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, June 1990

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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
June 1990 1-Month	71.4°F (21.9°C)	70.7°F (21.5°C)	0.7°F (0.4°C)	74th Coolest	Coolest since: 1985	1907
	71.4°F (21.9°C)	70.7°F (21.5°C)	0.7°F (0.4°C)	55th Warmest	Warmest since: 1989	2010
	Ties: 1914, 1954, 1993
May–Jun 1990 2-Month	66.4°F (19.1°C)	66.5°F (19.2°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1983	1907
	66.4°F (19.1°C)	66.5°F (19.2°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1989	2010
	Ties: 1909, 1948, 1977
Apr–Jun 1990 3-Month	62.1°F (16.7°C)	61.6°F (16.4°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1988	1907
	62.1°F (16.7°C)	61.6°F (16.4°C)	0.5°F (0.3°C)	61st Warmest	Warmest since: 1989	2010
	Ties: 1918, 1929, 1996
Mar–Jun 1990 4-Month	58.3°F (14.6°C)	56.9°F (13.8°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 1989	1907
	58.3°F (14.6°C)	56.9°F (13.8°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1986	2010
	Ties: 1913, 2009, 2018
Feb–Jun 1990 5-Month	55.1°F (12.8°C)	52.4°F (11.3°C)	2.7°F (1.5°C)	113th Coolest	Coolest since: 1989	1907
	55.1°F (12.8°C)	52.4°F (11.3°C)	2.7°F (1.5°C)	16th Warmest	Warmest since: 1976	2012
	Ties: 2016, 2021, 2022
Jan–Jun 1990 6-Month	52.8°F (11.6°C)	49.2°F (9.6°C)	3.6°F (2.0°C)	122nd Coolest	Coolest since: 1989	1940
	52.8°F (11.6°C)	49.2°F (9.6°C)	3.6°F (2.0°C)	7th Warmest	Warmest to Date	2012
	Ties: 2019
Dec 1989–Jun 1990 7-Month	48.9°F (9.4°C)	47.4°F (8.6°C)	1.5°F (0.8°C)	94th Coolest	Coolest since: 1989	1904
	48.9°F (9.4°C)	47.4°F (8.6°C)	1.5°F (0.8°C)	34th Warmest	Warmest since: 1985	2012
	Ties: 1925, 2011
Nov 1989–Jun 1990 8-Month	48.5°F (9.2°C)	47.2°F (8.4°C)	1.3°F (0.8°C)	95th Coolest	Coolest since: 1989	1904
	48.5°F (9.2°C)	47.2°F (8.4°C)	1.3°F (0.8°C)	33rd Warmest	Warmest since: 1986	2012
	Ties: 1933, 1973, 1974, 1986, 2009
Oct 1989–Jun 1990 9-Month	49.6°F (9.8°C)	48.2°F (9.0°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 1989	1904
	49.6°F (9.8°C)	48.2°F (9.0°C)	1.4°F (0.8°C)	32nd Warmest	Warmest since: 1986	2012
	Ties: 1954
Sep 1989–Jun 1990 10-Month	51.5°F (10.8°C)	50.1°F (10.1°C)	1.4°F (0.7°C)	97th Coolest	Coolest since: 1989	1918
	51.5°F (10.8°C)	50.1°F (10.1°C)	1.4°F (0.7°C)	31st Warmest	Warmest since: 1986	2012
	Ties: 1954, 1974
Aug 1989–Jun 1990 11-Month	53.5°F (11.9°C)	52.3°F (11.3°C)	1.2°F (0.6°C)	96th Coolest	Coolest since: 1989	1904
	53.5°F (11.9°C)	52.3°F (11.3°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 1986	2012
	Ties: 1953, 1954
Jul 1989–Jun 1990 12-Month	55.3°F (12.9°C)	54.2°F (12.3°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 1989	1904
	55.3°F (12.9°C)	54.2°F (12.3°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 1986	2012
	Ties: 1939, 1950, 1957
Jan 1989–Jun 1990 18-Month	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	98th Coolest	Coolest since: 1989	1905
	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 1976	2012
	Ties: 1933, 1939, 2005
Jul 1988–Jun 1990 24-Month	55.2°F (12.9°C)	54.2°F (12.3°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1989	1905
	55.2°F (12.9°C)	54.2°F (12.3°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1986	2017
	Ties: 1976, 1995
Jul 1987–Jun 1990 36-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 1989	1906
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	36th Warmest	Warmest since: 1987	2018, 2019, 2021
	Ties: 1932, 1934, 1950, 1974
Jul 1986–Jun 1990 48-Month	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1989	1907
	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1989	2019, 2020
	Ties: 1932, 1956, 1989, 1995
Jul 1985–Jun 1990 60-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 1989	1908
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	34th Warmest	Warmest since: 1989	2020, 2021
	Ties: 1933, 1957, 1987, 1989

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings