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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1909 1-Month	55.2°F (12.9°C)	54.7°F (12.6°C)	0.5°F (0.3°C)	71st Coolest	Coolest since: 1908	1912, 1965
	55.2°F (12.9°C)	54.7°F (12.6°C)	0.5°F (0.3°C)	58th Warmest	Warmest since: 1906	1990
	Ties: 1910, 1919, 1947, 1980
Aug–Sep 1909 2-Month	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	61st Coolest	Coolest since: 1908	1912
	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	68th Warmest	Warmest since: 1906	2022
	Ties: 1913, 1934, 1936, 1988, 2005, 2006
Jul–Sep 1909 3-Month	60.8°F (16.0°C)	61.2°F (16.2°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1907	1912
	60.8°F (16.0°C)	61.2°F (16.2°C)	-0.4°F (-0.2°C)	85th Warmest	Warmest since: 1908	2022
	Ties: 1910
Jun–Sep 1909 4-Month	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1908	1993
	59.9°F (15.5°C)	60.0°F (15.6°C)	-0.1°F (-0.1°C)	79th Warmest	Warmest since: 1906	2021
	Ties: 1897, 1920, 1956
May–Sep 1909 5-Month	57.2°F (14.0°C)	57.9°F (14.4°C)	-0.7°F (-0.4°C)	30th Coolest	Coolest since: 1908	1912
	57.2°F (14.0°C)	57.9°F (14.4°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1906	2021
	Ties: 1942, 1951, 1955, 1982, 1983
Apr–Sep 1909 6-Month	53.9°F (12.2°C)	55.1°F (12.8°C)	-1.2°F (-0.6°C)	21st Coolest	Coolest since: 1908	1912
	53.9°F (12.2°C)	55.1°F (12.8°C)	-1.2°F (-0.6°C)	108th Warmest	Warmest since: 1908	2021
	Ties: 1908, 1927
Mar–Sep 1909 7-Month	51.0°F (10.6°C)	51.9°F (11.1°C)	-0.9°F (-0.5°C)	28th Coolest	Coolest since: 1908	1912
	51.0°F (10.6°C)	51.9°F (11.1°C)	-0.9°F (-0.5°C)	101st Warmest	Warmest since: 1906	1934, 2015
	Ties: 1929, 1948
Feb–Sep 1909 8-Month	48.2°F (9.0°C)	48.7°F (9.3°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1908	1964
	48.2°F (9.0°C)	48.7°F (9.3°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1907	1934, 2015
	Ties: 1907, 1935, 1943
Jan–Sep 1909 9-Month	45.6°F (7.6°C)	45.7°F (7.6°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1908	1917
	45.6°F (7.6°C)	45.7°F (7.6°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1906	1934
	Ties: 1897, 1904, 1906, 1968, 1973
Dec 1908–Sep 1909 10-Month	43.3°F (6.3°C)	43.6°F (6.4°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1908	1917
	43.3°F (6.3°C)	43.6°F (6.4°C)	-0.3°F (-0.1°C)	82nd Warmest	Warmest since: 1908	1934
	Ties: 1908, 1960
Nov 1908–Sep 1909 11-Month	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1908	1917
	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1908	1934
	Ties: 1896, 1897, 1904, 1908, 1927, 1928
Oct 1908–Sep 1909 12-Month	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1906	1917
	42.3°F (5.7°C)	42.6°F (5.9°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1908	1934
	Ties: 2010
Apr 1908–Sep 1909 18-Month	46.2°F (7.9°C)	46.8°F (8.2°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1906	1917
	46.2°F (7.9°C)	46.8°F (8.2°C)	-0.6°F (-0.3°C)	101st Warmest	Warmest since: 1908	2015
	Ties: 1904, 1906, 1910, 1921, 1962, 1993
Oct 1907–Sep 1909 24-Month	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1907	1917
	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1908	2016
	Ties: 1897, 1902, 1928, 1931, 1942, 1948, 1962
Oct 1906–Sep 1909 36-Month	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1908	1917
	42.6°F (5.9°C)	42.6°F (5.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1907	2017
	Ties: 1906, 1907, 1938, 1955, 1958, 1970, 1979, 1980
Oct 1905–Sep 1909 48-Month	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1906	1913, 1917, 1932
	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1908	2018
	Ties: 1900, 1901, 1902, 1911, 1929, 1944, 1971, 1978, 1979
Oct 1904–Sep 1909 60-Month	42.6°F (5.9°C)	42.5°F (5.8°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1907	1917, 1933
	42.6°F (5.9°C)	42.5°F (5.8°C)	0.1°F (0.1°C)	64th Warmest	Warmest since: 1908	2016, 2017, 2018
	Ties: 1926, 1954, 1968

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings