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 1897

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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 1897 1-Month	55.1°F (12.8°C)	54.7°F (12.6°C)	0.4°F (0.2°C)	66th Coolest	Coolest since: 1896	1912, 1965
	55.1°F (12.8°C)	54.7°F (12.6°C)	0.4°F (0.2°C)	63rd Warmest	Warmest to Date	1990
	Ties: 2006
Aug–Sep 1897 2-Month	60.6°F (15.9°C)	59.2°F (15.1°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1896	1912
	60.6°F (15.9°C)	59.2°F (15.1°C)	1.4°F (0.8°C)	30th Warmest	Warmest to Date	2022
	Ties: 1904, 1953, 2018, 2021
Jul–Sep 1897 3-Month	61.1°F (16.2°C)	61.1°F (16.2°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1895	1912
	61.1°F (16.2°C)	61.1°F (16.2°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1896	2022
	Ties: 1999, 2010
Jun–Sep 1897 4-Month	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1895	1993
	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 1896	2021
	Ties: 1909, 1920, 1956, 1959
May–Sep 1897 5-Month	59.2°F (15.1°C)	57.9°F (14.4°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1896	1912
	59.2°F (15.1°C)	57.9°F (14.4°C)	1.3°F (0.7°C)	29th Warmest	Warmest to Date	2021
	Ties: 1919, 2016
Apr–Sep 1897 6-Month	56.3°F (13.5°C)	55.1°F (12.8°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1896	1912
	56.3°F (13.5°C)	55.1°F (12.8°C)	1.2°F (0.7°C)	30th Warmest	Warmest to Date	2021
	Ties: 1930, 1939, 1961, 2009
Mar–Sep 1897 7-Month	51.9°F (11.1°C)	51.8°F (11.0°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1896	1912
	51.9°F (11.1°C)	51.8°F (11.0°C)	0.1°F (0.1°C)	69th Warmest	Warmest to Date	1934, 2015
	Ties: 1972
Feb–Sep 1897 8-Month	48.5°F (9.2°C)	48.7°F (9.3°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1896	1964
	48.5°F (9.2°C)	48.7°F (9.3°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest to Date	1934, 2015
	Ties: 1904, 1937, 1953, 1970
Jan–Sep 1897 9-Month	45.6°F (7.6°C)	45.7°F (7.6°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1895	1917
	45.6°F (7.6°C)	45.7°F (7.6°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1896	1934
	Ties: 1904, 1906, 1909, 1968, 1973
Dec 1896–Sep 1897 10-Month	44.0°F (6.7°C)	43.5°F (6.4°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1896	1917
	44.0°F (6.7°C)	43.5°F (6.4°C)	0.5°F (0.3°C)	56th Warmest	Warmest to Date	1934
	Ties: 1905
Nov 1896–Sep 1897 11-Month	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1896	1917
	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1896	1934
	Ties: 1896, 1904, 1908, 1909, 1927, 1928
Oct 1896–Sep 1897 12-Month	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest to Date	1917
	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1896	1934
	Ties: 1907, 1924, 1991
Apr 1896–Sep 1897 18-Month	46.4°F (8.0°C)	46.7°F (8.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest to Date	1917
	46.4°F (8.0°C)	46.7°F (8.2°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1896	2015
	Ties: 1928, 1957, 2011
Oct 1895–Sep 1897 24-Month	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	53rd Coolest	Coolest to Date	1917
	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	74th Warmest	Warmest to Date	2016
	Ties: 1902, 1909, 1928, 1931, 1942, 1948, 1962

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings