rd Wettest	Wettest to Date	1950
Dec 1944–Sep 1945 10-Month	44.69" (1,135.13mm)	36.19" (919.23mm)	8.50" (215.90mm)	124th Driest	Driest since: 1944	1930
Dec 1944–Sep 1945 10-Month	44.69" (1,135.13mm)	36.19" (919.23mm)	8.50" (215.90mm)	4th Wettest	Wettest to Date	1950
Nov 1944–Sep 1945 11-Month	47.06" (1,195.32mm)	39.33" (998.98mm)	7.73" (196.34mm)	120th Driest	Driest since: 1944	1930
Nov 1944–Sep 1945 11-Month	47.06" (1,195.32mm)	39.33" (998.98mm)	7.73" (196.34mm)	8th Wettest	Wettest since: 1898	2019
Oct 1944–Sep 1945 12-Month	48.68" (1,236.47mm)	42.25" (1,073.15mm)	6.43" (163.32mm)	114th Driest	Driest since: 1944	1925
Oct 1944–Sep 1945 12-Month	48.68" (1,236.47mm)	42.25" (1,073.15mm)	6.43" (163.32mm)	14th Wettest	Wettest since: 1927	2019
Apr 1944–Sep 1945 18-Month	71.04" (1,804.42mm)	65.79" (1,671.07mm)	5.25" (133.35mm)	98th Driest	Driest since: 1944	1931
Apr 1944–Sep 1945 18-Month	71.04" (1,804.42mm)	65.79" (1,671.07mm)	5.25" (133.35mm)	30th Wettest	Wettest since: 1929	2019
Oct 1943–Sep 1945 24-Month	86.74" (2,203.20mm)	84.47" (2,145.54mm)	2.27" (57.66mm)	69th Driest	Driest since: 1944	1941
Oct 1943–Sep 1945 24-Month	86.74" (2,203.20mm)	84.47" (2,145.54mm)	2.27" (57.66mm)	58th Wettest	Wettest since: 1943	2020
Oct 1942–Sep 1945 36-Month	130.04" (3,303.02mm)	126.72" (3,218.69mm)	3.32" (84.33mm)	71st Driest	Driest since: 1944	1941
Oct 1942–Sep 1945 36-Month	130.04" (3,303.02mm)	126.72" (3,218.69mm)	3.32" (84.33mm)	55th Wettest	Wettest since: 1939	2020
Oct 1941–Sep 1945 48-Month	174.88" (4,441.95mm)	168.99" (4,292.35mm)	5.89" (149.60mm)	84th Driest	Driest since: 1944	1956
Oct 1941–Sep 1945 48-Month	174.88" (4,441.95mm)	168.99" (4,292.35mm)	5.89" (149.60mm)	41st Wettest	Wettest since: 1930	2021
Oct 1940–Sep 1945 60-Month	208.36" (5,292.34mm)	211.21" (5,364.73mm)	-2.85" (-72.39mm)	40th Driest	Driest since: 1944	1956
Oct 1940–Sep 1945 60-Month	208.36" (5,292.34mm)	211.21" (5,364.73mm)	-2.85" (-72.39mm)	84th Wettest	Wettest since: 1939	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