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 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1921 1-Month	37.8°F (3.2°C)	36.5°F (2.5°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1920	1916
	37.8°F (3.2°C)	36.5°F (2.5°C)	1.3°F (0.7°C)	30th Warmest	Warmest since: 1914	1897
	Ties: 1913, 1985, 2001, 2014, 2019, 2020
Apr–May 1921 2-Month	32.9°F (0.5°C)	32.9°F (0.5°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1920	1982
	32.9°F (0.5°C)	32.9°F (0.5°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1919	1934
	Ties: 1902, 1923, 1995, 1996
Mar–May 1921 3-Month	30.5°F (-0.8°C)	29.4°F (-1.4°C)	1.1°F (0.6°C)	90th Coolest	Coolest since: 1920	1917
	30.5°F (-0.8°C)	29.4°F (-1.4°C)	1.1°F (0.6°C)	39th Warmest	Warmest since: 1915	1934
	Ties: 1928, 2019
Feb–May 1921 4-Month	27.3°F (-2.6°C)	26.4°F (-3.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1920	1933
	27.3°F (-2.6°C)	26.4°F (-3.1°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1915	1934
	Ties: 1902, 1924, 1993
Jan–May 1921 5-Month	25.3°F (-3.7°C)	23.8°F (-4.6°C)	1.5°F (0.9°C)	90th Coolest	Coolest since: 1920	1922
	25.3°F (-3.7°C)	23.8°F (-4.6°C)	1.5°F (0.9°C)	39th Warmest	Warmest since: 1915	1934
	Ties: 2006
Dec 1920–May 1921 6-Month	24.3°F (-4.3°C)	22.6°F (-5.2°C)	1.7°F (0.9°C)	99th Coolest	Coolest since: 1920	1929
Dec 1920–May 1921 6-Month	24.3°F (-4.3°C)	22.6°F (-5.2°C)	1.7°F (0.9°C)	29th Warmest	Warmest since: 1918	1934
Nov 1920–May 1921 7-Month	24.3°F (-4.3°C)	22.7°F (-5.2°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1920	1917
	24.3°F (-4.3°C)	22.7°F (-5.2°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1918	1934
	Ties: 1983, 1987, 1990
Oct 1920–May 1921 8-Month	25.2°F (-3.8°C)	23.7°F (-4.6°C)	1.5°F (0.8°C)	104th Coolest	Coolest since: 1920	1917
	25.2°F (-3.8°C)	23.7°F (-4.6°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 1918	1934
	Ties: 1980, 1983, 1987
Sep 1920–May 1921 9-Month	27.0°F (-2.8°C)	25.6°F (-3.6°C)	1.4°F (0.8°C)	104th Coolest	Coolest since: 1920	1917
	27.0°F (-2.8°C)	25.6°F (-3.6°C)	1.4°F (0.8°C)	24th Warmest	Warmest since: 1918	1934
	Ties: 1980, 1983, 1990, 2014
Aug 1920–May 1921 10-Month	29.1°F (-1.6°C)	27.8°F (-2.3°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1920	1917
	29.1°F (-1.6°C)	27.8°F (-2.3°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1918	1934
	Ties: 1900, 1918, 1959, 1987
Jul 1920–May 1921 11-Month	31.0°F (-0.6°C)	29.7°F (-1.3°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1920	1917
	31.0°F (-0.6°C)	29.7°F (-1.3°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1918	2015
	Ties: 1918, 1967, 1980, 1990, 2007
Jun 1920–May 1921 12-Month	31.8°F (-0.1°C)	30.8°F (-0.7°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1920	1917
	31.8°F (-0.1°C)	30.8°F (-0.7°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1907	1934
	Ties: 1961, 2019, 2020
Dec 1919–May 1921 18-Month	28.0°F (-2.2°C)	28.1°F (-2.2°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1920	1917
	28.0°F (-2.2°C)	28.1°F (-2.2°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1919	2016
	Ties: 1898, 1900, 1938, 1946, 1963, 1964, 1972, 1975
Jun 1919–May 1921 24-Month	30.5°F (-0.8°C)	30.8°F (-0.7°C)	-0.3°F (-0.1°C)	36th Coolest	Coolest since: 1920	1917
	30.5°F (-0.8°C)	30.8°F (-0.7°C)	-0.3°F (-0.1°C)	91st Warmest	Warmest since: 1919	2016
	Ties: 1900, 1976
Jun 1918–May 1921 36-Month	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1920	1933
	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1920	2016
	Ties: 1910, 1916, 1920, 1974
Jun 1917–May 1921 48-Month	31.0°F (-0.6°C)	30.7°F (-0.7°C)	0.3°F (0.1°C)	74th Coolest	Coolest since: 1920	1932
	31.0°F (-0.6°C)	30.7°F (-0.7°C)	0.3°F (0.1°C)	51st Warmest	Warmest since: 1910	2018
	Ties: 1907, 1908, 1937, 1962, 1978
Jun 1916–May 1921 60-Month	30.2°F (-1.0°C)	30.8°F (-0.7°C)	-0.6°F (-0.3°C)	10th Coolest	Coolest since: 1920	1933
	30.2°F (-1.0°C)	30.8°F (-0.7°C)	-0.6°F (-0.3°C)	114th Warmest	Warmest since: 1919	2018
	Ties: 1913, 1916, 1918, 1919, 1950

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published December 2022, retrieved on December 9, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings