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 1918

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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 1918 1-Month	48.1°F (8.9°C)	50.2°F (10.1°C)	-2.1°F (-1.2°C)	31st Coolest	Coolest since: 1917	1907, 1927
	48.1°F (8.9°C)	50.2°F (10.1°C)	-2.1°F (-1.2°C)	98th Warmest	Warmest since: 1915	1934
	Ties: 2004
Apr–May 1918 2-Month	43.3°F (6.3°C)	45.5°F (7.5°C)	-2.2°F (-1.2°C)	25th Coolest	Coolest since: 1917	1975
	43.3°F (6.3°C)	45.5°F (7.5°C)	-2.2°F (-1.2°C)	104th Warmest	Warmest since: 1916	1934
	Ties: 1916
Mar–May 1918 3-Month	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1917	1899
	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1915	1910
	Ties: 1942, 1978, 2014
Feb–May 1918 4-Month	34.8°F (1.6°C)	35.4°F (1.9°C)	-0.6°F (-0.3°C)	56th Coolest	Coolest since: 1917	1899
	34.8°F (1.6°C)	35.4°F (1.9°C)	-0.6°F (-0.3°C)	73rd Warmest	Warmest since: 1915	1992
	Ties: 1942
Jan–May 1918 5-Month	30.5°F (-0.8°C)	31.7°F (-0.2°C)	-1.2°F (-0.6°C)	40th Coolest	Coolest since: 1917	1899
	30.5°F (-0.8°C)	31.7°F (-0.2°C)	-1.2°F (-0.6°C)	89th Warmest	Warmest since: 1915	1992
	Ties: 1905, 1970
Dec 1917–May 1918 6-Month	28.1°F (-2.2°C)	29.9°F (-1.2°C)	-1.8°F (-1.0°C)	28th Coolest	Coolest since: 1917	1917
	28.1°F (-2.2°C)	29.9°F (-1.2°C)	-1.8°F (-1.0°C)	100th Warmest	Warmest since: 1915	1992
	Ties: 1972
Nov 1917–May 1918 7-Month	29.6°F (-1.3°C)	29.8°F (-1.2°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1917	1899
	29.6°F (-1.3°C)	29.8°F (-1.2°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 1915	1992
	Ties: 1967, 2001, 2014
Oct 1917–May 1918 8-Month	30.9°F (-0.6°C)	31.5°F (-0.3°C)	-0.6°F (-0.3°C)	48th Coolest	Coolest since: 1917	1899
	30.9°F (-0.6°C)	31.5°F (-0.3°C)	-0.6°F (-0.3°C)	80th Warmest	Warmest since: 1915	1934, 2000
	Ties: 1970
Sep 1917–May 1918 9-Month	33.6°F (0.9°C)	34.0°F (1.1°C)	-0.4°F (-0.2°C)	53rd Coolest	Coolest since: 1917	1899
	33.6°F (0.9°C)	34.0°F (1.1°C)	-0.4°F (-0.2°C)	75th Warmest	Warmest since: 1915	2016
	Ties: 1989
Aug 1917–May 1918 10-Month	36.5°F (2.5°C)	37.0°F (2.8°C)	-0.5°F (-0.3°C)	48th Coolest	Coolest since: 1917	1917
Aug 1917–May 1918 10-Month	36.5°F (2.5°C)	37.0°F (2.8°C)	-0.5°F (-0.3°C)	80th Warmest	Warmest since: 1915	1992, 2016
Jul 1917–May 1918 11-Month	39.5°F (4.2°C)	39.6°F (4.2°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1917	1917
	39.5°F (4.2°C)	39.6°F (4.2°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1915	1992, 2016
	Ties: 1932, 1955, 1970
Jun 1917–May 1918 12-Month	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1917	1917
	40.8°F (4.9°C)	41.1°F (5.1°C)	-0.3°F (-0.2°C)	76th Warmest	Warmest since: 1915	2016
	Ties: 1970
Dec 1916–May 1918 18-Month	35.0°F (1.7°C)	37.4°F (3.0°C)	-2.4°F (-1.3°C)	7th Coolest	Coolest since: 1917	1917
Dec 1916–May 1918 18-Month	35.0°F (1.7°C)	37.4°F (3.0°C)	-2.4°F (-1.3°C)	120th Warmest	Warmest since: 1916	2016
Jun 1916–May 1918 24-Month	38.8°F (3.8°C)	41.1°F (5.1°C)	-2.3°F (-1.3°C)	5th Coolest	Coolest since: 1917	1917
	38.8°F (3.8°C)	41.1°F (5.1°C)	-2.3°F (-1.3°C)	122nd Warmest	Warmest since: 1916	2016
	Ties: 1952
Jun 1915–May 1918 36-Month	38.7°F (3.7°C)	41.1°F (5.1°C)	-2.4°F (-1.4°C)	1st Coolest	Coolest to Date	1918
Jun 1915–May 1918 36-Month	38.7°F (3.7°C)	41.1°F (5.1°C)	-2.4°F (-1.4°C)	125th Warmest	Warmest since: 1917	2017
Jun 1914–May 1918 48-Month	39.4°F (4.1°C)	41.1°F (5.1°C)	-1.7°F (-1.0°C)	3rd Coolest	Coolest since: 1899	1899, 1952
Jun 1914–May 1918 48-Month	39.4°F (4.1°C)	41.1°F (5.1°C)	-1.7°F (-1.0°C)	122nd Warmest	Warmest since: 1917	2016
Jun 1913–May 1918 60-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	8th Coolest	Coolest since: 1917	1952
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	116th Warmest	Warmest since: 1915	2016
	Ties: 1913

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings