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.

Colorado

Average Temperature Rankings, September 1975

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1975 1-Month	55.6°F (13.1°C)	57.3°F (14.1°C)	-1.7°F (-1.0°C)	24th Coolest	Coolest since: 1974	1912
	55.6°F (13.1°C)	57.3°F (14.1°C)	-1.7°F (-1.0°C)	105th Warmest	Warmest since: 1972	2019
	Ties: 1924, 1941
Aug–Sep 1975 2-Month	60.2°F (15.7°C)	61.3°F (16.3°C)	-1.1°F (-0.6°C)	21st Coolest	Coolest since: 1974	1912
	60.2°F (15.7°C)	61.3°F (16.3°C)	-1.1°F (-0.6°C)	108th Warmest	Warmest since: 1973	2019
	Ties: 1941, 1985
Jul–Sep 1975 3-Month	62.5°F (16.9°C)	63.2°F (17.3°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1974	1912
	62.5°F (16.9°C)	63.2°F (17.3°C)	-0.7°F (-0.4°C)	97th Warmest	Warmest since: 1972	2022
	Ties: 1917, 1929, 1972
Jun–Sep 1975 4-Month	61.6°F (16.4°C)	62.7°F (17.1°C)	-1.1°F (-0.7°C)	19th Coolest	Coolest since: 1967	1912
	61.6°F (16.4°C)	62.7°F (17.1°C)	-1.1°F (-0.7°C)	110th Warmest	Warmest since: 1974	2012, 2021
	Ties: 1908, 1916, 1951
May–Sep 1975 5-Month	59.2°F (15.1°C)	60.5°F (15.8°C)	-1.3°F (-0.7°C)	12th Coolest	Coolest since: 1968	1915
	59.2°F (15.1°C)	60.5°F (15.8°C)	-1.3°F (-0.7°C)	117th Warmest	Warmest since: 1974	2018
	Ties: 1920, 1928, 1968
Apr–Sep 1975 6-Month	55.9°F (13.3°C)	57.5°F (14.2°C)	-1.6°F (-0.9°C)	9th Coolest	Coolest since: 1973	1912
	55.9°F (13.3°C)	57.5°F (14.2°C)	-1.6°F (-0.9°C)	120th Warmest	Warmest since: 1974	2012
	Ties: 1945, 1957, 1965
Mar–Sep 1975 7-Month	52.5°F (11.4°C)	54.1°F (12.3°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1973	1912
Mar–Sep 1975 7-Month	52.5°F (11.4°C)	54.1°F (12.3°C)	-1.6°F (-0.9°C)	118th Warmest	Warmest since: 1974	2012
Feb–Sep 1975 8-Month	49.1°F (9.5°C)	50.8°F (10.4°C)	-1.7°F (-0.9°C)	9th Coolest	Coolest since: 1973	1912
	49.1°F (9.5°C)	50.8°F (10.4°C)	-1.7°F (-0.9°C)	120th Warmest	Warmest since: 1974	2012
	Ties: 1895, 1899, 1973
Jan–Sep 1975 9-Month	46.2°F (7.9°C)	47.8°F (8.8°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1973	1912
	46.2°F (7.9°C)	47.8°F (8.8°C)	-1.6°F (-0.9°C)	118th Warmest	Warmest since: 1974	2012
	Ties: 1913, 1942
Dec 1974–Sep 1975 10-Month	43.9°F (6.6°C)	45.5°F (7.5°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1973	1912
	43.9°F (6.6°C)	45.5°F (7.5°C)	-1.6°F (-0.9°C)	117th Warmest	Warmest since: 1974	1934
	Ties: 1965
Nov 1974–Sep 1975 11-Month	42.9°F (6.1°C)	44.4°F (6.9°C)	-1.5°F (-0.8°C)	12th Coolest	Coolest since: 1973	1912
	42.9°F (6.1°C)	44.4°F (6.9°C)	-1.5°F (-0.8°C)	116th Warmest	Warmest since: 1974	2018
	Ties: 1965
Oct 1974–Sep 1975 12-Month	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	16th Coolest	Coolest since: 1973	1912
Oct 1974–Sep 1975 12-Month	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	112th Warmest	Warmest since: 1974	1934, 2000
Apr 1974–Sep 1975 18-Month	48.1°F (8.9°C)	48.9°F (9.4°C)	-0.8°F (-0.5°C)	18th Coolest	Coolest since: 1973	1917
	48.1°F (8.9°C)	48.9°F (9.4°C)	-0.8°F (-0.5°C)	110th Warmest	Warmest since: 1974	2018
	Ties: 1918, 1919, 1930
Oct 1973–Sep 1975 24-Month	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	28th Coolest	Coolest since: 1974	1913
	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	99th Warmest	Warmest since: 1972	2018
	Ties: 1910, 1950, 1984
Oct 1972–Sep 1975 36-Month	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	6th Coolest	Coolest since: 1919	1914
	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1974	2018
	Ties: 1913
Oct 1971–Sep 1975 48-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	18th Coolest	Coolest since: 1973	1915
	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	107th Warmest	Warmest since: 1974	2018
	Ties: 1901, 1929, 1973
Oct 1970–Sep 1975 60-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	13th Coolest	Coolest since: 1933	1916
	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	111th Warmest	Warmest since: 1974	2018
	Ties: 1901, 1903, 1930, 1932

Citing This Page

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