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 1948

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1948 1-Month	66.3°F (19.1°C)	67.4°F (19.7°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1943	1917
	66.3°F (19.1°C)	67.4°F (19.7°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1947	2018
	Ties: 2006
Aug–Sep 1948 2-Month	70.0°F (21.1°C)	70.6°F (21.4°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1946	1927, 1963
	70.0°F (21.1°C)	70.6°F (21.4°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest since: 1947	2018
	Ties: 1916, 1984, 1986
Jul–Sep 1948 3-Month	71.8°F (22.1°C)	72.2°F (22.3°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1946	1909
	71.8°F (22.1°C)	72.2°F (22.3°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1947	2016
	Ties: 1916, 1969, 1972, 1996
Jun–Sep 1948 4-Month	71.5°F (21.9°C)	71.9°F (22.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1946	1927
	71.5°F (21.9°C)	71.9°F (22.2°C)	-0.4°F (-0.3°C)	88th Warmest	Warmest since: 1947	2010
	Ties: 1965, 1976, 1997
May–Sep 1948 5-Month	69.6°F (20.9°C)	69.9°F (21.1°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1946	1924, 1927
	69.6°F (20.9°C)	69.9°F (21.1°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1947	2010
	Ties: 1938, 1966, 1971, 1978, 1984
Apr–Sep 1948 6-Month	66.7°F (19.3°C)	66.9°F (19.4°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1946	1907
	66.7°F (19.3°C)	66.9°F (19.4°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1947	2010
	Ties: 1914, 1929, 1937, 1974
Mar–Sep 1948 7-Month	63.6°F (17.6°C)	63.5°F (17.5°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1947	1924
	63.6°F (17.6°C)	63.5°F (17.5°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1945	2010
	Ties: 1901, 1931, 1934, 1961
Feb–Sep 1948 8-Month	59.9°F (15.5°C)	59.8°F (15.4°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1947	1907
	59.9°F (15.5°C)	59.8°F (15.4°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1946	2012
	Ties: 1919, 1951, 1970
Jan–Sep 1948 9-Month	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1940	1940
	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1947	2012
	Ties: 1923, 1936, 1965, 1984
Dec 1947–Sep 1948 10-Month	53.9°F (12.2°C)	54.8°F (12.7°C)	-0.9°F (-0.5°C)	25th Coolest	Coolest since: 1940	1904
	53.9°F (12.2°C)	54.8°F (12.7°C)	-0.9°F (-0.5°C)	103rd Warmest	Warmest since: 1947	2012
	Ties: 1935, 1962
Nov 1947–Sep 1948 11-Month	52.9°F (11.6°C)	54.0°F (12.2°C)	-1.1°F (-0.6°C)	20th Coolest	Coolest since: 1940	1904
	52.9°F (11.6°C)	54.0°F (12.2°C)	-1.1°F (-0.6°C)	108th Warmest	Warmest since: 1947	2012
	Ties: 1934, 1970
Oct 1947–Sep 1948 12-Month	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	32nd Coolest	Coolest since: 1940	1904
	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1947	2012
	Ties: 1908, 1910, 1962, 1979
Apr 1947–Sep 1948 18-Month	58.1°F (14.5°C)	58.4°F (14.7°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest since: 1941	1918
	58.1°F (14.5°C)	58.4°F (14.7°C)	-0.3°F (-0.2°C)	93rd Warmest	Warmest since: 1947	2012
	Ties: 1897, 1914, 1915, 1925, 1935, 1961
Oct 1946–Sep 1948 24-Month	54.2°F (12.3°C)	54.2°F (12.3°C)	0.0°F (0.0°C)	49th Coolest	Coolest since: 1946	1905
	54.2°F (12.3°C)	54.2°F (12.3°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1947	2017
	Ties: 1898, 1934, 1946, 1983, 1997
Oct 1945–Sep 1948 36-Month	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1942	1905, 1918
	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1947	2018
	Ties: 1898, 1938, 1960, 1981
Oct 1944–Sep 1948 48-Month	54.2°F (12.3°C)	54.2°F (12.3°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1943	1905
	54.2°F (12.3°C)	54.2°F (12.3°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1947	2019
	Ties: 1901, 1973, 1983
Oct 1943–Sep 1948 60-Month	54.2°F (12.3°C)	54.1°F (12.3°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1944	1908
	54.2°F (12.3°C)	54.1°F (12.3°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1947	2020
	Ties: 1936, 1939, 1960

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings