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 1965

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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 1965 1-Month	47.9°F (8.8°C)	50.2°F (10.1°C)	-2.3°F (-1.3°C)	28th Coolest	Coolest since: 1959	1907, 1927
	47.9°F (8.8°C)	50.2°F (10.1°C)	-2.3°F (-1.3°C)	101st Warmest	Warmest since: 1964	1934
	Ties: 1908, 1946
Apr–May 1965 2-Month	44.1°F (6.7°C)	45.5°F (7.5°C)	-1.4°F (-0.8°C)	39th Coolest	Coolest since: 1959	1975
Apr–May 1965 2-Month	44.1°F (6.7°C)	45.5°F (7.5°C)	-1.4°F (-0.8°C)	90th Warmest	Warmest since: 1964	1934
Mar–May 1965 3-Month	35.3°F (1.8°C)	40.1°F (4.5°C)	-4.8°F (-2.7°C)	5th Coolest	Coolest since: 1917	1899
Mar–May 1965 3-Month	35.3°F (1.8°C)	40.1°F (4.5°C)	-4.8°F (-2.7°C)	124th Warmest	Warmest since: 1964	1910
Feb–May 1965 4-Month	31.6°F (-0.2°C)	35.4°F (1.9°C)	-3.8°F (-2.1°C)	10th Coolest	Coolest since: 1955	1899
Feb–May 1965 4-Month	31.6°F (-0.2°C)	35.4°F (1.9°C)	-3.8°F (-2.1°C)	119th Warmest	Warmest since: 1964	1992
Jan–May 1965 5-Month	29.1°F (-1.6°C)	31.7°F (-0.2°C)	-2.6°F (-1.4°C)	20th Coolest	Coolest since: 1955	1899
	29.1°F (-1.6°C)	31.7°F (-0.2°C)	-2.6°F (-1.4°C)	109th Warmest	Warmest since: 1964	1992
	Ties: 1904, 1912
Dec 1964–May 1965 6-Month	26.2°F (-3.2°C)	29.9°F (-1.2°C)	-3.7°F (-2.0°C)	11th Coolest	Coolest since: 1950	1917
	26.2°F (-3.2°C)	29.9°F (-1.2°C)	-3.7°F (-2.0°C)	117th Warmest	Warmest since: 1964	1992
	Ties: 1907
Nov 1964–May 1965 7-Month	26.3°F (-3.2°C)	29.8°F (-1.2°C)	-3.5°F (-2.0°C)	6th Coolest	Coolest since: 1956	1899
	26.3°F (-3.2°C)	29.8°F (-1.2°C)	-3.5°F (-2.0°C)	122nd Warmest	Warmest since: 1964	1992
	Ties: 1920, 1936, 1949
Oct 1964–May 1965 8-Month	28.8°F (-1.8°C)	31.5°F (-0.3°C)	-2.7°F (-1.5°C)	15th Coolest	Coolest since: 1956	1899
Oct 1964–May 1965 8-Month	28.8°F (-1.8°C)	31.5°F (-0.3°C)	-2.7°F (-1.5°C)	113th Warmest	Warmest since: 1964	1934, 2000
Sep 1964–May 1965 9-Month	31.2°F (-0.4°C)	34.0°F (1.1°C)	-2.8°F (-1.5°C)	9th Coolest	Coolest since: 1950	1899
Sep 1964–May 1965 9-Month	31.2°F (-0.4°C)	34.0°F (1.1°C)	-2.8°F (-1.5°C)	119th Warmest	Warmest since: 1964	2016
Aug 1964–May 1965 10-Month	34.2°F (1.2°C)	37.0°F (2.8°C)	-2.8°F (-1.6°C)	8th Coolest	Coolest since: 1929	1917
Aug 1964–May 1965 10-Month	34.2°F (1.2°C)	37.0°F (2.8°C)	-2.8°F (-1.6°C)	120th Warmest	Warmest since: 1964	1992, 2016
Jul 1964–May 1965 11-Month	37.2°F (2.9°C)	39.6°F (4.2°C)	-2.4°F (-1.3°C)	10th Coolest	Coolest since: 1952	1917
	37.2°F (2.9°C)	39.6°F (4.2°C)	-2.4°F (-1.3°C)	118th Warmest	Warmest since: 1964	1992, 2016
	Ties: 1950, 1952, 1969
Jun 1964–May 1965 12-Month	38.9°F (3.8°C)	41.1°F (5.1°C)	-2.2°F (-1.3°C)	10th Coolest	Coolest since: 1952	1917
Jun 1964–May 1965 12-Month	38.9°F (3.8°C)	41.1°F (5.1°C)	-2.2°F (-1.3°C)	118th Warmest	Warmest since: 1964	2016
Dec 1963–May 1965 18-Month	36.1°F (2.3°C)	37.4°F (3.0°C)	-1.3°F (-0.7°C)	23rd Coolest	Coolest since: 1956	1917
	36.1°F (2.3°C)	37.4°F (3.0°C)	-1.3°F (-0.7°C)	104th Warmest	Warmest since: 1964	2016
	Ties: 1900, 1928
Jun 1963–May 1965 24-Month	40.9°F (4.9°C)	41.1°F (5.1°C)	-0.2°F (-0.2°C)	49th Coolest	Coolest since: 1960	1917
	40.9°F (4.9°C)	41.1°F (5.1°C)	-0.2°F (-0.2°C)	78th Warmest	Warmest since: 1964	2016
	Ties: 1967
Jun 1962–May 1965 36-Month	41.4°F (5.2°C)	41.1°F (5.1°C)	0.3°F (0.1°C)	73rd Coolest	Coolest since: 1960	1918
	41.4°F (5.2°C)	41.1°F (5.1°C)	0.3°F (0.1°C)	53rd Warmest	Warmest since: 1964	2017
	Ties: 1959, 1976, 1978, 1981, 1984, 2020
Jun 1961–May 1965 48-Month	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1960	1899, 1952
	41.2°F (5.1°C)	41.1°F (5.1°C)	0.1°F (0.0°C)	57th Warmest	Warmest since: 1964	2016
	Ties: 1903, 1921, 1939, 1945, 1956, 1960, 1976, 1978
Jun 1960–May 1965 60-Month	41.7°F (5.4°C)	41.1°F (5.1°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1963	1952
	41.7°F (5.4°C)	41.1°F (5.1°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 1964	2016
	Ties: 1945, 1985, 1996

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings