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 1941

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1941 1-Month	3.25" (82.55mm)	3.47" (88.14mm)	-0.22" (-5.59mm)	59th Driest	Driest since: 1940	1897
September 1941 1-Month	3.25" (82.55mm)	3.47" (88.14mm)	-0.22" (-5.59mm)	70th Wettest	Wettest since: 1936	1926
Aug–Sep 1941 2-Month	6.55" (166.37mm)	7.14" (181.36mm)	-0.59" (-14.99mm)	48th Driest	Driest since: 1940	1897
Aug–Sep 1941 2-Month	6.55" (166.37mm)	7.14" (181.36mm)	-0.59" (-14.99mm)	81st Wettest	Wettest since: 1936	1926
Jul–Sep 1941 3-Month	10.79" (274.07mm)	11.14" (282.96mm)	-0.35" (-8.89mm)	51st Driest	Driest since: 1940	1953
	10.79" (274.07mm)	11.14" (282.96mm)	-0.35" (-8.89mm)	78th Wettest	Wettest since: 1938	1926
	Ties: 1909
Jun–Sep 1941 4-Month	15.45" (392.43mm)	15.39" (390.91mm)	0.06" (1.52mm)	65th Driest	Driest since: 1940	1953
Jun–Sep 1941 4-Month	15.45" (392.43mm)	15.39" (390.91mm)	0.06" (1.52mm)	64th Wettest	Wettest since: 1938	1915
May–Sep 1941 5-Month	17.61" (447.29mm)	19.66" (499.36mm)	-2.05" (-52.07mm)	29th Driest	Driest since: 1940	1930
May–Sep 1941 5-Month	17.61" (447.29mm)	19.66" (499.36mm)	-2.05" (-52.07mm)	100th Wettest	Wettest since: 1938	1915
Apr–Sep 1941 6-Month	20.89" (530.61mm)	23.57" (598.68mm)	-2.68" (-68.07mm)	24th Driest	Driest since: 1940	1930
Apr–Sep 1941 6-Month	20.89" (530.61mm)	23.57" (598.68mm)	-2.68" (-68.07mm)	105th Wettest	Wettest since: 1939	2011
Mar–Sep 1941 7-Month	22.30" (566.42mm)	27.38" (695.45mm)	-5.08" (-129.03mm)	7th Driest	Driest since: 1936	1930
Mar–Sep 1941 7-Month	22.30" (566.42mm)	27.38" (695.45mm)	-5.08" (-129.03mm)	122nd Wettest	Wettest since: 1940	1945
Feb–Sep 1941 8-Month	23.06" (585.72mm)	30.05" (763.27mm)	-6.99" (-177.55mm)	5th Driest	Driest since: 1936	1930
Feb–Sep 1941 8-Month	23.06" (585.72mm)	30.05" (763.27mm)	-6.99" (-177.55mm)	124th Wettest	Wettest since: 1940	1945
Jan–Sep 1941 9-Month	25.63" (651.00mm)	33.10" (840.74mm)	-7.47" (-189.74mm)	4th Driest	Driest since: 1936	1930
Jan–Sep 1941 9-Month	25.63" (651.00mm)	33.10" (840.74mm)	-7.47" (-189.74mm)	125th Wettest	Wettest since: 1940	1950
Dec 1940–Sep 1941 10-Month	28.30" (718.82mm)	36.19" (919.23mm)	-7.89" (-200.41mm)	4th Driest	Driest since: 1936	1930
Dec 1940–Sep 1941 10-Month	28.30" (718.82mm)	36.19" (919.23mm)	-7.89" (-200.41mm)	124th Wettest	Wettest since: 1940	1950
Nov 1940–Sep 1941 11-Month	31.69" (804.93mm)	39.33" (998.98mm)	-7.64" (-194.05mm)	5th Driest	Driest since: 1940	1930
Nov 1940–Sep 1941 11-Month	31.69" (804.93mm)	39.33" (998.98mm)	-7.64" (-194.05mm)	123rd Wettest	Wettest since: 1939	2019
Oct 1940–Sep 1941 12-Month	33.48" (850.39mm)	42.25" (1,073.15mm)	-8.77" (-222.76mm)	2nd Driest	Driest since: 1925	1925
Oct 1940–Sep 1941 12-Month	33.48" (850.39mm)	42.25" (1,073.15mm)	-8.77" (-222.76mm)	126th Wettest	Wettest since: 1940	2019
Apr 1940–Sep 1941 18-Month	53.78" (1,366.01mm)	65.79" (1,671.07mm)	-12.01" (-305.06mm)	4th Driest	Driest since: 1931	1931
Apr 1940–Sep 1941 18-Month	53.78" (1,366.01mm)	65.79" (1,671.07mm)	-12.01" (-305.06mm)	124th Wettest	Wettest since: 1940	2019
Oct 1939–Sep 1941 24-Month	67.14" (1,705.36mm)	84.47" (2,145.54mm)	-17.33" (-440.18mm)	1st Driest	Driest since: 1941	1941
Oct 1939–Sep 1941 24-Month	67.14" (1,705.36mm)	84.47" (2,145.54mm)	-17.33" (-440.18mm)	126th Wettest	Wettest since: 1940	2020
Oct 1938–Sep 1941 36-Month	108.93" (2,766.82mm)	126.72" (3,218.69mm)	-17.79" (-451.87mm)	1st Driest	Driest since: 1941	1941
Oct 1938–Sep 1941 36-Month	108.93" (2,766.82mm)	126.72" (3,218.69mm)	-17.79" (-451.87mm)	125th Wettest	Wettest since: 1940	2020
Oct 1937–Sep 1941 48-Month	153.91" (3,909.31mm)	168.99" (4,292.35mm)	-15.08" (-383.04mm)	5th Driest	Driest since: 1941	1956
Oct 1937–Sep 1941 48-Month	153.91" (3,909.31mm)	168.99" (4,292.35mm)	-15.08" (-383.04mm)	120th Wettest	Wettest since: 1940	2021
Oct 1936–Sep 1941 60-Month	199.62" (5,070.35mm)	211.21" (5,364.73mm)	-11.59" (-294.38mm)	16th Driest	Driest since: 1934	1956
Oct 1936–Sep 1941 60-Month	199.62" (5,070.35mm)	211.21" (5,364.73mm)	-11.59" (-294.38mm)	108th Wettest	Wettest since: 1940	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings