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.

Maryland

Average Temperature Rankings, September 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1978 1-Month	67.6°F (19.8°C)	67.0°F (19.4°C)	0.6°F (0.4°C)	72nd Coolest	Coolest since: 1976	1917
	67.6°F (19.8°C)	67.0°F (19.4°C)	0.6°F (0.4°C)	57th Warmest	Warmest since: 1977	2018
	Ties: 1932, 1989
Aug–Sep 1978 2-Month	71.8°F (22.1°C)	70.1°F (21.2°C)	1.7°F (0.9°C)	99th Coolest	Coolest since: 1976	1940, 1963
	71.8°F (22.1°C)	70.1°F (21.2°C)	1.7°F (0.9°C)	30th Warmest	Warmest since: 1977	2018
	Ties: 1983, 2012
Jul–Sep 1978 3-Month	72.3°F (22.4°C)	71.8°F (22.1°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1976	1962
	72.3°F (22.4°C)	71.8°F (22.1°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1977	2016
	Ties: 1932, 1938, 1949, 1954, 1986
Jun–Sep 1978 4-Month	71.8°F (22.1°C)	71.5°F (21.9°C)	0.3°F (0.2°C)	59th Coolest	Coolest since: 1976	1927
	71.8°F (22.1°C)	71.5°F (21.9°C)	0.3°F (0.2°C)	70th Warmest	Warmest since: 1977	2010
	Ties: 1899, 1922, 1969, 1971, 2009
May–Sep 1978 5-Month	69.5°F (20.8°C)	69.6°F (20.9°C)	-0.1°F (-0.1°C)	45th Coolest	Coolest since: 1976	1907, 1967
	69.5°F (20.8°C)	69.6°F (20.9°C)	-0.1°F (-0.1°C)	84th Warmest	Warmest since: 1977	2010
	Ties: 1905, 1914, 1919, 1945, 1951, 1964, 1968, 1990, 2000
Apr–Sep 1978 6-Month	66.6°F (19.2°C)	66.8°F (19.3°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1976	1907
	66.6°F (19.2°C)	66.8°F (19.3°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1977	2010
	Ties: 1901, 1905, 1908, 1912, 1937, 1951, 1996
Mar–Sep 1978 7-Month	62.7°F (17.1°C)	63.3°F (17.4°C)	-0.6°F (-0.3°C)	32nd Coolest	Coolest since: 1975	1924
	62.7°F (17.1°C)	63.3°F (17.4°C)	-0.6°F (-0.3°C)	97th Warmest	Warmest since: 1977	2010
	Ties: 1937, 1963, 1966
Feb–Sep 1978 8-Month	57.9°F (14.4°C)	59.6°F (15.3°C)	-1.7°F (-0.9°C)	9th Coolest	Coolest since: 1967	1907
	57.9°F (14.4°C)	59.6°F (15.3°C)	-1.7°F (-0.9°C)	120th Warmest	Warmest since: 1977	2012
	Ties: 1914, 1920, 1950
Jan–Sep 1978 9-Month	54.5°F (12.5°C)	56.6°F (13.7°C)	-2.1°F (-1.2°C)	4th Coolest	Coolest since: 1940	1940
	54.5°F (12.5°C)	56.6°F (13.7°C)	-2.1°F (-1.2°C)	125th Warmest	Warmest since: 1977	2012
	Ties: 1912, 1920, 1924
Dec 1977–Sep 1978 10-Month	52.4°F (11.3°C)	54.4°F (12.4°C)	-2.0°F (-1.1°C)	5th Coolest	Coolest since: 1940	1904
	52.4°F (11.3°C)	54.4°F (12.4°C)	-2.0°F (-1.1°C)	123rd Warmest	Warmest since: 1977	2012
	Ties: 1905, 1907
Nov 1977–Sep 1978 11-Month	51.9°F (11.1°C)	53.6°F (12.0°C)	-1.7°F (-0.9°C)	9th Coolest	Coolest since: 1963	1904
	51.9°F (11.1°C)	53.6°F (12.0°C)	-1.7°F (-0.9°C)	119th Warmest	Warmest since: 1977	2012
	Ties: 1912, 1917
Oct 1977–Sep 1978 12-Month	52.1°F (11.2°C)	53.8°F (12.1°C)	-1.7°F (-0.9°C)	8th Coolest	Coolest since: 1963	1904
	52.1°F (11.2°C)	53.8°F (12.1°C)	-1.7°F (-0.9°C)	120th Warmest	Warmest since: 1977	2012
	Ties: 1917, 1926
Apr 1977–Sep 1978 18-Month	57.5°F (14.2°C)	58.1°F (14.5°C)	-0.6°F (-0.3°C)	25th Coolest	Coolest since: 1977	1904, 1918
	57.5°F (14.2°C)	58.1°F (14.5°C)	-0.6°F (-0.3°C)	103rd Warmest	Warmest since: 1976	2012
	Ties: 1915
Oct 1976–Sep 1978 24-Month	52.5°F (11.4°C)	53.8°F (12.1°C)	-1.3°F (-0.7°C)	7th Coolest	Coolest since: 1941	1905
	52.5°F (11.4°C)	53.8°F (12.1°C)	-1.3°F (-0.7°C)	120th Warmest	Warmest since: 1977	2017
	Ties: 1941, 1979
Oct 1975–Sep 1978 36-Month	53.3°F (11.8°C)	53.7°F (12.1°C)	-0.4°F (-0.3°C)	28th Coolest	Coolest since: 1971	1905, 1918
	53.3°F (11.8°C)	53.7°F (12.1°C)	-0.4°F (-0.3°C)	98th Warmest	Warmest since: 1977	2018
	Ties: 1902, 1910, 1941, 1962, 1982
Oct 1974–Sep 1978 48-Month	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1972	1905
	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1977	2019
	Ties: 1899, 1913, 1914, 1916, 1941, 1972
Oct 1973–Sep 1978 60-Month	53.7°F (12.1°C)	53.7°F (12.1°C)	0.0°F (0.0°C)	46th Coolest	Coolest since: 1973	1905, 1908
	53.7°F (12.1°C)	53.7°F (12.1°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1977	2020
	Ties: 1901, 1922, 1937, 1941, 1944, 1960, 1961, 1973, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings