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 2009

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2009 1-Month	60.1°F (15.6°C)	54.7°F (12.6°C)	5.4°F (3.0°C)	124th Coolest	Coolest since: 2008	1912, 1965
September 2009 1-Month	60.1°F (15.6°C)	54.7°F (12.6°C)	5.4°F (3.0°C)	5th Warmest	Warmest since: 1998	1990
Aug–Sep 2009 2-Month	62.0°F (16.7°C)	59.2°F (15.1°C)	2.8°F (1.6°C)	116th Coolest	Coolest since: 2008	1912
	62.0°F (16.7°C)	59.2°F (15.1°C)	2.8°F (1.6°C)	13th Warmest	Warmest since: 2003	2022
	Ties: 1963
Jul–Sep 2009 3-Month	63.2°F (17.3°C)	61.1°F (16.2°C)	2.1°F (1.1°C)	112th Coolest	Coolest since: 2008	1912
	63.2°F (17.3°C)	61.1°F (16.2°C)	2.1°F (1.1°C)	17th Warmest	Warmest since: 2007	2022
	Ties: 2018
Jun–Sep 2009 4-Month	61.5°F (16.4°C)	60.0°F (15.6°C)	1.5°F (0.8°C)	104th Coolest	Coolest since: 2008	1993
	61.5°F (16.4°C)	60.0°F (15.6°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 2007	2021
	Ties: 1960
May–Sep 2009 5-Month	59.4°F (15.2°C)	57.9°F (14.4°C)	1.5°F (0.8°C)	106th Coolest	Coolest since: 2008	1912
	59.4°F (15.2°C)	57.9°F (14.4°C)	1.5°F (0.8°C)	23rd Warmest	Warmest since: 2007	2021
	Ties: 1988, 1990, 1992
Apr–Sep 2009 6-Month	56.3°F (13.5°C)	55.1°F (12.8°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 2008	1912
	56.3°F (13.5°C)	55.1°F (12.8°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 2007	2021
	Ties: 1897, 1930, 1939, 1961
Mar–Sep 2009 7-Month	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 2008	1912
	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 2007	1934, 2015
	Ties: 1946, 1947, 1979, 2019
Feb–Sep 2009 8-Month	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 2008	1964
	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 2007	1934, 2015
	Ties: 1898, 1915, 1919, 1938, 1967
Jan–Sep 2009 9-Month	46.8°F (8.2°C)	45.7°F (7.6°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 2008	1917
	46.8°F (8.2°C)	45.7°F (7.6°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2007	1934
	Ties: 1953
Dec 2008–Sep 2009 10-Month	44.4°F (6.9°C)	43.5°F (6.4°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 2008	1917
	44.4°F (6.9°C)	43.5°F (6.4°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 2007	1934
	Ties: 1919, 1930, 1939, 1997
Nov 2008–Sep 2009 11-Month	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 2008	1917
	43.7°F (6.5°C)	42.5°F (5.8°C)	1.2°F (0.7°C)	31st Warmest	Warmest since: 2007	1934
	Ties: 1958, 1963, 1966, 2004
Oct 2008–Sep 2009 12-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 2008	1917
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 2007	1934
	Ties: 1900, 1954, 2020
Apr 2008–Sep 2009 18-Month	47.4°F (8.6°C)	46.7°F (8.2°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 2008	1917
	47.4°F (8.6°C)	46.7°F (8.2°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 2008	2015
	Ties: 1898, 1905, 1939, 1991, 1994, 1999, 2008
Oct 2007–Sep 2009 24-Month	43.0°F (6.1°C)	42.6°F (5.9°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1996	1917
	43.0°F (6.1°C)	42.6°F (5.9°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 2008	2016
	Ties: 1947, 1996
Oct 2006–Sep 2009 36-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1999	1917
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	28th Warmest	Warmest since: 2008	2017
	Ties: 1942, 1988, 1994, 1996
Oct 2005–Sep 2009 48-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	104th Coolest	Coolest since: 2002	1913, 1917, 1932
Oct 2005–Sep 2009 48-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	21st Warmest	Warmest since: 2008	2018
Oct 2004–Sep 2009 60-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	107th Coolest	Coolest since: 2002	1917, 1933
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	17th Warmest	Warmest since: 2008	2016, 2017, 2018
	Ties: 2000, 2002

Citing This Page

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