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, September 2008

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2008 1-Month	55.5°F (13.1°C)	54.7°F (12.6°C)	0.8°F (0.5°C)	74th Coolest	Coolest since: 2007	1912, 1965
	55.5°F (13.1°C)	54.7°F (12.6°C)	0.8°F (0.5°C)	55th Warmest	Warmest since: 2003	1990
	Ties: 1928
Aug–Sep 2008 2-Month	60.2°F (15.7°C)	59.2°F (15.1°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 2007	1912
	60.2°F (15.7°C)	59.2°F (15.1°C)	1.0°F (0.6°C)	38th Warmest	Warmest since: 2007	2022
	Ties: 1905, 1930, 1937, 1943, 1983, 2000, 2007
Jul–Sep 2008 3-Month	62.3°F (16.8°C)	61.2°F (16.2°C)	1.1°F (0.6°C)	90th Coolest	Coolest since: 2005	1912
	62.3°F (16.8°C)	61.2°F (16.2°C)	1.1°F (0.6°C)	39th Warmest	Warmest since: 2007	2022
	Ties: 1923, 2000
Jun–Sep 2008 4-Month	60.8°F (16.0°C)	60.0°F (15.6°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 2005	1993
	60.8°F (16.0°C)	60.0°F (15.6°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 2007	2021
	Ties: 1896, 1935, 1949, 1977, 1989
May–Sep 2008 5-Month	58.4°F (14.7°C)	57.9°F (14.4°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 2005	1912
	58.4°F (14.7°C)	57.9°F (14.4°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 2007	2021
	Ties: 1918, 1957
Apr–Sep 2008 6-Month	54.7°F (12.6°C)	55.0°F (12.8°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1999	1912
	54.7°F (12.6°C)	55.0°F (12.8°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 2007	2021
	Ties: 1941, 1948, 1951, 1954
Mar–Sep 2008 7-Month	51.2°F (10.7°C)	51.8°F (11.0°C)	-0.6°F (-0.3°C)	34th Coolest	Coolest since: 1999	1912
	51.2°F (10.7°C)	51.8°F (11.0°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 2007	1934, 2015
	Ties: 1913, 1922, 1923, 1942, 1954, 2010
Feb–Sep 2008 8-Month	48.3°F (9.1°C)	48.7°F (9.3°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1999	1964
	48.3°F (9.1°C)	48.7°F (9.3°C)	-0.4°F (-0.2°C)	85th Warmest	Warmest since: 2007	1934, 2015
	Ties: 1896, 1959
Jan–Sep 2008 9-Month	45.1°F (7.3°C)	45.7°F (7.6°C)	-0.6°F (-0.3°C)	34th Coolest	Coolest since: 1993	1917
	45.1°F (7.3°C)	45.7°F (7.6°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 2007	1934
	Ties: 1943, 1979
Dec 2007–Sep 2008 10-Month	43.0°F (6.1°C)	43.6°F (6.4°C)	-0.6°F (-0.3°C)	32nd Coolest	Coolest since: 1993	1917
	43.0°F (6.1°C)	43.6°F (6.4°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 2007	1934
	Ties: 1927, 1945
Nov 2007–Sep 2008 11-Month	42.1°F (5.6°C)	42.5°F (5.8°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1993	1917
	42.1°F (5.6°C)	42.5°F (5.8°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 2007	1934
	Ties: 1936, 1943, 1960, 1972, 1989
Oct 2007–Sep 2008 12-Month	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1993	1917
	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 2007	1934
	Ties: 1936, 1956, 1960, 1986
Apr 2007–Sep 2008 18-Month	47.4°F (8.6°C)	46.8°F (8.2°C)	0.6°F (0.4°C)	87th Coolest	Coolest since: 1999	1917
	47.4°F (8.6°C)	46.8°F (8.2°C)	0.6°F (0.4°C)	41st Warmest	Warmest since: 2007	2015
	Ties: 1898, 1905, 1939, 1978, 1991, 1994, 1999, 2009
Oct 2006–Sep 2008 24-Month	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 2002	1917
	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 2007	2016
	Ties: 1926, 1959, 1989, 1991, 1999, 2020
Oct 2005–Sep 2008 36-Month	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1999	1917
	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	26th Warmest	Warmest since: 2007	2017
	Ties: 1998
Oct 2004–Sep 2008 48-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	106th Coolest	Coolest since: 2002	1913, 1917, 1932
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	19th Warmest	Warmest since: 2007	2018
	Ties: 1992
Oct 2003–Sep 2008 60-Month	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	111th Coolest	Coolest since: 2003	1917, 1933
	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	13th Warmest	Warmest since: 2007	2016, 2017, 2018
	Ties: 1992, 2003

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings