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.

Idaho

Average Temperature Rankings, January 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1940 1-Month	23.8°F (-4.6°C)	22.0°F (-5.6°C)	1.8°F (1.0°C)	70th Coolest	Coolest since: 1937	1949
	23.8°F (-4.6°C)	22.0°F (-5.6°C)	1.8°F (1.0°C)	59th Warmest	Warmest since: 1939	1953
	Ties: 1919
Dec 1939–Jan 1940 2-Month	27.8°F (-2.3°C)	23.0°F (-5.0°C)	4.8°F (2.7°C)	120th Coolest	Coolest since: 1939	1949
	27.8°F (-2.3°C)	23.0°F (-5.0°C)	4.8°F (2.7°C)	8th Warmest	Warmest since: 1934	1934
	Ties: 1978, 2018
Nov 1939–Jan 1940 3-Month	30.1°F (-1.1°C)	25.9°F (-3.4°C)	4.2°F (2.3°C)	122nd Coolest	Coolest since: 1939	1949
	30.1°F (-1.1°C)	25.9°F (-3.4°C)	4.2°F (2.3°C)	6th Warmest	Warmest since: 1934	1934
	Ties: 2000
Oct 1939–Jan 1940 4-Month	33.7°F (0.9°C)	30.4°F (-0.9°C)	3.3°F (1.8°C)	120th Coolest	Coolest since: 1939	1949
Oct 1939–Jan 1940 4-Month	33.7°F (0.9°C)	30.4°F (-0.9°C)	3.3°F (1.8°C)	8th Warmest	Warmest since: 1938	1934
Sep 1939–Jan 1940 5-Month	38.2°F (3.4°C)	35.3°F (1.8°C)	2.9°F (1.6°C)	121st Coolest	Coolest since: 1939	1949
	38.2°F (3.4°C)	35.3°F (1.8°C)	2.9°F (1.6°C)	7th Warmest	Warmest since: 1938	1918
	Ties: 2000
Aug 1939–Jan 1940 6-Month	42.6°F (5.9°C)	40.0°F (4.4°C)	2.6°F (1.5°C)	120th Coolest	Coolest since: 1939	1949
	42.6°F (5.9°C)	40.0°F (4.4°C)	2.6°F (1.5°C)	8th Warmest	Warmest since: 1938	1918, 1934
	Ties: 1938
Jul 1939–Jan 1940 7-Month	46.0°F (7.8°C)	43.6°F (6.4°C)	2.4°F (1.4°C)	118th Coolest	Coolest since: 1939	1949
Jul 1939–Jan 1940 7-Month	46.0°F (7.8°C)	43.6°F (6.4°C)	2.4°F (1.4°C)	10th Warmest	Warmest since: 1938	1918, 1934
Jun 1939–Jan 1940 8-Month	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1939	1917, 1949
	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	17th Warmest	Warmest since: 1938	2022
	Ties: 1954
May 1939–Jan 1940 9-Month	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	115th Coolest	Coolest since: 1939	1917
	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	13th Warmest	Warmest since: 1938	2022
	Ties: 1918, 2003, 2021
Apr 1939–Jan 1940 10-Month	47.3°F (8.5°C)	45.2°F (7.3°C)	2.1°F (1.2°C)	121st Coolest	Coolest since: 1939	1917
	47.3°F (8.5°C)	45.2°F (7.3°C)	2.1°F (1.2°C)	7th Warmest	Warmest since: 1935	2022
	Ties: 1941, 1959
Mar 1939–Jan 1940 11-Month	46.0°F (7.8°C)	44.0°F (6.7°C)	2.0°F (1.1°C)	117th Coolest	Coolest since: 1939	1949
	46.0°F (7.8°C)	44.0°F (6.7°C)	2.0°F (1.1°C)	11th Warmest	Warmest since: 1935	1935
	Ties: 2002, 2008
Feb 1939–Jan 1940 12-Month	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 1939	1949
	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	23rd Warmest	Warmest since: 1935	1935
	Ties: 1911, 1926, 1981
Aug 1938–Jan 1940 18-Month	43.0°F (6.1°C)	41.7°F (5.4°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1938	1986
	43.0°F (6.1°C)	41.7°F (5.4°C)	1.3°F (0.7°C)	25th Warmest	Warmest since: 1939	1935
	Ties: 1982, 1988, 2006
Feb 1938–Jan 1940 24-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1939	1986
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1936	2016
	Ties: 1990, 2021
Feb 1937–Jan 1940 36-Month	43.6°F (6.4°C)	42.5°F (5.8°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1939	1914, 1986
	43.6°F (6.4°C)	42.5°F (5.8°C)	1.1°F (0.6°C)	27th Warmest	Warmest since: 1936	2017, 2018
	Ties: 1935, 1982, 1997, 2010
Feb 1936–Jan 1940 48-Month	43.1°F (6.2°C)	42.5°F (5.8°C)	0.6°F (0.4°C)	85th Coolest	Coolest since: 1939	1986
	43.1°F (6.2°C)	42.5°F (5.8°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 1938	2018
	Ties: 1936, 1944, 1961, 1962, 1970, 1983, 1997
Feb 1935–Jan 1940 60-Month	42.8°F (6.0°C)	42.5°F (5.8°C)	0.3°F (0.2°C)	75th Coolest	Coolest since: 1937	1917
	42.8°F (6.0°C)	42.5°F (5.8°C)	0.3°F (0.2°C)	49th Warmest	Warmest since: 1939	2018
	Ties: 1928, 1929, 1937, 1964, 1968

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings