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

Minimum Temperature Rankings, December 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1940 1-Month	19.3°F (-7.1°C)	16.2°F (-8.8°C)	3.1°F (1.7°C)	97th Coolest	Coolest since: 1938	1990
	19.3°F (-7.1°C)	16.2°F (-8.8°C)	3.1°F (1.7°C)	32nd Warmest	Warmest since: 1939	1917
	Ties: 2021
Nov–Dec 1940 2-Month	19.6°F (-6.9°C)	19.5°F (-6.9°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1938	1985
	19.6°F (-6.9°C)	19.5°F (-6.9°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1939	1917
	Ties: 1915, 2018
Oct–Dec 1940 3-Month	25.0°F (-3.9°C)	23.6°F (-4.7°C)	1.4°F (0.8°C)	91st Coolest	Coolest since: 1938	1985
	25.0°F (-3.9°C)	23.6°F (-4.7°C)	1.4°F (0.8°C)	38th Warmest	Warmest since: 1939	1950
	Ties: 1920, 1975, 1996
Sep–Dec 1940 4-Month	30.2°F (-1.0°C)	27.8°F (-2.3°C)	2.4°F (1.3°C)	122nd Coolest	Coolest since: 1939	1985
	30.2°F (-1.0°C)	27.8°F (-2.3°C)	2.4°F (1.3°C)	7th Warmest	Warmest since: 1937	1950
	Ties: 1910
Aug–Dec 1940 5-Month	33.7°F (0.9°C)	31.7°F (-0.2°C)	2.0°F (1.1°C)	120th Coolest	Coolest since: 1939	1985
	33.7°F (0.9°C)	31.7°F (-0.2°C)	2.0°F (1.1°C)	9th Warmest	Warmest since: 1937	2014
	Ties: 1937, 2003
Jul–Dec 1940 6-Month	36.5°F (2.5°C)	34.6°F (1.4°C)	1.9°F (1.1°C)	118th Coolest	Coolest since: 1939	1985
	36.5°F (2.5°C)	34.6°F (1.4°C)	1.9°F (1.1°C)	11th Warmest	Warmest since: 1937	2021
	Ties: 2001, 2004
Jun–Dec 1940 7-Month	37.7°F (3.2°C)	35.8°F (2.1°C)	1.9°F (1.1°C)	121st Coolest	Coolest since: 1939	1916
Jun–Dec 1940 7-Month	37.7°F (3.2°C)	35.8°F (2.1°C)	1.9°F (1.1°C)	8th Warmest	Warmest to Date	2021
May–Dec 1940 8-Month	37.7°F (3.2°C)	35.8°F (2.1°C)	1.9°F (1.1°C)	121st Coolest	Coolest since: 1939	1916
May–Dec 1940 8-Month	37.7°F (3.2°C)	35.8°F (2.1°C)	1.9°F (1.1°C)	8th Warmest	Warmest to Date	2021
Apr–Dec 1940 9-Month	37.1°F (2.8°C)	35.2°F (1.8°C)	1.9°F (1.0°C)	124th Coolest	Coolest since: 1939	1916
Apr–Dec 1940 9-Month	37.1°F (2.8°C)	35.2°F (1.8°C)	1.9°F (1.0°C)	5th Warmest	Warmest since: 1934	2021
Mar–Dec 1940 10-Month	36.0°F (2.2°C)	33.9°F (1.1°C)	2.1°F (1.1°C)	123rd Coolest	Coolest since: 1939	1916
	36.0°F (2.2°C)	33.9°F (1.1°C)	2.1°F (1.1°C)	6th Warmest	Warmest since: 1934	2015
	Ties: 2003, 2016
Feb–Dec 1940 11-Month	34.7°F (1.5°C)	32.3°F (0.2°C)	2.4°F (1.3°C)	124th Coolest	Coolest since: 1939	1985
	34.7°F (1.5°C)	32.3°F (0.2°C)	2.4°F (1.3°C)	5th Warmest	Warmest since: 1934	2015
	Ties: 2014, 2021
Jan–Dec 1940 12-Month	33.2°F (0.7°C)	30.8°F (-0.7°C)	2.4°F (1.4°C)	122nd Coolest	Coolest since: 1939	1985
	33.2°F (0.7°C)	30.8°F (-0.7°C)	2.4°F (1.4°C)	7th Warmest	Warmest since: 1934	1934, 2015
	Ties: 1998
Jul 1939–Dec 1940 18-Month	34.1°F (1.2°C)	32.1°F (0.1°C)	2.0°F (1.1°C)	122nd Coolest	Coolest since: 1939	1985
	34.1°F (1.2°C)	32.1°F (0.1°C)	2.0°F (1.1°C)	6th Warmest	Warmest since: 1934	2015
	Ties: 2003, 2004, 2018
Jan 1939–Dec 1940 24-Month	32.3°F (0.2°C)	30.8°F (-0.7°C)	1.5°F (0.9°C)	115th Coolest	Coolest since: 1939	1985
	32.3°F (0.2°C)	30.8°F (-0.7°C)	1.5°F (0.9°C)	13th Warmest	Warmest since: 1926	2015, 2016
	Ties: 1995, 1999, 2007, 2013
Jan 1938–Dec 1940 36-Month	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	115th Coolest	Coolest since: 1939	1930, 1931
	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	12th Warmest	Warmest to Date	2016
	Ties: 2000, 2003, 2020
Jan 1937–Dec 1940 48-Month	31.6°F (-0.2°C)	30.8°F (-0.7°C)	0.8°F (0.5°C)	99th Coolest	Coolest since: 1939	1932
	31.6°F (-0.2°C)	30.8°F (-0.7°C)	0.8°F (0.5°C)	27th Warmest	Warmest since: 1928	2017
	Ties: 1928, 2002, 2008, 2012
Jan 1936–Dec 1940 60-Month	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	91st Coolest	Coolest since: 1939	1932, 1933
	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	34th Warmest	Warmest to Date	2018
	Ties: 1943, 1981, 1984, 2012

Citing This Page

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