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.

Wyoming

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	54.4°F (12.4°C)	53.6°F (12.0°C)	0.8°F (0.4°C)	71st Coolest	Coolest since: 1975	1965
	54.4°F (12.4°C)	53.6°F (12.0°C)	0.8°F (0.4°C)	58th Warmest	Warmest since: 1977	1998
	Ties: 1910
Aug–Sep 1978 2-Month	57.6°F (14.2°C)	58.4°F (14.7°C)	-0.8°F (-0.5°C)	33rd Coolest	Coolest since: 1975	1912
	57.6°F (14.2°C)	58.4°F (14.7°C)	-0.8°F (-0.5°C)	96th Warmest	Warmest since: 1977	2022
	Ties: 1908, 1921, 1923
Jul–Sep 1978 3-Month	59.9°F (15.5°C)	60.7°F (15.9°C)	-0.8°F (-0.4°C)	30th Coolest	Coolest since: 1974	1912
	59.9°F (15.5°C)	60.7°F (15.9°C)	-0.8°F (-0.4°C)	99th Warmest	Warmest since: 1977	2022
	Ties: 1916, 1920, 1941, 1944, 1961, 1971, 2004
Jun–Sep 1978 4-Month	59.4°F (15.2°C)	60.0°F (15.6°C)	-0.6°F (-0.4°C)	34th Coolest	Coolest since: 1975	1912, 1915
	59.4°F (15.2°C)	60.0°F (15.6°C)	-0.6°F (-0.4°C)	95th Warmest	Warmest since: 1977	2021
	Ties: 1973
May–Sep 1978 5-Month	56.7°F (13.7°C)	57.6°F (14.2°C)	-0.9°F (-0.5°C)	25th Coolest	Coolest since: 1975	1915
	56.7°F (13.7°C)	57.6°F (14.2°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1977	2012
	Ties: 1896, 1967, 1995
Apr–Sep 1978 6-Month	54.1°F (12.3°C)	54.5°F (12.5°C)	-0.4°F (-0.2°C)	43rd Coolest	Coolest since: 1975	1912
	54.1°F (12.3°C)	54.5°F (12.5°C)	-0.4°F (-0.2°C)	86th Warmest	Warmest since: 1977	2012
	Ties: 1911, 1935
Mar–Sep 1978 7-Month	51.0°F (10.6°C)	50.9°F (10.5°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1975	1912
	51.0°F (10.6°C)	50.9°F (10.5°C)	0.1°F (0.1°C)	73rd Warmest	Warmest since: 1977	2012
	Ties: 1926, 2019
Feb–Sep 1978 8-Month	47.1°F (8.4°C)	47.3°F (8.5°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1975	1912
Feb–Sep 1978 8-Month	47.1°F (8.4°C)	47.3°F (8.5°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1977	2012
Jan–Sep 1978 9-Month	43.7°F (6.5°C)	44.0°F (6.7°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1975	1917
	43.7°F (6.5°C)	44.0°F (6.7°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1977	2012
	Ties: 1898, 1984
Dec 1977–Sep 1978 10-Month	41.6°F (5.3°C)	41.7°F (5.4°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1975	1917
	41.6°F (5.3°C)	41.7°F (5.4°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1977	1934, 2012
	Ties: 1907
Nov 1977–Sep 1978 11-Month	40.5°F (4.7°C)	40.6°F (4.8°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1975	1917
	40.5°F (4.7°C)	40.6°F (4.8°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1977	1934
	Ties: 1972, 2019
Oct 1977–Sep 1978 12-Month	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1975	1917
	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1977	1934
	Ties: 1918, 1926, 1956, 1982
Apr 1977–Sep 1978 18-Month	45.9°F (7.7°C)	45.3°F (7.4°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1976	1917
	45.9°F (7.7°C)	45.3°F (7.4°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1977	1934
	Ties: 1939, 1959
Oct 1976–Sep 1978 24-Month	41.3°F (5.2°C)	40.8°F (4.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1976	1913, 1917
	41.3°F (5.2°C)	40.8°F (4.9°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1977	2016
	Ties: 1947, 1997, 2009, 2010
Oct 1975–Sep 1978 36-Month	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1977	1917
	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1956	2017
	Ties: 1994, 2011
Oct 1974–Sep 1978 48-Month	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1976	1899
	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1977	2018
	Ties: 1939
Oct 1973–Sep 1978 60-Month	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	65th Coolest	Coolest since: 1977	1917
	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1970	2016
	Ties: 1954, 1960, 1962, 1964, 1970

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