Statewide Rankings

Statewide Data Info
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 2015

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2015
1-Month 		60.7°F
(15.9°C)		 56.3°F
(13.5°C)		 4.4°F
(2.4°C)		 122nd Coolest
Coolest since:
 1914, 1918
7th Warmest
Warmest since:
 2018
Ties: 1931
Aug–Sep 2015
2-Month 		61.9°F
(16.6°C)		 59.6°F
(15.3°C)		 2.3°F
(1.3°C)		 107th Coolest
Coolest since:
 1963
22nd Warmest
Warmest since:
 2018
Ties: 1911, 1973, 1998, 2009
Jul–Sep 2015
3-Month 		63.4°F
(17.4°C)		 61.3°F
(16.3°C)		 2.1°F
(1.1°C)		 110th Coolest
Coolest since:
 1963
19th Warmest
Warmest since:
 2018
Ties: 1901
Jun–Sep 2015
4-Month 		63.6°F
(17.6°C)		 60.9°F
(16.1°C)		 2.7°F
(1.5°C)		 118th Coolest
Coolest since:
 1927
11th Warmest
Warmest since:
 2018
May–Sep 2015
5-Month 		62.1°F
(16.7°C)		 58.9°F
(14.9°C)		 3.2°F
(1.8°C)		 123rd Coolest
Coolest since:
 1963, 1967
6th Warmest
Warmest since:
 2018
Apr–Sep 2015
6-Month 		58.8°F
(14.9°C)		 55.8°F
(13.2°C)		 3.0°F
(1.7°C)		 122nd Coolest
Coolest since:
 1907, 1927
7th Warmest
Warmest since:
 2018
Ties: 2012, 2017
Mar–Sep 2015
7-Month 		54.5°F
(12.5°C)		 52.5°F
(11.4°C)		 2.0°F
(1.1°C)		 112th Coolest
Coolest since:
 1967
17th Warmest
Warmest since:
 2010
Feb–Sep 2015
8-Month 		49.6°F
(9.8°C)		 49.0°F
(9.4°C)		 0.6°F
(0.4°C)		 81st Coolest
Coolest since:
 1907, 1963
48th Warmest
Warmest since:
 2012
Ties: 1906, 1911, 1988, 2001
Jan–Sep 2015
9-Month 		46.6°F
(8.1°C)		 46.2°F
(7.9°C)		 0.4°F
(0.2°C)		 71st Coolest
Coolest since:
 1940
58th Warmest
Warmest since:
 2012
Ties: 1896, 1900, 1925
Dec 2014–Sep 2015
10-Month 		45.2°F
(7.3°C)		 44.3°F
(6.8°C)		 0.9°F
(0.5°C)		 88th Coolest
Coolest since:
 1904
40th Warmest
Warmest since:
 2012
Ties: 1913, 1919, 1937, 1938, 1942, 1955, 1985, 1990
Nov 2014–Sep 2015
11-Month 		44.1°F
(6.7°C)		 43.4°F
(6.3°C)		 0.7°F
(0.4°C)		 81st Coolest
Coolest since:
 1904
47th Warmest
Warmest since:
 2012
Ties: 1906, 1938, 1955, 1985
Oct 2014–Sep 2015
12-Month 		44.4°F
(6.9°C)		 43.5°F
(6.4°C)		 0.9°F
(0.5°C)		 87th Coolest
Coolest since:
 1918
41st Warmest
Warmest since:
 2012
Ties: 1919, 1939, 1952, 1990, 2003
Apr 2014–Sep 2015
18-Month 		48.5°F
(9.2°C)		 47.6°F
(8.7°C)		 0.9°F
(0.5°C)		 91st Coolest
Coolest since:
 1918
37th Warmest
Warmest since:
 2012
Oct 2013–Sep 2015
24-Month 		43.9°F
(6.6°C)		 43.5°F
(6.4°C)		 0.4°F
(0.2°C)		 73rd Coolest
Coolest since:
 1905
54th Warmest
Warmest since:
 2017
Ties: 1898, 1899, 1958
Oct 2012–Sep 2015
36-Month 		44.4°F
(6.9°C)		 43.5°F
(6.4°C)		 0.9°F
(0.5°C)		 94th Coolest
Coolest since:
 1918
32nd Warmest
Warmest since:
 2018, 2021
Ties: 1998
Oct 2011–Sep 2015
48-Month 		45.2°F
(7.3°C)		 43.5°F
(6.4°C)		 1.7°F
(0.9°C)		 109th Coolest
Coolest since:
 1905
16th Warmest
Warmest since:
 2019, 2020
Ties: 2006
Oct 2010–Sep 2015
60-Month 		45.3°F
(7.4°C)		 43.5°F
(6.4°C)		 1.8°F
(1.0°C)		 109th Coolest
Coolest since:
 1967
15th Warmest
Warmest since:
 2020
Ties: 2009

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