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 1907

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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 1907 1-Month	68.5°F (20.3°C)	67.4°F (19.7°C)	1.1°F (0.6°C)	79th Coolest	Coolest since: 1905	1917
	68.5°F (20.3°C)	67.4°F (19.7°C)	1.1°F (0.6°C)	50th Warmest	Warmest since: 1906	2018
	Ties: 1983
Aug–Sep 1907 2-Month	70.2°F (21.2°C)	70.6°F (21.4°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1905	1927, 1963
	70.2°F (21.2°C)	70.6°F (21.4°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1906	2018
	Ties: 1934, 1949, 1966
Jul–Sep 1907 3-Month	71.7°F (22.1°C)	72.2°F (22.3°C)	-0.5°F (-0.2°C)	36th Coolest	Coolest since: 1905	1909
	71.7°F (22.1°C)	72.2°F (22.3°C)	-0.5°F (-0.2°C)	93rd Warmest	Warmest since: 1906	2016
	Ties: 1913, 1928
Jun–Sep 1907 4-Month	69.9°F (21.1°C)	71.9°F (22.2°C)	-2.0°F (-1.1°C)	4th Coolest	Coolest since: 1903	1927
Jun–Sep 1907 4-Month	69.9°F (21.1°C)	71.9°F (22.2°C)	-2.0°F (-1.1°C)	125th Warmest	Warmest since: 1906	2010
May–Sep 1907 5-Month	67.4°F (19.7°C)	69.9°F (21.1°C)	-2.5°F (-1.4°C)	3rd Coolest	Coolest to Date	1924, 1927
	67.4°F (19.7°C)	69.9°F (21.1°C)	-2.5°F (-1.4°C)	126th Warmest	Warmest since: 1906	2010
	Ties: 1967
Apr–Sep 1907 6-Month	63.8°F (17.7°C)	66.9°F (19.4°C)	-3.1°F (-1.7°C)	1st Coolest	Coolest to Date	1907
Apr–Sep 1907 6-Month	63.8°F (17.7°C)	66.9°F (19.4°C)	-3.1°F (-1.7°C)	128th Warmest	Warmest since: 1906	2010
Mar–Sep 1907 7-Month	61.1°F (16.2°C)	63.5°F (17.5°C)	-2.4°F (-1.3°C)	2nd Coolest	Coolest to Date	1924
	61.1°F (16.2°C)	63.5°F (17.5°C)	-2.4°F (-1.3°C)	127th Warmest	Warmest since: 1906	2010
	Ties: 1940
Feb–Sep 1907 8-Month	56.9°F (13.8°C)	59.8°F (15.4°C)	-2.9°F (-1.6°C)	1st Coolest	Coolest to Date	1907
Feb–Sep 1907 8-Month	56.9°F (13.8°C)	59.8°F (15.4°C)	-2.9°F (-1.6°C)	128th Warmest	Warmest since: 1906	2012
Jan–Sep 1907 9-Month	54.6°F (12.6°C)	56.9°F (13.8°C)	-2.3°F (-1.2°C)	3rd Coolest	Coolest since: 1904	1940
Jan–Sep 1907 9-Month	54.6°F (12.6°C)	56.9°F (13.8°C)	-2.3°F (-1.2°C)	126th Warmest	Warmest since: 1906	2012
Dec 1906–Sep 1907 10-Month	52.7°F (11.5°C)	54.8°F (12.7°C)	-2.1°F (-1.2°C)	6th Coolest	Coolest since: 1905	1904
Dec 1906–Sep 1907 10-Month	52.7°F (11.5°C)	54.8°F (12.7°C)	-2.1°F (-1.2°C)	122nd Warmest	Warmest since: 1906	2012
Nov 1906–Sep 1907 11-Month	52.0°F (11.1°C)	54.0°F (12.2°C)	-2.0°F (-1.1°C)	6th Coolest	Coolest since: 1905	1904
Nov 1906–Sep 1907 11-Month	52.0°F (11.1°C)	54.0°F (12.2°C)	-2.0°F (-1.1°C)	122nd Warmest	Warmest since: 1906	2012
Oct 1906–Sep 1907 12-Month	52.3°F (11.3°C)	54.2°F (12.3°C)	-1.9°F (-1.0°C)	5th Coolest	Coolest since: 1905	1904
Oct 1906–Sep 1907 12-Month	52.3°F (11.3°C)	54.2°F (12.3°C)	-1.9°F (-1.0°C)	123rd Warmest	Warmest since: 1906	2012
Apr 1906–Sep 1907 18-Month	57.5°F (14.2°C)	58.4°F (14.7°C)	-0.9°F (-0.5°C)	16th Coolest	Coolest since: 1905	1918
	57.5°F (14.2°C)	58.4°F (14.7°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1906	2012
	Ties: 1926, 1941
Oct 1905–Sep 1907 24-Month	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1906	1905
	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	103rd Warmest	Warmest since: 1901	2017
	Ties: 1916, 1940
Oct 1904–Sep 1907 36-Month	52.8°F (11.6°C)	54.2°F (12.3°C)	-1.4°F (-0.7°C)	5th Coolest	Coolest since: 1906	1905, 1918
Oct 1904–Sep 1907 36-Month	52.8°F (11.6°C)	54.2°F (12.3°C)	-1.4°F (-0.7°C)	121st Warmest	Warmest since: 1903	2018
Oct 1903–Sep 1907 48-Month	52.5°F (11.4°C)	54.2°F (12.3°C)	-1.7°F (-0.9°C)	2nd Coolest	Coolest since: 1905	1905
Oct 1903–Sep 1907 48-Month	52.5°F (11.4°C)	54.2°F (12.3°C)	-1.7°F (-0.9°C)	123rd Warmest	Warmest since: 1906	2019
Oct 1902–Sep 1907 60-Month	52.8°F (11.6°C)	54.1°F (12.3°C)	-1.3°F (-0.7°C)	2nd Coolest	Coolest since: 1906	1908
	52.8°F (11.6°C)	54.1°F (12.3°C)	-1.3°F (-0.7°C)	122nd Warmest	Warmest since: 1906	2020
	Ties: 1905, 1906

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings