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 1987

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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 1987 1-Month	57.8°F (14.3°C)	54.7°F (12.6°C)	3.1°F (1.7°C)	114th Coolest	Coolest since: 1986	1912, 1965
	57.8°F (14.3°C)	54.7°F (12.6°C)	3.1°F (1.7°C)	15th Warmest	Warmest since: 1979	1990
	Ties: 1943
Aug–Sep 1987 2-Month	59.8°F (15.4°C)	59.2°F (15.1°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 1986	1912
	59.8°F (15.4°C)	59.2°F (15.1°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 1983	2022
	Ties: 1999
Jul–Sep 1987 3-Month	60.7°F (15.9°C)	61.1°F (16.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1986	1912
	60.7°F (15.9°C)	61.1°F (16.2°C)	-0.4°F (-0.3°C)	88th Warmest	Warmest since: 1984	2022
	Ties: 1945, 1983
Jun–Sep 1987 4-Month	60.5°F (15.8°C)	60.0°F (15.6°C)	0.5°F (0.2°C)	76th Coolest	Coolest since: 1986	1993
	60.5°F (15.8°C)	60.0°F (15.6°C)	0.5°F (0.2°C)	53rd Warmest	Warmest since: 1981	2021
	Ties: 1952, 1963, 1969, 1992, 2004
May–Sep 1987 5-Month	59.0°F (15.0°C)	57.9°F (14.4°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1986	1912
	59.0°F (15.0°C)	57.9°F (14.4°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1979	2021
	Ties: 1969, 1997
Apr–Sep 1987 6-Month	57.0°F (13.9°C)	55.1°F (12.8°C)	1.9°F (1.1°C)	111th Coolest	Coolest since: 1986	1912
Apr–Sep 1987 6-Month	57.0°F (13.9°C)	55.1°F (12.8°C)	1.9°F (1.1°C)	18th Warmest	Warmest since: 1940	2021
Mar–Sep 1987 7-Month	53.9°F (12.2°C)	51.8°F (11.0°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 1986	1912
	53.9°F (12.2°C)	51.8°F (11.0°C)	2.1°F (1.2°C)	15th Warmest	Warmest since: 1940	1934, 2015
	Ties: 2018
Feb–Sep 1987 8-Month	51.0°F (10.6°C)	48.7°F (9.3°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 1986	1964
	51.0°F (10.6°C)	48.7°F (9.3°C)	2.3°F (1.3°C)	11th Warmest	Warmest since: 1940	1934, 2015
	Ties: 2003
Jan–Sep 1987 9-Month	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	111th Coolest	Coolest since: 1986	1917
	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	18th Warmest	Warmest since: 1961	1934
	Ties: 2001, 2006
Dec 1986–Sep 1987 10-Month	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1986	1917
	45.3°F (7.4°C)	43.5°F (6.4°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 1981	1934
	Ties: 1958, 1961, 2013
Nov 1986–Sep 1987 11-Month	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1986	1917
	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1981	1934
	Ties: 1900, 1938, 1961
Oct 1986–Sep 1987 12-Month	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1986	1917
Oct 1986–Sep 1987 12-Month	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1981	1934
Apr 1986–Sep 1987 18-Month	47.8°F (8.8°C)	46.7°F (8.2°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1986	1917
	47.8°F (8.8°C)	46.7°F (8.2°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 1981	2015
	Ties: 1959, 1995, 2006
Oct 1985–Sep 1987 24-Month	43.2°F (6.2°C)	42.6°F (5.9°C)	0.6°F (0.3°C)	86th Coolest	Coolest since: 1986	1917
	43.2°F (6.2°C)	42.6°F (5.9°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1982	2016
	Ties: 1901, 1968, 1982, 2002
Oct 1984–Sep 1987 36-Month	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	38th Coolest	Coolest since: 1986	1917
	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1983	2017
	Ties: 1901, 1911, 1916, 1919, 1945, 1974
Oct 1983–Sep 1987 48-Month	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1986	1913, 1917, 1932
	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	104th Warmest	Warmest since: 1984	2018
	Ties: 1899, 1924, 1930, 1945, 1957, 1958, 1975, 1976
Oct 1982–Sep 1987 60-Month	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	23rd Coolest	Coolest since: 1986	1917, 1933
	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	101st Warmest	Warmest since: 1985	2016, 2017, 2018
	Ties: 1919, 1956, 1979, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings