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 1920

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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 1920 1-Month	54.3°F (12.4°C)	54.7°F (12.6°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1916	1912, 1965
September 1920 1-Month	54.3°F (12.4°C)	54.7°F (12.6°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1919	1990
Aug–Sep 1920 2-Month	59.0°F (15.0°C)	59.2°F (15.1°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1918	1912
	59.0°F (15.0°C)	59.2°F (15.1°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1919	2022
	Ties: 1950, 1974, 1984
Jul–Sep 1920 3-Month	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1918	1912
Jul–Sep 1920 3-Month	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1919	2022
Jun–Sep 1920 4-Month	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1916	1993
	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 1919	2021
	Ties: 1897, 1909, 1956, 1959
May–Sep 1920 5-Month	57.3°F (14.1°C)	57.9°F (14.4°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1916	1912
	57.3°F (14.1°C)	57.9°F (14.4°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1919	2021
	Ties: 1941, 1954, 1971
Apr–Sep 1920 6-Month	53.8°F (12.1°C)	55.1°F (12.8°C)	-1.3°F (-0.7°C)	17th Coolest	Coolest since: 1916	1912
	53.8°F (12.1°C)	55.1°F (12.8°C)	-1.3°F (-0.7°C)	112th Warmest	Warmest since: 1919	2021
	Ties: 1978, 2010
Mar–Sep 1920 7-Month	50.5°F (10.3°C)	51.8°F (11.0°C)	-1.3°F (-0.7°C)	13th Coolest	Coolest since: 1917	1912
	50.5°F (10.3°C)	51.8°F (11.0°C)	-1.3°F (-0.7°C)	116th Warmest	Warmest since: 1919	1934, 2015
	Ties: 1945
Feb–Sep 1920 8-Month	47.7°F (8.7°C)	48.7°F (9.3°C)	-1.0°F (-0.6°C)	25th Coolest	Coolest since: 1917	1964
	47.7°F (8.7°C)	48.7°F (9.3°C)	-1.0°F (-0.6°C)	104th Warmest	Warmest since: 1919	1934, 2015
	Ties: 1902, 1916
Jan–Sep 1920 9-Month	44.9°F (7.2°C)	45.7°F (7.6°C)	-0.8°F (-0.4°C)	29th Coolest	Coolest since: 1917	1917
	44.9°F (7.2°C)	45.7°F (7.6°C)	-0.8°F (-0.4°C)	100th Warmest	Warmest since: 1919	1934
	Ties: 1907, 1923, 1976
Dec 1919–Sep 1920 10-Month	42.1°F (5.6°C)	43.5°F (6.4°C)	-1.4°F (-0.8°C)	18th Coolest	Coolest since: 1917	1917
	42.1°F (5.6°C)	43.5°F (6.4°C)	-1.4°F (-0.8°C)	110th Warmest	Warmest since: 1919	1934
	Ties: 1916, 1950
Nov 1919–Sep 1920 11-Month	40.8°F (4.9°C)	42.5°F (5.8°C)	-1.7°F (-0.9°C)	12th Coolest	Coolest since: 1917	1917
	40.8°F (4.9°C)	42.5°F (5.8°C)	-1.7°F (-0.9°C)	116th Warmest	Warmest since: 1919	1934
	Ties: 1903, 1937
Oct 1919–Sep 1920 12-Month	40.5°F (4.7°C)	42.6°F (5.9°C)	-2.1°F (-1.2°C)	4th Coolest	Coolest since: 1917	1917
	40.5°F (4.7°C)	42.6°F (5.9°C)	-2.1°F (-1.2°C)	124th Warmest	Warmest since: 1919	1934
	Ties: 1912, 1985
Apr 1919–Sep 1920 18-Month	45.8°F (7.7°C)	46.7°F (8.2°C)	-0.9°F (-0.5°C)	17th Coolest	Coolest since: 1917	1917
	45.8°F (7.7°C)	46.7°F (8.2°C)	-0.9°F (-0.5°C)	111th Warmest	Warmest since: 1919	2015
	Ties: 1922
Oct 1918–Sep 1920 24-Month	41.9°F (5.5°C)	42.6°F (5.9°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1918	1917
	41.9°F (5.5°C)	42.6°F (5.9°C)	-0.7°F (-0.4°C)	106th Warmest	Warmest since: 1919	2016
	Ties: 1903
Oct 1917–Sep 1920 36-Month	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	66th Coolest	Coolest since: 1919	1917
	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	60th Warmest	Warmest since: 1902	2017
	Ties: 1898, 1995
Oct 1916–Sep 1920 48-Month	41.8°F (5.4°C)	42.6°F (5.9°C)	-0.8°F (-0.5°C)	10th Coolest	Coolest since: 1917	1913, 1917, 1932
	41.8°F (5.4°C)	42.6°F (5.9°C)	-0.8°F (-0.5°C)	115th Warmest	Warmest since: 1919	2018
	Ties: 1912, 1915
Oct 1915–Sep 1920 60-Month	41.7°F (5.4°C)	42.6°F (5.9°C)	-0.9°F (-0.5°C)	3rd Coolest	Coolest since: 1917	1917, 1933
	41.7°F (5.4°C)	42.6°F (5.9°C)	-0.9°F (-0.5°C)	121st Warmest	Warmest since: 1919	2016, 2017, 2018
	Ties: 1913, 1916, 1932, 1952, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings