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 1930

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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
September 1930 1-Month	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1929	1965
	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1925	1998
	Ties: 1898, 1920, 1923
Aug–Sep 1930 2-Month	58.5°F (14.7°C)	58.5°F (14.7°C)	0.0°F (0.0°C)	63rd Coolest	Coolest since: 1929	1912
	58.5°F (14.7°C)	58.5°F (14.7°C)	0.0°F (0.0°C)	66th Warmest	Warmest since: 1922	2022
	Ties: 1989
Jul–Sep 1930 3-Month	61.2°F (16.2°C)	60.7°F (15.9°C)	0.5°F (0.3°C)	70th Coolest	Coolest since: 1929	1912
Jul–Sep 1930 3-Month	61.2°F (16.2°C)	60.7°F (15.9°C)	0.5°F (0.3°C)	59th Warmest	Warmest since: 1922	2022
Jun–Sep 1930 4-Month	60.2°F (15.7°C)	60.0°F (15.6°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1929	1912, 1915
	60.2°F (15.7°C)	60.0°F (15.6°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1922	2021
	Ties: 2008
May–Sep 1930 5-Month	57.4°F (14.1°C)	57.7°F (14.3°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1929	1915
	57.4°F (14.1°C)	57.7°F (14.3°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1925	2012
	Ties: 1943, 1986, 2010
Apr–Sep 1930 6-Month	55.5°F (13.1°C)	54.5°F (12.5°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 1929	1912
	55.5°F (13.1°C)	54.5°F (12.5°C)	1.0°F (0.6°C)	40th Warmest	Warmest since: 1919	2012
	Ties: 1943, 1992
Mar–Sep 1930 7-Month	51.4°F (10.8°C)	50.9°F (10.5°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1929	1912
	51.4°F (10.8°C)	50.9°F (10.5°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1925	2012
	Ties: 1961, 2011
Feb–Sep 1930 8-Month	48.7°F (9.3°C)	47.3°F (8.5°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 1929	1912
	48.7°F (9.3°C)	47.3°F (8.5°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1925	2012
	Ties: 1946, 1986
Jan–Sep 1930 9-Month	43.8°F (6.6°C)	44.1°F (6.7°C)	-0.3°F (-0.1°C)	50th Coolest	Coolest since: 1929	1917
Jan–Sep 1930 9-Month	43.8°F (6.6°C)	44.1°F (6.7°C)	-0.3°F (-0.1°C)	79th Warmest	Warmest since: 1926	2012
Dec 1929–Sep 1930 10-Month	41.9°F (5.5°C)	41.8°F (5.4°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1929	1917
	41.9°F (5.5°C)	41.8°F (5.4°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1926	1934, 2012
	Ties: 1948, 2010
Nov 1929–Sep 1930 11-Month	40.1°F (4.5°C)	40.6°F (4.8°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1929	1917
	40.1°F (4.5°C)	40.6°F (4.8°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1926	1934
	Ties: 1948, 1952, 1957
Oct 1929–Sep 1930 12-Month	40.3°F (4.6°C)	40.8°F (4.9°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1929	1917
	40.3°F (4.6°C)	40.8°F (4.9°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1926	1934
	Ties: 1907, 1951
Apr 1929–Sep 1930 18-Month	44.6°F (7.0°C)	45.3°F (7.4°C)	-0.7°F (-0.4°C)	29th Coolest	Coolest since: 1929	1917
	44.6°F (7.0°C)	45.3°F (7.4°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1927	1934
	Ties: 1918
Oct 1928–Sep 1930 24-Month	39.2°F (4.0°C)	40.8°F (4.9°C)	-1.6°F (-0.9°C)	6th Coolest	Coolest since: 1929	1913, 1917
	39.2°F (4.0°C)	40.8°F (4.9°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1928	2016
	Ties: 1912
Oct 1927–Sep 1930 36-Month	39.5°F (4.2°C)	40.7°F (4.8°C)	-1.2°F (-0.6°C)	6th Coolest	Coolest since: 1929	1917
	39.5°F (4.2°C)	40.7°F (4.8°C)	-1.2°F (-0.6°C)	120th Warmest	Warmest since: 1929	2017
	Ties: 1924, 1929
Oct 1926–Sep 1930 48-Month	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	7th Coolest	Coolest since: 1923	1899
	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	118th Warmest	Warmest since: 1929	2018
	Ties: 1900, 1913, 1923, 1952
Oct 1925–Sep 1930 60-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	11th Coolest	Coolest since: 1924	1917
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	113th Warmest	Warmest since: 1929	2016
	Ties: 1903, 1907, 1912, 1914, 1933, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings