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 1988

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1988 1-Month	54.5°F (12.5°C)	54.7°F (12.6°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1986	1912, 1965
September 1988 1-Month	54.5°F (12.5°C)	54.7°F (12.6°C)	-0.2°F (-0.1°C)	82nd Warmest	Warmest since: 1987	1990
Aug–Sep 1988 2-Month	59.4°F (15.2°C)	59.2°F (15.1°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1986	1912
	59.4°F (15.2°C)	59.2°F (15.1°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1987	2022
	Ties: 1909, 1913, 1934, 1936, 2005, 2006
Jul–Sep 1988 3-Month	61.9°F (16.6°C)	61.2°F (16.2°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1987	1912
	61.9°F (16.6°C)	61.2°F (16.2°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1981	2022
	Ties: 1905, 1934, 1958, 1969, 2005
Jun–Sep 1988 4-Month	61.9°F (16.6°C)	60.0°F (15.6°C)	1.9°F (1.0°C)	111th Coolest	Coolest since: 1987	1993
	61.9°F (16.6°C)	60.0°F (15.6°C)	1.9°F (1.0°C)	18th Warmest	Warmest since: 1967	2021
	Ties: 1931
May–Sep 1988 5-Month	59.4°F (15.2°C)	57.8°F (14.3°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1987	1912
	59.4°F (15.2°C)	57.8°F (14.3°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1967	2021
	Ties: 1990, 1992, 2009
Apr–Sep 1988 6-Month	56.9°F (13.8°C)	55.0°F (12.8°C)	1.9°F (1.0°C)	110th Coolest	Coolest since: 1986	1912
Apr–Sep 1988 6-Month	56.9°F (13.8°C)	55.0°F (12.8°C)	1.9°F (1.0°C)	19th Warmest	Warmest since: 1987	2021
Mar–Sep 1988 7-Month	53.6°F (12.0°C)	51.8°F (11.0°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1986	1912
	53.6°F (12.0°C)	51.8°F (11.0°C)	1.8°F (1.0°C)	21st Warmest	Warmest since: 1987	1934, 2015
	Ties: 2000, 2004
Feb–Sep 1988 8-Month	50.6°F (10.3°C)	48.7°F (9.3°C)	1.9°F (1.0°C)	114th Coolest	Coolest since: 1986	1964
	50.6°F (10.3°C)	48.7°F (9.3°C)	1.9°F (1.0°C)	15th Warmest	Warmest since: 1987	1934, 2015
	Ties: 1961, 2001, 2014
Jan–Sep 1988 9-Month	47.3°F (8.5°C)	45.7°F (7.6°C)	1.6°F (0.9°C)	103rd Coolest	Coolest since: 1985	1917
	47.3°F (8.5°C)	45.7°F (7.6°C)	1.6°F (0.9°C)	26th Warmest	Warmest since: 1987	1934
	Ties: 1900, 1926, 1958, 2022
Dec 1987–Sep 1988 10-Month	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1986	1917
	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1987	1934
	Ties: 1938, 1967
Nov 1987–Sep 1988 11-Month	44.0°F (6.7°C)	42.5°F (5.8°C)	1.5°F (0.9°C)	101st Coolest	Coolest since: 1986	1917
	44.0°F (6.7°C)	42.5°F (5.8°C)	1.5°F (0.9°C)	27th Warmest	Warmest since: 1987	1934
	Ties: 1967, 2005, 2006
Oct 1987–Sep 1988 12-Month	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 1987	1917
	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 1981	1934
	Ties: 1938, 1998
Apr 1987–Sep 1988 18-Month	48.5°F (9.2°C)	46.7°F (8.2°C)	1.8°F (1.0°C)	114th Coolest	Coolest since: 1987	1917
	48.5°F (9.2°C)	46.7°F (8.2°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1940	2015
	Ties: 2004
Oct 1986–Sep 1988 24-Month	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 1987	1917
Oct 1986–Sep 1988 24-Month	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	15th Warmest	Warmest since: 1941	2016
Oct 1985–Sep 1988 36-Month	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1987	1917
	43.6°F (6.4°C)	42.6°F (5.9°C)	1.0°F (0.5°C)	28th Warmest	Warmest since: 1942	2017
	Ties: 1942, 1994, 1996, 2009
Oct 1984–Sep 1988 48-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	76th Coolest	Coolest since: 1987	1913, 1917, 1932
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	49th Warmest	Warmest since: 1983	2018
	Ties: 1926, 1954, 1959, 1960, 1963
Oct 1983–Sep 1988 60-Month	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1987	1917, 1933
	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1984	2016, 2017, 2018
	Ties: 1900, 1902, 1904, 1905, 1929, 1930, 1947, 1948, 1978, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings