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 1974

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1974 1-Month	52.2°F (11.2°C)	53.8°F (12.1°C)	-1.6°F (-0.9°C)	30th Coolest	Coolest since: 1972	1965
	52.2°F (11.2°C)	53.8°F (12.1°C)	-1.6°F (-0.9°C)	99th Warmest	Warmest since: 1973	1998
	Ties: 1907
Aug–Sep 1974 2-Month	56.1°F (13.4°C)	59.0°F (15.0°C)	-2.9°F (-1.6°C)	10th Coolest	Coolest since: 1965	1965
Aug–Sep 1974 2-Month	56.1°F (13.4°C)	59.0°F (15.0°C)	-2.9°F (-1.6°C)	119th Warmest	Warmest since: 1973	2022
Jul–Sep 1974 3-Month	59.9°F (15.5°C)	61.2°F (16.2°C)	-1.3°F (-0.7°C)	25th Coolest	Coolest since: 1972	1912
	59.9°F (15.5°C)	61.2°F (16.2°C)	-1.3°F (-0.7°C)	104th Warmest	Warmest since: 1973	2022
	Ties: 1944, 1968
Jun–Sep 1974 4-Month	60.3°F (15.7°C)	60.5°F (15.8°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1972	1993
	60.3°F (15.7°C)	60.5°F (15.8°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1973	2021
	Ties: 1898, 1906, 1925, 1947, 1955
May–Sep 1974 5-Month	57.5°F (14.2°C)	58.4°F (14.7°C)	-0.9°F (-0.5°C)	27th Coolest	Coolest since: 1968	1907
	57.5°F (14.2°C)	58.4°F (14.7°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1973	1936
	Ties: 1954, 1964, 1999
Apr–Sep 1974 6-Month	55.0°F (12.8°C)	55.5°F (13.1°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1972	1907
	55.0°F (12.8°C)	55.5°F (13.1°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1973	1936
	Ties: 1904, 1905, 1918
Mar–Sep 1974 7-Month	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1970	1965
	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1973	2012
	Ties: 1948, 1959, 2008
Feb–Sep 1974 8-Month	48.6°F (9.2°C)	47.9°F (8.8°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1972	1899
	48.6°F (9.2°C)	47.9°F (8.8°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1973	2012, 2016
	Ties: 2009
Jan–Sep 1974 9-Month	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1972	1899
	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1973	2012
	Ties: 1933, 2014
Dec 1973–Sep 1974 10-Month	42.9°F (6.1°C)	42.1°F (5.6°C)	0.8°F (0.5°C)	82nd Coolest	Coolest since: 1973	1950
	42.9°F (6.1°C)	42.1°F (5.6°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 1963	2012
	Ties: 1914
Nov 1973–Sep 1974 11-Month	41.2°F (5.1°C)	41.0°F (5.0°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1972	1899
	41.2°F (5.1°C)	41.0°F (5.0°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1973	2012
	Ties: 1964, 1984, 2010
Oct 1973–Sep 1974 12-Month	41.5°F (5.3°C)	41.2°F (5.1°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1973	1899
	41.5°F (5.3°C)	41.2°F (5.1°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1967	2012
	Ties: 1930, 1984
Apr 1973–Sep 1974 18-Month	46.1°F (7.8°C)	45.9°F (7.7°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1973	1917
	46.1°F (7.8°C)	45.9°F (7.7°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1970	2016
	Ties: 1946, 1948, 1954, 1984
Oct 1972–Sep 1974 24-Month	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1973	1917
	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1968	2016
	Ties: 1947, 1968, 1976
Oct 1971–Sep 1974 36-Month	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1973	1951
	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1968	2017
	Ties: 1915, 1920, 1938, 1986
Oct 1970–Sep 1974 48-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	32nd Coolest	Coolest since: 1973	1952
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	93rd Warmest	Warmest since: 1970	2007, 2017, 2018
	Ties: 1954, 1957, 1968, 1975, 1979
Oct 1969–Sep 1974 60-Month	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	34th Coolest	Coolest since: 1973	1952
	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1970	2016
	Ties: 1908, 1909, 1923, 1931, 1955, 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings