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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1915 1-Month	52.5°F (11.4°C)	54.7°F (12.6°C)	-2.2°F (-1.2°C)	20th Coolest	Coolest since: 1914	1912, 1965
	52.5°F (11.4°C)	54.7°F (12.6°C)	-2.2°F (-1.2°C)	109th Warmest	Warmest since: 1913	1990
	Ties: 1927, 1984, 1996
Aug–Sep 1915 2-Month	59.8°F (15.4°C)	59.1°F (15.1°C)	0.7°F (0.3°C)	78th Coolest	Coolest since: 1914	1912
	59.8°F (15.4°C)	59.1°F (15.1°C)	0.7°F (0.3°C)	51st Warmest	Warmest since: 1906	2022
	Ties: 1906, 1987, 1999
Jul–Sep 1915 3-Month	60.4°F (15.8°C)	61.1°F (16.2°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1914	1912
	60.4°F (15.8°C)	61.1°F (16.2°C)	-0.7°F (-0.4°C)	101st Warmest	Warmest since: 1914	2022
	Ties: 1914, 1932, 1970
Jun–Sep 1915 4-Month	58.7°F (14.8°C)	60.0°F (15.6°C)	-1.3°F (-0.8°C)	10th Coolest	Coolest since: 1912	1993
	58.7°F (14.8°C)	60.0°F (15.6°C)	-1.3°F (-0.8°C)	119th Warmest	Warmest since: 1914	2021
	Ties: 1908, 1911, 1980
May–Sep 1915 5-Month	56.4°F (13.6°C)	57.8°F (14.3°C)	-1.4°F (-0.7°C)	13th Coolest	Coolest since: 1912	1912
May–Sep 1915 5-Month	56.4°F (13.6°C)	57.8°F (14.3°C)	-1.4°F (-0.7°C)	116th Warmest	Warmest since: 1914	2021
Apr–Sep 1915 6-Month	54.8°F (12.7°C)	55.0°F (12.8°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1912	1912
	54.8°F (12.7°C)	55.0°F (12.8°C)	-0.2°F (-0.1°C)	82nd Warmest	Warmest since: 1914	2021
	Ties: 1932, 1933, 1942, 1962
Mar–Sep 1915 7-Month	52.3°F (11.3°C)	51.9°F (11.1°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1914	1912
	52.3°F (11.3°C)	51.9°F (11.1°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1910	1934, 2015
	Ties: 1918, 1937, 1969, 2002
Feb–Sep 1915 8-Month	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1914	1964
	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1900	1934, 2015
	Ties: 1898, 1919, 1938, 1967, 2009
Jan–Sep 1915 9-Month	46.3°F (7.9°C)	45.7°F (7.6°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1913	1917
	46.3°F (7.9°C)	45.7°F (7.6°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1914	1934
	Ties: 1947, 1954
Dec 1914–Sep 1915 10-Month	43.4°F (6.3°C)	43.6°F (6.4°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1913	1917
	43.4°F (6.3°C)	43.6°F (6.4°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1914	1934
	Ties: 1907, 1924, 1956, 1991, 2011
Nov 1914–Sep 1915 11-Month	42.5°F (5.8°C)	42.5°F (5.8°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1913	1917
	42.5°F (5.8°C)	42.5°F (5.8°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1914	1934
	Ties: 1991
Oct 1914–Sep 1915 12-Month	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1913	1917
	42.7°F (5.9°C)	42.6°F (5.9°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1914	1934
	Ties: 1896, 1902, 1970, 1983, 1999, 2011
Apr 1914–Sep 1915 18-Month	46.8°F (8.2°C)	46.7°F (8.2°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1913	1917
	46.8°F (8.2°C)	46.7°F (8.2°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1914	2015
	Ties: 1907, 1911, 1931, 1968
Oct 1913–Sep 1915 24-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1914	1917
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1905	2016
	Ties: 1925, 1938, 1960
Oct 1912–Sep 1915 36-Month	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	30th Coolest	Coolest since: 1914	1917
	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1911	2017
	Ties: 1901, 1937, 1956, 1965, 1966, 1972, 1975, 1976
Oct 1911–Sep 1915 48-Month	41.8°F (5.4°C)	42.6°F (5.9°C)	-0.8°F (-0.5°C)	10th Coolest	Coolest since: 1914	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: 1912	2018
	Ties: 1912, 1920
Oct 1910–Sep 1915 60-Month	41.8°F (5.4°C)	42.5°F (5.8°C)	-0.7°F (-0.4°C)	9th Coolest	Coolest since: 1914	1917, 1933
	41.8°F (5.4°C)	42.5°F (5.8°C)	-0.7°F (-0.4°C)	115th Warmest	Warmest since: 1914	2016, 2017, 2018
	Ties: 1914, 1924

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings