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 1911

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1911 1-Month	52.6°F (11.4°C)	54.7°F (12.6°C)	-2.1°F (-1.2°C)	24th Coolest	Coolest since: 1903	1912, 1965
September 1911 1-Month	52.6°F (11.4°C)	54.7°F (12.6°C)	-2.1°F (-1.2°C)	105th Warmest	Warmest since: 1910	1990
Aug–Sep 1911 2-Month	56.7°F (13.7°C)	59.1°F (15.1°C)	-2.4°F (-1.4°C)	10th Coolest	Coolest since: 1907	1912
	56.7°F (13.7°C)	59.1°F (15.1°C)	-2.4°F (-1.4°C)	119th Warmest	Warmest since: 1910	2022
	Ties: 1921
Jul–Sep 1911 3-Month	59.1°F (15.1°C)	61.2°F (16.2°C)	-2.1°F (-1.1°C)	8th Coolest	Coolest since: 1907	1912
Jul–Sep 1911 3-Month	59.1°F (15.1°C)	61.2°F (16.2°C)	-2.1°F (-1.1°C)	121st Warmest	Warmest since: 1910	2022
Jun–Sep 1911 4-Month	58.7°F (14.8°C)	60.0°F (15.6°C)	-1.3°F (-0.8°C)	10th Coolest	Coolest since: 1908	1993
	58.7°F (14.8°C)	60.0°F (15.6°C)	-1.3°F (-0.8°C)	119th Warmest	Warmest since: 1910	2021
	Ties: 1908, 1915, 1980
May–Sep 1911 5-Month	56.2°F (13.4°C)	57.8°F (14.3°C)	-1.6°F (-0.9°C)	9th Coolest	Coolest since: 1908	1912
	56.2°F (13.4°C)	57.8°F (14.3°C)	-1.6°F (-0.9°C)	120th Warmest	Warmest since: 1910	2021
	Ties: 1964
Apr–Sep 1911 6-Month	53.3°F (11.8°C)	55.0°F (12.8°C)	-1.7°F (-1.0°C)	7th Coolest	Coolest since: 1907	1912
	53.3°F (11.8°C)	55.0°F (12.8°C)	-1.7°F (-1.0°C)	122nd Warmest	Warmest since: 1910	2021
	Ties: 1916
Mar–Sep 1911 7-Month	50.6°F (10.3°C)	51.9°F (11.1°C)	-1.3°F (-0.8°C)	15th Coolest	Coolest since: 1907	1912
	50.6°F (10.3°C)	51.9°F (11.1°C)	-1.3°F (-0.8°C)	114th Warmest	Warmest since: 1910	1934, 2015
	Ties: 1895, 1944, 1976
Feb–Sep 1911 8-Month	46.8°F (8.2°C)	48.7°F (9.3°C)	-1.9°F (-1.1°C)	9th Coolest	Coolest since: 1903	1964
	46.8°F (8.2°C)	48.7°F (9.3°C)	-1.9°F (-1.1°C)	120th Warmest	Warmest since: 1910	1934, 2015
	Ties: 1933, 1965
Jan–Sep 1911 9-Month	44.3°F (6.8°C)	45.7°F (7.6°C)	-1.4°F (-0.8°C)	20th Coolest	Coolest since: 1903	1917
	44.3°F (6.8°C)	45.7°F (7.6°C)	-1.4°F (-0.8°C)	109th Warmest	Warmest since: 1910	1934
	Ties: 1944
Dec 1910–Sep 1911 10-Month	42.6°F (5.9°C)	43.6°F (6.4°C)	-1.0°F (-0.5°C)	27th Coolest	Coolest since: 1903	1917
	42.6°F (5.9°C)	43.6°F (6.4°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1910	1934
	Ties: 1965
Nov 1910–Sep 1911 11-Month	41.8°F (5.4°C)	42.5°F (5.8°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1903	1917
	41.8°F (5.4°C)	42.5°F (5.8°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1910	1934
	Ties: 1945, 1957, 1973
Oct 1910–Sep 1911 12-Month	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	35th Coolest	Coolest since: 1906	1917
	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	93rd Warmest	Warmest since: 1910	1934
	Ties: 1931
Apr 1910–Sep 1911 18-Month	46.8°F (8.2°C)	46.7°F (8.2°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1910	1917
	46.8°F (8.2°C)	46.7°F (8.2°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1907	2015
	Ties: 1907, 1915, 1931, 1968
Oct 1909–Sep 1911 24-Month	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1910	1917
	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1910	2016
	Ties: 1910, 1953, 1964, 1971, 1983
Oct 1908–Sep 1911 36-Month	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1904	1917
	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1910	2017
	Ties: 1916, 1919, 1945, 1974, 1987
Oct 1907–Sep 1911 48-Month	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	40th Coolest	Coolest since: 1909	1913, 1917, 1932
	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	85th Warmest	Warmest since: 1910	2018
	Ties: 1900, 1901, 1902, 1909, 1929, 1944, 1971, 1978, 1979
Oct 1906–Sep 1911 60-Month	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	39th Coolest	Coolest since: 1910	1917, 1933
	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	85th Warmest	Warmest since: 1910	2016, 2017, 2018
	Ties: 1901, 1910, 1922, 1945, 1955, 1957, 1958, 1964, 1965

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings