Regional Rankings

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Month:

Region:

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, October 1940

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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
October 1940 1-Month	1.79" (45.47mm)	2.90" (73.66mm)	-1.11" (-28.19mm)	22nd Driest	Driest since: 1938	1963
October 1940 1-Month	1.79" (45.47mm)	2.90" (73.66mm)	-1.11" (-28.19mm)	107th Wettest	Wettest since: 1939	1919
Sep–Oct 1940 2-Month	3.02" (76.71mm)	6.37" (161.80mm)	-3.35" (-85.09mm)	5th Driest	Driest since: 1908	1897
Sep–Oct 1940 2-Month	3.02" (76.71mm)	6.37" (161.80mm)	-3.35" (-85.09mm)	124th Wettest	Wettest since: 1939	1926
Aug–Oct 1940 3-Month	7.46" (189.48mm)	10.04" (255.02mm)	-2.58" (-65.54mm)	13th Driest	Driest since: 1939	1897
Aug–Oct 1940 3-Month	7.46" (189.48mm)	10.04" (255.02mm)	-2.58" (-65.54mm)	116th Wettest	Wettest since: 1937	1926
Jul–Oct 1940 4-Month	9.78" (248.41mm)	14.04" (356.62mm)	-4.26" (-108.21mm)	7th Driest	Driest since: 1930	1953
Jul–Oct 1940 4-Month	9.78" (248.41mm)	14.04" (356.62mm)	-4.26" (-108.21mm)	122nd Wettest	Wettest since: 1939	1926
Jun–Oct 1940 5-Month	13.91" (353.31mm)	18.29" (464.57mm)	-4.38" (-111.26mm)	8th Driest	Driest since: 1930	1953
Jun–Oct 1940 5-Month	13.91" (353.31mm)	18.29" (464.57mm)	-4.38" (-111.26mm)	121st Wettest	Wettest since: 1939	1926
May–Oct 1940 6-Month	17.39" (441.71mm)	22.56" (573.02mm)	-5.17" (-131.31mm)	9th Driest	Driest since: 1930	1930
May–Oct 1940 6-Month	17.39" (441.71mm)	22.56" (573.02mm)	-5.17" (-131.31mm)	120th Wettest	Wettest since: 1939	2009
Apr–Oct 1940 7-Month	22.09" (561.09mm)	26.47" (672.34mm)	-4.38" (-111.25mm)	13th Driest	Driest since: 1936	1930
Apr–Oct 1940 7-Month	22.09" (561.09mm)	26.47" (672.34mm)	-4.38" (-111.25mm)	116th Wettest	Wettest since: 1939	2009
Mar–Oct 1940 8-Month	25.33" (643.38mm)	30.28" (769.11mm)	-4.95" (-125.73mm)	9th Driest	Driest since: 1936	1930
Mar–Oct 1940 8-Month	25.33" (643.38mm)	30.28" (769.11mm)	-4.95" (-125.73mm)	120th Wettest	Wettest since: 1939	2009
Feb–Oct 1940 9-Month	28.27" (718.06mm)	32.95" (836.93mm)	-4.68" (-118.87mm)	13th Driest	Driest since: 1936	1930
Feb–Oct 1940 9-Month	28.27" (718.06mm)	32.95" (836.93mm)	-4.68" (-118.87mm)	116th Wettest	Wettest since: 1939	2019
Jan–Oct 1940 10-Month	29.84" (757.94mm)	36.00" (914.40mm)	-6.16" (-156.46mm)	10th Driest	Driest since: 1936	1930
Jan–Oct 1940 10-Month	29.84" (757.94mm)	36.00" (914.40mm)	-6.16" (-156.46mm)	119th Wettest	Wettest since: 1939	2019
Dec 1939–Oct 1940 11-Month	31.66" (804.16mm)	39.09" (992.89mm)	-7.43" (-188.73mm)	7th Driest	Driest since: 1936	1930
Dec 1939–Oct 1940 11-Month	31.66" (804.16mm)	39.09" (992.89mm)	-7.43" (-188.73mm)	121st Wettest	Wettest since: 1939	2019
Nov 1939–Oct 1940 12-Month	33.24" (844.30mm)	42.23" (1,072.64mm)	-8.99" (-228.34mm)	3rd Driest	Driest since: 1930	1963
Nov 1939–Oct 1940 12-Month	33.24" (844.30mm)	42.23" (1,072.64mm)	-8.99" (-228.34mm)	125th Wettest	Wettest since: 1939	2019
May 1939–Oct 1940 18-Month	52.61" (1,336.29mm)	64.79" (1,645.67mm)	-12.18" (-309.38mm)	4th Driest	Driest since: 1931	1931
May 1939–Oct 1940 18-Month	52.61" (1,336.29mm)	64.79" (1,645.67mm)	-12.18" (-309.38mm)	124th Wettest	Wettest since: 1939	2019
Nov 1938–Oct 1940 24-Month	76.31" (1,938.27mm)	84.46" (2,145.28mm)	-8.15" (-207.01mm)	10th Driest	Driest since: 1931	1931
Nov 1938–Oct 1940 24-Month	76.31" (1,938.27mm)	84.46" (2,145.28mm)	-8.15" (-207.01mm)	117th Wettest	Wettest since: 1939	2020
Nov 1937–Oct 1940 36-Month	118.10" (2,999.74mm)	126.69" (3,217.93mm)	-8.59" (-218.19mm)	15th Driest	Driest since: 1936	1954
Nov 1937–Oct 1940 36-Month	118.10" (2,999.74mm)	126.69" (3,217.93mm)	-8.59" (-218.19mm)	111th Wettest	Wettest since: 1939	2020
Nov 1936–Oct 1940 48-Month	164.16" (4,169.66mm)	168.97" (4,291.84mm)	-4.81" (-122.18mm)	27th Driest	Driest since: 1937	1956
Nov 1936–Oct 1940 48-Month	164.16" (4,169.66mm)	168.97" (4,291.84mm)	-4.81" (-122.18mm)	98th Wettest	Wettest since: 1939	2021
Nov 1935–Oct 1940 60-Month	198.80" (5,049.52mm)	211.20" (5,364.48mm)	-12.40" (-314.96mm)	14th Driest	Driest since: 1934	1956
Nov 1935–Oct 1940 60-Month	198.80" (5,049.52mm)	211.20" (5,364.48mm)	-12.40" (-314.96mm)	110th Wettest	Wettest since: 1939	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings