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

Average Temperature Rankings, September 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1978 1-Month	53.4°F (11.9°C)	54.7°F (12.6°C)	-1.3°F (-0.7°C)	30th Coolest	Coolest since: 1972	1912, 1965
	53.4°F (11.9°C)	54.7°F (12.6°C)	-1.3°F (-0.7°C)	99th Warmest	Warmest since: 1977	1990
	Ties: 1946
Aug–Sep 1978 2-Month	57.3°F (14.1°C)	59.1°F (15.1°C)	-1.8°F (-1.0°C)	14th Coolest	Coolest since: 1968	1912
	57.3°F (14.1°C)	59.1°F (15.1°C)	-1.8°F (-1.0°C)	115th Warmest	Warmest since: 1977	2022
	Ties: 1903
Jul–Sep 1978 3-Month	59.6°F (15.3°C)	61.1°F (16.2°C)	-1.5°F (-0.9°C)	12th Coolest	Coolest since: 1968	1912
	59.6°F (15.3°C)	61.1°F (16.2°C)	-1.5°F (-0.9°C)	117th Warmest	Warmest since: 1977	2022
	Ties: 1964, 1968
Jun–Sep 1978 4-Month	58.8°F (14.9°C)	60.0°F (15.6°C)	-1.2°F (-0.7°C)	14th Coolest	Coolest since: 1965	1993
	58.8°F (14.9°C)	60.0°F (15.6°C)	-1.2°F (-0.7°C)	115th Warmest	Warmest since: 1977	2021
	Ties: 1945, 1954
May–Sep 1978 5-Month	56.3°F (13.5°C)	57.9°F (14.4°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1965	1912
	56.3°F (13.5°C)	57.9°F (14.4°C)	-1.6°F (-0.9°C)	118th Warmest	Warmest since: 1977	2021
	Ties: 1902
Apr–Sep 1978 6-Month	53.8°F (12.1°C)	55.1°F (12.8°C)	-1.3°F (-0.7°C)	17th Coolest	Coolest since: 1975	1912
	53.8°F (12.1°C)	55.1°F (12.8°C)	-1.3°F (-0.7°C)	112th Warmest	Warmest since: 1977	2021
	Ties: 1917, 1920, 2010
Mar–Sep 1978 7-Month	51.4°F (10.8°C)	51.8°F (11.0°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1976	1912
	51.4°F (10.8°C)	51.8°F (11.0°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1977	1934, 2015
	Ties: 1935, 1983, 2011
Feb–Sep 1978 8-Month	48.7°F (9.3°C)	48.7°F (9.3°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1976	1964
	48.7°F (9.3°C)	48.7°F (9.3°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1977	1934, 2015
	Ties: 1960, 1973, 2002
Jan–Sep 1978 9-Month	46.4°F (8.0°C)	45.8°F (7.7°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1977	1917
	46.4°F (8.0°C)	45.8°F (7.7°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1967	1934
	Ties: 1914, 1918, 1939, 1963
Dec 1977–Sep 1978 10-Month	44.5°F (6.9°C)	43.5°F (6.4°C)	1.0°F (0.5°C)	90th Coolest	Coolest since: 1977	1917
	44.5°F (6.9°C)	43.5°F (6.4°C)	1.0°F (0.5°C)	38th Warmest	Warmest since: 1967	1934
	Ties: 1966
Nov 1977–Sep 1978 11-Month	43.3°F (6.3°C)	42.5°F (5.8°C)	0.8°F (0.5°C)	87th Coolest	Coolest since: 1977	1917
	43.3°F (6.3°C)	42.5°F (5.8°C)	0.8°F (0.5°C)	41st Warmest	Warmest since: 1967	1934
	Ties: 1947
Oct 1977–Sep 1978 12-Month	43.4°F (6.3°C)	42.6°F (5.9°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1977	1917
	43.4°F (6.3°C)	42.6°F (5.9°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1967	1934
	Ties: 1919, 1959, 1996, 1997
Apr 1977–Sep 1978 18-Month	47.4°F (8.6°C)	46.7°F (8.2°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1977	1917
	47.4°F (8.6°C)	46.7°F (8.2°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1967	2015
	Ties: 1898, 1905, 1939, 1991, 1994, 1999, 2008, 2009
Oct 1976–Sep 1978 24-Month	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1977	1917
	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1968	2016
	Ties: 1905, 1961, 1993, 2010
Oct 1975–Sep 1978 36-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 1977	1917
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1969	2017
	Ties: 1947, 1948, 1954, 2010
Oct 1974–Sep 1978 48-Month	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	40th Coolest	Coolest since: 1977	1913, 1917, 1932
	42.4°F (5.8°C)	42.5°F (5.8°C)	-0.1°F (0.0°C)	85th Warmest	Warmest since: 1971	2018
	Ties: 1900, 1901, 1902, 1909, 1911, 1929, 1944, 1971, 1979
Oct 1973–Sep 1978 60-Month	42.5°F (5.8°C)	42.5°F (5.8°C)	0.0°F (0.0°C)	49th Coolest	Coolest since: 1977	1917, 1933
	42.5°F (5.8°C)	42.5°F (5.8°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1971	2016, 2017, 2018
	Ties: 1900, 1902, 1904, 1905, 1929, 1930, 1947, 1948, 1980, 1988

Citing This Page

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