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 1998

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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
December 1998 1-Month	22.6°F (-5.2°C)	23.9°F (-4.5°C)	-1.3°F (-0.7°C)	39th Coolest	Coolest since: 1992	1990
	22.6°F (-5.2°C)	23.9°F (-4.5°C)	-1.3°F (-0.7°C)	90th Warmest	Warmest since: 1997	1917
	Ties: 1970, 2008
Nov–Dec 1998 2-Month	28.5°F (-1.9°C)	27.8°F (-2.3°C)	0.7°F (0.4°C)	73rd Coolest	Coolest since: 1994	1985
	28.5°F (-1.9°C)	27.8°F (-2.3°C)	0.7°F (0.4°C)	56th Warmest	Warmest since: 1997	1917
	Ties: 1897, 2007
Oct–Dec 1998 3-Month	33.4°F (0.8°C)	33.2°F (0.7°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1997	1985
	33.4°F (0.8°C)	33.2°F (0.7°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1996	1917
	Ties: 1915, 2018
Sep–Dec 1998 4-Month	40.2°F (4.6°C)	38.6°F (3.7°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 1997	1985
	40.2°F (4.6°C)	38.6°F (3.7°C)	1.6°F (0.9°C)	29th Warmest	Warmest since: 1995	1917
	Ties: 1979, 1981
Aug–Dec 1998 5-Month	45.5°F (7.5°C)	43.6°F (6.4°C)	1.9°F (1.1°C)	111th Coolest	Coolest since: 1997	1985
	45.5°F (7.5°C)	43.6°F (6.4°C)	1.9°F (1.1°C)	18th Warmest	Warmest since: 1981	1917
	Ties: 1934, 1981
Jul–Dec 1998 6-Month	49.5°F (9.7°C)	47.2°F (8.4°C)	2.3°F (1.3°C)	120th Coolest	Coolest since: 1997	1985
	49.5°F (9.7°C)	47.2°F (8.4°C)	2.3°F (1.3°C)	9th Warmest	Warmest since: 1939	1917
	Ties: 2022
Jun–Dec 1998 7-Month	50.0°F (10.0°C)	48.5°F (9.2°C)	1.5°F (0.8°C)	108th Coolest	Coolest since: 1997	1985
	50.0°F (10.0°C)	48.5°F (9.2°C)	1.5°F (0.8°C)	21st Warmest	Warmest since: 1988	2021
	Ties: 1999
May–Dec 1998 8-Month	49.9°F (9.9°C)	48.6°F (9.2°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 1997	1916
	49.9°F (9.9°C)	48.6°F (9.2°C)	1.3°F (0.7°C)	24th Warmest	Warmest since: 1988	2021
	Ties: 1966, 2016
Apr–Dec 1998 9-Month	49.0°F (9.4°C)	47.8°F (8.8°C)	1.2°F (0.6°C)	105th Coolest	Coolest since: 1997	1916
	49.0°F (9.4°C)	47.8°F (8.8°C)	1.2°F (0.6°C)	24th Warmest	Warmest since: 1994	2021
	Ties: 1926, 1949, 1994, 2004
Mar–Dec 1998 10-Month	47.5°F (8.6°C)	46.3°F (7.9°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 1997	1985
	47.5°F (8.6°C)	46.3°F (7.9°C)	1.2°F (0.7°C)	26th Warmest	Warmest since: 1994	1934
	Ties: 1936
Feb–Dec 1998 11-Month	45.8°F (7.7°C)	44.5°F (6.9°C)	1.3°F (0.8°C)	108th Coolest	Coolest since: 1997	1985
	45.8°F (7.7°C)	44.5°F (6.9°C)	1.3°F (0.8°C)	21st Warmest	Warmest since: 1992	1934
	Ties: 2013, 2018
Jan–Dec 1998 12-Month	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	115th Coolest	Coolest since: 1997	1985
	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	14th Warmest	Warmest since: 1994	1934
	Ties: 1981, 1994, 2017, 2020
Jul 1997–Dec 1998 18-Month	45.4°F (7.4°C)	44.1°F (6.7°C)	1.3°F (0.7°C)	108th Coolest	Coolest since: 1997	1985
	45.4°F (7.4°C)	44.1°F (6.7°C)	1.3°F (0.7°C)	20th Warmest	Warmest since: 1992	1934
	Ties: 1926, 1981, 1988, 2006
Jan 1997–Dec 1998 24-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 1997	1985
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 1995	2015, 2016
	Ties: 1981, 2000, 2019
Jan 1996–Dec 1998 36-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1997	1913
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	29th Warmest	Warmest since: 1996	2016
	Ties: 2012
Jan 1995–Dec 1998 48-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	104th Coolest	Coolest since: 1997	1985
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	22nd Warmest	Warmest since: 1997	2017
	Ties: 1940, 1942, 1992, 1997, 1999, 2009, 2013
Jan 1994–Dec 1998 60-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	106th Coolest	Coolest since: 1997	1913, 1916
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	19th Warmest	Warmest since: 1992	2016, 2018
	Ties: 1992, 2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings