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 1920

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1920 1-Month	67.6°F (19.8°C)	67.4°F (19.7°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1919	1917
	67.6°F (19.8°C)	67.4°F (19.7°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1915	2018
	Ties: 1922
Aug–Sep 1920 2-Month	70.6°F (21.4°C)	70.6°F (21.4°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1919	1927, 1963
Aug–Sep 1920 2-Month	70.6°F (21.4°C)	70.6°F (21.4°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1915	2018
Jul–Sep 1920 3-Month	71.5°F (21.9°C)	72.2°F (22.3°C)	-0.7°F (-0.4°C)	27th Coolest	Coolest since: 1919	1909
	71.5°F (21.9°C)	72.2°F (22.3°C)	-0.7°F (-0.4°C)	102nd Warmest	Warmest since: 1916	2016
	Ties: 1899, 1905, 1935, 1937, 1964, 1992
Jun–Sep 1920 4-Month	71.1°F (21.7°C)	71.9°F (22.2°C)	-0.8°F (-0.5°C)	27th Coolest	Coolest since: 1919	1927
	71.1°F (21.7°C)	71.9°F (22.2°C)	-0.8°F (-0.5°C)	102nd Warmest	Warmest since: 1919	2010
	Ties: 1905, 1915, 1919, 1926, 1928, 1929, 1958
May–Sep 1920 5-Month	68.3°F (20.2°C)	69.9°F (21.1°C)	-1.6°F (-0.9°C)	7th Coolest	Coolest since: 1917	1924, 1927
	68.3°F (20.2°C)	69.9°F (21.1°C)	-1.6°F (-0.9°C)	122nd Warmest	Warmest since: 1919	2010
	Ties: 1903, 1992
Apr–Sep 1920 6-Month	65.4°F (18.6°C)	66.9°F (19.4°C)	-1.5°F (-0.8°C)	8th Coolest	Coolest since: 1917	1907
Apr–Sep 1920 6-Month	65.4°F (18.6°C)	66.9°F (19.4°C)	-1.5°F (-0.8°C)	121st Warmest	Warmest since: 1919	2010
Mar–Sep 1920 7-Month	62.1°F (16.7°C)	63.5°F (17.5°C)	-1.4°F (-0.8°C)	12th Coolest	Coolest since: 1917	1924
	62.1°F (16.7°C)	63.5°F (17.5°C)	-1.4°F (-0.8°C)	117th Warmest	Warmest since: 1919	2010
	Ties: 1928, 1956, 1992
Feb–Sep 1920 8-Month	58.2°F (14.6°C)	59.8°F (15.4°C)	-1.6°F (-0.8°C)	10th Coolest	Coolest since: 1917	1907
	58.2°F (14.6°C)	59.8°F (15.4°C)	-1.6°F (-0.8°C)	119th Warmest	Warmest since: 1919	2012
	Ties: 1895
Jan–Sep 1920 9-Month	54.7°F (12.6°C)	56.9°F (13.8°C)	-2.2°F (-1.2°C)	4th Coolest	Coolest since: 1907	1940
Jan–Sep 1920 9-Month	54.7°F (12.6°C)	56.9°F (13.8°C)	-2.2°F (-1.2°C)	125th Warmest	Warmest since: 1919	2012
Dec 1919–Sep 1920 10-Month	52.4°F (11.3°C)	54.8°F (12.7°C)	-2.4°F (-1.4°C)	3rd Coolest	Coolest since: 1904	1904
Dec 1919–Sep 1920 10-Month	52.4°F (11.3°C)	54.8°F (12.7°C)	-2.4°F (-1.4°C)	125th Warmest	Warmest since: 1919	2012
Nov 1919–Sep 1920 11-Month	51.7°F (10.9°C)	54.0°F (12.2°C)	-2.3°F (-1.3°C)	5th Coolest	Coolest since: 1918	1904
Nov 1919–Sep 1920 11-Month	51.7°F (10.9°C)	54.0°F (12.2°C)	-2.3°F (-1.3°C)	123rd Warmest	Warmest since: 1919	2012
Oct 1919–Sep 1920 12-Month	52.6°F (11.4°C)	54.2°F (12.3°C)	-1.6°F (-0.9°C)	9th Coolest	Coolest since: 1918	1904
	52.6°F (11.4°C)	54.2°F (12.3°C)	-1.6°F (-0.9°C)	119th Warmest	Warmest since: 1919	2012
	Ties: 1927
Apr 1919–Sep 1920 18-Month	57.2°F (14.0°C)	58.4°F (14.7°C)	-1.2°F (-0.7°C)	9th Coolest	Coolest since: 1918	1918
	57.2°F (14.0°C)	58.4°F (14.7°C)	-1.2°F (-0.7°C)	119th Warmest	Warmest since: 1919	2012
	Ties: 1968
Oct 1918–Sep 1920 24-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	33rd Coolest	Coolest since: 1919	1905
	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	94th Warmest	Warmest since: 1915	2017
	Ties: 1915, 1926, 1969
Oct 1917–Sep 1920 36-Month	53.0°F (11.7°C)	54.2°F (12.3°C)	-1.2°F (-0.6°C)	6th Coolest	Coolest since: 1919	1905, 1918
	53.0°F (11.7°C)	54.2°F (12.3°C)	-1.2°F (-0.6°C)	120th Warmest	Warmest since: 1919	2018
	Ties: 1919, 1928
Oct 1916–Sep 1920 48-Month	52.9°F (11.6°C)	54.2°F (12.3°C)	-1.3°F (-0.7°C)	4th Coolest	Coolest since: 1918	1905
Oct 1916–Sep 1920 48-Month	52.9°F (11.6°C)	54.2°F (12.3°C)	-1.3°F (-0.7°C)	121st Warmest	Warmest since: 1919	2019
Oct 1915–Sep 1920 60-Month	52.9°F (11.6°C)	54.1°F (12.3°C)	-1.2°F (-0.7°C)	5th Coolest	Coolest since: 1918	1908
	52.9°F (11.6°C)	54.1°F (12.3°C)	-1.2°F (-0.7°C)	119th Warmest	Warmest since: 1919	2020
	Ties: 1918

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings