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, September 1973

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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
September 1973 1-Month	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	39th Coolest	Coolest since: 1972	1965
	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	90th Warmest	Warmest since: 1969	1998
	Ties: 1946, 2018
Aug–Sep 1973 2-Month	59.6°F (15.3°C)	59.0°F (15.0°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 1972	1965
	59.6°F (15.3°C)	59.0°F (15.0°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 1971	2022
	Ties: 1943, 1955, 1996, 2008, 2016
Jul–Sep 1973 3-Month	61.5°F (16.4°C)	61.2°F (16.2°C)	0.3°F (0.2°C)	61st Coolest	Coolest since: 1972	1912
	61.5°F (16.4°C)	61.2°F (16.2°C)	0.3°F (0.2°C)	68th Warmest	Warmest since: 1970	2022
	Ties: 1914, 1952, 1961, 1970
Jun–Sep 1973 4-Month	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 1972	1993
	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 1970	2021
	Ties: 1909, 1918, 1948, 1952, 1956, 1976, 2018, 2019
May–Sep 1973 5-Month	58.7°F (14.8°C)	58.4°F (14.7°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1972	1907
	58.7°F (14.8°C)	58.4°F (14.7°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1970	1936
	Ties: 1925, 2002, 2005
Apr–Sep 1973 6-Month	55.3°F (12.9°C)	55.5°F (13.1°C)	-0.2°F (-0.2°C)	49th Coolest	Coolest since: 1972	1907
	55.3°F (12.9°C)	55.5°F (13.1°C)	-0.2°F (-0.2°C)	80th Warmest	Warmest since: 1971	1936
	Ties: 1898, 1926, 1943, 1970, 1983, 1986
Mar–Sep 1973 7-Month	52.3°F (11.3°C)	51.7°F (10.9°C)	0.6°F (0.4°C)	81st Coolest	Coolest since: 1972	1965
	52.3°F (11.3°C)	51.7°F (10.9°C)	0.6°F (0.4°C)	48th Warmest	Warmest since: 1966	2012
	Ties: 1905, 1914
Feb–Sep 1973 8-Month	48.8°F (9.3°C)	47.9°F (8.8°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 1972	1899
	48.8°F (9.3°C)	47.9°F (8.8°C)	0.9°F (0.5°C)	45th Warmest	Warmest since: 1963	2012, 2016
	Ties: 1919
Jan–Sep 1973 9-Month	45.6°F (7.6°C)	44.5°F (6.9°C)	1.1°F (0.7°C)	85th Coolest	Coolest since: 1972	1899
	45.6°F (7.6°C)	44.5°F (6.9°C)	1.1°F (0.7°C)	44th Warmest	Warmest since: 1963	2012
	Ties: 1938, 1939, 2009
Dec 1972–Sep 1973 10-Month	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1972	1950
	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1967	2012
	Ties: 1944, 1966, 2009
Nov 1972–Sep 1973 11-Month	41.3°F (5.2°C)	41.0°F (5.0°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1972	1899
	41.3°F (5.2°C)	41.0°F (5.0°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1970	2012
	Ties: 1910, 1930, 1935, 1966
Oct 1972–Sep 1973 12-Month	41.2°F (5.1°C)	41.2°F (5.1°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 1972	1899
	41.2°F (5.1°C)	41.2°F (5.1°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1967	2012
	Ties: 1942, 1989
Apr 1972–Sep 1973 18-Month	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1972	1917
	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1970	2016
	Ties: 1910, 1915, 1957
Oct 1971–Sep 1973 24-Month	40.5°F (4.7°C)	41.1°F (5.1°C)	-0.6°F (-0.4°C)	34th Coolest	Coolest since: 1972	1917
	40.5°F (4.7°C)	41.1°F (5.1°C)	-0.6°F (-0.4°C)	93rd Warmest	Warmest since: 1971	2016
	Ties: 1997
Oct 1970–Sep 1973 36-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	26th Coolest	Coolest since: 1972	1951
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1972	2017
	Ties: 1916, 1972
Oct 1969–Sep 1973 48-Month	40.6°F (4.8°C)	41.1°F (5.1°C)	-0.5°F (-0.3°C)	28th Coolest	Coolest since: 1972	1952
	40.6°F (4.8°C)	41.1°F (5.1°C)	-0.5°F (-0.3°C)	97th Warmest	Warmest since: 1970	2007, 2017, 2018
	Ties: 1906, 1925, 1980
Oct 1968–Sep 1973 60-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest since: 1972	1952
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	104th Warmest	Warmest since: 1971	2016
	Ties: 1902, 1912, 1921, 1969

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings