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 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2009 1-Month	19.8°F (-6.8°C)	23.9°F (-4.5°C)	-4.1°F (-2.3°C)	19th Coolest	Coolest since: 1990	1990
	19.8°F (-6.8°C)	23.9°F (-4.5°C)	-4.1°F (-2.3°C)	110th Warmest	Warmest since: 2008	1917
	Ties: 1931
Nov–Dec 2009 2-Month	26.4°F (-3.1°C)	27.8°F (-2.3°C)	-1.4°F (-0.8°C)	34th Coolest	Coolest since: 2000	1985
	26.4°F (-3.1°C)	27.8°F (-2.3°C)	-1.4°F (-0.8°C)	95th Warmest	Warmest since: 2008	1917
	Ties: 1956
Oct–Dec 2009 3-Month	30.8°F (-0.7°C)	33.3°F (0.7°C)	-2.5°F (-1.4°C)	16th Coolest	Coolest since: 1994	1985
	30.8°F (-0.7°C)	33.3°F (0.7°C)	-2.5°F (-1.4°C)	113th Warmest	Warmest since: 2008	1917
	Ties: 1971, 1994
Sep–Dec 2009 4-Month	38.1°F (3.4°C)	38.6°F (3.7°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 2000	1985
	38.1°F (3.4°C)	38.6°F (3.7°C)	-0.5°F (-0.3°C)	86th Warmest	Warmest since: 2008	1917
	Ties: 2019
Aug–Dec 2009 5-Month	43.2°F (6.2°C)	43.5°F (6.4°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 2000	1985
	43.2°F (6.2°C)	43.5°F (6.4°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 2008	1917
	Ties: 1975, 1983
Jul–Dec 2009 6-Month	47.0°F (8.3°C)	47.2°F (8.4°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 2000	1985
	47.0°F (8.3°C)	47.2°F (8.4°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 2008	1917
	Ties: 1944, 1946, 1957
Jun–Dec 2009 7-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1993	1985
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 2008	2021
	Ties: 1946, 1959, 1975, 1976
May–Dec 2009 8-Month	48.6°F (9.2°C)	48.6°F (9.2°C)	0.0°F (0.0°C)	50th Coolest	Coolest since: 1993	1916
	48.6°F (9.2°C)	48.6°F (9.2°C)	0.0°F (0.0°C)	79th Warmest	Warmest since: 2008	2021
	Ties: 1942, 1976
Apr–Dec 2009 9-Month	47.8°F (8.8°C)	47.8°F (8.8°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1995	1916
	47.8°F (8.8°C)	47.8°F (8.8°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 2008	2021
	Ties: 1954, 1957, 1995
Mar–Dec 2009 10-Month	46.1°F (7.8°C)	46.2°F (7.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1993	1916, 1985
	46.1°F (7.8°C)	46.2°F (7.9°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 2008	1934
	Ties: 1907, 1914, 1942
Feb–Dec 2009 11-Month	44.4°F (6.9°C)	44.4°F (6.9°C)	0.0°F (0.0°C)	50th Coolest	Coolest since: 1993	1985
	44.4°F (6.9°C)	44.4°F (6.9°C)	0.0°F (0.0°C)	79th Warmest	Warmest since: 2008	1934
	Ties: 1897, 1930, 1933, 1960
Jan–Dec 2009 12-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2008	1985
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 2007	1934
	Ties: 1896, 1914, 1946, 1969, 1973, 1989
Jul 2008–Dec 2009 18-Month	44.7°F (7.1°C)	44.1°F (6.7°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 2008	1985
	44.7°F (7.1°C)	44.1°F (6.7°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 2007	1934
	Ties: 1907, 1966, 1997
Jan 2008–Dec 2009 24-Month	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1994	1985
	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	60th Warmest	Warmest since: 2008	2015, 2016
	Ties: 1897, 1900, 1905, 1910, 1938, 1978, 1982
Jan 2007–Dec 2009 36-Month	43.4°F (6.3°C)	42.6°F (5.9°C)	0.8°F (0.4°C)	94th Coolest	Coolest since: 1997	1913
	43.4°F (6.3°C)	42.6°F (5.9°C)	0.8°F (0.4°C)	33rd Warmest	Warmest since: 2008	2016
	Ties: 1934, 1942, 1994, 1997
Jan 2006–Dec 2009 48-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	104th Coolest	Coolest since: 1999	1985
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	22nd Warmest	Warmest since: 2008	2017
	Ties: 1940, 1942, 1992, 1997, 1998, 1999, 2013
Jan 2005–Dec 2009 60-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	104th Coolest	Coolest since: 2000	1913, 1916
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	21st Warmest	Warmest since: 2008	2016, 2018
	Ties: 1941, 1991, 1999, 2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings