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, July 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
July 1989 1-Month	68.8°F (20.4°C)	65.7°F (18.7°C)	3.1°F (1.7°C)	114th Coolest	Coolest since: 1988	1993
July 1989 1-Month	68.8°F (20.4°C)	65.7°F (18.7°C)	3.1°F (1.7°C)	15th Warmest	Warmest since: 1985	1936
Jun–Jul 1989 2-Month	63.8°F (17.7°C)	62.0°F (16.7°C)	1.8°F (1.0°C)	105th Coolest	Coolest since: 1987	1915
	63.8°F (17.7°C)	62.0°F (16.7°C)	1.8°F (1.0°C)	24th Warmest	Warmest since: 1988	2021
	Ties: 1937, 2022
May–Jul 1989 3-Month	59.2°F (15.1°C)	58.1°F (14.5°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1986	1915
	59.2°F (15.1°C)	58.1°F (14.5°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1988	1936
	Ties: 1897
Apr–Jul 1989 4-Month	54.6°F (12.6°C)	53.7°F (12.1°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1986	1907
	54.6°F (12.6°C)	53.7°F (12.1°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1988	1988
	Ties: 1946
Mar–Jul 1989 5-Month	49.0°F (9.4°C)	48.9°F (9.4°C)	0.1°F (0.0°C)	62nd Coolest	Coolest since: 1983	1899
	49.0°F (9.4°C)	48.9°F (9.4°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1988	1910
	Ties: 1928, 1956, 1960, 1999, 2022
Feb–Jul 1989 6-Month	42.4°F (5.8°C)	44.3°F (6.8°C)	-1.9°F (-1.0°C)	19th Coolest	Coolest since: 1982	1899
	42.4°F (5.8°C)	44.3°F (6.8°C)	-1.9°F (-1.0°C)	110th Warmest	Warmest since: 1988	2016
	Ties: 1920
Jan–Jul 1989 7-Month	39.4°F (4.1°C)	40.3°F (4.6°C)	-0.9°F (-0.5°C)	39th Coolest	Coolest since: 1982	1899
	39.4°F (4.1°C)	40.3°F (4.6°C)	-0.9°F (-0.5°C)	90th Warmest	Warmest since: 1988	1934
	Ties: 1902, 1952, 1972
Dec 1988–Jul 1989 8-Month	37.4°F (3.0°C)	37.9°F (3.3°C)	-0.5°F (-0.3°C)	47th Coolest	Coolest since: 1982	1899
	37.4°F (3.0°C)	37.9°F (3.3°C)	-0.5°F (-0.3°C)	81st Warmest	Warmest since: 1988	1992
	Ties: 1902, 1935, 1997
Nov 1988–Jul 1989 9-Month	36.6°F (2.6°C)	37.0°F (2.8°C)	-0.4°F (-0.2°C)	49th Coolest	Coolest since: 1982	1899
	36.6°F (2.6°C)	37.0°F (2.8°C)	-0.4°F (-0.2°C)	79th Warmest	Warmest since: 1988	1934
	Ties: 1967
Oct 1988–Jul 1989 10-Month	37.6°F (3.1°C)	37.6°F (3.1°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1985	1899
	37.6°F (3.1°C)	37.6°F (3.1°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1988	2016
	Ties: 1930, 1945, 1970, 2001
Sep 1988–Jul 1989 11-Month	39.1°F (3.9°C)	39.1°F (3.9°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1986	1899
	39.1°F (3.9°C)	39.1°F (3.9°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1988	2016
	Ties: 1918, 2001, 2018
Aug 1988–Jul 1989 12-Month	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1986	1899, 1917
	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1988	2016
	Ties: 1901, 1905, 1935, 2010, 2018
Feb 1988–Jul 1989 18-Month	43.8°F (6.6°C)	42.2°F (5.7°C)	1.6°F (0.9°C)	103rd Coolest	Coolest since: 1986	1899
	43.8°F (6.6°C)	42.2°F (5.7°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1988	2016
	Ties: 1935, 1961, 2004
Aug 1987–Jul 1989 24-Month	42.7°F (5.9°C)	41.1°F (5.1°C)	1.6°F (0.8°C)	104th Coolest	Coolest since: 1987	1917
	42.7°F (5.9°C)	41.1°F (5.1°C)	1.6°F (0.8°C)	23rd Warmest	Warmest since: 1988	2016
	Ties: 1991, 2003, 2012
Aug 1986–Jul 1989 36-Month	43.1°F (6.2°C)	41.1°F (5.1°C)	2.0°F (1.1°C)	115th Coolest	Coolest since: 1988	1899, 1952
Aug 1986–Jul 1989 36-Month	43.1°F (6.2°C)	41.1°F (5.1°C)	2.0°F (1.1°C)	11th Warmest	Warmest to Date	2017
Aug 1985–Jul 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	2007, 2017, 2018
	Ties: 1942, 2014, 2019
Aug 1984–Jul 1989 60-Month	42.1°F (5.6°C)	41.1°F (5.1°C)	1.0°F (0.5°C)	92nd Coolest	Coolest since: 1987	1952
	42.1°F (5.6°C)	41.1°F (5.1°C)	1.0°F (0.5°C)	32nd Warmest	Warmest since: 1988	2016
	Ties: 1995, 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings