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 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1931 1-Month	36.3°F (2.4°C)	36.5°F (2.5°C)	-0.2°F (-0.1°C)	57th Coolest	Coolest since: 1930	1916
	36.3°F (2.4°C)	36.5°F (2.5°C)	-0.2°F (-0.1°C)	72nd Warmest	Warmest since: 1928	1897
	Ties: 1904
Apr–May 1931 2-Month	32.4°F (0.2°C)	32.8°F (0.4°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1929	1982
	32.4°F (0.2°C)	32.8°F (0.4°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1930	1934
	Ties: 1908, 1912, 1960
Mar–May 1931 3-Month	29.0°F (-1.7°C)	29.4°F (-1.4°C)	-0.4°F (-0.3°C)	55th Coolest	Coolest since: 1929	1917
	29.0°F (-1.7°C)	29.4°F (-1.4°C)	-0.4°F (-0.3°C)	74th Warmest	Warmest since: 1930	1934
	Ties: 1916, 1937
Feb–May 1931 4-Month	25.7°F (-3.5°C)	26.4°F (-3.1°C)	-0.7°F (-0.4°C)	45th Coolest	Coolest since: 1929	1933
	25.7°F (-3.5°C)	26.4°F (-3.1°C)	-0.7°F (-0.4°C)	84th Warmest	Warmest since: 1930	1934
	Ties: 1973
Jan–May 1931 5-Month	23.2°F (-4.9°C)	23.8°F (-4.6°C)	-0.6°F (-0.3°C)	43rd Coolest	Coolest since: 1929	1922
	23.2°F (-4.9°C)	23.8°F (-4.6°C)	-0.6°F (-0.3°C)	86th Warmest	Warmest since: 1930	1934
	Ties: 2011
Dec 1930–May 1931 6-Month	20.7°F (-6.3°C)	22.6°F (-5.2°C)	-1.9°F (-1.1°C)	18th Coolest	Coolest since: 1929	1929
	20.7°F (-6.3°C)	22.6°F (-5.2°C)	-1.9°F (-1.1°C)	110th Warmest	Warmest since: 1930	1934
	Ties: 1899, 1960
Nov 1930–May 1931 7-Month	19.9°F (-6.7°C)	22.6°F (-5.2°C)	-2.7°F (-1.5°C)	12th Coolest	Coolest since: 1929	1917
Nov 1930–May 1931 7-Month	19.9°F (-6.7°C)	22.6°F (-5.2°C)	-2.7°F (-1.5°C)	116th Warmest	Warmest since: 1930	1934
Oct 1930–May 1931 8-Month	21.3°F (-5.9°C)	23.7°F (-4.6°C)	-2.4°F (-1.3°C)	12th Coolest	Coolest since: 1929	1917
Oct 1930–May 1931 8-Month	21.3°F (-5.9°C)	23.7°F (-4.6°C)	-2.4°F (-1.3°C)	116th Warmest	Warmest since: 1930	1934
Sep 1930–May 1931 9-Month	23.5°F (-4.7°C)	25.6°F (-3.6°C)	-2.1°F (-1.1°C)	14th Coolest	Coolest since: 1929	1917
Sep 1930–May 1931 9-Month	23.5°F (-4.7°C)	25.6°F (-3.6°C)	-2.1°F (-1.1°C)	114th Warmest	Warmest since: 1930	1934
Aug 1930–May 1931 10-Month	26.3°F (-3.2°C)	27.8°F (-2.3°C)	-1.5°F (-0.9°C)	16th Coolest	Coolest since: 1929	1917
	26.3°F (-3.2°C)	27.8°F (-2.3°C)	-1.5°F (-0.9°C)	112th Warmest	Warmest since: 1930	1934
	Ties: 1936, 1960
Jul 1930–May 1931 11-Month	28.5°F (-1.9°C)	29.7°F (-1.3°C)	-1.2°F (-0.6°C)	19th Coolest	Coolest since: 1929	1917
Jul 1930–May 1931 11-Month	28.5°F (-1.9°C)	29.7°F (-1.3°C)	-1.2°F (-0.6°C)	109th Warmest	Warmest since: 1930	2015
Jun 1930–May 1931 12-Month	29.5°F (-1.4°C)	30.8°F (-0.7°C)	-1.3°F (-0.7°C)	17th Coolest	Coolest since: 1929	1917
Jun 1930–May 1931 12-Month	29.5°F (-1.4°C)	30.8°F (-0.7°C)	-1.3°F (-0.7°C)	111th Warmest	Warmest since: 1930	1934
Dec 1929–May 1931 18-Month	27.4°F (-2.6°C)	28.1°F (-2.2°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1930	1917
	27.4°F (-2.6°C)	28.1°F (-2.2°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1928	2016
	Ties: 1944, 1957
Jun 1929–May 1931 24-Month	29.8°F (-1.2°C)	30.8°F (-0.7°C)	-1.0°F (-0.5°C)	16th Coolest	Coolest since: 1930	1917
	29.8°F (-1.2°C)	30.8°F (-0.7°C)	-1.0°F (-0.5°C)	111th Warmest	Warmest since: 1928	2016
	Ties: 1899
Jun 1928–May 1931 36-Month	29.2°F (-1.6°C)	30.8°F (-0.7°C)	-1.6°F (-0.9°C)	2nd Coolest	Coolest since: 1917	1933
	29.2°F (-1.6°C)	30.8°F (-0.7°C)	-1.6°F (-0.9°C)	124th Warmest	Warmest since: 1930	2016
	Ties: 1917
Jun 1927–May 1931 48-Month	29.7°F (-1.3°C)	30.8°F (-0.7°C)	-1.1°F (-0.6°C)	4th Coolest	Coolest since: 1931	1932
Jun 1927–May 1931 48-Month	29.7°F (-1.3°C)	30.8°F (-0.7°C)	-1.1°F (-0.6°C)	121st Warmest	Warmest since: 1930	2018
Jun 1926–May 1931 60-Month	30.0°F (-1.1°C)	30.7°F (-0.7°C)	-0.7°F (-0.4°C)	7th Coolest	Coolest since: 1920	1933
Jun 1926–May 1931 60-Month	30.0°F (-1.1°C)	30.7°F (-0.7°C)	-0.7°F (-0.4°C)	117th Warmest	Warmest since: 1930	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on November 30, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings