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 1959

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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 1959 1-Month	69.3°F (20.7°C)	67.0°F (19.4°C)	2.3°F (1.3°C)	104th Coolest	Coolest since: 1958	1917
September 1959 1-Month	69.3°F (20.7°C)	67.0°F (19.4°C)	2.3°F (1.3°C)	25th Warmest	Warmest since: 1945	2018
Aug–Sep 1959 2-Month	72.8°F (22.7°C)	70.1°F (21.2°C)	2.7°F (1.5°C)	116th Coolest	Coolest since: 1958	1940, 1963
Aug–Sep 1959 2-Month	72.8°F (22.7°C)	70.1°F (21.2°C)	2.7°F (1.5°C)	13th Warmest	Warmest since: 1930	2018
Jul–Sep 1959 3-Month	73.7°F (23.2°C)	71.8°F (22.1°C)	1.9°F (1.1°C)	106th Coolest	Coolest since: 1958	1962
Jul–Sep 1959 3-Month	73.7°F (23.2°C)	71.8°F (22.1°C)	1.9°F (1.1°C)	23rd Warmest	Warmest since: 1955	2016
Jun–Sep 1959 4-Month	73.2°F (22.9°C)	71.5°F (21.9°C)	1.7°F (1.0°C)	109th Coolest	Coolest since: 1958	1927
	73.2°F (22.9°C)	71.5°F (21.9°C)	1.7°F (1.0°C)	20th Warmest	Warmest since: 1943	2010
	Ties: 1925, 1934, 1943, 1998, 1999
May–Sep 1959 5-Month	71.7°F (22.1°C)	69.7°F (20.9°C)	2.0°F (1.2°C)	114th Coolest	Coolest since: 1958	1907, 1967
	71.7°F (22.1°C)	69.7°F (20.9°C)	2.0°F (1.2°C)	15th Warmest	Warmest since: 1930	2010
	Ties: 2007
Apr–Sep 1959 6-Month	69.0°F (20.6°C)	66.7°F (19.3°C)	2.3°F (1.3°C)	120th Coolest	Coolest since: 1958	1907
	69.0°F (20.6°C)	66.7°F (19.3°C)	2.3°F (1.3°C)	9th Warmest	Warmest to Date	2010
	Ties: 2016, 2021
Mar–Sep 1959 7-Month	65.1°F (18.4°C)	63.3°F (17.4°C)	1.8°F (1.0°C)	113th Coolest	Coolest since: 1958	1924
	65.1°F (18.4°C)	63.3°F (17.4°C)	1.8°F (1.0°C)	16th Warmest	Warmest since: 1921	2010
	Ties: 2017
Feb–Sep 1959 8-Month	61.3°F (16.3°C)	59.6°F (15.3°C)	1.7°F (1.0°C)	112th Coolest	Coolest since: 1958	1907
	61.3°F (16.3°C)	59.6°F (15.3°C)	1.7°F (1.0°C)	17th Warmest	Warmest since: 1921	2012
	Ties: 2006
Jan–Sep 1959 9-Month	58.0°F (14.4°C)	56.6°F (13.7°C)	1.4°F (0.7°C)	106th Coolest	Coolest since: 1958	1940
	58.0°F (14.4°C)	56.6°F (13.7°C)	1.4°F (0.7°C)	23rd Warmest	Warmest since: 1953	2012
	Ties: 1939, 2005
Dec 1958–Sep 1959 10-Month	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1958	1904
	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1957	2012
	Ties: 1900, 1906, 1980, 1988, 2015
Nov 1958–Sep 1959 11-Month	54.3°F (12.4°C)	53.6°F (12.0°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1958	1904
	54.3°F (12.4°C)	53.6°F (12.0°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1957	2012
	Ties: 1988, 1989
Oct 1958–Sep 1959 12-Month	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1958	1904
	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	48th Warmest	Warmest since: 1957	2012
	Ties: 2009
Apr 1958–Sep 1959 18-Month	58.3°F (14.6°C)	58.1°F (14.5°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1958	1904, 1918
	58.3°F (14.6°C)	58.1°F (14.5°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1957	2012
	Ties: 1898, 1923, 1938, 1980, 1994, 2014
Oct 1957–Sep 1959 24-Month	53.4°F (11.9°C)	53.8°F (12.1°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1941	1905
	53.4°F (11.9°C)	53.8°F (12.1°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1958	2017
	Ties: 1911, 1920, 1997
Oct 1956–Sep 1959 36-Month	54.0°F (12.2°C)	53.8°F (12.1°C)	0.2°F (0.1°C)	65th Coolest	Coolest since: 1958	1905, 1918
	54.0°F (12.2°C)	53.8°F (12.1°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1957	2018
	Ties: 1973, 1996
Oct 1955–Sep 1959 48-Month	53.7°F (12.1°C)	53.7°F (12.1°C)	0.0°F (0.0°C)	48th Coolest	Coolest since: 1958	1905
	53.7°F (12.1°C)	53.7°F (12.1°C)	0.0°F (0.0°C)	77th Warmest	Warmest since: 1958	2019
	Ties: 1900, 1925, 1938, 1940, 1958, 1973, 1983
Oct 1954–Sep 1959 60-Month	53.9°F (12.2°C)	53.7°F (12.1°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1948	1905, 1908
	53.9°F (12.2°C)	53.7°F (12.1°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1958	2020
	Ties: 1939, 1942, 1943, 1974

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