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

Minimum Temperature Rankings, September 1930

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1930 1-Month	60.3°F (15.7°C)	56.3°F (13.5°C)	4.0°F (2.2°C)	115th Coolest	Coolest since: 1929	1914, 1918
September 1930 1-Month	60.3°F (15.7°C)	56.3°F (13.5°C)	4.0°F (2.2°C)	14th Warmest	Warmest since: 1925	2018
Aug–Sep 1930 2-Month	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	79th Coolest	Coolest since: 1929	1963
	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	50th Warmest	Warmest since: 1926	2018
	Ties: 1945, 1979, 1988
Jul–Sep 1930 3-Month	61.8°F (16.6°C)	61.3°F (16.3°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1929	1963
	61.8°F (16.6°C)	61.3°F (16.3°C)	0.5°F (0.3°C)	54th Warmest	Warmest since: 1926	2018
	Ties: 1947, 1960, 1990
Jun–Sep 1930 4-Month	61.4°F (16.3°C)	60.9°F (16.1°C)	0.5°F (0.2°C)	70th Coolest	Coolest since: 1929	1927
	61.4°F (16.3°C)	60.9°F (16.1°C)	0.5°F (0.2°C)	59th Warmest	Warmest since: 1925	2018
	Ties: 1923, 1969, 1975, 1978, 1990
May–Sep 1930 5-Month	59.4°F (15.2°C)	58.9°F (14.9°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1929	1963, 1967
	59.4°F (15.2°C)	58.9°F (14.9°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1922	2018
	Ties: 1996
Apr–Sep 1930 6-Month	55.9°F (13.3°C)	55.8°F (13.2°C)	0.1°F (0.1°C)	52nd Coolest	Coolest since: 1929	1907, 1927
	55.9°F (13.3°C)	55.8°F (13.2°C)	0.1°F (0.1°C)	77th Warmest	Warmest since: 1922	2018
	Ties: 1941, 1961, 1979
Mar–Sep 1930 7-Month	52.3°F (11.3°C)	52.5°F (11.4°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1928	1967
	52.3°F (11.3°C)	52.5°F (11.4°C)	-0.2°F (-0.1°C)	87th Warmest	Warmest since: 1929	2010
	Ties: 1895, 1912, 1954, 1976, 1978
Feb–Sep 1930 8-Month	49.3°F (9.6°C)	49.0°F (9.4°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1929	1907, 1963
Feb–Sep 1930 8-Month	49.3°F (9.6°C)	49.0°F (9.4°C)	0.3°F (0.2°C)	65th Warmest	Warmest since: 1925	2012
Jan–Sep 1930 9-Month	46.5°F (8.1°C)	46.2°F (7.9°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1929	1940
	46.5°F (8.1°C)	46.2°F (7.9°C)	0.3°F (0.2°C)	62nd Warmest	Warmest since: 1925	2012
	Ties: 1954, 1980, 1985
Dec 1929–Sep 1930 10-Month	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1929	1904
	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1922	2012
	Ties: 1945, 1972
Nov 1929–Sep 1930 11-Month	44.0°F (6.7°C)	43.5°F (6.4°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1929	1904
	44.0°F (6.7°C)	43.5°F (6.4°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1922	2012
	Ties: 1931, 1937, 1976, 2003
Oct 1929–Sep 1930 12-Month	43.8°F (6.6°C)	43.5°F (6.4°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1929	1918
	43.8°F (6.6°C)	43.5°F (6.4°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1922	2012
	Ties: 1954, 1969
Apr 1929–Sep 1930 18-Month	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1929	1918
	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	81st Warmest	Warmest since: 1923	2012
	Ties: 1896, 1909, 1959
Oct 1928–Sep 1930 24-Month	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1929	1905
Oct 1928–Sep 1930 24-Month	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1923	2017
Oct 1927–Sep 1930 36-Month	43.7°F (6.5°C)	43.6°F (6.4°C)	0.1°F (0.1°C)	63rd Coolest	Coolest since: 1929	1918
	43.7°F (6.5°C)	43.6°F (6.4°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1923	2018, 2021
	Ties: 1898, 1931, 1938, 1943
Oct 1926–Sep 1930 48-Month	43.4°F (6.3°C)	43.5°F (6.4°C)	-0.1°F (-0.1°C)	44th Coolest	Coolest since: 1929	1905
	43.4°F (6.3°C)	43.5°F (6.4°C)	-0.1°F (-0.1°C)	81st Warmest	Warmest since: 1925	2019, 2020
	Ties: 1903, 1913, 1921, 1942, 1946, 1947, 1959
Oct 1925–Sep 1930 60-Month	43.1°F (6.2°C)	43.5°F (6.4°C)	-0.4°F (-0.2°C)	23rd Coolest	Coolest since: 1929	1967
	43.1°F (6.2°C)	43.5°F (6.4°C)	-0.4°F (-0.2°C)	101st Warmest	Warmest since: 1929	2020
	Ties: 1911, 1917, 1921, 1929

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings