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, December 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1990 1-Month	14.5°F (-9.7°C)	23.9°F (-4.5°C)	-9.4°F (-5.2°C)	1st Coolest	Coolest since: 1990	1990
December 1990 1-Month	14.5°F (-9.7°C)	23.9°F (-4.5°C)	-9.4°F (-5.2°C)	128th Warmest	Warmest since: 1989	1917
Nov–Dec 1990 2-Month	23.8°F (-4.6°C)	27.8°F (-2.3°C)	-4.0°F (-2.3°C)	10th Coolest	Coolest since: 1985	1985
Nov–Dec 1990 2-Month	23.8°F (-4.6°C)	27.8°F (-2.3°C)	-4.0°F (-2.3°C)	119th Warmest	Warmest since: 1989	1917
Oct–Dec 1990 3-Month	30.1°F (-1.1°C)	33.2°F (0.7°C)	-3.1°F (-1.8°C)	8th Coolest	Coolest since: 1985	1985
	30.1°F (-1.1°C)	33.2°F (0.7°C)	-3.1°F (-1.8°C)	121st Warmest	Warmest since: 1989	1917
	Ties: 1948
Sep–Dec 1990 4-Month	38.0°F (3.3°C)	38.6°F (3.7°C)	-0.6°F (-0.4°C)	40th Coolest	Coolest since: 1986	1985
	38.0°F (3.3°C)	38.6°F (3.7°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 1989	1917
	Ties: 1908, 1955
Aug–Dec 1990 5-Month	43.3°F (6.3°C)	43.6°F (6.4°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1985	1985
	43.3°F (6.3°C)	43.6°F (6.4°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1989	1917
	Ties: 1896, 1918, 1955
Jul–Dec 1990 6-Month	47.2°F (8.4°C)	47.2°F (8.4°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1986	1985
	47.2°F (8.4°C)	47.2°F (8.4°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1989	1917
	Ties: 1954, 1965, 1976
Jun–Dec 1990 7-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	54th Coolest	Coolest since: 1985	1985
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	75th Warmest	Warmest since: 1989	2021
	Ties: 1897, 1900, 1941, 2005
May–Dec 1990 8-Month	48.4°F (9.1°C)	48.6°F (9.2°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1985	1916
	48.4°F (9.1°C)	48.6°F (9.2°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1989	2021
	Ties: 1896, 1928, 1946, 2010
Apr–Dec 1990 9-Month	48.2°F (9.0°C)	47.8°F (8.8°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1986	1916
	48.2°F (9.0°C)	47.8°F (8.8°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1989	2021
	Ties: 1947, 1973, 1980, 2019
Mar–Dec 1990 10-Month	47.0°F (8.3°C)	46.3°F (7.9°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1985	1916, 1985
	47.0°F (8.3°C)	46.3°F (7.9°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1989	1934
	Ties: 1904, 1963, 2000
Feb–Dec 1990 11-Month	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1989	1985
	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1988	1934
	Ties: 1967, 1997
Jan–Dec 1990 12-Month	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1989	1985
	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1988	1934
	Ties: 1963, 1966
Jul 1989–Dec 1990 18-Month	45.0°F (7.2°C)	44.1°F (6.7°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1989	1985
	45.0°F (7.2°C)	44.1°F (6.7°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1988	1934
	Ties: 1961, 1995
Jan 1989–Dec 1990 24-Month	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1986	1985
	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1989	2015, 2016
	Ties: 2010
Jan 1988–Dec 1990 36-Month	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1987	1913
	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1989	2016
	Ties: 1927
Jan 1987–Dec 1990 48-Month	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	106th Coolest	Coolest since: 1988	1985
	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	20th Warmest	Warmest since: 1989	2017
	Ties: 2002
Jan 1986–Dec 1990 60-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	109th Coolest	Coolest since: 1989	1913, 1916
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	16th Warmest	Warmest to Date	2016, 2018
	Ties: 2002, 2008

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