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 1903

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1903 1-Month	66.5°F (19.2°C)	67.4°F (19.7°C)	-0.9°F (-0.5°C)	36th Coolest	Coolest since: 1902	1917
	66.5°F (19.2°C)	67.4°F (19.7°C)	-0.9°F (-0.5°C)	93rd Warmest	Warmest since: 1901	2018
	Ties: 2001
Aug–Sep 1903 2-Month	69.2°F (20.7°C)	70.6°F (21.4°C)	-1.4°F (-0.7°C)	16th Coolest	Coolest since: 1902	1927, 1963
	69.2°F (20.7°C)	70.6°F (21.4°C)	-1.4°F (-0.7°C)	113th Warmest	Warmest since: 1901	2018
	Ties: 1935
Jul–Sep 1903 3-Month	71.1°F (21.7°C)	72.2°F (22.3°C)	-1.1°F (-0.6°C)	17th Coolest	Coolest since: 1902	1909
	71.1°F (21.7°C)	72.2°F (22.3°C)	-1.1°F (-0.6°C)	112th Warmest	Warmest since: 1902	2016
	Ties: 1902, 1982
Jun–Sep 1903 4-Month	69.7°F (20.9°C)	71.8°F (22.1°C)	-2.1°F (-1.2°C)	3rd Coolest	Coolest since: 1903	1927
Jun–Sep 1903 4-Month	69.7°F (20.9°C)	71.8°F (22.1°C)	-2.1°F (-1.2°C)	126th Warmest	Warmest since: 1902	2010
May–Sep 1903 5-Month	68.3°F (20.2°C)	69.9°F (21.1°C)	-1.6°F (-0.9°C)	7th Coolest	Coolest since: 1903	1924, 1927
	68.3°F (20.2°C)	69.9°F (21.1°C)	-1.6°F (-0.9°C)	122nd Warmest	Warmest since: 1902	2010
	Ties: 1920, 1992
Apr–Sep 1903 6-Month	65.5°F (18.6°C)	66.9°F (19.4°C)	-1.4°F (-0.8°C)	10th Coolest	Coolest since: 1903	1907
	65.5°F (18.6°C)	66.9°F (19.4°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1902	2010
	Ties: 1992
Mar–Sep 1903 7-Month	63.1°F (17.3°C)	63.5°F (17.5°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1902	1924
	63.1°F (17.3°C)	63.5°F (17.5°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1902	2010
	Ties: 1895, 1899, 1902
Feb–Sep 1903 8-Month	59.7°F (15.4°C)	59.9°F (15.5°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1902	1907
	59.7°F (15.4°C)	59.9°F (15.5°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1900	2012
	Ties: 1969, 1984
Jan–Sep 1903 9-Month	56.6°F (13.7°C)	56.9°F (13.8°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1902	1940
	56.6°F (13.7°C)	56.9°F (13.8°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1900	2012
	Ties: 1908, 1915, 1947, 1960, 1981
Dec 1902–Sep 1903 10-Month	54.3°F (12.4°C)	54.8°F (12.7°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1902	1904
	54.3°F (12.4°C)	54.8°F (12.7°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 1900	2012
	Ties: 1969
Nov 1902–Sep 1903 11-Month	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1902	1904
	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1900	2012
	Ties: 1922, 1931, 1946, 1950, 1960
Oct 1902–Sep 1903 12-Month	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1902	1904
Oct 1902–Sep 1903 12-Month	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1900	2012
Apr 1902–Sep 1903 18-Month	58.2°F (14.6°C)	58.4°F (14.7°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1902	1904, 1918
	58.2°F (14.6°C)	58.4°F (14.7°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1901	2012
	Ties: 1896, 1923, 1929, 1956
Oct 1901–Sep 1903 24-Month	53.3°F (11.8°C)	54.1°F (12.3°C)	-0.8°F (-0.5°C)	20th Coolest	Coolest since: 1902	1905
	53.3°F (11.8°C)	54.1°F (12.3°C)	-0.8°F (-0.5°C)	107th Warmest	Warmest since: 1901	2017
	Ties: 1924, 1928, 1936
Oct 1900–Sep 1903 36-Month	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	26th Coolest	Coolest since: 1903	1905, 1918
	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1902	2018
	Ties: 1924, 1942
Oct 1899–Sep 1903 48-Month	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F (-0.1°C)	38th Coolest	Coolest since: 1902	1905
	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F (-0.1°C)	87th Warmest	Warmest since: 1901	2019
	Ties: 1914, 1915, 1921, 1925, 1938, 1961, 1972, 1984
Oct 1898–Sep 1903 60-Month	53.7°F (12.1°C)	54.1°F (12.3°C)	-0.4°F (-0.2°C)	26th Coolest	Coolest since: 1903	1908
	53.7°F (12.1°C)	54.1°F (12.3°C)	-0.4°F (-0.2°C)	98th Warmest	Warmest since: 1902	2020
	Ties: 1916, 1917, 1921, 1929, 1930, 1963

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings