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 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1940 1-Month	66.2°F (19.0°C)	64.1°F (17.8°C)	2.1°F (1.2°C)	101st Coolest	Coolest since: 1939	1911
	66.2°F (19.0°C)	64.1°F (17.8°C)	2.1°F (1.2°C)	28th Warmest	Warmest since: 1936	1971, 2003
	Ties: 1898, 1919, 1955, 1973
Jul–Aug 1940 2-Month	67.1°F (19.5°C)	64.9°F (18.3°C)	2.2°F (1.2°C)	109th Coolest	Coolest since: 1939	1993
Jul–Aug 1940 2-Month	67.1°F (19.5°C)	64.9°F (18.3°C)	2.2°F (1.2°C)	20th Warmest	Warmest since: 1936	2003
Jun–Aug 1940 3-Month	65.0°F (18.3°C)	62.7°F (17.1°C)	2.3°F (1.2°C)	113th Coolest	Coolest since: 1939	1993
Jun–Aug 1940 3-Month	65.0°F (18.3°C)	62.7°F (17.1°C)	2.3°F (1.2°C)	16th Warmest	Warmest since: 1936	1936
May–Aug 1940 4-Month	62.2°F (16.8°C)	59.6°F (15.3°C)	2.6°F (1.5°C)	119th Coolest	Coolest since: 1939	1907
	62.2°F (16.8°C)	59.6°F (15.3°C)	2.6°F (1.5°C)	10th Warmest	Warmest since: 1936	1936
	Ties: 2003
Apr–Aug 1940 5-Month	57.6°F (14.2°C)	55.8°F (13.2°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1939	1907
	57.6°F (14.2°C)	55.8°F (13.2°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 1936	1936, 1988
	Ties: 1994, 1998, 2000
Mar–Aug 1940 6-Month	53.4°F (11.9°C)	51.4°F (10.8°C)	2.0°F (1.1°C)	109th Coolest	Coolest since: 1939	1899
	53.4°F (11.9°C)	51.4°F (10.8°C)	2.0°F (1.1°C)	20th Warmest	Warmest since: 1936	1988
	Ties: 1930, 1931
Feb–Aug 1940 7-Month	48.8°F (9.3°C)	47.1°F (8.4°C)	1.7°F (0.9°C)	100th Coolest	Coolest since: 1939	1899
	48.8°F (9.3°C)	47.1°F (8.4°C)	1.7°F (0.9°C)	29th Warmest	Warmest since: 1934	2016
	Ties: 1999, 2021
Jan–Aug 1940 8-Month	44.0°F (6.7°C)	43.3°F (6.3°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1938	1899
	44.0°F (6.7°C)	43.3°F (6.3°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1939	1934
	Ties: 1930, 1963
Dec 1939–Aug 1940 9-Month	42.5°F (5.8°C)	40.8°F (4.9°C)	1.7°F (0.9°C)	95th Coolest	Coolest since: 1939	1899
	42.5°F (5.8°C)	40.8°F (4.9°C)	1.7°F (0.9°C)	33rd Warmest	Warmest since: 1934	2012
	Ties: 1946, 2017
Nov 1939–Aug 1940 10-Month	41.8°F (5.4°C)	39.7°F (4.3°C)	2.1°F (1.1°C)	106th Coolest	Coolest since: 1939	1899
	41.8°F (5.4°C)	39.7°F (4.3°C)	2.1°F (1.1°C)	22nd Warmest	Warmest since: 1934	2000
	Ties: 1983, 1990, 1999
Oct 1939–Aug 1940 11-Month	41.9°F (5.5°C)	40.0°F (4.4°C)	1.9°F (1.1°C)	104th Coolest	Coolest since: 1939	1899
	41.9°F (5.5°C)	40.0°F (4.4°C)	1.9°F (1.1°C)	24th Warmest	Warmest since: 1934	2000, 2016
	Ties: 1963, 1983, 1990, 2022
Sep 1939–Aug 1940 12-Month	43.1°F (6.2°C)	41.1°F (5.1°C)	2.0°F (1.1°C)	105th Coolest	Coolest since: 1939	1899
Sep 1939–Aug 1940 12-Month	43.1°F (6.2°C)	41.1°F (5.1°C)	2.0°F (1.1°C)	23rd Warmest	Warmest since: 1934	2016
Mar 1939–Aug 1940 18-Month	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1939	1899
	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	21st Warmest	Warmest since: 1934	2016
	Ties: 1998, 2008
Sep 1938–Aug 1940 24-Month	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1939	1917
	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	16th Warmest	Warmest since: 1935	2016
	Ties: 1934, 1991, 2004, 2008, 2015
Sep 1937–Aug 1940 36-Month	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	105th Coolest	Coolest since: 1939	1899, 1952
	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	21st Warmest	Warmest to Date	2017
	Ties: 1942, 1999
Sep 1936–Aug 1940 48-Month	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1939	1952
	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 1936	2017, 2018
	Ties: 1936, 1995, 2021
Sep 1935–Aug 1940 60-Month	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1939	1952
	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	47th Warmest	Warmest since: 1938	2016
	Ties: 1938, 1965

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings