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.

Montana

Average Temperature Rankings, August 1998

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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
August 1998 1-Month	68.1°F (20.1°C)	64.1°F (17.8°C)	4.0°F (2.3°C)	121st Coolest	Coolest since: 1997	1911
August 1998 1-Month	68.1°F (20.1°C)	64.1°F (17.8°C)	4.0°F (2.3°C)	8th Warmest	Warmest since: 1991	1971, 2003
Jul–Aug 1998 2-Month	68.6°F (20.3°C)	64.9°F (18.3°C)	3.7°F (2.0°C)	123rd Coolest	Coolest since: 1997	1993
	68.6°F (20.3°C)	64.9°F (18.3°C)	3.7°F (2.0°C)	6th Warmest	Warmest since: 1936	2003
	Ties: 2017, 2021
Jun–Aug 1998 3-Month	63.9°F (17.7°C)	62.7°F (17.1°C)	1.2°F (0.6°C)	97th Coolest	Coolest since: 1997	1993
	63.9°F (17.7°C)	62.7°F (17.1°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 1996	1936
	Ties: 1934, 1994
May–Aug 1998 4-Month	61.1°F (16.2°C)	59.6°F (15.3°C)	1.5°F (0.9°C)	103rd Coolest	Coolest since: 1997	1907
	61.1°F (16.2°C)	59.6°F (15.3°C)	1.5°F (0.9°C)	26th Warmest	Warmest since: 1994	1936
	Ties: 1930
Apr–Aug 1998 5-Month	57.6°F (14.2°C)	55.8°F (13.2°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1997	1907
	57.6°F (14.2°C)	55.8°F (13.2°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 1994	1936, 1988
	Ties: 1940, 1994, 2000
Mar–Aug 1998 6-Month	52.8°F (11.6°C)	51.4°F (10.8°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1997	1899
	52.8°F (11.6°C)	51.4°F (10.8°C)	1.4°F (0.8°C)	30th Warmest	Warmest since: 1994	1988
	Ties: 1933, 1949
Feb–Aug 1998 7-Month	49.6°F (9.8°C)	47.1°F (8.4°C)	2.5°F (1.4°C)	112th Coolest	Coolest since: 1997	1899
Feb–Aug 1998 7-Month	49.6°F (9.8°C)	47.1°F (8.4°C)	2.5°F (1.4°C)	17th Warmest	Warmest since: 1992	2016
Jan–Aug 1998 8-Month	45.8°F (7.7°C)	43.3°F (6.3°C)	2.5°F (1.4°C)	108th Coolest	Coolest since: 1997	1899
Jan–Aug 1998 8-Month	45.8°F (7.7°C)	43.3°F (6.3°C)	2.5°F (1.4°C)	21st Warmest	Warmest since: 1992	1934
Dec 1997–Aug 1998 9-Month	43.6°F (6.4°C)	40.8°F (4.9°C)	2.8°F (1.5°C)	111th Coolest	Coolest since: 1997	1899
	43.6°F (6.4°C)	40.8°F (4.9°C)	2.8°F (1.5°C)	17th Warmest	Warmest since: 1992	2012
	Ties: 1983
Nov 1997–Aug 1998 10-Month	42.3°F (5.7°C)	39.7°F (4.3°C)	2.6°F (1.4°C)	110th Coolest	Coolest since: 1997	1899
	42.3°F (5.7°C)	39.7°F (4.3°C)	2.6°F (1.4°C)	18th Warmest	Warmest since: 1992	2000
	Ties: 1900
Oct 1997–Aug 1998 11-Month	42.4°F (5.8°C)	40.0°F (4.4°C)	2.4°F (1.4°C)	113th Coolest	Coolest since: 1997	1899
	42.4°F (5.8°C)	40.0°F (4.4°C)	2.4°F (1.4°C)	15th Warmest	Warmest since: 1992	2000, 2016
	Ties: 2003, 2005, 2017
Sep 1997–Aug 1998 12-Month	43.7°F (6.5°C)	41.1°F (5.1°C)	2.6°F (1.4°C)	115th Coolest	Coolest since: 1997	1899
	43.7°F (6.5°C)	41.1°F (5.1°C)	2.6°F (1.4°C)	13th Warmest	Warmest since: 1992	2016
	Ties: 1931
Mar 1997–Aug 1998 18-Month	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1997	1899
	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	21st Warmest	Warmest since: 1992	2016
	Ties: 1940, 2008
Sep 1996–Aug 1998 24-Month	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 1997	1917
Sep 1996–Aug 1998 24-Month	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	44th Warmest	Warmest since: 1995	2016
Sep 1995–Aug 1998 36-Month	41.4°F (5.2°C)	41.1°F (5.1°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1997	1899, 1952
	41.4°F (5.2°C)	41.1°F (5.1°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1996	2017
	Ties: 1921, 1931, 1943, 1960, 1965, 1978, 1987
Sep 1994–Aug 1998 48-Month	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	80th Coolest	Coolest since: 1997	1952
	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	45th Warmest	Warmest since: 1995	2017, 2018
	Ties: 1937, 1977
Sep 1993–Aug 1998 60-Month	41.7°F (5.4°C)	41.1°F (5.1°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1997	1952
	41.7°F (5.4°C)	41.1°F (5.1°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 1996	2016
	Ties: 1936, 1985, 1996

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