Statewide Rankings

Statewide Data Info
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 1931

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1931
1-Month		55.9°F
(13.3°C)		53.6°F
(12.0°C)		2.3°F
(1.3°C)		97th Coolest
Coolest since:
1965
32nd Warmest
Warmest since:
1998
Ties: 1954
Aug–Sep 1931
2-Month		59.9°F
(15.5°C)		58.5°F
(14.7°C)		1.4°F
(0.8°C)		90th Coolest
Coolest since:
1912
39th Warmest
Warmest since:
2022
Jul–Sep 1931
3-Month		62.6°F
(17.0°C)		60.7°F
(15.9°C)		1.9°F
(1.1°C)		106th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2022
Ties: 1953
Jun–Sep 1931
4-Month		62.5°F
(16.9°C)		60.0°F
(15.6°C)		2.5°F
(1.3°C)		117th Coolest
Coolest since:
1912, 1915
12th Warmest
Warmest since:
2021
Ties: 1933
May–Sep 1931
5-Month		59.4°F
(15.2°C)		57.7°F
(14.3°C)		1.7°F
(0.9°C)		109th Coolest
Coolest since:
1915
20th Warmest
Warmest since:
2012
Ties: 2003
Apr–Sep 1931
6-Month		56.1°F
(13.4°C)		54.5°F
(12.5°C)		1.6°F
(0.9°C)		106th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
Ties: 1900, 1910, 1939, 1954, 1977, 2002
Mar–Sep 1931
7-Month		52.0°F
(11.1°C)		50.9°F
(10.5°C)		1.1°F
(0.6°C)		95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Ties: 1925, 1998, 2004, 2005
Feb–Sep 1931
8-Month		48.9°F
(9.4°C)		47.3°F
(8.5°C)		1.6°F
(0.9°C)		104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Ties: 1990, 2005, 2013
Jan–Sep 1931
9-Month		45.9°F
(7.7°C)		44.1°F
(6.7°C)		1.8°F
(1.0°C)		105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2012
Ties: 1919, 1998, 2022
Dec 1930–Sep 1931
10-Month		43.2°F
(6.2°C)		41.8°F
(5.4°C)		1.4°F
(0.8°C)		97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
1934, 2012
Ties: 1958
Nov 1930–Sep 1931
11-Month		41.9°F
(5.5°C)		40.6°F
(4.8°C)		1.3°F
(0.7°C)		99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 1977
Oct 1930–Sep 1931
12-Month		41.7°F
(5.4°C)		40.8°F
(4.9°C)		0.9°F
(0.5°C)		88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Apr 1930–Sep 1931
18-Month		46.3°F
(7.9°C)		45.3°F
(7.4°C)		1.0°F
(0.5°C)		93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
1934
Ties: 1991, 1998, 2014
Oct 1929–Sep 1931
24-Month		41.0°F
(5.0°C)		40.8°F
(4.9°C)		0.2°F
(0.1°C)		70th Coolest
Coolest since:
1913, 1917
57th Warmest
Warmest since:
2016
Ties: 1953, 1958, 1963, 2011
Oct 1928–Sep 1931
36-Month		40.0°F
(4.4°C)		40.7°F
(4.8°C)		-0.7°F
(-0.4°C)		20th Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2017
Ties: 1905, 1916, 1925, 1952
Oct 1927–Sep 1931
48-Month		40.1°F
(4.5°C)		40.7°F
(4.8°C)		-0.6°F
(-0.3°C)		25th Coolest
Coolest since:
1899
100th Warmest
Warmest since:
2018
Ties: 1901, 1905, 1974
Oct 1926–Sep 1931
60-Month		40.1°F
(4.5°C)		40.7°F
(4.8°C)		-0.6°F
(-0.3°C)		22nd Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2016
Ties: 1926, 1929, 1951, 1973

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