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 1998

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1998 1-Month	60.4°F (15.8°C)	54.7°F (12.6°C)	5.7°F (3.2°C)	126th Coolest	Coolest since: 1997	1912, 1965
September 1998 1-Month	60.4°F (15.8°C)	54.7°F (12.6°C)	5.7°F (3.2°C)	3rd Warmest	Warmest since: 1990	1990
Aug–Sep 1998 2-Month	63.7°F (17.6°C)	59.1°F (15.1°C)	4.6°F (2.5°C)	126th Coolest	Coolest since: 1997	1912
Aug–Sep 1998 2-Month	63.7°F (17.6°C)	59.1°F (15.1°C)	4.6°F (2.5°C)	3rd Warmest	Warmest to Date	2022
Jul–Sep 1998 3-Month	65.5°F (18.6°C)	61.1°F (16.2°C)	4.4°F (2.4°C)	127th Coolest	Coolest since: 1997	1912
Jul–Sep 1998 3-Month	65.5°F (18.6°C)	61.1°F (16.2°C)	4.4°F (2.4°C)	2nd Warmest	Warmest to Date	2022
Jun–Sep 1998 4-Month	62.5°F (16.9°C)	60.0°F (15.6°C)	2.5°F (1.3°C)	117th Coolest	Coolest since: 1997	1993
	62.5°F (16.9°C)	60.0°F (15.6°C)	2.5°F (1.3°C)	12th Warmest	Warmest since: 1994	2021
	Ties: 1990
May–Sep 1998 5-Month	59.8°F (15.4°C)	57.8°F (14.3°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1997	1912
	59.8°F (15.4°C)	57.8°F (14.3°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1994	2021
	Ties: 1931, 2014
Apr–Sep 1998 6-Month	56.7°F (13.7°C)	55.0°F (12.8°C)	1.7°F (0.9°C)	106th Coolest	Coolest since: 1997	1912
	56.7°F (13.7°C)	55.0°F (12.8°C)	1.7°F (0.9°C)	23rd Warmest	Warmest since: 1994	2021
	Ties: 1931, 1949
Mar–Sep 1998 7-Month	53.5°F (11.9°C)	51.9°F (11.1°C)	1.6°F (0.8°C)	105th Coolest	Coolest since: 1997	1912
	53.5°F (11.9°C)	51.9°F (11.1°C)	1.6°F (0.8°C)	24th Warmest	Warmest since: 1994	1934, 2015
	Ties: 1936, 2020
Feb–Sep 1998 8-Month	50.5°F (10.3°C)	48.7°F (9.3°C)	1.8°F (1.0°C)	110th Coolest	Coolest since: 1997	1964
	50.5°F (10.3°C)	48.7°F (9.3°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 1994	1934, 2015
	Ties: 1926, 1990
Jan–Sep 1998 9-Month	48.0°F (8.9°C)	45.7°F (7.6°C)	2.3°F (1.3°C)	115th Coolest	Coolest since: 1997	1917
Jan–Sep 1998 9-Month	48.0°F (8.9°C)	45.7°F (7.6°C)	2.3°F (1.3°C)	14th Warmest	Warmest since: 1994	1934
Dec 1997–Sep 1998 10-Month	45.5°F (7.5°C)	43.5°F (6.4°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1997	1917
	45.5°F (7.5°C)	43.5°F (6.4°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 1994	1934
	Ties: 1926
Nov 1997–Sep 1998 11-Month	44.4°F (6.9°C)	42.4°F (5.8°C)	2.0°F (1.1°C)	112th Coolest	Coolest since: 1997	1917
	44.4°F (6.9°C)	42.4°F (5.8°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1994	1934
	Ties: 2020, 2022
Oct 1997–Sep 1998 12-Month	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 1997	1917
	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 1994	1934
	Ties: 1938, 1988
Apr 1997–Sep 1998 18-Month	48.1°F (8.9°C)	46.8°F (8.2°C)	1.3°F (0.7°C)	109th Coolest	Coolest since: 1997	1917
	48.1°F (8.9°C)	46.8°F (8.2°C)	1.3°F (0.7°C)	19th Warmest	Warmest since: 1992	2015
	Ties: 1938
Oct 1996–Sep 1998 24-Month	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 1997	1917
	43.9°F (6.6°C)	42.6°F (5.9°C)	1.3°F (0.7°C)	22nd Warmest	Warmest since: 1992	2016
	Ties: 1919, 1992, 2019
Oct 1995–Sep 1998 36-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1997	1917
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	26th Warmest	Warmest since: 1992	2017
	Ties: 2008
Oct 1994–Sep 1998 48-Month	43.4°F (6.3°C)	42.5°F (5.8°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1996	1913, 1917, 1932
	43.4°F (6.3°C)	42.5°F (5.8°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1997	2018
	Ties: 1936, 1989, 1995, 2012
Oct 1993–Sep 1998 60-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	104th Coolest	Coolest since: 1997	1917, 1933
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	20th Warmest	Warmest since: 1992	2016, 2017, 2018
	Ties: 1938, 1942, 1991, 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings