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 River Basin

Average Temperature Rankings, April 1930

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1930 1-Month	53.5°F (11.9°C)	51.5°F (10.8°C)	2.0°F (1.1°C)	90th Coolest	Coolest since: 1928	1907
	53.5°F (11.9°C)	51.5°F (10.8°C)	2.0°F (1.1°C)	39th Warmest	Warmest since: 1929	1896
	Ties: 2008
Mar–Apr 1930 2-Month	46.4°F (8.0°C)	46.4°F (8.0°C)	0.0°F (0.0°C)	66th Coolest	Coolest since: 1928	1926
	46.4°F (8.0°C)	46.4°F (8.0°C)	0.0°F (0.0°C)	63rd Warmest	Warmest since: 1929	2012
	Ties: 1913, 1988
Feb–Apr 1930 3-Month	44.2°F (6.8°C)	41.5°F (5.3°C)	2.7°F (1.5°C)	112th Coolest	Coolest since: 1929	1978
Feb–Apr 1930 3-Month	44.2°F (6.8°C)	41.5°F (5.3°C)	2.7°F (1.5°C)	17th Warmest	Warmest since: 1927	2012
Jan–Apr 1930 4-Month	40.2°F (4.6°C)	38.4°F (3.6°C)	1.8°F (1.0°C)	99th Coolest	Coolest since: 1929	1978
	40.2°F (4.6°C)	38.4°F (3.6°C)	1.8°F (1.0°C)	30th Warmest	Warmest since: 1927	2017
	Ties: 1955, 1986
Dec 1929–Apr 1930 5-Month	38.8°F (3.8°C)	37.3°F (2.9°C)	1.5°F (0.9°C)	91st Coolest	Coolest since: 1929	1978
	38.8°F (3.8°C)	37.3°F (2.9°C)	1.5°F (0.9°C)	37th Warmest	Warmest since: 1927	2012
	Ties: 1950, 2021
Nov 1929–Apr 1930 6-Month	38.9°F (3.8°C)	38.1°F (3.4°C)	0.8°F (0.4°C)	76th Coolest	Coolest since: 1929	1904
	38.9°F (3.8°C)	38.1°F (3.4°C)	0.8°F (0.4°C)	52nd Warmest	Warmest since: 1927	2012
	Ties: 1897, 1933, 1972, 2013
Oct 1929–Apr 1930 7-Month	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1928	1978
	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1929	2017
	Ties: 1923, 1947
Sep 1929–Apr 1930 8-Month	43.9°F (6.6°C)	43.6°F (6.4°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1929	1918, 1977
	43.9°F (6.6°C)	43.6°F (6.4°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1928	2017
	Ties: 1947, 2009, 2010, 2013
Aug 1929–Apr 1930 9-Month	46.7°F (8.2°C)	46.7°F (8.2°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1928	1977
	46.7°F (8.2°C)	46.7°F (8.2°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1929	2017
	Ties: 1896, 1897, 1910, 1931, 1941, 1988
Jul 1929–Apr 1930 10-Month	49.4°F (9.7°C)	49.5°F (9.7°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1928	1977
	49.4°F (9.7°C)	49.5°F (9.7°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1929	2017
	Ties: 1897, 1900, 1934, 1941, 1967
Jun 1929–Apr 1930 11-Month	51.1°F (10.6°C)	51.4°F (10.8°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1928	1977
	51.1°F (10.6°C)	51.4°F (10.8°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1929	2017
	Ties: 1906, 1920, 1947, 1956, 2010
May 1929–Apr 1930 12-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1928	1918
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1929	2017
	Ties: 1917, 1920, 1947, 1967
Nov 1928–Apr 1930 18-Month	47.4°F (8.6°C)	47.5°F (8.6°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1929	1905, 1918
	47.4°F (8.6°C)	47.5°F (8.6°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1928	2017
	Ties: 1899, 1928, 1937, 1940, 1944, 1966, 1993
May 1928–Apr 1930 24-Month	51.9°F (11.1°C)	52.2°F (11.2°C)	-0.3°F (-0.1°C)	36th Coolest	Coolest since: 1929	1978
	51.9°F (11.1°C)	52.2°F (11.2°C)	-0.3°F (-0.1°C)	91st Warmest	Warmest since: 1928	2017
	Ties: 1967
May 1927–Apr 1930 36-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	28th Coolest	Coolest since: 1928	1979
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	98th Warmest	Warmest since: 1929	2018
	Ties: 1913, 1927, 1959, 1972, 1983, 2015
May 1926–Apr 1930 48-Month	52.0°F (11.1°C)	52.1°F (11.2°C)	-0.1°F (-0.1°C)	40th Coolest	Coolest since: 1929	1980
	52.0°F (11.1°C)	52.1°F (11.2°C)	-0.1°F (-0.1°C)	85th Warmest	Warmest since: 1925	2019
	Ties: 1902, 1911, 1912, 1914, 1931, 1997
May 1925–Apr 1930 60-Month	51.7°F (10.9°C)	52.1°F (11.2°C)	-0.4°F (-0.3°C)	25th Coolest	Coolest since: 1928	1981
	51.7°F (10.9°C)	52.1°F (11.2°C)	-0.4°F (-0.3°C)	99th Warmest	Warmest since: 1929	2020
	Ties: 1907, 1928

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