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 1966

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1966 1-Month	62.4°F (16.9°C)	64.1°F (17.8°C)	-1.7°F (-0.9°C)	34th Coolest	Coolest since: 1964	1911
	62.4°F (16.9°C)	64.1°F (17.8°C)	-1.7°F (-0.9°C)	95th Warmest	Warmest since: 1965	1971, 2003
	Ties: 1914, 2004
Jul–Aug 1966 2-Month	65.1°F (18.4°C)	64.9°F (18.3°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1965	1993
	65.1°F (18.4°C)	64.9°F (18.3°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1963	2003
	Ties: 1898, 1954
Jun–Aug 1966 3-Month	62.4°F (16.9°C)	62.7°F (17.1°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1965	1993
	62.4°F (16.9°C)	62.7°F (17.1°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1963	1936
	Ties: 1913, 1939, 1972
May–Aug 1966 4-Month	59.9°F (15.5°C)	59.6°F (15.3°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1965	1907
	59.9°F (15.5°C)	59.6°F (15.3°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1961	1936
	Ties: 1923, 1976
Apr–Aug 1966 5-Month	55.4°F (13.0°C)	55.8°F (13.2°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1965	1907
	55.4°F (13.0°C)	55.8°F (13.2°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1964	1936, 1988
	Ties: 1943, 1964, 1972, 1997, 2004
Mar–Aug 1966 6-Month	51.5°F (10.8°C)	51.4°F (10.8°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1965	1899
Mar–Aug 1966 6-Month	51.5°F (10.8°C)	51.4°F (10.8°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1963	1988
Feb–Aug 1966 7-Month	46.9°F (8.3°C)	47.1°F (8.4°C)	-0.2°F (-0.1°C)	59th Coolest	Coolest since: 1965	1899
	46.9°F (8.3°C)	47.1°F (8.4°C)	-0.2°F (-0.1°C)	70th Warmest	Warmest since: 1964	2016
	Ties: 1915, 1939, 1953, 1954, 1964, 2009
Jan–Aug 1966 8-Month	42.6°F (5.9°C)	43.3°F (6.3°C)	-0.7°F (-0.4°C)	45th Coolest	Coolest since: 1965	1899
	42.6°F (5.9°C)	43.3°F (6.3°C)	-0.7°F (-0.4°C)	84th Warmest	Warmest since: 1964	1934
	Ties: 1935
Dec 1965–Aug 1966 9-Month	40.6°F (4.8°C)	40.8°F (4.9°C)	-0.2°F (-0.1°C)	54th Coolest	Coolest since: 1965	1899
	40.6°F (4.8°C)	40.8°F (4.9°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 1964	2012
	Ties: 1897, 1942, 1945, 1947, 1954, 1971
Nov 1965–Aug 1966 10-Month	39.6°F (4.2°C)	39.7°F (4.3°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest since: 1965	1899
	39.6°F (4.2°C)	39.7°F (4.3°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1964	2000
	Ties: 1967, 2014
Oct 1965–Aug 1966 11-Month	40.3°F (4.6°C)	40.0°F (4.4°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1965	1899
	40.3°F (4.6°C)	40.0°F (4.4°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1964	2000, 2016
	Ties: 1930, 1986, 2009
Sep 1965–Aug 1966 12-Month	40.6°F (4.8°C)	41.1°F (5.1°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1965	1899
	40.6°F (4.8°C)	41.1°F (5.1°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1964	2016
	Ties: 1996
Mar 1965–Aug 1966 18-Month	43.2°F (6.2°C)	44.5°F (6.9°C)	-1.3°F (-0.7°C)	18th Coolest	Coolest since: 1965	1899
	43.2°F (6.2°C)	44.5°F (6.9°C)	-1.3°F (-0.7°C)	110th Warmest	Warmest since: 1964	2016
	Ties: 1929
Sep 1964–Aug 1966 24-Month	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	14th Coolest	Coolest since: 1952	1917
Sep 1964–Aug 1966 24-Month	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	113th Warmest	Warmest since: 1965	2016
Sep 1963–Aug 1966 36-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	34th Coolest	Coolest since: 1957	1899, 1952
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	92nd Warmest	Warmest since: 1965	2017
	Ties: 1908, 1911, 1915, 1928, 1938, 1969, 1970
Sep 1962–Aug 1966 48-Month	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1965	1952
	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	57th Warmest	Warmest since: 1964	2017, 2018
	Ties: 1903, 1927, 1939, 1948, 1955, 1956, 1960, 1962, 1976, 1997
Sep 1961–Aug 1966 60-Month	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1960	1952
	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1965	2016
	Ties: 1910, 1922, 1923, 1956, 1960, 1971, 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings