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 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1938 1-Month	60.2°F (15.7°C)	54.7°F (12.6°C)	5.5°F (3.1°C)	125th Coolest	Coolest since: 1937	1912, 1965
September 1938 1-Month	60.2°F (15.7°C)	54.7°F (12.6°C)	5.5°F (3.1°C)	4th Warmest	Warmest to Date	1990
Aug–Sep 1938 2-Month	61.4°F (16.3°C)	59.1°F (15.1°C)	2.3°F (1.2°C)	112th Coolest	Coolest since: 1937	1912
	61.4°F (16.3°C)	59.1°F (15.1°C)	2.3°F (1.2°C)	17th Warmest	Warmest since: 1922	2022
	Ties: 1922
Jul–Sep 1938 3-Month	62.7°F (17.1°C)	61.2°F (16.2°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 1937	1912
	62.7°F (17.1°C)	61.2°F (16.2°C)	1.5°F (0.9°C)	21st Warmest	Warmest since: 1922	2022
	Ties: 1922, 1966, 2015
Jun–Sep 1938 4-Month	61.6°F (16.4°C)	60.0°F (15.6°C)	1.6°F (0.8°C)	105th Coolest	Coolest since: 1937	1993
Jun–Sep 1938 4-Month	61.6°F (16.4°C)	60.0°F (15.6°C)	1.6°F (0.8°C)	24th Warmest	Warmest since: 1936	2021
May–Sep 1938 5-Month	58.9°F (14.9°C)	57.9°F (14.4°C)	1.0°F (0.5°C)	90th Coolest	Coolest since: 1935	1912
	58.9°F (14.9°C)	57.9°F (14.4°C)	1.0°F (0.5°C)	39th Warmest	Warmest since: 1937	2021
	Ties: 1898
Apr–Sep 1938 6-Month	56.0°F (13.3°C)	55.0°F (12.8°C)	1.0°F (0.5°C)	88th Coolest	Coolest since: 1937	1912
	56.0°F (13.3°C)	55.0°F (12.8°C)	1.0°F (0.5°C)	41st Warmest	Warmest since: 1936	2021
	Ties: 1989
Mar–Sep 1938 7-Month	52.6°F (11.4°C)	51.9°F (11.1°C)	0.7°F (0.3°C)	83rd Coolest	Coolest since: 1937	1912
	52.6°F (11.4°C)	51.9°F (11.1°C)	0.7°F (0.3°C)	46th Warmest	Warmest since: 1936	1934, 2015
	Ties: 1997
Feb–Sep 1938 8-Month	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1937	1964
	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1934	1934, 2015
	Ties: 1898, 1915, 1919, 1967, 2009
Jan–Sep 1938 9-Month	46.9°F (8.3°C)	45.7°F (7.6°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1937	1917
	46.9°F (8.3°C)	45.7°F (7.6°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1934	1934
	Ties: 2005
Dec 1937–Sep 1938 10-Month	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1937	1917
	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1934	1934
	Ties: 1967, 1988
Nov 1937–Sep 1938 11-Month	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1937	1917
	44.1°F (6.7°C)	42.5°F (5.8°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1934	1934
	Ties: 1900, 1961, 1987
Oct 1937–Sep 1938 12-Month	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 1937	1917
	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 1934	1934
	Ties: 1988, 1998
Apr 1937–Sep 1938 18-Month	48.1°F (8.9°C)	46.7°F (8.2°C)	1.4°F (0.7°C)	109th Coolest	Coolest since: 1937	1917
	48.1°F (8.9°C)	46.7°F (8.2°C)	1.4°F (0.7°C)	19th Warmest	Warmest since: 1934	2015
	Ties: 1998
Oct 1936–Sep 1938 24-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1937	1917
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1935	2016
	Ties: 1915, 1925, 1960
Oct 1935–Sep 1938 36-Month	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1937	1917
	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1936	2017
	Ties: 1906, 1907, 1909, 1955, 1958, 1970, 1979, 1980
Oct 1934–Sep 1938 48-Month	42.7°F (5.9°C)	42.5°F (5.8°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1934	1913, 1917, 1932
	42.7°F (5.9°C)	42.5°F (5.8°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1937	2018
	Ties: 1908, 1921, 1934, 1939, 1948, 1962, 1967, 1980, 1982, 2011
Oct 1933–Sep 1938 60-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	104th Coolest	Coolest since: 1937	1917, 1933
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	20th Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1942, 1991, 1998, 2014

Citing This Page

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