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 1905

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1905 1-Month	67.0°F (19.4°C)	67.4°F (19.7°C)	-0.4°F (-0.3°C)	45th Coolest	Coolest since: 1904	1917
	67.0°F (19.4°C)	67.4°F (19.7°C)	-0.4°F (-0.3°C)	84th Warmest	Warmest since: 1901	2018
	Ties: 1927, 1951, 1952, 1991
Aug–Sep 1905 2-Month	69.7°F (20.9°C)	70.6°F (21.4°C)	-0.9°F (-0.5°C)	29th Coolest	Coolest since: 1904	1927, 1963
	69.7°F (20.9°C)	70.6°F (21.4°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest since: 1901	2018
	Ties: 1922, 1928
Jul–Sep 1905 3-Month	71.5°F (21.9°C)	72.2°F (22.3°C)	-0.7°F (-0.4°C)	27th Coolest	Coolest since: 1904	1909
	71.5°F (21.9°C)	72.2°F (22.3°C)	-0.7°F (-0.4°C)	102nd Warmest	Warmest since: 1901	2016
	Ties: 1899, 1920, 1935, 1937, 1964, 1992
Jun–Sep 1905 4-Month	71.1°F (21.7°C)	71.8°F (22.1°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1904	1927
	71.1°F (21.7°C)	71.8°F (22.1°C)	-0.7°F (-0.4°C)	101st Warmest	Warmest since: 1901	2010
	Ties: 1915, 1919, 1926, 1928, 1929, 1958
May–Sep 1905 5-Month	69.5°F (20.8°C)	69.9°F (21.1°C)	-0.4°F (-0.3°C)	37th Coolest	Coolest since: 1904	1924, 1927
	69.5°F (20.8°C)	69.9°F (21.1°C)	-0.4°F (-0.3°C)	92nd Warmest	Warmest since: 1901	2010
	Ties: 1908, 1913, 1981
Apr–Sep 1905 6-Month	66.5°F (19.2°C)	66.9°F (19.4°C)	-0.4°F (-0.2°C)	33rd Coolest	Coolest since: 1904	1907
	66.5°F (19.2°C)	66.9°F (19.4°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1901	2010
	Ties: 1932, 1958, 1964, 1984
Mar–Sep 1905 7-Month	63.2°F (17.3°C)	63.5°F (17.5°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1904	1924
	63.2°F (17.3°C)	63.5°F (17.5°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1901	2010
	Ties: 1997
Feb–Sep 1905 8-Month	58.4°F (14.7°C)	59.8°F (15.4°C)	-1.4°F (-0.7°C)	15th Coolest	Coolest since: 1904	1907
	58.4°F (14.7°C)	59.8°F (15.4°C)	-1.4°F (-0.7°C)	114th Warmest	Warmest since: 1903	2012
	Ties: 1934
Jan–Sep 1905 9-Month	55.1°F (12.8°C)	56.9°F (13.8°C)	-1.8°F (-1.0°C)	8th Coolest	Coolest since: 1904	1940
Jan–Sep 1905 9-Month	55.1°F (12.8°C)	56.9°F (13.8°C)	-1.8°F (-1.0°C)	121st Warmest	Warmest since: 1903	2012
Dec 1904–Sep 1905 10-Month	52.5°F (11.4°C)	54.8°F (12.7°C)	-2.3°F (-1.3°C)	4th Coolest	Coolest since: 1904	1904
Dec 1904–Sep 1905 10-Month	52.5°F (11.4°C)	54.8°F (12.7°C)	-2.3°F (-1.3°C)	124th Warmest	Warmest since: 1903	2012
Nov 1904–Sep 1905 11-Month	51.5°F (10.8°C)	54.0°F (12.2°C)	-2.5°F (-1.4°C)	3rd Coolest	Coolest since: 1904	1904
	51.5°F (10.8°C)	54.0°F (12.2°C)	-2.5°F (-1.4°C)	125th Warmest	Warmest since: 1903	2012
	Ties: 1918
Oct 1904–Sep 1905 12-Month	51.6°F (10.9°C)	54.1°F (12.3°C)	-2.5°F (-1.4°C)	4th Coolest	Coolest since: 1904	1904
Oct 1904–Sep 1905 12-Month	51.6°F (10.9°C)	54.1°F (12.3°C)	-2.5°F (-1.4°C)	124th Warmest	Warmest since: 1903	2012
Apr 1904–Sep 1905 18-Month	56.3°F (13.5°C)	58.4°F (14.7°C)	-2.1°F (-1.2°C)	3rd Coolest	Coolest since: 1904	1904, 1918
Apr 1904–Sep 1905 18-Month	56.3°F (13.5°C)	58.4°F (14.7°C)	-2.1°F (-1.2°C)	125th Warmest	Warmest since: 1903	2012
Oct 1903–Sep 1905 24-Month	51.5°F (10.8°C)	54.2°F (12.3°C)	-2.7°F (-1.5°C)	1st Coolest	Coolest since: 1905	1905
Oct 1903–Sep 1905 24-Month	51.5°F (10.8°C)	54.2°F (12.3°C)	-2.7°F (-1.5°C)	126th Warmest	Warmest since: 1904	2017
Oct 1902–Sep 1905 36-Month	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	1st Coolest	Coolest since: 1905	1905, 1918
	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	125th Warmest	Warmest since: 1904	2018
	Ties: 1918
Oct 1901–Sep 1905 48-Month	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	1st Coolest	Coolest since: 1905	1905
Oct 1901–Sep 1905 48-Month	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	124th Warmest	Warmest since: 1904	2019
Oct 1900–Sep 1905 60-Month	52.8°F (11.6°C)	54.2°F (12.3°C)	-1.4°F (-0.7°C)	2nd Coolest	Coolest since: 1905	1908
	52.8°F (11.6°C)	54.2°F (12.3°C)	-1.4°F (-0.7°C)	122nd Warmest	Warmest since: 1904	2020
	Ties: 1906, 1907

Citing This Page

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