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 1913

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1913 1-Month	52.5°F (11.4°C)	53.6°F (12.0°C)	-1.1°F (-0.6°C)	38th Coolest	Coolest since: 1912	1965
	52.5°F (11.4°C)	53.6°F (12.0°C)	-1.1°F (-0.6°C)	91st Warmest	Warmest since: 1911	1998
	Ties: 1895, 1907, 1927, 1982
Aug–Sep 1913 2-Month	58.8°F (14.9°C)	58.5°F (14.7°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1912	1912
	58.8°F (14.9°C)	58.5°F (14.7°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1909	2022
	Ties: 2017
Jul–Sep 1913 3-Month	60.0°F (15.6°C)	60.7°F (15.9°C)	-0.7°F (-0.3°C)	38th Coolest	Coolest since: 1912	1912
	60.0°F (15.6°C)	60.7°F (15.9°C)	-0.7°F (-0.3°C)	91st Warmest	Warmest since: 1910	2022
	Ties: 1987
Jun–Sep 1913 4-Month	59.8°F (15.4°C)	60.0°F (15.6°C)	-0.2°F (-0.2°C)	50th Coolest	Coolest since: 1912	1912, 1915
	59.8°F (15.4°C)	60.0°F (15.6°C)	-0.2°F (-0.2°C)	79th Warmest	Warmest since: 1910	2021
	Ties: 1914, 1923, 1995
May–Sep 1913 5-Month	57.7°F (14.3°C)	57.7°F (14.3°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1912	1915
	57.7°F (14.3°C)	57.7°F (14.3°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1910	2012
	Ties: 1898, 1925, 1935, 1985, 1992
Apr–Sep 1913 6-Month	54.9°F (12.7°C)	54.5°F (12.5°C)	0.4°F (0.2°C)	67th Coolest	Coolest since: 1912	1912
	54.9°F (12.7°C)	54.5°F (12.5°C)	0.4°F (0.2°C)	62nd Warmest	Warmest since: 1910	2012
	Ties: 1898, 1955
Mar–Sep 1913 7-Month	50.6°F (10.3°C)	50.9°F (10.5°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1912	1912
	50.6°F (10.3°C)	50.9°F (10.5°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1911	2012
	Ties: 1898, 1932, 1935
Feb–Sep 1913 8-Month	45.9°F (7.7°C)	47.3°F (8.5°C)	-1.4°F (-0.8°C)	20th Coolest	Coolest since: 1912	1912
Feb–Sep 1913 8-Month	45.9°F (7.7°C)	47.3°F (8.5°C)	-1.4°F (-0.8°C)	109th Warmest	Warmest since: 1911	2012
Jan–Sep 1913 9-Month	42.6°F (5.9°C)	44.0°F (6.7°C)	-1.4°F (-0.8°C)	18th Coolest	Coolest since: 1912	1917
	42.6°F (5.9°C)	44.0°F (6.7°C)	-1.4°F (-0.8°C)	111th Warmest	Warmest since: 1911	2012
	Ties: 1937, 1949
Dec 1912–Sep 1913 10-Month	40.3°F (4.6°C)	41.7°F (5.4°C)	-1.4°F (-0.8°C)	18th Coolest	Coolest since: 1912	1917
	40.3°F (4.6°C)	41.7°F (5.4°C)	-1.4°F (-0.8°C)	110th Warmest	Warmest since: 1911	1934, 2012
	Ties: 1964
Nov 1912–Sep 1913 11-Month	39.5°F (4.2°C)	40.6°F (4.8°C)	-1.1°F (-0.6°C)	22nd Coolest	Coolest since: 1912	1917
	39.5°F (4.2°C)	40.6°F (4.8°C)	-1.1°F (-0.6°C)	106th Warmest	Warmest since: 1911	1934
	Ties: 1897, 1906, 1916, 1968
Oct 1912–Sep 1913 12-Month	39.5°F (4.2°C)	40.8°F (4.9°C)	-1.3°F (-0.7°C)	16th Coolest	Coolest since: 1912	1917
	39.5°F (4.2°C)	40.8°F (4.9°C)	-1.3°F (-0.7°C)	112th Warmest	Warmest since: 1911	1934
	Ties: 1950, 1975
Apr 1912–Sep 1913 18-Month	43.4°F (6.3°C)	45.3°F (7.4°C)	-1.9°F (-1.1°C)	5th Coolest	Coolest since: 1912	1917
Apr 1912–Sep 1913 18-Month	43.4°F (6.3°C)	45.3°F (7.4°C)	-1.9°F (-1.1°C)	123rd Warmest	Warmest since: 1911	1934
Oct 1911–Sep 1913 24-Month	38.2°F (3.4°C)	40.7°F (4.8°C)	-2.5°F (-1.4°C)	1st Coolest	Coolest since: 1913	1913, 1917
	38.2°F (3.4°C)	40.7°F (4.8°C)	-2.5°F (-1.4°C)	126th Warmest	Warmest since: 1912	2016
	Ties: 1917
Oct 1910–Sep 1913 36-Month	39.3°F (4.1°C)	40.7°F (4.8°C)	-1.4°F (-0.7°C)	5th Coolest	Coolest since: 1899	1917
Oct 1910–Sep 1913 36-Month	39.3°F (4.1°C)	40.7°F (4.8°C)	-1.4°F (-0.7°C)	121st Warmest	Warmest since: 1912	2017
Oct 1909–Sep 1913 48-Month	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	7th Coolest	Coolest since: 1900	1899
	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	118th Warmest	Warmest since: 1912	2018
	Ties: 1900, 1923, 1930, 1952
Oct 1908–Sep 1913 60-Month	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	7th Coolest	Coolest since: 1900	1917
	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	117th Warmest	Warmest since: 1912	2016
	Ties: 1900, 1921

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings