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 1960

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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 1960 1-Month	67.8°F (19.9°C)	67.4°F (19.7°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1958	1917
	67.8°F (19.9°C)	67.4°F (19.7°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1959	2018
	Ties: 1923, 1932
Aug–Sep 1960 2-Month	71.6°F (22.0°C)	70.6°F (21.4°C)	1.0°F (0.6°C)	84th Coolest	Coolest since: 1958	1927, 1963
	71.6°F (22.0°C)	70.6°F (21.4°C)	1.0°F (0.6°C)	45th Warmest	Warmest since: 1959	2018
	Ties: 1901, 1988, 2001
Jul–Sep 1960 3-Month	72.2°F (22.3°C)	72.2°F (22.3°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1958	1909
	72.2°F (22.3°C)	72.2°F (22.3°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1959	2016
	Ties: 1966, 1971, 1994
Jun–Sep 1960 4-Month	71.9°F (22.2°C)	71.9°F (22.2°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1958	1927
	71.9°F (22.2°C)	71.9°F (22.2°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1959	2010
	Ties: 1899, 1978
May–Sep 1960 5-Month	69.7°F (20.9°C)	69.9°F (21.1°C)	-0.2°F (-0.2°C)	47th Coolest	Coolest since: 1958	1924, 1927
	69.7°F (20.9°C)	69.9°F (21.1°C)	-0.2°F (-0.2°C)	82nd Warmest	Warmest since: 1959	2010
	Ties: 1951, 1996
Apr–Sep 1960 6-Month	67.6°F (19.8°C)	66.9°F (19.4°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1958	1907
	67.6°F (19.8°C)	66.9°F (19.4°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 1959	2010
	Ties: 1925, 1931, 1954, 1969, 1988
Mar–Sep 1960 7-Month	62.6°F (17.0°C)	63.5°F (17.5°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest since: 1958	1924
	62.6°F (17.0°C)	63.5°F (17.5°C)	-0.9°F (-0.5°C)	108th Warmest	Warmest since: 1959	2010
	Ties: 1897, 1958, 1982
Feb–Sep 1960 8-Month	59.3°F (15.2°C)	59.8°F (15.4°C)	-0.5°F (-0.2°C)	35th Coolest	Coolest since: 1958	1907
	59.3°F (15.2°C)	59.8°F (15.4°C)	-0.5°F (-0.2°C)	94th Warmest	Warmest since: 1959	2012
	Ties: 1915, 1937, 1941
Jan–Sep 1960 9-Month	56.6°F (13.7°C)	56.9°F (13.8°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1958	1940
	56.6°F (13.7°C)	56.9°F (13.8°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1959	2012
	Ties: 1903, 1908, 1915, 1947, 1981
Dec 1959–Sep 1960 10-Month	54.9°F (12.7°C)	54.8°F (12.7°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1958	1904
	54.9°F (12.7°C)	54.8°F (12.7°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1959	2012
	Ties: 1896, 1931, 1947, 1950, 1951, 1977, 1992
Nov 1959–Sep 1960 11-Month	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1958	1904
	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1959	2012
	Ties: 1903, 1922, 1931, 1946, 1950
Oct 1959–Sep 1960 12-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	62nd Coolest	Coolest since: 1958	1904
	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	66th Warmest	Warmest since: 1959	2012
	Ties: 1951, 1975
Apr 1959–Sep 1960 18-Month	59.4°F (15.2°C)	58.4°F (14.7°C)	1.0°F (0.5°C)	96th Coolest	Coolest since: 1959	1918
	59.4°F (15.2°C)	58.4°F (14.7°C)	1.0°F (0.5°C)	32nd Warmest	Warmest since: 1954	2012
	Ties: 1974, 1990, 1992, 2003
Oct 1958–Sep 1960 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 1959	1905
	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	54th Warmest	Warmest since: 1955	2017
	Ties: 1914, 1942, 1977, 1989, 1994
Oct 1957–Sep 1960 36-Month	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1958	1905, 1918
	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1959	2018
	Ties: 1898, 1938, 1948, 1981
Oct 1956–Sep 1960 48-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1959	1905
	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1957	2019
	Ties: 1935, 1944, 1985
Oct 1955–Sep 1960 60-Month	54.2°F (12.3°C)	54.1°F (12.3°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1948	1908
	54.2°F (12.3°C)	54.1°F (12.3°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1959	2020
	Ties: 1936, 1939, 1948

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings