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 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2009 1-Month	11.5°F (-11.4°C)	16.2°F (-8.8°C)	-4.7°F (-2.6°C)	19th Coolest	Coolest since: 1990	1990
December 2009 1-Month	11.5°F (-11.4°C)	16.2°F (-8.8°C)	-4.7°F (-2.6°C)	110th Warmest	Warmest since: 2008	1917
Nov–Dec 2009 2-Month	17.2°F (-8.2°C)	19.5°F (-6.9°C)	-2.3°F (-1.3°C)	27th Coolest	Coolest since: 2000	1985
	17.2°F (-8.2°C)	19.5°F (-6.9°C)	-2.3°F (-1.3°C)	102nd Warmest	Warmest since: 2008	1917
	Ties: 1956
Oct–Dec 2009 3-Month	21.2°F (-6.0°C)	23.6°F (-4.7°C)	-2.4°F (-1.3°C)	17th Coolest	Coolest since: 1990	1985
Oct–Dec 2009 3-Month	21.2°F (-6.0°C)	23.6°F (-4.7°C)	-2.4°F (-1.3°C)	112th Warmest	Warmest since: 2008	1950
Sep–Dec 2009 4-Month	26.9°F (-2.8°C)	27.7°F (-2.4°C)	-0.8°F (-0.4°C)	35th Coolest	Coolest since: 2000	1985
	26.9°F (-2.8°C)	27.7°F (-2.4°C)	-0.8°F (-0.4°C)	94th Warmest	Warmest since: 2008	1950
	Ties: 1903, 1922
Aug–Dec 2009 5-Month	31.3°F (-0.4°C)	31.7°F (-0.2°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 2000	1985
	31.3°F (-0.4°C)	31.7°F (-0.2°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 2008	2014
	Ties: 1955, 1961
Jul–Dec 2009 6-Month	34.4°F (1.3°C)	34.6°F (1.4°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 2000	1985
	34.4°F (1.3°C)	34.6°F (1.4°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 2008	2021
	Ties: 1899, 1900, 1909, 1921, 1945
Jun–Dec 2009 7-Month	35.8°F (2.1°C)	35.8°F (2.1°C)	0.0°F (0.0°C)	47th Coolest	Coolest since: 2005	1916
	35.8°F (2.1°C)	35.8°F (2.1°C)	0.0°F (0.0°C)	82nd Warmest	Warmest since: 2008	2021
	Ties: 1913, 1936, 2005
May–Dec 2009 8-Month	35.9°F (2.2°C)	35.9°F (2.2°C)	0.0°F (0.0°C)	47th Coolest	Coolest since: 2000	1916
	35.9°F (2.2°C)	35.9°F (2.2°C)	0.0°F (0.0°C)	82nd Warmest	Warmest since: 2008	2021
	Ties: 1974, 2000
Apr–Dec 2009 9-Month	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	49th Coolest	Coolest since: 2008	1916
	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	80th Warmest	Warmest since: 2007	2021
	Ties: 1920, 1960, 1974, 1999
Mar–Dec 2009 10-Month	33.8°F (1.0°C)	33.9°F (1.1°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 2008	1916
	33.8°F (1.0°C)	33.9°F (1.1°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 2007	2015
	Ties: 1913, 1920, 1960, 1968, 2011
Feb–Dec 2009 11-Month	32.3°F (0.2°C)	32.3°F (0.2°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 2008	1985
	32.3°F (0.2°C)	32.3°F (0.2°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 2007	2015
	Ties: 2002
Jan–Dec 2009 12-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 2008	1985
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 2007	1934, 2015
	Ties: 1909, 1965, 1968, 1974, 1978, 1989, 2002
Jul 2008–Dec 2009 18-Month	32.5°F (0.3°C)	32.1°F (0.1°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 2008	1985
	32.5°F (0.3°C)	32.1°F (0.1°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 2007	2015
	Ties: 1927, 1954, 1959, 1968, 1991
Jan 2008–Dec 2009 24-Month	30.7°F (-0.7°C)	30.9°F (-0.6°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1986	1985
	30.7°F (-0.7°C)	30.9°F (-0.6°C)	-0.2°F (-0.1°C)	82nd Warmest	Warmest since: 2008	2015, 2016
	Ties: 1972, 1975
Jan 2007–Dec 2009 36-Month	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1993	1930, 1931
	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	43rd Warmest	Warmest since: 2008	2016
	Ties: 1935, 1991, 1993
Jan 2006–Dec 2009 48-Month	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	94th Coolest	Coolest since: 1996	1932
	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	32nd Warmest	Warmest since: 2008	2017
	Ties: 1981, 1990, 1994
Jan 2005–Dec 2009 60-Month	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	96th Coolest	Coolest since: 1997	1932, 1933
	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	29th Warmest	Warmest since: 2008	2018
	Ties: 1983, 1991, 1994, 1997

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