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, July 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1909 1-Month	64.1°F (17.8°C)	65.7°F (18.7°C)	-1.6°F (-0.9°C)	27th Coolest	Coolest since: 1907	1993
	64.1°F (17.8°C)	65.7°F (18.7°C)	-1.6°F (-0.9°C)	102nd Warmest	Warmest since: 1908	1936
	Ties: 1927, 1995
Jun–Jul 1909 2-Month	61.2°F (16.2°C)	61.9°F (16.6°C)	-0.7°F (-0.4°C)	44th Coolest	Coolest since: 1908	1915
	61.2°F (16.2°C)	61.9°F (16.6°C)	-0.7°F (-0.4°C)	85th Warmest	Warmest since: 1900	2021
	Ties: 1948, 1952
May–Jul 1909 3-Month	56.6°F (13.7°C)	58.1°F (14.5°C)	-1.5°F (-0.8°C)	22nd Coolest	Coolest since: 1908	1915
	56.6°F (13.7°C)	58.1°F (14.5°C)	-1.5°F (-0.8°C)	107th Warmest	Warmest since: 1908	1936
	Ties: 1908, 1965, 1999
Apr–Jul 1909 4-Month	50.8°F (10.4°C)	53.7°F (12.1°C)	-2.9°F (-1.7°C)	3rd Coolest	Coolest since: 1907	1907
Apr–Jul 1909 4-Month	50.8°F (10.4°C)	53.7°F (12.1°C)	-2.9°F (-1.7°C)	126th Warmest	Warmest since: 1908	1988
Mar–Jul 1909 5-Month	46.5°F (8.1°C)	48.8°F (9.3°C)	-2.3°F (-1.2°C)	12th Coolest	Coolest since: 1907	1899
	46.5°F (8.1°C)	48.8°F (9.3°C)	-2.3°F (-1.2°C)	117th Warmest	Warmest since: 1908	1910
	Ties: 1898, 1903, 1920
Feb–Jul 1909 6-Month	42.3°F (5.7°C)	44.3°F (6.8°C)	-2.0°F (-1.1°C)	18th Coolest	Coolest since: 1907	1899
Feb–Jul 1909 6-Month	42.3°F (5.7°C)	44.3°F (6.8°C)	-2.0°F (-1.1°C)	111th Warmest	Warmest since: 1908	2016
Jan–Jul 1909 7-Month	37.8°F (3.2°C)	40.3°F (4.6°C)	-2.5°F (-1.4°C)	15th Coolest	Coolest since: 1907	1899
Jan–Jul 1909 7-Month	37.8°F (3.2°C)	40.3°F (4.6°C)	-2.5°F (-1.4°C)	114th Warmest	Warmest since: 1908	1934
Dec 1908–Jul 1909 8-Month	35.8°F (2.1°C)	37.9°F (3.3°C)	-2.1°F (-1.2°C)	18th Coolest	Coolest since: 1907	1899
	35.8°F (2.1°C)	37.9°F (3.3°C)	-2.1°F (-1.2°C)	110th Warmest	Warmest since: 1908	1992
	Ties: 1920, 1978
Nov 1908–Jul 1909 9-Month	35.5°F (1.9°C)	37.0°F (2.8°C)	-1.5°F (-0.9°C)	28th Coolest	Coolest since: 1907	1899
	35.5°F (1.9°C)	37.0°F (2.8°C)	-1.5°F (-0.9°C)	100th Warmest	Warmest since: 1908	1934
	Ties: 1898, 1927
Oct 1908–Jul 1909 10-Month	35.9°F (2.2°C)	37.6°F (3.1°C)	-1.7°F (-0.9°C)	22nd Coolest	Coolest since: 1907	1899
Oct 1908–Jul 1909 10-Month	35.9°F (2.2°C)	37.6°F (3.1°C)	-1.7°F (-0.9°C)	106th Warmest	Warmest since: 1908	2016
Sep 1908–Jul 1909 11-Month	37.8°F (3.2°C)	39.1°F (3.9°C)	-1.3°F (-0.7°C)	29th Coolest	Coolest since: 1907	1899
	37.8°F (3.2°C)	39.1°F (3.9°C)	-1.3°F (-0.7°C)	99th Warmest	Warmest since: 1908	2016
	Ties: 1943, 1997
Aug 1908–Jul 1909 12-Month	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	23rd Coolest	Coolest since: 1907	1899
	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	105th Warmest	Warmest since: 1908	2016
	Ties: 1904
Feb 1908–Jul 1909 18-Month	41.1°F (5.1°C)	42.2°F (5.7°C)	-1.1°F (-0.6°C)	25th Coolest	Coolest since: 1907	1899
	41.1°F (5.1°C)	42.2°F (5.7°C)	-1.1°F (-0.6°C)	103rd Warmest	Warmest since: 1908	2016
	Ties: 1898, 1923, 1943
Aug 1907–Jul 1909 24-Month	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1908	1917
	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1906	2016
	Ties: 1922, 1936, 1965, 2011, 2019
Aug 1906–Jul 1909 36-Month	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	19th Coolest	Coolest since: 1905	1899, 1952
	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1908	2017
	Ties: 1900, 1912, 1949, 1967
Aug 1905–Jul 1909 48-Month	40.5°F (4.7°C)	41.0°F (5.0°C)	-0.5°F (-0.3°C)	24th Coolest	Coolest since: 1907	1952
	40.5°F (4.7°C)	41.0°F (5.0°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1908	2007, 2017, 2018
	Ties: 1906, 1979
Aug 1904–Jul 1909 60-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	32nd Coolest	Coolest since: 1908	1952
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	92nd Warmest	Warmest since: 1908	2016
	Ties: 1908, 1955, 1971, 1975, 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings