Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1903

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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
September 1903 1-Month	2.34" (59.44mm)	3.47" (88.14mm)	-1.13" (-28.70mm)	22nd Driest	Driest since: 1899	1897
	2.34" (59.44mm)	3.47" (88.14mm)	-1.13" (-28.70mm)	107th Wettest	Wettest since: 1902	1926
	Ties: 1952, 1954
Aug–Sep 1903 2-Month	6.31" (160.27mm)	7.14" (181.36mm)	-0.83" (-21.09mm)	37th Driest	Driest since: 1899	1897
Aug–Sep 1903 2-Month	6.31" (160.27mm)	7.14" (181.36mm)	-0.83" (-21.09mm)	92nd Wettest	Wettest since: 1902	1926
Jul–Sep 1903 3-Month	10.05" (255.27mm)	11.14" (282.96mm)	-1.09" (-27.69mm)	35th Driest	Driest since: 1901	1953
	10.05" (255.27mm)	11.14" (282.96mm)	-1.09" (-27.69mm)	94th Wettest	Wettest since: 1902	1926
	Ties: 1918
Jun–Sep 1903 4-Month	13.77" (349.76mm)	15.39" (390.91mm)	-1.62" (-41.15mm)	33rd Driest	Driest since: 1901	1953
Jun–Sep 1903 4-Month	13.77" (349.76mm)	15.39" (390.91mm)	-1.62" (-41.15mm)	96th Wettest	Wettest since: 1902	1915
May–Sep 1903 5-Month	17.95" (455.93mm)	19.66" (499.36mm)	-1.71" (-43.43mm)	33rd Driest	Driest since: 1901	1930
May–Sep 1903 5-Month	17.95" (455.93mm)	19.66" (499.36mm)	-1.71" (-43.43mm)	96th Wettest	Wettest since: 1902	1915
Apr–Sep 1903 6-Month	22.15" (562.61mm)	23.57" (598.68mm)	-1.42" (-36.07mm)	37th Driest	Driest since: 1901	1930
Apr–Sep 1903 6-Month	22.15" (562.61mm)	23.57" (598.68mm)	-1.42" (-36.07mm)	92nd Wettest	Wettest since: 1902	2011
Mar–Sep 1903 7-Month	26.02" (660.91mm)	27.38" (695.45mm)	-1.36" (-34.54mm)	40th Driest	Driest since: 1901	1930
Mar–Sep 1903 7-Month	26.02" (660.91mm)	27.38" (695.45mm)	-1.36" (-34.54mm)	89th Wettest	Wettest since: 1902	1945
Feb–Sep 1903 8-Month	30.95" (786.13mm)	30.05" (763.27mm)	0.90" (22.86mm)	68th Driest	Driest since: 1902	1930
Feb–Sep 1903 8-Month	30.95" (786.13mm)	30.05" (763.27mm)	0.90" (22.86mm)	61st Wettest	Wettest since: 1898	1945
Jan–Sep 1903 9-Month	33.12" (841.25mm)	33.10" (840.74mm)	0.02" (0.51mm)	56th Driest	Driest since: 1901	1930
Jan–Sep 1903 9-Month	33.12" (841.25mm)	33.10" (840.74mm)	0.02" (0.51mm)	73rd Wettest	Wettest since: 1902	1950
Dec 1902–Sep 1903 10-Month	37.68" (957.07mm)	36.19" (919.23mm)	1.49" (37.84mm)	75th Driest	Driest since: 1902	1930
Dec 1902–Sep 1903 10-Month	37.68" (957.07mm)	36.19" (919.23mm)	1.49" (37.84mm)	53rd Wettest	Wettest since: 1898	1950
Nov 1902–Sep 1903 11-Month	41.33" (1,049.78mm)	39.33" (998.98mm)	2.00" (50.80mm)	81st Driest	Driest since: 1902	1930
	41.33" (1,049.78mm)	39.33" (998.98mm)	2.00" (50.80mm)	47th Wettest	Wettest since: 1898	2019
	Ties: 1923
Oct 1902–Sep 1903 12-Month	43.71" (1,110.23mm)	42.25" (1,073.15mm)	1.46" (37.08mm)	70th Driest	Driest since: 1902	1925
Oct 1902–Sep 1903 12-Month	43.71" (1,110.23mm)	42.25" (1,073.15mm)	1.46" (37.08mm)	58th Wettest	Wettest since: 1898	2019
Apr 1902–Sep 1903 18-Month	68.44" (1,738.38mm)	65.79" (1,671.07mm)	2.65" (67.31mm)	79th Driest	Driest since: 1902	1931
Apr 1902–Sep 1903 18-Month	68.44" (1,738.38mm)	65.79" (1,671.07mm)	2.65" (67.31mm)	49th Wettest	Wettest to Date	2019
Oct 1901–Sep 1903 24-Month	84.49" (2,146.05mm)	84.47" (2,145.54mm)	0.02" (0.51mm)	52nd Driest	Driest since: 1902	1941
Oct 1901–Sep 1903 24-Month	84.49" (2,146.05mm)	84.47" (2,145.54mm)	0.02" (0.51mm)	75th Wettest	Wettest since: 1899	2020
Oct 1900–Sep 1903 36-Month	119.69" (3,040.13mm)	126.72" (3,218.69mm)	-7.03" (-178.56mm)	19th Driest	Driest since: 1902	1941
Oct 1900–Sep 1903 36-Month	119.69" (3,040.13mm)	126.72" (3,218.69mm)	-7.03" (-178.56mm)	107th Wettest	Wettest since: 1900	2020
Oct 1899–Sep 1903 48-Month	158.69" (4,030.73mm)	168.99" (4,292.35mm)	-10.30" (-261.62mm)	12th Driest	Driest since: 1902	1956
Oct 1899–Sep 1903 48-Month	158.69" (4,030.73mm)	168.99" (4,292.35mm)	-10.30" (-261.62mm)	113th Wettest	Wettest since: 1901	2021
Oct 1898–Sep 1903 60-Month	199.40" (5,064.76mm)	211.21" (5,364.73mm)	-11.81" (-299.97mm)	14th Driest	Driest to Date	1956
Oct 1898–Sep 1903 60-Month	199.40" (5,064.76mm)	211.21" (5,364.73mm)	-11.81" (-299.97mm)	110th Wettest	Wettest since: 1902	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings