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, May 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1940 1-Month	38.0°F (3.3°C)	36.5°F (2.5°C)	1.5°F (0.8°C)	102nd Coolest	Coolest since: 1938	1916
	38.0°F (3.3°C)	36.5°F (2.5°C)	1.5°F (0.8°C)	27th Warmest	Warmest since: 1939	1897
	Ties: 1914
Apr–May 1940 2-Month	34.9°F (1.6°C)	32.9°F (0.5°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 1939	1982
	34.9°F (1.6°C)	32.9°F (0.5°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 1934	1934
	Ties: 1980
Mar–May 1940 3-Month	31.9°F (-0.1°C)	29.4°F (-1.4°C)	2.5°F (1.3°C)	115th Coolest	Coolest since: 1939	1917
Mar–May 1940 3-Month	31.9°F (-0.1°C)	29.4°F (-1.4°C)	2.5°F (1.3°C)	14th Warmest	Warmest since: 1934	1934
Feb–May 1940 4-Month	29.6°F (-1.3°C)	26.4°F (-3.1°C)	3.2°F (1.8°C)	121st Coolest	Coolest since: 1939	1933
	29.6°F (-1.3°C)	26.4°F (-3.1°C)	3.2°F (1.8°C)	8th Warmest	Warmest since: 1934	1934
	Ties: 1987
Jan–May 1940 5-Month	26.9°F (-2.8°C)	23.8°F (-4.6°C)	3.1°F (1.8°C)	118th Coolest	Coolest since: 1939	1922
	26.9°F (-2.8°C)	23.8°F (-4.6°C)	3.1°F (1.8°C)	11th Warmest	Warmest since: 1934	1934
	Ties: 1981
Dec 1939–May 1940 6-Month	26.3°F (-3.2°C)	22.6°F (-5.2°C)	3.7°F (2.0°C)	123rd Coolest	Coolest since: 1939	1929
	26.3°F (-3.2°C)	22.6°F (-5.2°C)	3.7°F (2.0°C)	5th Warmest	Warmest since: 1934	1934
	Ties: 2016
Nov 1939–May 1940 7-Month	25.6°F (-3.6°C)	22.7°F (-5.2°C)	2.9°F (1.6°C)	119th Coolest	Coolest since: 1939	1917
Nov 1939–May 1940 7-Month	25.6°F (-3.6°C)	22.7°F (-5.2°C)	2.9°F (1.6°C)	9th Warmest	Warmest since: 1934	1934
Oct 1939–May 1940 8-Month	26.5°F (-3.1°C)	23.8°F (-4.6°C)	2.7°F (1.5°C)	121st Coolest	Coolest since: 1939	1917
Oct 1939–May 1940 8-Month	26.5°F (-3.1°C)	23.8°F (-4.6°C)	2.7°F (1.5°C)	7th Warmest	Warmest since: 1934	1934
Sep 1939–May 1940 9-Month	28.1°F (-2.2°C)	25.6°F (-3.6°C)	2.5°F (1.4°C)	122nd Coolest	Coolest since: 1939	1917
	28.1°F (-2.2°C)	25.6°F (-3.6°C)	2.5°F (1.4°C)	6th Warmest	Warmest since: 1934	1934
	Ties: 1981
Aug 1939–May 1940 10-Month	30.0°F (-1.1°C)	27.8°F (-2.3°C)	2.2°F (1.2°C)	120th Coolest	Coolest since: 1939	1917
Aug 1939–May 1940 10-Month	30.0°F (-1.1°C)	27.8°F (-2.3°C)	2.2°F (1.2°C)	8th Warmest	Warmest since: 1934	1934
Jul 1939–May 1940 11-Month	31.8°F (-0.1°C)	29.7°F (-1.3°C)	2.1°F (1.2°C)	120th Coolest	Coolest since: 1939	1917
Jul 1939–May 1940 11-Month	31.8°F (-0.1°C)	29.7°F (-1.3°C)	2.1°F (1.2°C)	8th Warmest	Warmest since: 1934	2015
Jun 1939–May 1940 12-Month	32.6°F (0.3°C)	30.8°F (-0.7°C)	1.8°F (1.0°C)	117th Coolest	Coolest since: 1939	1917
	32.6°F (0.3°C)	30.8°F (-0.7°C)	1.8°F (1.0°C)	11th Warmest	Warmest since: 1934	1934
	Ties: 2000, 2005, 2014
Dec 1938–May 1940 18-Month	29.4°F (-1.4°C)	28.1°F (-2.2°C)	1.3°F (0.8°C)	107th Coolest	Coolest since: 1939	1917
	29.4°F (-1.4°C)	28.1°F (-2.2°C)	1.3°F (0.8°C)	20th Warmest	Warmest since: 1935	2016
	Ties: 1996, 2000, 2007, 2013, 2014, 2021
Jun 1938–May 1940 24-Month	32.0°F (0.0°C)	30.8°F (-0.7°C)	1.2°F (0.7°C)	111th Coolest	Coolest since: 1939	1917
	32.0°F (0.0°C)	30.8°F (-0.7°C)	1.2°F (0.7°C)	16th Warmest	Warmest since: 1939	2016
	Ties: 1927, 1939, 1993, 1998, 2003, 2006, 2013
Jun 1937–May 1940 36-Month	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	114th Coolest	Coolest since: 1939	1933
	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	12th Warmest	Warmest to Date	2016
	Ties: 1992, 2014
Jun 1936–May 1940 48-Month	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1939	1932
	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	41st Warmest	Warmest since: 1928	2018
	Ties: 1961, 1996
Jun 1935–May 1940 60-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1939	1933
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	51st Warmest	Warmest since: 1938	2018
	Ties: 1909, 1911, 1961, 1967, 1968, 1972

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings