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

Minimum Temperature Rankings, December 1918

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1918 1-Month	15.0°F (-9.4°C)	16.2°F (-8.8°C)	-1.2°F (-0.6°C)	44th Coolest	Coolest since: 1916	1990
	15.0°F (-9.4°C)	16.2°F (-8.8°C)	-1.2°F (-0.6°C)	85th Warmest	Warmest since: 1917	1917
	Ties: 1998, 2011
Nov–Dec 1918 2-Month	18.4°F (-7.6°C)	19.5°F (-6.9°C)	-1.1°F (-0.7°C)	37th Coolest	Coolest since: 1916	1985
	18.4°F (-7.6°C)	19.5°F (-6.9°C)	-1.1°F (-0.7°C)	92nd Warmest	Warmest since: 1917	1917
	Ties: 1971
Oct–Dec 1918 3-Month	24.2°F (-4.3°C)	23.6°F (-4.7°C)	0.6°F (0.4°C)	73rd Coolest	Coolest since: 1916	1985
	24.2°F (-4.3°C)	23.6°F (-4.7°C)	0.6°F (0.4°C)	56th Warmest	Warmest since: 1917	1950
	Ties: 1896, 1938
Sep–Dec 1918 4-Month	28.9°F (-1.7°C)	27.7°F (-2.4°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1916	1985
	28.9°F (-1.7°C)	27.7°F (-2.4°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 1917	1950
	Ties: 1897, 1941, 2017, 2020
Aug–Dec 1918 5-Month	32.2°F (0.1°C)	31.7°F (-0.2°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1916	1985
	32.2°F (0.1°C)	31.7°F (-0.2°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1917	2014
	Ties: 1946, 1965, 1996
Jul–Dec 1918 6-Month	35.1°F (1.7°C)	34.6°F (1.4°C)	0.5°F (0.3°C)	69th Coolest	Coolest since: 1916	1985
	35.1°F (1.7°C)	34.6°F (1.4°C)	0.5°F (0.3°C)	60th Warmest	Warmest since: 1917	2021
	Ties: 1923, 1983
Jun–Dec 1918 7-Month	36.9°F (2.7°C)	35.8°F (2.1°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1916	1916
	36.9°F (2.7°C)	35.8°F (2.1°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1917	2021
	Ties: 1925, 1981
May–Dec 1918 8-Month	36.5°F (2.5°C)	35.9°F (2.2°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1916	1916
	36.5°F (2.5°C)	35.9°F (2.2°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1917	2021
	Ties: 1926, 2019
Apr–Dec 1918 9-Month	35.4°F (1.9°C)	35.1°F (1.7°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1916	1916
	35.4°F (1.9°C)	35.1°F (1.7°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1917	2021
	Ties: 1896, 1923, 1957, 1961, 1979, 1990, 2005, 2010
Mar–Dec 1918 10-Month	34.3°F (1.3°C)	33.9°F (1.1°C)	0.4°F (0.2°C)	80th Coolest	Coolest since: 1917	1916
	34.3°F (1.3°C)	33.9°F (1.1°C)	0.4°F (0.2°C)	49th Warmest	Warmest since: 1915	2015
	Ties: 1907, 1915, 1921, 1933, 1949, 1961, 1967, 1983, 1990, 1991, 2000, 2002
Feb–Dec 1918 11-Month	32.5°F (0.3°C)	32.3°F (0.2°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1917	1985
	32.5°F (0.3°C)	32.3°F (0.2°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1915	2015
	Ties: 1897, 1939, 1990, 1999
Jan–Dec 1918 12-Month	31.5°F (-0.3°C)	30.9°F (-0.6°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1917	1985
	31.5°F (-0.3°C)	30.9°F (-0.6°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1906	1934, 2015
	Ties: 1901, 1906, 1921, 1947, 1996
Jul 1917–Dec 1918 18-Month	33.3°F (0.7°C)	32.1°F (0.1°C)	1.2°F (0.6°C)	106th Coolest	Coolest since: 1917	1985
	33.3°F (0.7°C)	32.1°F (0.1°C)	1.2°F (0.6°C)	22nd Warmest	Warmest to Date	2015
	Ties: 1967
Jan 1917–Dec 1918 24-Month	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1917	1985
	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1915	2015, 2016
	Ties: 1905, 1948, 1953, 1977, 1979
Jan 1916–Dec 1918 36-Month	29.8°F (-1.2°C)	30.8°F (-0.7°C)	-1.0°F (-0.5°C)	8th Coolest	Coolest since: 1917	1930, 1931
	29.8°F (-1.2°C)	30.8°F (-0.7°C)	-1.0°F (-0.5°C)	119th Warmest	Warmest since: 1917	2016
	Ties: 1917, 1944, 1951, 1952, 1956
Jan 1915–Dec 1918 48-Month	30.2°F (-1.0°C)	30.8°F (-0.7°C)	-0.6°F (-0.3°C)	17th Coolest	Coolest since: 1917	1932
	30.2°F (-1.0°C)	30.8°F (-0.7°C)	-0.6°F (-0.3°C)	109th Warmest	Warmest since: 1915	2017
	Ties: 1905, 1922, 1955
Jan 1914–Dec 1918 60-Month	30.3°F (-0.9°C)	30.8°F (-0.7°C)	-0.5°F (-0.2°C)	19th Coolest	Coolest since: 1917	1932, 1933
	30.3°F (-0.9°C)	30.8°F (-0.7°C)	-0.5°F (-0.2°C)	106th Warmest	Warmest since: 1912	2018
	Ties: 1930, 1946

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings