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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1909 1-Month	33.6°F (0.9°C)	36.5°F (2.5°C)	-2.9°F (-1.6°C)	8th Coolest	Coolest since: 1899	1916
	33.6°F (0.9°C)	36.5°F (2.5°C)	-2.9°F (-1.6°C)	121st Warmest	Warmest since: 1908	1897
	Ties: 1918, 1959
Apr–May 1909 2-Month	29.6°F (-1.3°C)	32.9°F (0.5°C)	-3.3°F (-1.8°C)	2nd Coolest	Coolest since: 1909	1982
	29.6°F (-1.3°C)	32.9°F (0.5°C)	-3.3°F (-1.8°C)	127th Warmest	Warmest since: 1908	1934
	Ties: 1975
Mar–May 1909 3-Month	27.7°F (-2.4°C)	29.4°F (-1.4°C)	-1.7°F (-1.0°C)	13th Coolest	Coolest since: 1899	1917
	27.7°F (-2.4°C)	29.4°F (-1.4°C)	-1.7°F (-1.0°C)	116th Warmest	Warmest since: 1908	1934
	Ties: 1899
Feb–May 1909 4-Month	26.1°F (-3.3°C)	26.4°F (-3.1°C)	-0.3°F (-0.2°C)	51st Coolest	Coolest since: 1903	1933
Feb–May 1909 4-Month	26.1°F (-3.3°C)	26.4°F (-3.1°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1908	1934
Jan–May 1909 5-Month	24.4°F (-4.2°C)	23.9°F (-4.5°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1908	1922
	24.4°F (-4.2°C)	23.9°F (-4.5°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1907	1934
	Ties: 1901, 1971, 1972, 1999
Dec 1908–May 1909 6-Month	22.9°F (-5.1°C)	22.6°F (-5.2°C)	0.3°F (0.1°C)	61st Coolest	Coolest since: 1906	1929
	22.9°F (-5.1°C)	22.6°F (-5.2°C)	0.3°F (0.1°C)	67th Warmest	Warmest since: 1908	1934
	Ties: 1915, 1945, 1971, 2010
Nov 1908–May 1909 7-Month	22.9°F (-5.1°C)	22.6°F (-5.2°C)	0.3°F (0.1°C)	60th Coolest	Coolest since: 1906	1917
	22.9°F (-5.1°C)	22.6°F (-5.2°C)	0.3°F (0.1°C)	68th Warmest	Warmest since: 1908	1934
	Ties: 2010
Oct 1908–May 1909 8-Month	24.0°F (-4.4°C)	23.8°F (-4.6°C)	0.2°F (0.2°C)	56th Coolest	Coolest since: 1906	1917
	24.0°F (-4.4°C)	23.8°F (-4.6°C)	0.2°F (0.2°C)	72nd Warmest	Warmest since: 1908	1934
	Ties: 1897, 1939, 1965, 1971
Sep 1908–May 1909 9-Month	25.8°F (-3.4°C)	25.6°F (-3.6°C)	0.2°F (0.2°C)	57th Coolest	Coolest since: 1906	1917
	25.8°F (-3.4°C)	25.6°F (-3.6°C)	0.2°F (0.2°C)	71st Warmest	Warmest since: 1908	1934
	Ties: 1911, 1915
Aug 1908–May 1909 10-Month	27.9°F (-2.3°C)	27.8°F (-2.3°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1906	1917
	27.9°F (-2.3°C)	27.8°F (-2.3°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1908	1934
	Ties: 1945, 1966, 1991
Jul 1908–May 1909 11-Month	29.9°F (-1.2°C)	29.7°F (-1.3°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1908	1917
	29.9°F (-1.2°C)	29.7°F (-1.3°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1908	2015
	Ties: 1901, 1908, 1988
Jun 1908–May 1909 12-Month	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	48th Coolest	Coolest since: 1906	1917
	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	80th Warmest	Warmest since: 1908	1934
	Ties: 1915, 1924, 1966, 1969, 1976, 1993
Dec 1907–May 1909 18-Month	28.3°F (-2.1°C)	28.1°F (-2.2°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1906	1917
	28.3°F (-2.1°C)	28.1°F (-2.2°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1908	2016
	Ties: 1958, 1962, 1970
Jun 1907–May 1909 24-Month	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1906	1917
	30.8°F (-0.7°C)	30.8°F (-0.7°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1908	2016
	Ties: 1898, 1964, 1994
Jun 1906–May 1909 36-Month	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	78th Coolest	Coolest since: 1908	1933
	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	48th Warmest	Warmest since: 1902	2016
	Ties: 1943, 1961, 1963, 1970, 1978, 1995, 2010
Jun 1905–May 1909 48-Month	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1906	1932
	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	57th Warmest	Warmest since: 1908	2018
	Ties: 1902, 1944, 1948, 1959, 1964, 1967, 1972, 1980, 1982
Jun 1904–May 1909 60-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1908	1933
	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	51st Warmest	Warmest to Date	2018
	Ties: 1911, 1940, 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 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings