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 1907

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1907 1-Month	52.2°F (11.2°C)	53.8°F (12.1°C)	-1.6°F (-0.9°C)	30th Coolest	Coolest since: 1903	1965
	52.2°F (11.2°C)	53.8°F (12.1°C)	-1.6°F (-0.9°C)	99th Warmest	Warmest since: 1906	1998
	Ties: 1974
Aug–Sep 1907 2-Month	56.3°F (13.5°C)	58.9°F (14.9°C)	-2.6°F (-1.4°C)	12th Coolest	Coolest since: 1903	1965
	56.3°F (13.5°C)	58.9°F (14.9°C)	-2.6°F (-1.4°C)	117th Warmest	Warmest since: 1906	2022
	Ties: 1903
Jul–Sep 1907 3-Month	58.3°F (14.6°C)	61.2°F (16.2°C)	-2.9°F (-1.6°C)	8th Coolest	Coolest since: 1903	1912
Jul–Sep 1907 3-Month	58.3°F (14.6°C)	61.2°F (16.2°C)	-2.9°F (-1.6°C)	121st Warmest	Warmest since: 1906	2022
Jun–Sep 1907 4-Month	57.6°F (14.2°C)	60.5°F (15.8°C)	-2.9°F (-1.6°C)	7th Coolest	Coolest since: 1902	1993
	57.6°F (14.2°C)	60.5°F (15.8°C)	-2.9°F (-1.6°C)	122nd Warmest	Warmest since: 1906	2021
	Ties: 1895
May–Sep 1907 5-Month	55.1°F (12.8°C)	58.5°F (14.7°C)	-3.4°F (-1.9°C)	1st Coolest	Coolest since: 1907	1907
May–Sep 1907 5-Month	55.1°F (12.8°C)	58.5°F (14.7°C)	-3.4°F (-1.9°C)	128th Warmest	Warmest since: 1906	1936
Apr–Sep 1907 6-Month	51.9°F (11.1°C)	55.5°F (13.1°C)	-3.6°F (-2.0°C)	1st Coolest	Coolest since: 1907	1907
Apr–Sep 1907 6-Month	51.9°F (11.1°C)	55.5°F (13.1°C)	-3.6°F (-2.0°C)	128th Warmest	Warmest since: 1906	1936
Mar–Sep 1907 7-Month	48.7°F (9.3°C)	51.7°F (10.9°C)	-3.0°F (-1.6°C)	6th Coolest	Coolest since: 1899	1965
Mar–Sep 1907 7-Month	48.7°F (9.3°C)	51.7°F (10.9°C)	-3.0°F (-1.6°C)	123rd Warmest	Warmest since: 1906	2012
Feb–Sep 1907 8-Month	45.4°F (7.4°C)	47.9°F (8.8°C)	-2.5°F (-1.4°C)	8th Coolest	Coolest since: 1904	1899
	45.4°F (7.4°C)	47.9°F (8.8°C)	-2.5°F (-1.4°C)	121st Warmest	Warmest since: 1906	2012, 2016
	Ties: 1904, 2019
Jan–Sep 1907 9-Month	40.7°F (4.8°C)	44.5°F (6.9°C)	-3.8°F (-2.1°C)	3rd Coolest	Coolest since: 1899	1899
Jan–Sep 1907 9-Month	40.7°F (4.8°C)	44.5°F (6.9°C)	-3.8°F (-2.1°C)	126th Warmest	Warmest since: 1906	2012
Dec 1906–Sep 1907 10-Month	38.8°F (3.8°C)	42.1°F (5.6°C)	-3.3°F (-1.8°C)	5th Coolest	Coolest since: 1899	1950
Dec 1906–Sep 1907 10-Month	38.8°F (3.8°C)	42.1°F (5.6°C)	-3.3°F (-1.8°C)	123rd Warmest	Warmest since: 1906	2012
Nov 1906–Sep 1907 11-Month	37.7°F (3.2°C)	40.9°F (4.9°C)	-3.2°F (-1.7°C)	5th Coolest	Coolest since: 1899	1899
Nov 1906–Sep 1907 11-Month	37.7°F (3.2°C)	40.9°F (4.9°C)	-3.2°F (-1.7°C)	123rd Warmest	Warmest since: 1906	2012
Oct 1906–Sep 1907 12-Month	38.3°F (3.5°C)	41.1°F (5.1°C)	-2.8°F (-1.6°C)	6th Coolest	Coolest since: 1899	1899
	38.3°F (3.5°C)	41.1°F (5.1°C)	-2.8°F (-1.6°C)	122nd Warmest	Warmest since: 1906	2012
	Ties: 1979
Apr 1906–Sep 1907 18-Month	44.1°F (6.7°C)	45.9°F (7.7°C)	-1.8°F (-1.0°C)	8th Coolest	Coolest since: 1903	1917
	44.1°F (6.7°C)	45.9°F (7.7°C)	-1.8°F (-1.0°C)	120th Warmest	Warmest since: 1906	2016
	Ties: 1916, 1929, 1952, 1969
Oct 1905–Sep 1907 24-Month	39.8°F (4.3°C)	41.1°F (5.1°C)	-1.3°F (-0.8°C)	12th Coolest	Coolest since: 1904	1917
	39.8°F (4.3°C)	41.1°F (5.1°C)	-1.3°F (-0.8°C)	115th Warmest	Warmest since: 1906	2016
	Ties: 1897, 1900, 1916, 1928
Oct 1904–Sep 1907 36-Month	40.5°F (4.7°C)	41.1°F (5.1°C)	-0.6°F (-0.4°C)	29th Coolest	Coolest since: 1905	1951
	40.5°F (4.7°C)	41.1°F (5.1°C)	-0.6°F (-0.4°C)	97th Warmest	Warmest since: 1906	2017
	Ties: 1903, 1919, 1970
Oct 1903–Sep 1907 48-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest since: 1904	1952
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1906	2007, 2017, 2018
	Ties: 1904, 1916
Oct 1902–Sep 1907 60-Month	40.1°F (4.5°C)	41.0°F (5.0°C)	-0.9°F (-0.5°C)	10th Coolest	Coolest since: 1900	1952
	40.1°F (4.5°C)	41.0°F (5.0°C)	-0.9°F (-0.5°C)	114th Warmest	Warmest since: 1906	2016
	Ties: 1915

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings