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 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1939 1-Month	64.6°F (18.1°C)	64.1°F (17.8°C)	0.5°F (0.3°C)	67th Coolest	Coolest since: 1938	1911
	64.6°F (18.1°C)	64.1°F (17.8°C)	0.5°F (0.3°C)	62nd Warmest	Warmest since: 1937	1971, 2003
	Ties: 1947, 1948, 1979
Jul–Aug 1939 2-Month	66.5°F (19.2°C)	64.9°F (18.3°C)	1.6°F (0.9°C)	101st Coolest	Coolest since: 1938	1993
	66.5°F (19.2°C)	64.9°F (18.3°C)	1.6°F (0.9°C)	28th Warmest	Warmest since: 1937	2003
	Ties: 1931, 1934, 2020
Jun–Aug 1939 3-Month	62.4°F (16.9°C)	62.7°F (17.1°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1928	1993
	62.4°F (16.9°C)	62.7°F (17.1°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1938	1936
	Ties: 1913, 1966, 1972
May–Aug 1939 4-Month	60.4°F (15.8°C)	59.6°F (15.3°C)	0.8°F (0.5°C)	86th Coolest	Coolest since: 1938	1907
May–Aug 1939 4-Month	60.4°F (15.8°C)	59.6°F (15.3°C)	0.8°F (0.5°C)	43rd Warmest	Warmest since: 1937	1936
Apr–Aug 1939 5-Month	57.1°F (13.9°C)	55.8°F (13.2°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1938	1907
	57.1°F (13.9°C)	55.8°F (13.2°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 1937	1936, 1988
	Ties: 1897, 1932
Mar–Aug 1939 6-Month	52.7°F (11.5°C)	51.4°F (10.8°C)	1.3°F (0.7°C)	96th Coolest	Coolest since: 1938	1899
Mar–Aug 1939 6-Month	52.7°F (11.5°C)	51.4°F (10.8°C)	1.3°F (0.7°C)	33rd Warmest	Warmest since: 1936	1988
Feb–Aug 1939 7-Month	46.9°F (8.3°C)	47.1°F (8.4°C)	-0.2°F (-0.1°C)	59th Coolest	Coolest since: 1938	1899
	46.9°F (8.3°C)	47.1°F (8.4°C)	-0.2°F (-0.1°C)	70th Warmest	Warmest since: 1937	2016
	Ties: 1915, 1953, 1954, 1964, 1966, 2009
Jan–Aug 1939 8-Month	44.3°F (6.8°C)	43.3°F (6.3°C)	1.0°F (0.5°C)	85th Coolest	Coolest since: 1938	1899
Jan–Aug 1939 8-Month	44.3°F (6.8°C)	43.3°F (6.3°C)	1.0°F (0.5°C)	44th Warmest	Warmest since: 1934	1934
Dec 1938–Aug 1939 9-Month	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	89th Coolest	Coolest since: 1938	1899
	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	39th Warmest	Warmest since: 1934	2012
	Ties: 1963, 2022
Nov 1938–Aug 1939 10-Month	40.6°F (4.8°C)	39.7°F (4.3°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1938	1899
	40.6°F (4.8°C)	39.7°F (4.3°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1934	2000
	Ties: 1970
Oct 1938–Aug 1939 11-Month	41.0°F (5.0°C)	40.0°F (4.4°C)	1.0°F (0.6°C)	87th Coolest	Coolest since: 1938	1899
	41.0°F (5.0°C)	40.0°F (4.4°C)	1.0°F (0.6°C)	41st Warmest	Warmest since: 1934	2000, 2016
	Ties: 1908
Sep 1938–Aug 1939 12-Month	42.7°F (5.9°C)	41.1°F (5.1°C)	1.6°F (0.8°C)	96th Coolest	Coolest since: 1938	1899
	42.7°F (5.9°C)	41.1°F (5.1°C)	1.6°F (0.8°C)	32nd Warmest	Warmest since: 1934	2016
	Ties: 1958, 1964, 1977
Mar 1938–Aug 1939 18-Month	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1938	1899
	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 1935	2016
	Ties: 1935, 1958, 1977, 1990, 2001, 2018
Sep 1937–Aug 1939 24-Month	42.3°F (5.7°C)	41.1°F (5.1°C)	1.2°F (0.6°C)	95th Coolest	Coolest since: 1938	1917
	42.3°F (5.7°C)	41.1°F (5.1°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 1935	2016
	Ties: 1926, 1954, 1984, 2018
Sep 1936–Aug 1939 36-Month	41.5°F (5.3°C)	41.1°F (5.1°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1938	1899, 1952
	41.5°F (5.3°C)	41.1°F (5.1°C)	0.4°F (0.2°C)	48th Warmest	Warmest since: 1936	2017
	Ties: 1959, 1981, 1984, 1985, 2010
Sep 1935–Aug 1939 48-Month	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1938	1952
	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1937	2017, 2018
	Ties: 1903, 1927, 1948, 1955, 1956, 1960, 1962, 1966, 1976, 1997
Sep 1934–Aug 1939 60-Month	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1933	1952
	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	60th Warmest	Warmest since: 1938	2016
	Ties: 1933, 1958, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings