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 1989

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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 1989 1-Month	63.1°F (17.3°C)	64.1°F (17.8°C)	-1.0°F (-0.5°C)	44th Coolest	Coolest since: 1987	1911
	63.1°F (17.3°C)	64.1°F (17.8°C)	-1.0°F (-0.5°C)	85th Warmest	Warmest since: 1988	1971, 2003
	Ties: 1917, 1965
Jul–Aug 1989 2-Month	66.0°F (18.9°C)	64.9°F (18.3°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 1987	1993
	66.0°F (18.9°C)	64.9°F (18.3°C)	1.1°F (0.6°C)	43rd Warmest	Warmest since: 1988	2003
	Ties: 1949
Jun–Aug 1989 3-Month	63.6°F (17.6°C)	62.7°F (17.1°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1987	1993
	63.6°F (17.6°C)	62.7°F (17.1°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1988	1936
	Ties: 1960
May–Aug 1989 4-Month	60.2°F (15.7°C)	59.6°F (15.3°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1983	1907
	60.2°F (15.7°C)	59.6°F (15.3°C)	0.6°F (0.4°C)	46th Warmest	Warmest since: 1988	1936
	Ties: 1973, 1983, 1997
Apr–Aug 1989 5-Month	56.3°F (13.5°C)	55.8°F (13.2°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1983	1907
	56.3°F (13.5°C)	55.8°F (13.2°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1988	1936, 1988
	Ties: 1946, 1990
Mar–Aug 1989 6-Month	51.4°F (10.8°C)	51.4°F (10.8°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1982	1899
	51.4°F (10.8°C)	51.4°F (10.8°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1988	1988
	Ties: 1959, 1974, 1997
Feb–Aug 1989 7-Month	45.4°F (7.4°C)	47.1°F (8.4°C)	-1.7°F (-1.0°C)	18th Coolest	Coolest since: 1982	1899
	45.4°F (7.4°C)	47.1°F (8.4°C)	-1.7°F (-1.0°C)	111th Warmest	Warmest since: 1988	2016
	Ties: 1895
Jan–Aug 1989 8-Month	42.4°F (5.8°C)	43.3°F (6.3°C)	-0.9°F (-0.5°C)	40th Coolest	Coolest since: 1982	1899
	42.4°F (5.8°C)	43.3°F (6.3°C)	-0.9°F (-0.5°C)	89th Warmest	Warmest since: 1988	1934
	Ties: 1896, 1952, 1954, 1996
Dec 1988–Aug 1989 9-Month	40.2°F (4.6°C)	40.8°F (4.9°C)	-0.6°F (-0.3°C)	43rd Coolest	Coolest since: 1985	1899
	40.2°F (4.6°C)	40.8°F (4.9°C)	-0.6°F (-0.3°C)	85th Warmest	Warmest since: 1988	2012
	Ties: 1905, 1959, 1985
Nov 1988–Aug 1989 10-Month	39.3°F (4.1°C)	39.7°F (4.3°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1985	1899
	39.3°F (4.1°C)	39.7°F (4.3°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest since: 1988	2000
	Ties: 1915, 1945
Oct 1988–Aug 1989 11-Month	40.0°F (4.4°C)	40.0°F (4.4°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1985	1899
	40.0°F (4.4°C)	40.0°F (4.4°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1988	2000, 2016
	Ties: 1942, 1948, 1967, 2018
Sep 1988–Aug 1989 12-Month	41.1°F (5.1°C)	41.1°F (5.1°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1986	1899
	41.1°F (5.1°C)	41.1°F (5.1°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1988	2016
	Ties: 1930, 1932, 1948
Mar 1988–Aug 1989 18-Month	45.9°F (7.7°C)	44.6°F (7.0°C)	1.3°F (0.7°C)	98th Coolest	Coolest since: 1986	1899
	45.9°F (7.7°C)	44.6°F (7.0°C)	1.3°F (0.7°C)	30th Warmest	Warmest since: 1988	2016
	Ties: 1964
Sep 1987–Aug 1989 24-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	105th Coolest	Coolest since: 1987	1917
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	22nd Warmest	Warmest since: 1988	2016
	Ties: 2003, 2005, 2012
Sep 1986–Aug 1989 36-Month	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	113th Coolest	Coolest since: 1988	1899, 1952
	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	13th Warmest	Warmest since: 1988	2017
	Ties: 1988, 2005
Sep 1985–Aug 1989 48-Month	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	106th Coolest	Coolest since: 1988	1952
	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	19th Warmest	Warmest since: 1942	2017, 2018
	Ties: 1942, 2013, 2014, 2019
Sep 1984–Aug 1989 60-Month	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1987	1952
	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1988	2016
	Ties: 1943, 1999, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings