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 1949

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
May 1949 1-Month	53.6°F (12.0°C)	50.2°F (10.1°C)	3.4°F (1.9°C)	114th Coolest	Coolest since: 1948	1907, 1927
	53.6°F (12.0°C)	50.2°F (10.1°C)	3.4°F (1.9°C)	16th Warmest	Warmest since: 1940	1934
	Ties: 1980, 1994
Apr–May 1949 2-Month	50.0°F (10.0°C)	45.5°F (7.5°C)	4.5°F (2.5°C)	127th Coolest	Coolest since: 1948	1975
Apr–May 1949 2-Month	50.0°F (10.0°C)	45.5°F (7.5°C)	4.5°F (2.5°C)	3rd Warmest	Warmest since: 1934	1934
Mar–May 1949 3-Month	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	101st Coolest	Coolest since: 1948	1899
Mar–May 1949 3-Month	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	29th Warmest	Warmest since: 1946	1910
Feb–May 1949 4-Month	34.7°F (1.5°C)	35.4°F (1.9°C)	-0.7°F (-0.4°C)	52nd Coolest	Coolest since: 1948	1899
	34.7°F (1.5°C)	35.4°F (1.9°C)	-0.7°F (-0.4°C)	78th Warmest	Warmest since: 1946	1992
	Ties: 1943, 1945, 2021
Jan–May 1949 5-Month	28.4°F (-2.0°C)	31.7°F (-0.2°C)	-3.3°F (-1.8°C)	16th Coolest	Coolest since: 1937	1899
	28.4°F (-2.0°C)	31.7°F (-0.2°C)	-3.3°F (-1.8°C)	114th Warmest	Warmest since: 1948	1992
	Ties: 1909
Dec 1948–May 1949 6-Month	25.8°F (-3.4°C)	29.9°F (-1.2°C)	-4.1°F (-2.2°C)	7th Coolest	Coolest since: 1929	1917
Dec 1948–May 1949 6-Month	25.8°F (-3.4°C)	29.9°F (-1.2°C)	-4.1°F (-2.2°C)	122nd Warmest	Warmest since: 1948	1992
Nov 1948–May 1949 7-Month	26.3°F (-3.2°C)	29.8°F (-1.2°C)	-3.5°F (-2.0°C)	6th Coolest	Coolest since: 1936	1899
	26.3°F (-3.2°C)	29.8°F (-1.2°C)	-3.5°F (-2.0°C)	123rd Warmest	Warmest since: 1948	1992
	Ties: 1920, 1936, 1965
Oct 1948–May 1949 8-Month	28.5°F (-1.9°C)	31.5°F (-0.3°C)	-3.0°F (-1.6°C)	10th Coolest	Coolest since: 1936	1899
Oct 1948–May 1949 8-Month	28.5°F (-1.9°C)	31.5°F (-0.3°C)	-3.0°F (-1.6°C)	119th Warmest	Warmest since: 1948	1934, 2000
Sep 1948–May 1949 9-Month	31.7°F (-0.2°C)	34.0°F (1.1°C)	-2.3°F (-1.3°C)	16th Coolest	Coolest since: 1937	1899
	31.7°F (-0.2°C)	34.0°F (1.1°C)	-2.3°F (-1.3°C)	113th Warmest	Warmest since: 1948	2016
	Ties: 1937
Aug 1948–May 1949 10-Month	35.0°F (1.7°C)	37.0°F (2.8°C)	-2.0°F (-1.1°C)	20th Coolest	Coolest since: 1936	1917
Aug 1948–May 1949 10-Month	35.0°F (1.7°C)	37.0°F (2.8°C)	-2.0°F (-1.1°C)	109th Warmest	Warmest since: 1948	1992, 2016
Jul 1948–May 1949 11-Month	37.5°F (3.1°C)	39.6°F (4.2°C)	-2.1°F (-1.1°C)	15th Coolest	Coolest since: 1929	1917
	37.5°F (3.1°C)	39.6°F (4.2°C)	-2.1°F (-1.1°C)	114th Warmest	Warmest since: 1948	1992, 2016
	Ties: 1897, 1956
Jun 1948–May 1949 12-Month	39.3°F (4.1°C)	41.1°F (5.1°C)	-1.8°F (-1.0°C)	18th Coolest	Coolest since: 1936	1917
	39.3°F (4.1°C)	41.1°F (5.1°C)	-1.8°F (-1.0°C)	111th Warmest	Warmest since: 1948	2016
	Ties: 1896, 1936
Dec 1947–May 1949 18-Month	36.2°F (2.3°C)	37.4°F (3.0°C)	-1.2°F (-0.7°C)	26th Coolest	Coolest since: 1937	1917
	36.2°F (2.3°C)	37.4°F (3.0°C)	-1.2°F (-0.7°C)	102nd Warmest	Warmest since: 1948	2016
	Ties: 1997
Jun 1947–May 1949 24-Month	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1937	1917
	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1948	2016
	Ties: 1903, 1980, 1997
Jun 1946–May 1949 36-Month	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1930	1918
	40.2°F (4.6°C)	41.1°F (5.1°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1948	2017
	Ties: 1909, 1957, 1967
Jun 1945–May 1949 48-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	31st Coolest	Coolest since: 1931	1899, 1952
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	95th Warmest	Warmest since: 1948	2016
	Ties: 1902, 1925, 1931, 1968, 1969, 1975, 1980
Jun 1944–May 1949 60-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	32nd Coolest	Coolest since: 1931	1952
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	93rd Warmest	Warmest since: 1948	2016
	Ties: 1905, 1908, 1909, 1910, 1924, 1970, 1975, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings