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 1913

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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 1913 1-Month	48.8°F (9.3°C)	50.2°F (10.1°C)	-1.4°F (-0.8°C)	43rd Coolest	Coolest since: 1909	1907, 1927
	48.8°F (9.3°C)	50.2°F (10.1°C)	-1.4°F (-0.8°C)	86th Warmest	Warmest since: 1912	1934
	Ties: 1915, 1938, 1990
Apr–May 1913 2-Month	45.8°F (7.7°C)	45.5°F (7.5°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1912	1975
	45.8°F (7.7°C)	45.5°F (7.5°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1910	1934
	Ties: 1947
Mar–May 1913 3-Month	37.9°F (3.3°C)	40.1°F (4.5°C)	-2.2°F (-1.2°C)	24th Coolest	Coolest since: 1912	1899
Mar–May 1913 3-Month	37.9°F (3.3°C)	40.1°F (4.5°C)	-2.2°F (-1.2°C)	105th Warmest	Warmest since: 1911	1910
Feb–May 1913 4-Month	31.9°F (-0.1°C)	35.4°F (1.9°C)	-3.5°F (-2.0°C)	13th Coolest	Coolest since: 1904	1899
	31.9°F (-0.1°C)	35.4°F (1.9°C)	-3.5°F (-2.0°C)	116th Warmest	Warmest since: 1912	1992
	Ties: 1929
Jan–May 1913 5-Month	28.0°F (-2.2°C)	31.7°F (-0.2°C)	-3.7°F (-2.0°C)	13th Coolest	Coolest since: 1907	1899
Jan–May 1913 5-Month	28.0°F (-2.2°C)	31.7°F (-0.2°C)	-3.7°F (-2.0°C)	116th Warmest	Warmest since: 1912	1992
Dec 1912–May 1913 6-Month	27.6°F (-2.4°C)	29.9°F (-1.2°C)	-2.3°F (-1.2°C)	21st Coolest	Coolest since: 1912	1917
	27.6°F (-2.4°C)	29.9°F (-1.2°C)	-2.3°F (-1.2°C)	107th Warmest	Warmest since: 1911	1992
	Ties: 1952, 1956, 1975
Nov 1912–May 1913 7-Month	28.5°F (-1.9°C)	29.8°F (-1.2°C)	-1.3°F (-0.7°C)	35th Coolest	Coolest since: 1912	1899
	28.5°F (-1.9°C)	29.8°F (-1.2°C)	-1.3°F (-0.7°C)	93rd Warmest	Warmest since: 1911	1992
	Ties: 1928, 1972, 2019
Oct 1912–May 1913 8-Month	30.0°F (-1.1°C)	31.5°F (-0.3°C)	-1.5°F (-0.8°C)	26th Coolest	Coolest since: 1912	1899
	30.0°F (-1.1°C)	31.5°F (-0.3°C)	-1.5°F (-0.8°C)	102nd Warmest	Warmest since: 1911	1934, 2000
	Ties: 1972, 1996
Sep 1912–May 1913 9-Month	31.9°F (-0.1°C)	34.0°F (1.1°C)	-2.1°F (-1.2°C)	19th Coolest	Coolest since: 1912	1899
	31.9°F (-0.1°C)	34.0°F (1.1°C)	-2.1°F (-1.2°C)	109th Warmest	Warmest since: 1911	2016
	Ties: 1903, 1962
Aug 1912–May 1913 10-Month	34.7°F (1.5°C)	37.0°F (2.8°C)	-2.3°F (-1.3°C)	14th Coolest	Coolest since: 1912	1917
Aug 1912–May 1913 10-Month	34.7°F (1.5°C)	37.0°F (2.8°C)	-2.3°F (-1.3°C)	114th Warmest	Warmest since: 1911	1992, 2016
Jul 1912–May 1913 11-Month	37.1°F (2.8°C)	39.6°F (4.2°C)	-2.5°F (-1.4°C)	9th Coolest	Coolest since: 1912	1917
Jul 1912–May 1913 11-Month	37.1°F (2.8°C)	39.6°F (4.2°C)	-2.5°F (-1.4°C)	119th Warmest	Warmest since: 1911	1992, 2016
Jun 1912–May 1913 12-Month	39.0°F (3.9°C)	41.1°F (5.1°C)	-2.1°F (-1.2°C)	11th Coolest	Coolest since: 1912	1917
	39.0°F (3.9°C)	41.1°F (5.1°C)	-2.1°F (-1.2°C)	117th Warmest	Warmest since: 1911	2016
	Ties: 1950
Dec 1911–May 1913 18-Month	35.1°F (1.7°C)	37.4°F (3.0°C)	-2.3°F (-1.3°C)	8th Coolest	Coolest since: 1912	1917
	35.1°F (1.7°C)	37.4°F (3.0°C)	-2.3°F (-1.3°C)	119th Warmest	Warmest since: 1912	2016
	Ties: 1912
Jun 1911–May 1913 24-Month	38.7°F (3.7°C)	41.1°F (5.1°C)	-2.4°F (-1.4°C)	3rd Coolest	Coolest since: 1899	1917
	38.7°F (3.7°C)	41.1°F (5.1°C)	-2.4°F (-1.4°C)	124th Warmest	Warmest since: 1912	2016
	Ties: 1899
Jun 1910–May 1913 36-Month	39.4°F (4.1°C)	41.1°F (5.1°C)	-1.7°F (-1.0°C)	6th Coolest	Coolest since: 1899	1918
	39.4°F (4.1°C)	41.1°F (5.1°C)	-1.7°F (-1.0°C)	120th Warmest	Warmest since: 1912	2017
	Ties: 1929
Jun 1909–May 1913 48-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	11th Coolest	Coolest since: 1900	1899, 1952
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	114th Warmest	Warmest since: 1912	2016
	Ties: 1950
Jun 1908–May 1913 60-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	8th Coolest	Coolest since: 1900	1952
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	116th Warmest	Warmest since: 1912	2016
	Ties: 1918

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings