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, June 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
June 1989 1-Month	58.8°F (14.9°C)	58.3°F (14.6°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1985	1951
June 1989 1-Month	58.8°F (14.9°C)	58.3°F (14.6°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1988	1988
May–Jun 1989 2-Month	54.4°F (12.4°C)	54.3°F (12.4°C)	0.1°F (0.0°C)	70th Coolest	Coolest since: 1984	1907
	54.4°F (12.4°C)	54.3°F (12.4°C)	0.1°F (0.0°C)	59th Warmest	Warmest since: 1988	1988
	Ties: 1939
Apr–Jun 1989 3-Month	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1984	1975
	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1988	1988
	Ties: 1914
Mar–Jun 1989 4-Month	44.1°F (6.7°C)	44.7°F (7.1°C)	-0.6°F (-0.4°C)	50th Coolest	Coolest since: 1982	1899
	44.1°F (6.7°C)	44.7°F (7.1°C)	-0.6°F (-0.4°C)	79th Warmest	Warmest since: 1988	1910
	Ties: 1969
Feb–Jun 1989 5-Month	37.2°F (2.9°C)	40.0°F (4.4°C)	-2.8°F (-1.5°C)	13th Coolest	Coolest since: 1975	1899
	37.2°F (2.9°C)	40.0°F (4.4°C)	-2.8°F (-1.5°C)	116th Warmest	Warmest since: 1988	2016
	Ties: 2011
Jan–Jun 1989 6-Month	34.5°F (1.4°C)	36.1°F (2.3°C)	-1.6°F (-0.9°C)	29th Coolest	Coolest since: 1982	1899
	34.5°F (1.4°C)	36.1°F (2.3°C)	-1.6°F (-0.9°C)	100th Warmest	Warmest since: 1988	1992
	Ties: 1996
Dec 1988–Jun 1989 7-Month	32.9°F (0.5°C)	33.9°F (1.1°C)	-1.0°F (-0.6°C)	38th Coolest	Coolest since: 1982	1917
Dec 1988–Jun 1989 7-Month	32.9°F (0.5°C)	33.9°F (1.1°C)	-1.0°F (-0.6°C)	90th Warmest	Warmest since: 1988	1992
Nov 1988–Jun 1989 8-Month	32.6°F (0.3°C)	33.4°F (0.8°C)	-0.8°F (-0.5°C)	42nd Coolest	Coolest since: 1982	1899
	32.6°F (0.3°C)	33.4°F (0.8°C)	-0.8°F (-0.5°C)	86th Warmest	Warmest since: 1988	1992
	Ties: 1971
Oct 1988–Jun 1989 9-Month	34.2°F (1.2°C)	34.5°F (1.4°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1985	1899
	34.2°F (1.2°C)	34.5°F (1.4°C)	-0.3°F (-0.2°C)	76th Warmest	Warmest since: 1988	2016
	Ties: 1930
Sep 1988–Jun 1989 10-Month	36.1°F (2.3°C)	36.4°F (2.4°C)	-0.3°F (-0.1°C)	49th Coolest	Coolest since: 1985	1899
	36.1°F (2.3°C)	36.4°F (2.4°C)	-0.3°F (-0.1°C)	79th Warmest	Warmest since: 1988	2016
	Ties: 1942, 1955
Aug 1988–Jun 1989 11-Month	38.8°F (3.8°C)	38.9°F (3.8°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 1986	1917
	38.8°F (3.8°C)	38.9°F (3.8°C)	-0.1°F (0.0°C)	74th Warmest	Warmest since: 1988	2016
	Ties: 1901, 1924
Jul 1988–Jun 1989 12-Month	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1986	1917
	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1988	2016
	Ties: 1932
Jan 1988–Jun 1989 18-Month	40.9°F (4.9°C)	39.5°F (4.2°C)	1.4°F (0.7°C)	99th Coolest	Coolest since: 1986	1917
	40.9°F (4.9°C)	39.5°F (4.2°C)	1.4°F (0.7°C)	29th Warmest	Warmest since: 1988	2016
	Ties: 1961, 1984, 1995, 1998, 2001
Jul 1987–Jun 1989 24-Month	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	100th Coolest	Coolest since: 1987	1917
	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	27th Warmest	Warmest since: 1988	2016
	Ties: 1931, 1993
Jul 1986–Jun 1989 36-Month	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	112th Coolest	Coolest since: 1988	1899
	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1988	2017
	Ties: 1988, 2022
Jul 1985–Jun 1989 48-Month	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	104th Coolest	Coolest since: 1988	1899, 1952
	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	21st Warmest	Warmest since: 1942	2007, 2016, 2018
	Ties: 1942, 2004
Jul 1984–Jun 1989 60-Month	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1987	1917, 1952
	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1988	2016
	Ties: 1943, 1944, 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings