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 2021

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2021 1-Month	36.6°F (2.6°C)	36.5°F (2.5°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 2012	1916
	36.6°F (2.6°C)	36.5°F (2.5°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 2020	1897
	Ties: 1937
Apr–May 2021 2-Month	32.6°F (0.3°C)	32.9°F (0.5°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 2011	1982
	32.6°F (0.3°C)	32.9°F (0.5°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 2020	1934
	Ties: 1924
Mar–May 2021 3-Month	29.3°F (-1.5°C)	29.4°F (-1.4°C)	-0.1°F (-0.1°C)	61st Coolest	Coolest since: 2011	1917
	29.3°F (-1.5°C)	29.4°F (-1.4°C)	-0.1°F (-0.1°C)	68th Warmest	Warmest since: 2020	1934
	Ties: 1908, 1979
Feb–May 2021 4-Month	26.3°F (-3.2°C)	26.4°F (-3.1°C)	-0.1°F (-0.1°C)	57th Coolest	Coolest since: 2011	1933
	26.3°F (-3.2°C)	26.4°F (-3.1°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 2020	1934
	Ties: 1901, 1906, 1912, 2009, 2010
Jan–May 2021 5-Month	24.7°F (-4.1°C)	23.8°F (-4.6°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 2013	1922
	24.7°F (-4.1°C)	23.8°F (-4.6°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 2020	1934
	Ties: 1945, 1991, 1996, 1997
Dec 2020–May 2021 6-Month	23.5°F (-4.7°C)	22.6°F (-5.2°C)	0.9°F (0.5°C)	79th Coolest	Coolest since: 2019	1929
	23.5°F (-4.7°C)	22.6°F (-5.2°C)	0.9°F (0.5°C)	49th Warmest	Warmest since: 2020	1934
	Ties: 2019
Nov 2020–May 2021 7-Month	23.4°F (-4.8°C)	22.6°F (-5.2°C)	0.8°F (0.4°C)	76th Coolest	Coolest since: 2019	1917
	23.4°F (-4.8°C)	22.6°F (-5.2°C)	0.8°F (0.4°C)	52nd Warmest	Warmest since: 2020	1934
	Ties: 1905, 1951, 1971, 1988, 2009, 2019
Oct 2020–May 2021 8-Month	24.6°F (-4.1°C)	23.8°F (-4.6°C)	0.8°F (0.5°C)	78th Coolest	Coolest since: 2020	1917
	24.6°F (-4.1°C)	23.8°F (-4.6°C)	0.8°F (0.5°C)	50th Warmest	Warmest since: 2019	1934
	Ties: 1947, 2019
Sep 2020–May 2021 9-Month	26.6°F (-3.0°C)	25.6°F (-3.6°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 2020	1917
	26.6°F (-3.0°C)	25.6°F (-3.6°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 2018	1934
	Ties: 1974, 2013
Aug 2020–May 2021 10-Month	29.0°F (-1.7°C)	27.8°F (-2.3°C)	1.2°F (0.6°C)	96th Coolest	Coolest since: 2020	1917
	29.0°F (-1.7°C)	27.8°F (-2.3°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 2018	1934
	Ties: 1990, 2013
Jul 2020–May 2021 11-Month	30.9°F (-0.6°C)	29.7°F (-1.3°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 2020	1917
	30.9°F (-0.6°C)	29.7°F (-1.3°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 2018	2015
	Ties: 1959
Jun 2020–May 2021 12-Month	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 2020	1917
	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 2019	1934
	Ties: 1954, 1967, 2019
Dec 2019–May 2021 18-Month	29.4°F (-1.4°C)	28.1°F (-2.2°C)	1.3°F (0.8°C)	106th Coolest	Coolest since: 2020	1917
	29.4°F (-1.4°C)	28.1°F (-2.2°C)	1.3°F (0.8°C)	21st Warmest	Warmest since: 2019	2016
	Ties: 1940, 1996, 2000, 2007, 2013
Jun 2019–May 2021 24-Month	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	103rd Coolest	Coolest since: 2020	1917
	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	24th Warmest	Warmest since: 2019	2016
	Ties: 1996
Jun 2018–May 2021 36-Month	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	108th Coolest	Coolest since: 2013	1933
	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	18th Warmest	Warmest since: 2020	2016
	Ties: 1942, 1998, 2001
Jun 2017–May 2021 48-Month	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	114th Coolest	Coolest since: 2014	1932
	32.2°F (0.1°C)	30.8°F (-0.7°C)	1.4°F (0.8°C)	11th Warmest	Warmest since: 2020	2018
	Ties: 2000
Jun 2016–May 2021 60-Month	32.3°F (0.2°C)	30.8°F (-0.7°C)	1.5°F (0.9°C)	116th Coolest	Coolest since: 2014	1933
	32.3°F (0.2°C)	30.8°F (-0.7°C)	1.5°F (0.9°C)	8th Warmest	Warmest since: 2020	2018
	Ties: 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings