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, May 1898

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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
May 1898 1-Month	49.0°F (9.4°C)	50.2°F (10.1°C)	-1.2°F (-0.7°C)	47th Coolest	Coolest since: 1896	1907, 1927
	49.0°F (9.4°C)	50.2°F (10.1°C)	-1.2°F (-0.7°C)	82nd Warmest	Warmest since: 1897	1934
	Ties: 1911, 1912, 2005
Apr–May 1898 2-Month	45.1°F (7.3°C)	45.5°F (7.5°C)	-0.4°F (-0.2°C)	56th Coolest	Coolest since: 1896	1975
	45.1°F (7.3°C)	45.5°F (7.5°C)	-0.4°F (-0.2°C)	73rd Warmest	Warmest since: 1897	1934
	Ties: 1938, 1984
Mar–May 1898 3-Month	37.0°F (2.8°C)	40.1°F (4.5°C)	-3.1°F (-1.7°C)	17th Coolest	Coolest since: 1896	1899
Mar–May 1898 3-Month	37.0°F (2.8°C)	40.1°F (4.5°C)	-3.1°F (-1.7°C)	112th Warmest	Warmest since: 1897	1910
Feb–May 1898 4-Month	34.1°F (1.2°C)	35.4°F (1.9°C)	-1.3°F (-0.7°C)	36th Coolest	Coolest since: 1897	1899
	34.1°F (1.2°C)	35.4°F (1.9°C)	-1.3°F (-0.7°C)	93rd Warmest	Warmest since: 1895	1992
	Ties: 1919, 1935, 1947, 2014
Jan–May 1898 5-Month	31.2°F (-0.4°C)	31.7°F (-0.2°C)	-0.5°F (-0.2°C)	55th Coolest	Coolest since: 1897	1899
	31.2°F (-0.4°C)	31.7°F (-0.2°C)	-0.5°F (-0.2°C)	74th Warmest	Warmest to Date	1992
	Ties: 1947
Dec 1897–May 1898 6-Month	29.3°F (-1.5°C)	29.9°F (-1.2°C)	-0.6°F (-0.3°C)	48th Coolest	Coolest since: 1896	1917
	29.3°F (-1.5°C)	29.9°F (-1.2°C)	-0.6°F (-0.3°C)	80th Warmest	Warmest since: 1897	1992
	Ties: 1932
Nov 1897–May 1898 7-Month	28.3°F (-2.1°C)	29.8°F (-1.2°C)	-1.5°F (-0.9°C)	31st Coolest	Coolest since: 1897	1899
	28.3°F (-2.1°C)	29.8°F (-1.2°C)	-1.5°F (-0.9°C)	97th Warmest	Warmest since: 1896	1992
	Ties: 1896, 1927, 1996
Oct 1897–May 1898 8-Month	30.1°F (-1.1°C)	31.5°F (-0.3°C)	-1.4°F (-0.8°C)	29th Coolest	Coolest since: 1897	1899
	30.1°F (-1.1°C)	31.5°F (-0.3°C)	-1.4°F (-0.8°C)	99th Warmest	Warmest since: 1896	1934, 2000
	Ties: 1896, 1923, 1933, 1947
Sep 1897–May 1898 9-Month	33.1°F (0.6°C)	34.0°F (1.1°C)	-0.9°F (-0.5°C)	41st Coolest	Coolest since: 1897	1899
	33.1°F (0.6°C)	34.0°F (1.1°C)	-0.9°F (-0.5°C)	87th Warmest	Warmest to Date	2016
	Ties: 1928, 1930
Aug 1897–May 1898 10-Month	36.3°F (2.4°C)	37.0°F (2.8°C)	-0.7°F (-0.4°C)	46th Coolest	Coolest since: 1897	1917
	36.3°F (2.4°C)	37.0°F (2.8°C)	-0.7°F (-0.4°C)	82nd Warmest	Warmest to Date	1992, 2016
	Ties: 1966
Jul 1897–May 1898 11-Month	38.7°F (3.7°C)	39.6°F (4.2°C)	-0.9°F (-0.5°C)	36th Coolest	Coolest since: 1897	1917
	38.7°F (3.7°C)	39.6°F (4.2°C)	-0.9°F (-0.5°C)	92nd Warmest	Warmest to Date	1992, 2016
	Ties: 1933, 1937, 1943, 1982, 2019
Jun 1897–May 1898 12-Month	40.3°F (4.6°C)	41.1°F (5.1°C)	-0.8°F (-0.5°C)	34th Coolest	Coolest since: 1897	1917
	40.3°F (4.6°C)	41.1°F (5.1°C)	-0.8°F (-0.5°C)	94th Warmest	Warmest to Date	2016
	Ties: 1997
Dec 1896–May 1898 18-Month	36.8°F (2.7°C)	37.4°F (3.0°C)	-0.6°F (-0.3°C)	41st Coolest	Coolest since: 1897	1917
	36.8°F (2.7°C)	37.4°F (3.0°C)	-0.6°F (-0.3°C)	86th Warmest	Warmest to Date	2016
	Ties: 1933, 1943
Jun 1896–May 1898 24-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	17th Coolest	Coolest since: 1897	1917
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	110th Warmest	Warmest to Date	2016
	Ties: 1956, 1957
Jun 1895–May 1898 36-Month	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	8th Coolest	Coolest to Date	1918
	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	118th Warmest	Warmest to Date	2017
	Ties: 1914, 1930

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings