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 1950

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1950 1-Month	4.05" (102.87mm)	3.47" (88.14mm)	0.58" (14.73mm)	95th Driest	Driest since: 1949	1897
	4.05" (102.87mm)	3.47" (88.14mm)	0.58" (14.73mm)	34th Wettest	Wettest since: 1945	1926
	Ties: 1905
Aug–Sep 1950 2-Month	8.62" (218.95mm)	7.14" (181.36mm)	1.48" (37.59mm)	107th Driest	Driest since: 1949	1897
Aug–Sep 1950 2-Month	8.62" (218.95mm)	7.14" (181.36mm)	1.48" (37.59mm)	22nd Wettest	Wettest since: 1945	1926
Jul–Sep 1950 3-Month	13.57" (344.68mm)	11.14" (282.96mm)	2.43" (61.72mm)	113th Driest	Driest since: 1949	1953
Jul–Sep 1950 3-Month	13.57" (344.68mm)	11.14" (282.96mm)	2.43" (61.72mm)	16th Wettest	Wettest since: 1926	1926
Jun–Sep 1950 4-Month	18.74" (476.00mm)	15.39" (390.91mm)	3.35" (85.09mm)	118th Driest	Driest since: 1949	1953
Jun–Sep 1950 4-Month	18.74" (476.00mm)	15.39" (390.91mm)	3.35" (85.09mm)	11th Wettest	Wettest since: 1928	1915
May–Sep 1950 5-Month	23.23" (590.04mm)	19.66" (499.36mm)	3.57" (90.68mm)	113th Driest	Driest since: 1949	1930
May–Sep 1950 5-Month	23.23" (590.04mm)	19.66" (499.36mm)	3.57" (90.68mm)	16th Wettest	Wettest since: 1945	1915
Apr–Sep 1950 6-Month	26.93" (684.02mm)	23.57" (598.68mm)	3.36" (85.34mm)	104th Driest	Driest since: 1949	1930
Apr–Sep 1950 6-Month	26.93" (684.02mm)	23.57" (598.68mm)	3.36" (85.34mm)	25th Wettest	Wettest since: 1945	2011
Mar–Sep 1950 7-Month	30.16" (766.06mm)	27.38" (695.45mm)	2.78" (70.61mm)	91st Driest	Driest since: 1949	1930
Mar–Sep 1950 7-Month	30.16" (766.06mm)	27.38" (695.45mm)	2.78" (70.61mm)	38th Wettest	Wettest since: 1945	1945
Feb–Sep 1950 8-Month	34.43" (874.52mm)	30.05" (763.27mm)	4.38" (111.25mm)	106th Driest	Driest since: 1949	1930
Feb–Sep 1950 8-Month	34.43" (874.52mm)	30.05" (763.27mm)	4.38" (111.25mm)	23rd Wettest	Wettest since: 1945	1945
Jan–Sep 1950 9-Month	42.95" (1,090.93mm)	33.10" (840.74mm)	9.85" (250.19mm)	128th Driest	Driest since: 1949	1930
Jan–Sep 1950 9-Month	42.95" (1,090.93mm)	33.10" (840.74mm)	9.85" (250.19mm)	1st Wettest	Wettest to Date	1950
Dec 1949–Sep 1950 10-Month	47.25" (1,200.15mm)	36.19" (919.23mm)	11.06" (280.92mm)	127th Driest	Driest since: 1949	1930
Dec 1949–Sep 1950 10-Month	47.25" (1,200.15mm)	36.19" (919.23mm)	11.06" (280.92mm)	1st Wettest	Wettest to Date	1950
Nov 1949–Sep 1950 11-Month	48.39" (1,229.11mm)	39.33" (998.98mm)	9.06" (230.13mm)	125th Driest	Driest since: 1949	1930
Nov 1949–Sep 1950 11-Month	48.39" (1,229.11mm)	39.33" (998.98mm)	9.06" (230.13mm)	3rd Wettest	Wettest to Date	2019
Oct 1949–Sep 1950 12-Month	53.08" (1,348.23mm)	42.25" (1,073.15mm)	10.83" (275.08mm)	126th Driest	Driest since: 1949	1925
Oct 1949–Sep 1950 12-Month	53.08" (1,348.23mm)	42.25" (1,073.15mm)	10.83" (275.08mm)	2nd Wettest	Wettest to Date	2019
Apr 1949–Sep 1950 18-Month	75.86" (1,926.84mm)	65.79" (1,671.07mm)	10.07" (255.77mm)	119th Driest	Driest since: 1949	1931
Apr 1949–Sep 1950 18-Month	75.86" (1,926.84mm)	65.79" (1,671.07mm)	10.07" (255.77mm)	9th Wettest	Wettest since: 1927	2019
Oct 1948–Sep 1950 24-Month	100.51" (2,552.95mm)	84.47" (2,145.54mm)	16.04" (407.41mm)	123rd Driest	Driest since: 1949	1941
Oct 1948–Sep 1950 24-Month	100.51" (2,552.95mm)	84.47" (2,145.54mm)	16.04" (407.41mm)	4th Wettest	Wettest to Date	2020
Oct 1947–Sep 1950 36-Month	141.22" (3,586.99mm)	126.72" (3,218.69mm)	14.50" (368.30mm)	114th Driest	Driest since: 1949	1941
Oct 1947–Sep 1950 36-Month	141.22" (3,586.99mm)	126.72" (3,218.69mm)	14.50" (368.30mm)	12th Wettest	Wettest since: 1929	2020
Oct 1946–Sep 1950 48-Month	184.01" (4,673.85mm)	168.99" (4,292.35mm)	15.02" (381.50mm)	109th Driest	Driest since: 1949	1956
Oct 1946–Sep 1950 48-Month	184.01" (4,673.85mm)	168.99" (4,292.35mm)	15.02" (381.50mm)	16th Wettest	Wettest since: 1929	2021
Oct 1945–Sep 1950 60-Month	224.59" (5,704.59mm)	211.21" (5,364.73mm)	13.38" (339.86mm)	99th Driest	Driest since: 1949	1956
Oct 1945–Sep 1950 60-Month	224.59" (5,704.59mm)	211.21" (5,364.73mm)	13.38" (339.86mm)	25th 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 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings