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 1900

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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 1900 1-Month	52.8°F (11.6°C)	54.7°F (12.6°C)	-1.9°F (-1.0°C)	25th Coolest	Coolest since: 1895	1912, 1965
	52.8°F (11.6°C)	54.7°F (12.6°C)	-1.9°F (-1.0°C)	104th Warmest	Warmest since: 1899	1990
	Ties: 1934
Aug–Sep 1900 2-Month	56.4°F (13.6°C)	59.2°F (15.1°C)	-2.8°F (-1.5°C)	4th Coolest	Coolest to Date	1912
	56.4°F (13.6°C)	59.2°F (15.1°C)	-2.8°F (-1.5°C)	125th Warmest	Warmest since: 1899	2022
	Ties: 1926, 1964
Jul–Sep 1900 3-Month	58.7°F (14.8°C)	61.1°F (16.2°C)	-2.4°F (-1.4°C)	5th Coolest	Coolest to Date	1912
	58.7°F (14.8°C)	61.1°F (16.2°C)	-2.4°F (-1.4°C)	124th Warmest	Warmest since: 1899	2022
	Ties: 1902
Jun–Sep 1900 4-Month	59.6°F (15.3°C)	60.0°F (15.6°C)	-0.4°F (-0.3°C)	40th Coolest	Coolest since: 1899	1993
	59.6°F (15.3°C)	60.0°F (15.6°C)	-0.4°F (-0.3°C)	89th Warmest	Warmest since: 1898	2021
	Ties: 1924
May–Sep 1900 5-Month	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	66th Coolest	Coolest since: 1899	1912
	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	63rd Warmest	Warmest since: 1898	2021
	Ties: 1923, 1926, 1935, 1946, 1986, 2005, 2011
Apr–Sep 1900 6-Month	55.5°F (13.1°C)	55.1°F (12.8°C)	0.4°F (0.3°C)	75th Coolest	Coolest since: 1899	1912
	55.5°F (13.1°C)	55.1°F (12.8°C)	0.4°F (0.3°C)	54th Warmest	Warmest since: 1898	2021
	Ties: 1981, 1985
Mar–Sep 1900 7-Month	53.1°F (11.7°C)	51.8°F (11.0°C)	1.3°F (0.7°C)	98th Coolest	Coolest since: 1899	1912
	53.1°F (11.7°C)	51.8°F (11.0°C)	1.3°F (0.7°C)	31st Warmest	Warmest to Date	1934, 2015
	Ties: 1939
Feb–Sep 1900 8-Month	49.7°F (9.8°C)	48.7°F (9.3°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1899	1964
Feb–Sep 1900 8-Month	49.7°F (9.8°C)	48.7°F (9.3°C)	1.0°F (0.5°C)	36th Warmest	Warmest to Date	1934, 2015
Jan–Sep 1900 9-Month	47.3°F (8.5°C)	45.7°F (7.6°C)	1.6°F (0.9°C)	103rd Coolest	Coolest since: 1899	1917
	47.3°F (8.5°C)	45.7°F (7.6°C)	1.6°F (0.9°C)	26th Warmest	Warmest to Date	1934
	Ties: 1926, 1958, 1988
Dec 1899–Sep 1900 10-Month	44.8°F (7.1°C)	43.5°F (6.4°C)	1.3°F (0.7°C)	96th Coolest	Coolest since: 1899	1917
	44.8°F (7.1°C)	43.5°F (6.4°C)	1.3°F (0.7°C)	32nd Warmest	Warmest to Date	1934
	Ties: 2017
Nov 1899–Sep 1900 11-Month	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1899	1917
	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	23rd Warmest	Warmest to Date	1934
	Ties: 1938, 1961, 1987
Oct 1899–Sep 1900 12-Month	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1899	1917
	43.8°F (6.6°C)	42.6°F (5.9°C)	1.2°F (0.7°C)	32nd Warmest	Warmest to Date	1934
	Ties: 1954, 2009, 2020
Apr 1899–Sep 1900 18-Month	47.0°F (8.3°C)	46.7°F (8.2°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1899	1917
	47.0°F (8.3°C)	46.7°F (8.2°C)	0.3°F (0.1°C)	58th Warmest	Warmest since: 1898	2015
	Ties: 1966, 1974, 1996, 2010
Oct 1898–Sep 1900 24-Month	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	30th Coolest	Coolest since: 1899	1917
	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	97th Warmest	Warmest since: 1898	2016
	Ties: 1907, 1916, 1924, 1943
Oct 1897–Sep 1900 36-Month	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1899	1917
	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1898	2017
	Ties: 1905, 1908, 1925, 1971
Oct 1896–Sep 1900 48-Month	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1899	1913, 1917, 1932
	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest to Date	2018
	Ties: 1901, 1902, 1909, 1911, 1929, 1944, 1971, 1978, 1979
Oct 1895–Sep 1900 60-Month	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest to Date	1917, 1933
	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1902, 1904, 1905, 1929, 1930, 1947, 1948, 1978, 1980, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings