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, April 1947

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1947 1-Month	41.5°F (5.3°C)	42.5°F (5.8°C)	-1.0°F (-0.5°C)	39th Coolest	Coolest since: 1945	1920
	41.5°F (5.3°C)	42.5°F (5.8°C)	-1.0°F (-0.5°C)	90th Warmest	Warmest since: 1946	1943, 1946
	Ties: 1923
Mar–Apr 1947 2-Month	37.0°F (2.8°C)	38.1°F (3.4°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1945	1917
	37.0°F (2.8°C)	38.1°F (3.4°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1946	2012
	Ties: 1937, 1955
Feb–Apr 1947 3-Month	33.8°F (1.0°C)	34.6°F (1.4°C)	-0.8°F (-0.4°C)	42nd Coolest	Coolest since: 1944	1903
	33.8°F (1.0°C)	34.6°F (1.4°C)	-0.8°F (-0.4°C)	87th Warmest	Warmest since: 1946	2017
	Ties: 1983
Jan–Apr 1947 4-Month	31.2°F (-0.4°C)	31.9°F (-0.1°C)	-0.7°F (-0.3°C)	44th Coolest	Coolest since: 1944	1917, 1937
	31.2°F (-0.4°C)	31.9°F (-0.1°C)	-0.7°F (-0.3°C)	85th Warmest	Warmest since: 1946	1986
	Ties: 1970, 1974, 1980
Dec 1946–Apr 1947 5-Month	31.1°F (-0.5°C)	30.5°F (-0.8°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 1945	1899
	31.1°F (-0.5°C)	30.5°F (-0.8°C)	0.6°F (0.3°C)	56th Warmest	Warmest since: 1946	1934, 1981
	Ties: 1902, 1927, 1971, 1982, 1983
Nov 1946–Apr 1947 6-Month	30.8°F (-0.7°C)	31.0°F (-0.6°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1944	1899
	30.8°F (-0.7°C)	31.0°F (-0.6°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1946	1934
	Ties: 1905, 1910, 1936
Oct 1946–Apr 1947 7-Month	32.8°F (0.4°C)	33.3°F (0.7°C)	-0.5°F (-0.3°C)	45th Coolest	Coolest since: 1944	1899
	32.8°F (0.4°C)	33.3°F (0.7°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1946	1934
	Ties: 1958, 1988
Sep 1946–Apr 1947 8-Month	35.9°F (2.2°C)	36.2°F (2.3°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1944	1899
	35.9°F (2.2°C)	36.2°F (2.3°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest since: 1946	1934
	Ties: 1910, 1964, 1969
Aug 1946–Apr 1947 9-Month	39.2°F (4.0°C)	39.5°F (4.2°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1944	1899
	39.2°F (4.0°C)	39.5°F (4.2°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1946	1934
	Ties: 1921, 1928, 1964
Jul 1946–Apr 1947 10-Month	42.1°F (5.6°C)	42.2°F (5.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1944	1899
	42.1°F (5.6°C)	42.2°F (5.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1946	1934
	Ties: 1910, 1922, 1957, 1971, 1977, 1994
Jun 1946–Apr 1947 11-Month	44.0°F (6.7°C)	44.0°F (6.7°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1944	1913
	44.0°F (6.7°C)	44.0°F (6.7°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1946	1934, 2017
	Ties: 1901, 1908
May 1946–Apr 1947 12-Month	44.4°F (6.9°C)	44.6°F (7.0°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1944	1913
	44.4°F (6.9°C)	44.6°F (7.0°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1946	2017
	Ties: 1898, 1932, 1936, 1965, 1988
Nov 1945–Apr 1947 18-Month	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1946	1913
	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1946	2018
	Ties: 1907, 1943, 1946, 1957
May 1945–Apr 1947 24-Month	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1945	1913
	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1946	2018
	Ties: 1908, 1944, 1972
May 1944–Apr 1947 36-Month	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1946	1914
	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1945	2018
	Ties: 1939, 1945, 1967, 1994
May 1943–Apr 1947 48-Month	44.6°F (7.0°C)	44.6°F (7.0°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1945	1915
	44.6°F (7.0°C)	44.6°F (7.0°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1946	2018
	Ties: 1903, 1904, 1948, 1953, 1962, 1980
May 1942–Apr 1947 60-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1946	1917
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1944	2019
	Ties: 1960, 1961

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings