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 1947

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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 1947 1-Month	39.3°F (4.1°C)	36.5°F (2.5°C)	2.8°F (1.6°C)	115th Coolest	Coolest since: 1946	1916
	39.3°F (4.1°C)	36.5°F (2.5°C)	2.8°F (1.6°C)	14th Warmest	Warmest since: 1934	1897
	Ties: 1956
Apr–May 1947 2-Month	34.3°F (1.3°C)	32.9°F (0.5°C)	1.4°F (0.8°C)	100th Coolest	Coolest since: 1946	1982
	34.3°F (1.3°C)	32.9°F (0.5°C)	1.4°F (0.8°C)	29th Warmest	Warmest since: 1940	1934
	Ties: 1939, 1981
Mar–May 1947 3-Month	31.3°F (-0.4°C)	29.4°F (-1.4°C)	1.9°F (1.0°C)	111th Coolest	Coolest since: 1946	1917
	31.3°F (-0.4°C)	29.4°F (-1.4°C)	1.9°F (1.0°C)	18th Warmest	Warmest since: 1940	1934
	Ties: 1926, 1981, 2000
Feb–May 1947 4-Month	28.5°F (-1.9°C)	26.4°F (-3.1°C)	2.1°F (1.2°C)	108th Coolest	Coolest since: 1946	1933
Feb–May 1947 4-Month	28.5°F (-1.9°C)	26.4°F (-3.1°C)	2.1°F (1.2°C)	21st Warmest	Warmest since: 1940	1934
Jan–May 1947 5-Month	24.5°F (-4.2°C)	23.8°F (-4.6°C)	0.7°F (0.4°C)	78th Coolest	Coolest since: 1946	1922
	24.5°F (-4.2°C)	23.8°F (-4.6°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 1945	1934
	Ties: 1905, 1927, 1928, 1988, 2001
Dec 1946–May 1947 6-Month	24.1°F (-4.4°C)	22.6°F (-5.2°C)	1.5°F (0.8°C)	94th Coolest	Coolest since: 1946	1929
	24.1°F (-4.4°C)	22.6°F (-5.2°C)	1.5°F (0.8°C)	34th Warmest	Warmest since: 1941	1934
	Ties: 1970, 2007
Nov 1946–May 1947 7-Month	23.9°F (-4.5°C)	22.6°F (-5.2°C)	1.3°F (0.7°C)	92nd Coolest	Coolest since: 1946	1917
	23.9°F (-4.5°C)	22.6°F (-5.2°C)	1.3°F (0.7°C)	36th Warmest	Warmest since: 1941	1934
	Ties: 1927, 1958, 1997, 2017
Oct 1946–May 1947 8-Month	24.6°F (-4.1°C)	23.8°F (-4.6°C)	0.8°F (0.5°C)	78th Coolest	Coolest since: 1946	1917
	24.6°F (-4.1°C)	23.8°F (-4.6°C)	0.8°F (0.5°C)	50th Warmest	Warmest since: 1941	1934
	Ties: 2019, 2021
Sep 1946–May 1947 9-Month	26.2°F (-3.2°C)	25.6°F (-3.6°C)	0.6°F (0.4°C)	72nd Coolest	Coolest since: 1946	1917
	26.2°F (-3.2°C)	25.6°F (-3.6°C)	0.6°F (0.4°C)	56th Warmest	Warmest since: 1941	1934
	Ties: 1919, 1953, 2009
Aug 1946–May 1947 10-Month	28.4°F (-2.0°C)	27.8°F (-2.3°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1946	1917
	28.4°F (-2.0°C)	27.8°F (-2.3°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1941	1934
	Ties: 1970, 1994, 2009
Jul 1946–May 1947 11-Month	30.4°F (-0.9°C)	29.7°F (-1.3°C)	0.7°F (0.4°C)	81st Coolest	Coolest since: 1946	1917
	30.4°F (-0.9°C)	29.7°F (-1.3°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1941	2015
	Ties: 1905, 1958, 1997, 2009
Jun 1946–May 1947 12-Month	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 1946	1917
	31.4°F (-0.3°C)	30.8°F (-0.7°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1941	1934
	Ties: 1897, 1902, 1927, 1951, 2002, 2006, 2010
Dec 1945–May 1947 18-Month	28.4°F (-2.0°C)	28.1°F (-2.2°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1946	1917
	28.4°F (-2.0°C)	28.1°F (-2.2°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1942	2016
	Ties: 1905, 1942, 2010, 2011
Jun 1945–May 1947 24-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1946	1917
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1942	2016
	Ties: 1907, 1963, 1970, 1979
Jun 1944–May 1947 36-Month	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1946	1933
	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1943	2016
	Ties: 1939, 1972, 1976
Jun 1943–May 1947 48-Month	30.7°F (-0.7°C)	30.8°F (-0.7°C)	-0.1°F (0.0°C)	43rd Coolest	Coolest since: 1946	1932
	30.7°F (-0.7°C)	30.8°F (-0.7°C)	-0.1°F (0.0°C)	82nd Warmest	Warmest since: 1944	2018
	Ties: 1903, 1911, 1965, 1975, 1976, 1988
Jun 1942–May 1947 60-Month	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	35th Coolest	Coolest since: 1946	1933
	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1945	2018
	Ties: 1905, 1912, 1922, 1926, 1930, 1935, 1936, 1954, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings