Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Average Temperature Rankings, September 1923

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1923 1-Month	67.8°F (19.9°C)	67.4°F (19.7°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1922	1917
	67.8°F (19.9°C)	67.4°F (19.7°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1921	2018
	Ties: 1932, 1960
Aug–Sep 1923 2-Month	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	39th Coolest	Coolest since: 1922	1927, 1963
	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	90th Warmest	Warmest since: 1921	2018
	Ties: 1897, 1969, 1972, 1990, 2013
Jul–Sep 1923 3-Month	71.0°F (21.7°C)	72.2°F (22.3°C)	-1.2°F (-0.6°C)	14th Coolest	Coolest since: 1918	1909
	71.0°F (21.7°C)	72.2°F (22.3°C)	-1.2°F (-0.6°C)	115th Warmest	Warmest since: 1922	2016
	Ties: 1956, 1976
Jun–Sep 1923 4-Month	71.6°F (22.0°C)	71.9°F (22.2°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1922	1927
	71.6°F (22.0°C)	71.9°F (22.2°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1922	2010
	Ties: 1922, 1937, 1981
May–Sep 1923 5-Month	69.4°F (20.8°C)	69.9°F (21.1°C)	-0.5°F (-0.3°C)	31st Coolest	Coolest since: 1920	1924, 1927
	69.4°F (20.8°C)	69.9°F (21.1°C)	-0.5°F (-0.3°C)	98th Warmest	Warmest since: 1922	2010
	Ties: 1912, 1918, 1919, 1976, 1979
Apr–Sep 1923 6-Month	66.3°F (19.1°C)	66.9°F (19.4°C)	-0.6°F (-0.3°C)	26th Coolest	Coolest since: 1920	1907
Apr–Sep 1923 6-Month	66.3°F (19.1°C)	66.9°F (19.4°C)	-0.6°F (-0.3°C)	103rd Warmest	Warmest since: 1922	2010
Mar–Sep 1923 7-Month	63.0°F (17.2°C)	63.5°F (17.5°C)	-0.5°F (-0.3°C)	35th Coolest	Coolest since: 1920	1924
	63.0°F (17.2°C)	63.5°F (17.5°C)	-0.5°F (-0.3°C)	94th Warmest	Warmest since: 1922	2010
	Ties: 1963, 1996
Feb–Sep 1923 8-Month	58.8°F (14.9°C)	59.8°F (15.4°C)	-1.0°F (-0.5°C)	26th Coolest	Coolest since: 1920	1907
Feb–Sep 1923 8-Month	58.8°F (14.9°C)	59.8°F (15.4°C)	-1.0°F (-0.5°C)	103rd Warmest	Warmest since: 1922	2012
Jan–Sep 1923 9-Month	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1920	1940
	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1922	2012
	Ties: 1936, 1948, 1965, 1984
Dec 1922–Sep 1923 10-Month	54.2°F (12.3°C)	54.8°F (12.7°C)	-0.6°F (-0.4°C)	36th Coolest	Coolest since: 1920	1904
	54.2°F (12.3°C)	54.8°F (12.7°C)	-0.6°F (-0.4°C)	92nd Warmest	Warmest since: 1922	2012
	Ties: 1915, 1966, 1996
Nov 1922–Sep 1923 11-Month	53.4°F (11.9°C)	54.0°F (12.2°C)	-0.6°F (-0.3°C)	32nd Coolest	Coolest since: 1920	1904
	53.4°F (11.9°C)	54.0°F (12.2°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1922	2012
	Ties: 1897, 1914, 1966, 1971, 1979, 1981, 1984
Oct 1922–Sep 1923 12-Month	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1920	1904
	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1922	2012
	Ties: 1896, 1915, 1965, 1984
Apr 1922–Sep 1923 18-Month	58.2°F (14.6°C)	58.4°F (14.7°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1920	1918
	58.2°F (14.6°C)	58.4°F (14.7°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1922	2012
	Ties: 1896, 1903, 1929, 1956
Oct 1921–Sep 1923 24-Month	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1920	1905
	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1922	2017
	Ties: 1937
Oct 1920–Sep 1923 36-Month	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1922	1905, 1918
	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	41st Warmest	Warmest to Date	2018
	Ties: 1934, 1949, 1974, 1975, 1997
Oct 1919–Sep 1923 48-Month	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1921	1905
	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1922	2019
	Ties: 1946, 1947, 1958
Oct 1918–Sep 1923 60-Month	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	67th Coolest	Coolest since: 1922	1908
	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	57th Warmest	Warmest to Date	2020
	Ties: 1935, 1947, 1974

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings