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, May 1980

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1980 1-Month	64.2°F (17.9°C)	62.1°F (16.7°C)	2.1°F (1.2°C)	103rd Coolest	Coolest since: 1979	1967
	64.2°F (17.9°C)	62.1°F (16.7°C)	2.1°F (1.2°C)	26th Warmest	Warmest since: 1977	2004
	Ties: 1930, 1975, 1977
Apr–May 1980 2-Month	59.2°F (15.1°C)	57.0°F (13.9°C)	2.2°F (1.2°C)	106th Coolest	Coolest since: 1979	1907
	59.2°F (15.1°C)	57.0°F (13.9°C)	2.2°F (1.2°C)	23rd Warmest	Warmest since: 1977	2019
	Ties: 2013
Mar–May 1980 3-Month	52.9°F (11.6°C)	52.3°F (11.3°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 1978	1940
	52.9°F (11.6°C)	52.3°F (11.3°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 1979	2012
	Ties: 1999, 2013
Feb–May 1980 4-Month	47.2°F (8.4°C)	47.8°F (8.8°C)	-0.6°F (-0.4°C)	44th Coolest	Coolest since: 1979	1934
	47.2°F (8.4°C)	47.8°F (8.8°C)	-0.6°F (-0.4°C)	85th Warmest	Warmest since: 1977	2012
	Ties: 1932
Jan–May 1980 5-Month	44.4°F (6.9°C)	44.9°F (7.2°C)	-0.5°F (-0.3°C)	48th Coolest	Coolest since: 1979	1940
	44.4°F (6.9°C)	44.9°F (7.2°C)	-0.5°F (-0.3°C)	81st Warmest	Warmest since: 1977	2012
	Ties: 1960, 1972
Dec 1979–May 1980 6-Month	43.6°F (6.4°C)	43.5°F (6.4°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1979	1904
	43.6°F (6.4°C)	43.5°F (6.4°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1976	2012
	Ties: 1944, 1947, 2001, 2014, 2015
Nov 1979–May 1980 7-Month	44.5°F (6.9°C)	43.8°F (6.6°C)	0.7°F (0.3°C)	75th Coolest	Coolest since: 1979	1904
	44.5°F (6.9°C)	43.8°F (6.6°C)	0.7°F (0.3°C)	53rd Warmest	Warmest since: 1976	2012
	Ties: 1938, 2005
Oct 1979–May 1980 8-Month	45.8°F (7.7°C)	45.3°F (7.4°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1979	1904
	45.8°F (7.7°C)	45.3°F (7.4°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1976	2012
	Ties: 1925, 1960, 1973, 2014
Sep 1979–May 1980 9-Month	48.3°F (9.1°C)	47.9°F (8.8°C)	0.4°F (0.3°C)	74th Coolest	Coolest since: 1979	1904, 1918
	48.3°F (9.1°C)	47.9°F (8.8°C)	0.4°F (0.3°C)	54th Warmest	Warmest since: 1976	2012
	Ties: 1898, 1962, 2015
Aug 1979–May 1980 10-Month	50.8°F (10.4°C)	50.4°F (10.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1979	1904
	50.8°F (10.4°C)	50.4°F (10.2°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1976	2012
	Ties: 1947, 1975
Jul 1979–May 1980 11-Month	52.9°F (11.6°C)	52.7°F (11.5°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1979	1904
	52.9°F (11.6°C)	52.7°F (11.5°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1976	2012
	Ties: 1898, 1945, 1973, 1987, 1994
Jun 1979–May 1980 12-Month	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1979	1904
	54.1°F (12.3°C)	54.2°F (12.3°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1976	2012
	Ties: 1898, 1931, 1947, 1973
Dec 1978–May 1980 18-Month	50.4°F (10.2°C)	50.7°F (10.4°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1979	1905
	50.4°F (10.2°C)	50.7°F (10.4°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1977	2017
	Ties: 1899, 1903, 1923, 1934, 1977
Jun 1978–May 1980 24-Month	54.0°F (12.2°C)	54.1°F (12.3°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1979	1905
	54.0°F (12.2°C)	54.1°F (12.3°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1977	2017
	Ties: 1934, 1961
Jun 1977–May 1980 36-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	29th Coolest	Coolest since: 1979	1906
	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	97th Warmest	Warmest since: 1978	2018, 2021
	Ties: 1909, 1925, 1929, 1971
Jun 1976–May 1980 48-Month	53.5°F (11.9°C)	54.2°F (12.3°C)	-0.7°F (-0.4°C)	18th Coolest	Coolest since: 1971	1907
	53.5°F (11.9°C)	54.2°F (12.3°C)	-0.7°F (-0.4°C)	107th Warmest	Warmest since: 1979	2019
	Ties: 1911, 1912, 1926, 1967
Jun 1975–May 1980 60-Month	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1979	1908
	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1979	2020
	Ties: 1903, 1937, 1941, 1942, 1943, 1962, 1979, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings