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, October 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1991 1-Month	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	75th Coolest	Coolest since: 1988	1907
	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	54th Warmest	Warmest since: 1990	2007
	Ties: 1899, 1953
Sep–Oct 1991 2-Month	62.2°F (16.8°C)	61.9°F (16.6°C)	0.3°F (0.2°C)	61st Coolest	Coolest since: 1988	1917
	62.2°F (16.8°C)	61.9°F (16.6°C)	0.3°F (0.2°C)	68th Warmest	Warmest since: 1990	2007
	Ties: 1897, 1911, 1999
Aug–Oct 1991 3-Month	66.7°F (19.3°C)	65.8°F (18.8°C)	0.9°F (0.5°C)	80th Coolest	Coolest since: 1988	1909, 1917
	66.7°F (19.3°C)	65.8°F (18.8°C)	0.9°F (0.5°C)	49th Warmest	Warmest since: 1990	2018
	Ties: 1933
Jul–Oct 1991 4-Month	69.3°F (20.7°C)	68.3°F (20.2°C)	1.0°F (0.5°C)	88th Coolest	Coolest since: 1989	1909
Jul–Oct 1991 4-Month	69.3°F (20.7°C)	68.3°F (20.2°C)	1.0°F (0.5°C)	41st Warmest	Warmest since: 1990	2016
Jun–Oct 1991 5-Month	70.0°F (21.1°C)	68.8°F (20.4°C)	1.2°F (0.7°C)	101st Coolest	Coolest since: 1990	1907
	70.0°F (21.1°C)	68.8°F (20.4°C)	1.2°F (0.7°C)	28th Warmest	Warmest since: 1989	2010
	Ties: 1983, 1989, 1993, 2006
May–Oct 1991 6-Month	69.7°F (20.9°C)	67.6°F (19.8°C)	2.1°F (1.1°C)	113th Coolest	Coolest since: 1990	1907
May–Oct 1991 6-Month	69.7°F (20.9°C)	67.6°F (19.8°C)	2.1°F (1.1°C)	16th Warmest	Warmest since: 1959	2010, 2018
Apr–Oct 1991 7-Month	67.6°F (19.8°C)	65.4°F (18.6°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 1990	1907
Apr–Oct 1991 7-Month	67.6°F (19.8°C)	65.4°F (18.6°C)	2.2°F (1.2°C)	14th Warmest	Warmest since: 1959	2019
Mar–Oct 1991 8-Month	64.9°F (18.3°C)	62.6°F (17.0°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 1990	1907
Mar–Oct 1991 8-Month	64.9°F (18.3°C)	62.6°F (17.0°C)	2.3°F (1.3°C)	13th Warmest	Warmest since: 1921	2010
Feb–Oct 1991 9-Month	62.2°F (16.8°C)	59.4°F (15.2°C)	2.8°F (1.6°C)	118th Coolest	Coolest since: 1990	1907
Feb–Oct 1991 9-Month	62.2°F (16.8°C)	59.4°F (15.2°C)	2.8°F (1.6°C)	11th Warmest	Warmest to Date	2012
Jan–Oct 1991 10-Month	59.6°F (15.3°C)	56.9°F (13.8°C)	2.7°F (1.5°C)	118th Coolest	Coolest since: 1990	1940
Jan–Oct 1991 10-Month	59.6°F (15.3°C)	56.9°F (13.8°C)	2.7°F (1.5°C)	11th Warmest	Warmest to Date	2012
Dec 1990–Oct 1991 11-Month	58.0°F (14.4°C)	54.9°F (12.7°C)	3.1°F (1.7°C)	119th Coolest	Coolest since: 1990	1904
	58.0°F (14.4°C)	54.9°F (12.7°C)	3.1°F (1.7°C)	9th Warmest	Warmest to Date	2012
	Ties: 2010
Nov 1990–Oct 1991 12-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	120th Coolest	Coolest since: 1990	1904
	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	8th Warmest	Warmest to Date	2012
	Ties: 2020
May 1990–Oct 1991 18-Month	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 1990	1904
	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	12th Warmest	Warmest to Date	2012
	Ties: 2007, 2010, 2013
Nov 1989–Oct 1991 24-Month	56.4°F (13.6°C)	54.2°F (12.3°C)	2.2°F (1.3°C)	113th Coolest	Coolest since: 1990	1905
	56.4°F (13.6°C)	54.2°F (12.3°C)	2.2°F (1.3°C)	14th Warmest	Warmest to Date	2017
	Ties: 2002
Nov 1988–Oct 1991 36-Month	56.0°F (13.3°C)	54.2°F (12.3°C)	1.8°F (1.0°C)	106th Coolest	Coolest since: 1990	1905
	56.0°F (13.3°C)	54.2°F (12.3°C)	1.8°F (1.0°C)	20th Warmest	Warmest to Date	2018
	Ties: 1999
Nov 1987–Oct 1991 48-Month	55.6°F (13.1°C)	54.1°F (12.3°C)	1.5°F (0.8°C)	102nd Coolest	Coolest since: 1990	1907
	55.6°F (13.1°C)	54.1°F (12.3°C)	1.5°F (0.8°C)	23rd Warmest	Warmest to Date	2019
	Ties: 2006
Nov 1986–Oct 1991 60-Month	55.4°F (13.0°C)	54.1°F (12.3°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1990	1905, 1907, 1908
	55.4°F (13.0°C)	54.1°F (12.3°C)	1.3°F (0.7°C)	25th Warmest	Warmest to Date	2020
	Ties: 1993, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings