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 2009

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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 2009 1-Month	57.3°F (14.1°C)	56.3°F (13.5°C)	1.0°F (0.6°C)	72nd Coolest	Coolest since: 2006	1914, 1918
	57.3°F (14.1°C)	56.3°F (13.5°C)	1.0°F (0.6°C)	57th Warmest	Warmest since: 2008	2018
	Ties: 1954
Aug–Sep 2009 2-Month	62.0°F (16.7°C)	59.6°F (15.3°C)	2.4°F (1.4°C)	107th Coolest	Coolest since: 2008	1963
Aug–Sep 2009 2-Month	62.0°F (16.7°C)	59.6°F (15.3°C)	2.4°F (1.4°C)	22nd Warmest	Warmest since: 2005	2018
Jul–Sep 2009 3-Month	62.4°F (16.9°C)	61.3°F (16.3°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 2008	1963
Jul–Sep 2009 3-Month	62.4°F (16.9°C)	61.3°F (16.3°C)	1.1°F (0.6°C)	43rd Warmest	Warmest since: 2007	2018
Jun–Sep 2009 4-Month	62.1°F (16.7°C)	60.9°F (16.1°C)	1.2°F (0.6°C)	91st Coolest	Coolest since: 2001	1927
	62.1°F (16.7°C)	60.9°F (16.1°C)	1.2°F (0.6°C)	38th Warmest	Warmest since: 2008	2018
	Ties: 1961
May–Sep 2009 5-Month	60.4°F (15.8°C)	58.9°F (14.9°C)	1.5°F (0.9°C)	103rd Coolest	Coolest since: 2008	1963, 1967
	60.4°F (15.8°C)	58.9°F (14.9°C)	1.5°F (0.9°C)	26th Warmest	Warmest since: 2006	2018
	Ties: 1933, 1993, 2006, 2013
Apr–Sep 2009 6-Month	57.5°F (14.2°C)	55.9°F (13.3°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 2008	1907, 1927
	57.5°F (14.2°C)	55.9°F (13.3°C)	1.6°F (0.9°C)	24th Warmest	Warmest since: 2006	2018, 2019
	Ties: 2003, 2013
Mar–Sep 2009 7-Month	54.0°F (12.2°C)	52.5°F (11.4°C)	1.5°F (0.8°C)	105th Coolest	Coolest since: 2008	1967
	54.0°F (12.2°C)	52.5°F (11.4°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 2006	2010
	Ties: 1959, 2005
Feb–Sep 2009 8-Month	50.6°F (10.3°C)	49.0°F (9.4°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 2008	1907, 1963
	50.6°F (10.3°C)	49.0°F (9.4°C)	1.6°F (0.9°C)	19th Warmest	Warmest since: 2006	2012
	Ties: 2000, 2005
Jan–Sep 2009 9-Month	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 2007	1940
	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 2008	2012
	Ties: 1955, 1987
Dec 2008–Sep 2009 10-Month	45.5°F (7.5°C)	44.3°F (6.8°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 2003	1904
	45.5°F (7.5°C)	44.3°F (6.8°C)	1.2°F (0.7°C)	31st Warmest	Warmest since: 2008	2012
	Ties: 1932, 1952, 1987
Nov 2008–Sep 2009 11-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 2003	1904
	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 2008	2012
	Ties: 1933
Oct 2008–Sep 2009 12-Month	44.6°F (7.0°C)	43.5°F (6.4°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 2003	1918
	44.6°F (7.0°C)	43.5°F (6.4°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2008	2012
	Ties: 1953
Apr 2008–Sep 2009 18-Month	48.8°F (9.3°C)	47.7°F (8.7°C)	1.1°F (0.6°C)	102nd Coolest	Coolest since: 2001	1918
	48.8°F (9.3°C)	47.7°F (8.7°C)	1.1°F (0.6°C)	26th Warmest	Warmest since: 2008	2012
	Ties: 1922, 1949, 1974
Oct 2007–Sep 2009 24-Month	45.2°F (7.3°C)	43.5°F (6.4°C)	1.7°F (0.9°C)	108th Coolest	Coolest since: 2004	1905
	45.2°F (7.3°C)	43.5°F (6.4°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 2008	2017
	Ties: 1922
Oct 2006–Sep 2009 36-Month	45.2°F (7.3°C)	43.5°F (6.4°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 2005	1918
Oct 2006–Sep 2009 36-Month	45.2°F (7.3°C)	43.5°F (6.4°C)	1.7°F (0.9°C)	17th Warmest	Warmest since: 2008	2018, 2021
Oct 2005–Sep 2009 48-Month	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	110th Coolest	Coolest since: 2006	1905
Oct 2005–Sep 2009 48-Month	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2008	2019, 2020
Oct 2004–Sep 2009 60-Month	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2007	1967
	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2008	2020
	Ties: 2015

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