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 1897

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1897 1-Month	67.3°F (19.6°C)	67.4°F (19.7°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1896	1917
	67.3°F (19.6°C)	67.4°F (19.7°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1895	2018
	Ties: 1919, 1926, 1955, 1972, 1992
Aug–Sep 1897 2-Month	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	39th Coolest	Coolest to Date	1927, 1963
	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	90th Warmest	Warmest since: 1896	2018
	Ties: 1923, 1969, 1972, 1990, 2013
Jul–Sep 1897 3-Month	71.6°F (22.0°C)	72.2°F (22.3°C)	-0.6°F (-0.3°C)	34th Coolest	Coolest to Date	1909
	71.6°F (22.0°C)	72.2°F (22.3°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 1896	2016
	Ties: 1912
Jun–Sep 1897 4-Month	70.6°F (21.4°C)	71.9°F (22.2°C)	-1.3°F (-0.8°C)	15th Coolest	Coolest to Date	1927
	70.6°F (21.4°C)	71.9°F (22.2°C)	-1.3°F (-0.8°C)	114th Warmest	Warmest since: 1896	2010
	Ties: 1916, 1940
May–Sep 1897 5-Month	68.6°F (20.3°C)	69.9°F (21.1°C)	-1.3°F (-0.8°C)	13th Coolest	Coolest to Date	1924, 1927
May–Sep 1897 5-Month	68.6°F (20.3°C)	69.9°F (21.1°C)	-1.3°F (-0.8°C)	116th Warmest	Warmest since: 1896	2010
Apr–Sep 1897 6-Month	65.7°F (18.7°C)	66.9°F (19.4°C)	-1.2°F (-0.7°C)	16th Coolest	Coolest to Date	1907
	65.7°F (18.7°C)	66.9°F (19.4°C)	-1.2°F (-0.7°C)	113th Warmest	Warmest since: 1896	2010
	Ties: 1946, 1956
Mar–Sep 1897 7-Month	62.6°F (17.0°C)	63.5°F (17.5°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest to Date	1924
	62.6°F (17.0°C)	63.5°F (17.5°C)	-0.9°F (-0.5°C)	108th Warmest	Warmest since: 1896	2010
	Ties: 1958, 1960, 1982
Feb–Sep 1897 8-Month	59.1°F (15.1°C)	59.8°F (15.4°C)	-0.7°F (-0.3°C)	30th Coolest	Coolest since: 1895	1907
	59.1°F (15.1°C)	59.8°F (15.4°C)	-0.7°F (-0.3°C)	99th Warmest	Warmest since: 1896	2012
	Ties: 1901, 1956
Jan–Sep 1897 9-Month	55.9°F (13.3°C)	56.9°F (13.8°C)	-1.0°F (-0.5°C)	23rd Coolest	Coolest since: 1895	1940
	55.9°F (13.3°C)	56.9°F (13.8°C)	-1.0°F (-0.5°C)	106th Warmest	Warmest since: 1896	2012
	Ties: 1928, 1935, 1966
Dec 1896–Sep 1897 10-Month	53.7°F (12.1°C)	54.8°F (12.7°C)	-1.1°F (-0.6°C)	20th Coolest	Coolest to Date	1904
	53.7°F (12.1°C)	54.8°F (12.7°C)	-1.1°F (-0.6°C)	108th Warmest	Warmest since: 1896	2012
	Ties: 1899, 1958
Nov 1896–Sep 1897 11-Month	53.4°F (11.9°C)	54.0°F (12.2°C)	-0.6°F (-0.3°C)	32nd Coolest	Coolest to Date	1904
	53.4°F (11.9°C)	54.0°F (12.2°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1896	2012
	Ties: 1914, 1923, 1966, 1971, 1979, 1981, 1984
Oct 1896–Sep 1897 12-Month	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest to Date	1904
	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1896	2012
	Ties: 1935, 1936, 1968
Apr 1896–Sep 1897 18-Month	58.1°F (14.5°C)	58.4°F (14.7°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest to Date	1918
	58.1°F (14.5°C)	58.4°F (14.7°C)	-0.3°F (-0.2°C)	93rd Warmest	Warmest since: 1896	2012
	Ties: 1914, 1915, 1925, 1935, 1948, 1961
Oct 1895–Sep 1897 24-Month	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	30th Coolest	Coolest to Date	1905
	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	97th Warmest	Warmest to Date	2017
	Ties: 1966, 1970

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings