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 1916

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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 1916 1-Month	52.6°F (11.4°C)	53.8°F (12.1°C)	-1.2°F (-0.7°C)	34th Coolest	Coolest since: 1915	1965
	52.6°F (11.4°C)	53.8°F (12.1°C)	-1.2°F (-0.7°C)	95th Warmest	Warmest since: 1914	1998
	Ties: 1996
Aug–Sep 1916 2-Month	57.4°F (14.1°C)	59.0°F (15.0°C)	-1.6°F (-0.9°C)	27th Coolest	Coolest since: 1912	1965
	57.4°F (14.1°C)	59.0°F (15.0°C)	-1.6°F (-0.9°C)	102nd Warmest	Warmest since: 1915	2022
	Ties: 1934, 1992
Jul–Sep 1916 3-Month	60.2°F (15.7°C)	61.2°F (16.2°C)	-1.0°F (-0.5°C)	30th Coolest	Coolest since: 1915	1912
	60.2°F (15.7°C)	61.2°F (16.2°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1914	2022
	Ties: 1980
Jun–Sep 1916 4-Month	58.9°F (14.9°C)	60.5°F (15.8°C)	-1.6°F (-0.9°C)	17th Coolest	Coolest since: 1915	1993
	58.9°F (14.9°C)	60.5°F (15.8°C)	-1.6°F (-0.9°C)	112th Warmest	Warmest since: 1914	2021
	Ties: 1992
May–Sep 1916 5-Month	56.3°F (13.5°C)	58.4°F (14.7°C)	-2.1°F (-1.2°C)	10th Coolest	Coolest since: 1915	1907
	56.3°F (13.5°C)	58.4°F (14.7°C)	-2.1°F (-1.2°C)	119th Warmest	Warmest since: 1914	1936
	Ties: 1902, 1903
Apr–Sep 1916 6-Month	53.7°F (12.1°C)	55.5°F (13.1°C)	-1.8°F (-1.0°C)	14th Coolest	Coolest since: 1912	1907
	53.7°F (12.1°C)	55.5°F (13.1°C)	-1.8°F (-1.0°C)	115th Warmest	Warmest since: 1915	1936
	Ties: 1911
Mar–Sep 1916 7-Month	50.7°F (10.4°C)	51.7°F (10.9°C)	-1.0°F (-0.5°C)	30th Coolest	Coolest since: 1915	1965
	50.7°F (10.4°C)	51.7°F (10.9°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1914	2012
	Ties: 1962
Feb–Sep 1916 8-Month	46.7°F (8.2°C)	47.9°F (8.8°C)	-1.2°F (-0.6°C)	24th Coolest	Coolest since: 1913	1899
Feb–Sep 1916 8-Month	46.7°F (8.2°C)	47.9°F (8.8°C)	-1.2°F (-0.6°C)	105th Warmest	Warmest since: 1915	2012, 2016
Jan–Sep 1916 9-Month	41.1°F (5.1°C)	44.5°F (6.9°C)	-3.4°F (-1.8°C)	4th Coolest	Coolest since: 1907	1899
	41.1°F (5.1°C)	44.5°F (6.9°C)	-3.4°F (-1.8°C)	125th Warmest	Warmest since: 1915	2012
	Ties: 1951
Dec 1915–Sep 1916 10-Month	39.2°F (4.0°C)	42.1°F (5.6°C)	-2.9°F (-1.6°C)	6th Coolest	Coolest since: 1907	1950
Dec 1915–Sep 1916 10-Month	39.2°F (4.0°C)	42.1°F (5.6°C)	-2.9°F (-1.6°C)	122nd Warmest	Warmest since: 1915	2012
Nov 1915–Sep 1916 11-Month	38.4°F (3.6°C)	41.0°F (5.0°C)	-2.6°F (-1.4°C)	9th Coolest	Coolest since: 1912	1899
Nov 1915–Sep 1916 11-Month	38.4°F (3.6°C)	41.0°F (5.0°C)	-2.6°F (-1.4°C)	119th Warmest	Warmest since: 1915	2012
Oct 1915–Sep 1916 12-Month	39.0°F (3.9°C)	41.2°F (5.1°C)	-2.2°F (-1.2°C)	10th Coolest	Coolest since: 1912	1899
	39.0°F (3.9°C)	41.2°F (5.1°C)	-2.2°F (-1.2°C)	118th Warmest	Warmest since: 1915	2012
	Ties: 1929
Apr 1915–Sep 1916 18-Month	44.1°F (6.7°C)	45.9°F (7.7°C)	-1.8°F (-1.0°C)	8th Coolest	Coolest since: 1912	1917
	44.1°F (6.7°C)	45.9°F (7.7°C)	-1.8°F (-1.0°C)	120th Warmest	Warmest since: 1915	2016
	Ties: 1907, 1929, 1952, 1969
Oct 1914–Sep 1916 24-Month	39.8°F (4.3°C)	41.1°F (5.1°C)	-1.3°F (-0.8°C)	12th Coolest	Coolest since: 1913	1917
	39.8°F (4.3°C)	41.1°F (5.1°C)	-1.3°F (-0.8°C)	115th Warmest	Warmest since: 1915	2016
	Ties: 1897, 1900, 1907, 1928
Oct 1913–Sep 1916 36-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	26th Coolest	Coolest since: 1914	1951
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1915	2017
	Ties: 1972, 1973
Oct 1912–Sep 1916 48-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest since: 1915	1952
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1911	2007, 2017, 2018
	Ties: 1904, 1907
Oct 1911–Sep 1916 60-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	6th Coolest	Coolest since: 1913	1952
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1915	2016
	Ties: 1900, 1913, 1918

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings