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

Average Temperature Rankings, September 1998

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1998
1-Month		71.5°F
(21.9°C)		67.0°F
(19.4°C)		4.5°F
(2.5°C)		122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2018
Ties: 2016
Aug–Sep 1998
2-Month		73.3°F
(22.9°C)		70.1°F
(21.2°C)		3.2°F
(1.7°C)		121st Coolest
Coolest since:
1940, 1963
8th Warmest
Warmest since:
2018
Ties: 2002, 2010
Jul–Sep 1998
3-Month		74.0°F
(23.3°C)		71.8°F
(22.1°C)		2.2°F
(1.2°C)		112th Coolest
Coolest since:
1962
17th Warmest
Warmest since:
2016
Jun–Sep 1998
4-Month		73.2°F
(22.9°C)		71.5°F
(21.9°C)		1.7°F
(1.0°C)		109th Coolest
Coolest since:
1927
20th Warmest
Warmest since:
2010
Ties: 1925, 1934, 1943, 1959, 1999
May–Sep 1998
5-Month		71.6°F
(22.0°C)		69.7°F
(20.9°C)		1.9°F
(1.1°C)		112th Coolest
Coolest since:
1907, 1967
17th Warmest
Warmest since:
2010
Ties: 1944, 2004
Apr–Sep 1998
6-Month		68.8°F
(20.4°C)		66.7°F
(19.3°C)		2.1°F
(1.1°C)		117th Coolest
Coolest since:
1907
12th Warmest
Warmest since:
2010
Ties: 1900, 2017, 2022
Mar–Sep 1998
7-Month		65.4°F
(18.6°C)		63.3°F
(17.4°C)		2.1°F
(1.2°C)		118th Coolest
Coolest since:
1924
11th Warmest
Warmest since:
2010
Ties: 2004, 2020
Feb–Sep 1998
8-Month		62.3°F
(16.8°C)		59.6°F
(15.3°C)		2.7°F
(1.5°C)		118th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
2012
Ties: 2018
Jan–Sep 1998
9-Month		59.9°F
(15.5°C)		56.6°F
(13.7°C)		3.3°F
(1.8°C)		126th Coolest
Coolest since:
1940
3rd Warmest
Warmest to Date
2012
Dec 1997–Sep 1998
10-Month		57.6°F
(14.2°C)		54.5°F
(12.5°C)		3.1°F
(1.7°C)		122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 2017, 2019
Nov 1997–Sep 1998
11-Month		56.3°F
(13.5°C)		53.6°F
(12.0°C)		2.7°F
(1.5°C)		120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Ties: 2019, 2020
Oct 1997–Sep 1998
12-Month		56.3°F
(13.5°C)		53.8°F
(12.1°C)		2.5°F
(1.4°C)		118th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 1921, 2010
Apr 1997–Sep 1998
18-Month		59.4°F
(15.2°C)		58.1°F
(14.5°C)		1.3°F
(0.7°C)		105th Coolest
Coolest since:
1904, 1918
23rd Warmest
Warmest since:
2012
Oct 1996–Sep 1998
24-Month		55.1°F
(12.8°C)		53.8°F
(12.1°C)		1.3°F
(0.7°C)		102nd Coolest
Coolest since:
1905
25th Warmest
Warmest since:
2017
Ties: 1954, 1986
Oct 1995–Sep 1998
36-Month		54.4°F
(12.4°C)		53.8°F
(12.1°C)		0.6°F
(0.3°C)		85th Coolest
Coolest since:
1905, 1918
41st Warmest
Warmest since:
2018
Ties: 1921, 1949, 1950, 1985, 1986, 1995
Oct 1994–Sep 1998
48-Month		54.7°F
(12.6°C)		53.7°F
(12.1°C)		1.0°F
(0.5°C)		95th Coolest
Coolest since:
1905
30th Warmest
Warmest since:
2019
Ties: 1932, 1954, 1994, 1999
Oct 1993–Sep 1998
60-Month		54.4°F
(12.4°C)		53.7°F
(12.1°C)		0.7°F
(0.3°C)		83rd Coolest
Coolest since:
1905, 1908
41st Warmest
Warmest since:
2020
Ties: 1952, 1956, 1988

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