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 1939

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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
September 1939 1-Month	57.0°F (13.9°C)	56.3°F (13.5°C)	0.7°F (0.4°C)	67th Coolest	Coolest since: 1938	1914, 1918
	57.0°F (13.9°C)	56.3°F (13.5°C)	0.7°F (0.4°C)	62nd Warmest	Warmest since: 1936	2018
	Ties: 1920, 1992, 2012
Aug–Sep 1939 2-Month	61.3°F (16.3°C)	59.6°F (15.3°C)	1.7°F (1.0°C)	94th Coolest	Coolest since: 1938	1963
	61.3°F (16.3°C)	59.6°F (15.3°C)	1.7°F (1.0°C)	35th Warmest	Warmest since: 1936	2018
	Ties: 1895, 1989, 2006
Jul–Sep 1939 3-Month	62.0°F (16.7°C)	61.3°F (16.3°C)	0.7°F (0.4°C)	81st Coolest	Coolest since: 1937	1963
	62.0°F (16.7°C)	61.3°F (16.3°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1938	2018
	Ties: 1910, 1945, 1949, 1986, 2008
Jun–Sep 1939 4-Month	62.0°F (16.7°C)	60.9°F (16.1°C)	1.1°F (0.6°C)	89th Coolest	Coolest since: 1938	1927
Jun–Sep 1939 4-Month	62.0°F (16.7°C)	60.9°F (16.1°C)	1.1°F (0.6°C)	40th Warmest	Warmest since: 1934	2018
May–Sep 1939 5-Month	59.9°F (15.5°C)	58.9°F (14.9°C)	1.0°F (0.6°C)	87th Coolest	Coolest since: 1938	1963, 1967
	59.9°F (15.5°C)	58.9°F (14.9°C)	1.0°F (0.6°C)	42nd Warmest	Warmest since: 1934	2018
	Ties: 1922, 1975, 1980
Apr–Sep 1939 6-Month	56.6°F (13.7°C)	55.9°F (13.3°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1938	1907, 1927
	56.6°F (13.7°C)	55.9°F (13.3°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1934	2018, 2019
	Ties: 1901, 1952, 1957, 1969, 1970
Mar–Sep 1939 7-Month	53.2°F (11.8°C)	52.5°F (11.4°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1937	1967
	53.2°F (11.8°C)	52.5°F (11.4°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1938	2010
	Ties: 1901, 1931, 1936, 1953, 1957, 1994
Feb–Sep 1939 8-Month	50.1°F (10.1°C)	49.0°F (9.4°C)	1.1°F (0.7°C)	92nd Coolest	Coolest since: 1937	1907, 1963
	50.1°F (10.1°C)	49.0°F (9.4°C)	1.1°F (0.7°C)	37th Warmest	Warmest since: 1938	2012
	Ties: 1933, 1999
Jan–Sep 1939 9-Month	47.4°F (8.6°C)	46.2°F (7.9°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1938	1940
	47.4°F (8.6°C)	46.2°F (7.9°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 1938	2012
	Ties: 1906, 1938, 1999
Dec 1938–Sep 1939 10-Month	45.4°F (7.4°C)	44.3°F (6.8°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1938	1904
	45.4°F (7.4°C)	44.3°F (6.8°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 1933	2012
	Ties: 1983, 1993
Nov 1938–Sep 1939 11-Month	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	92nd Coolest	Coolest since: 1938	1904
	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	36th Warmest	Warmest since: 1933	2012
	Ties: 1922, 1975, 1986
Oct 1938–Sep 1939 12-Month	44.4°F (6.9°C)	43.5°F (6.4°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1938	1918
	44.4°F (6.9°C)	43.5°F (6.4°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1933	2012
	Ties: 1919, 1990, 2003, 2015
Apr 1938–Sep 1939 18-Month	48.4°F (9.1°C)	47.7°F (8.7°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1938	1918
	48.4°F (9.1°C)	47.7°F (8.7°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1932	2012
	Ties: 1942, 1973, 1985
Oct 1937–Sep 1939 24-Month	44.2°F (6.8°C)	43.5°F (6.4°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1938	1905
	44.2°F (6.8°C)	43.5°F (6.4°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1938	2017
	Ties: 1938, 1949, 1954, 1976, 1993, 1995, 1996, 2001
Oct 1936–Sep 1939 36-Month	44.2°F (6.8°C)	43.5°F (6.4°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1938	1918
	44.2°F (6.8°C)	43.5°F (6.4°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1933	2018, 2021
	Ties: 1932, 1951
Oct 1935–Sep 1939 48-Month	43.9°F (6.6°C)	43.5°F (6.4°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1938	1905
	43.9°F (6.6°C)	43.5°F (6.4°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 1935	2019, 2020
	Ties: 1901, 1935, 1951, 1957, 1973
Oct 1934–Sep 1939 60-Month	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1938	1967
	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1936	2020
	Ties: 1901, 1936, 1949, 1958

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings