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 1989

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1989 1-Month	17.5°F (-8.1°C)	16.2°F (-8.8°C)	1.3°F (0.7°C)	79th Coolest	Coolest since: 1988	1990
	17.5°F (-8.1°C)	16.2°F (-8.8°C)	1.3°F (0.7°C)	50th Warmest	Warmest since: 1981	1917
	Ties: 1991
Nov–Dec 1989 2-Month	21.0°F (-6.1°C)	19.4°F (-7.0°C)	1.6°F (0.9°C)	86th Coolest	Coolest since: 1988	1985
	21.0°F (-6.1°C)	19.4°F (-7.0°C)	1.6°F (0.9°C)	43rd Warmest	Warmest since: 1981	1917
	Ties: 1907, 1921
Oct–Dec 1989 3-Month	24.9°F (-3.9°C)	23.6°F (-4.7°C)	1.3°F (0.8°C)	87th Coolest	Coolest since: 1987	1985
	24.9°F (-3.9°C)	23.6°F (-4.7°C)	1.3°F (0.8°C)	42nd Warmest	Warmest since: 1988	1950
	Ties: 1943
Sep–Dec 1989 4-Month	28.7°F (-1.8°C)	27.7°F (-2.4°C)	1.0°F (0.6°C)	82nd Coolest	Coolest since: 1988	1985
	28.7°F (-1.8°C)	27.7°F (-2.4°C)	1.0°F (0.6°C)	47th Warmest	Warmest since: 1988	1950
	Ties: 1988
Aug–Dec 1989 5-Month	32.4°F (0.2°C)	31.7°F (-0.2°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1988	1985
	32.4°F (0.2°C)	31.7°F (-0.2°C)	0.7°F (0.4°C)	50th Warmest	Warmest since: 1983	2014
	Ties: 1979
Jul–Dec 1989 6-Month	35.5°F (1.9°C)	34.6°F (1.4°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1988	1985
	35.5°F (1.9°C)	34.6°F (1.4°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1981	2021
	Ties: 1896, 1995, 1999, 2002, 2006
Jun–Dec 1989 7-Month	36.7°F (2.6°C)	35.7°F (2.1°C)	1.0°F (0.5°C)	91st Coolest	Coolest since: 1987	1916
	36.7°F (2.6°C)	35.7°F (2.1°C)	1.0°F (0.5°C)	38th Warmest	Warmest since: 1988	2021
	Ties: 2010
May–Dec 1989 8-Month	36.6°F (2.6°C)	35.9°F (2.2°C)	0.7°F (0.4°C)	91st Coolest	Coolest since: 1987	1916
	36.6°F (2.6°C)	35.9°F (2.2°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1988	2021
	Ties: 1910, 1966, 1967, 1980, 1987, 1994, 1995, 2002
Apr–Dec 1989 9-Month	36.1°F (2.3°C)	35.2°F (1.8°C)	0.9°F (0.5°C)	102nd Coolest	Coolest since: 1987	1916
	36.1°F (2.3°C)	35.2°F (1.8°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1988	2021
	Ties: 1910, 1926, 1939, 1994, 2019
Mar–Dec 1989 10-Month	35.0°F (1.7°C)	33.9°F (1.1°C)	1.1°F (0.6°C)	106th Coolest	Coolest since: 1988	1916
	35.0°F (1.7°C)	33.9°F (1.1°C)	1.1°F (0.6°C)	23rd Warmest	Warmest since: 1988	2015
	Ties: 1947, 1963, 1987, 1988, 2013
Feb–Dec 1989 11-Month	32.7°F (0.4°C)	32.4°F (0.2°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1985	1985
	32.7°F (0.4°C)	32.4°F (0.2°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1988	2015
	Ties: 1896, 1904, 1927, 1957, 1962, 1974, 1979
Jan–Dec 1989 12-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1985	1985
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1988	1934, 2015
	Ties: 1909, 1965, 1968, 1974, 1978, 2002, 2009
Jul 1988–Dec 1989 18-Month	32.4°F (0.2°C)	32.1°F (0.1°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1986	1985
	32.4°F (0.2°C)	32.1°F (0.1°C)	0.3°F (0.1°C)	58th Warmest	Warmest since: 1988	2015
	Ties: 1897, 1901, 1966, 2011
Jan 1988–Dec 1989 24-Month	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	85th Coolest	Coolest since: 1986	1985
	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	43rd Warmest	Warmest since: 1988	2015, 2016
	Ties: 1907, 1982, 2008, 2010
Jan 1987–Dec 1989 36-Month	31.6°F (-0.2°C)	30.9°F (-0.6°C)	0.7°F (0.4°C)	96th Coolest	Coolest since: 1987	1930, 1931
	31.6°F (-0.2°C)	30.9°F (-0.6°C)	0.7°F (0.4°C)	31st Warmest	Warmest since: 1988	2016
	Ties: 1981, 1982, 2008
Jan 1986–Dec 1989 48-Month	31.8°F (-0.1°C)	30.8°F (-0.7°C)	1.0°F (0.6°C)	105th Coolest	Coolest since: 1988	1932
	31.8°F (-0.1°C)	30.8°F (-0.7°C)	1.0°F (0.6°C)	21st Warmest	Warmest since: 1983	2017
	Ties: 1983, 2013
Jan 1985–Dec 1989 60-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1988	1932, 1933
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	52nd Warmest	Warmest since: 1984	2018
	Ties: 1908, 1929, 1944, 1967, 1974

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings