Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Upper Colorado River Basin

Average Temperature Rankings, April 1946

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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
April 1946 1-Month	47.1°F (8.4°C)	41.7°F (5.4°C)	5.4°F (3.0°C)	125th Coolest	Coolest since: 1945	1920
	47.1°F (8.4°C)	41.7°F (5.4°C)	5.4°F (3.0°C)	4th Warmest	Warmest since: 1943	1992
	Ties: 2000
Mar–Apr 1946 2-Month	41.4°F (5.2°C)	37.3°F (2.9°C)	4.1°F (2.3°C)	117th Coolest	Coolest since: 1945	1917
Mar–Apr 1946 2-Month	41.4°F (5.2°C)	37.3°F (2.9°C)	4.1°F (2.3°C)	12th Warmest	Warmest since: 1934	1934, 1992
Feb–Apr 1946 3-Month	36.1°F (2.3°C)	33.4°F (0.8°C)	2.7°F (1.5°C)	108th Coolest	Coolest since: 1945	1903
Feb–Apr 1946 3-Month	36.1°F (2.3°C)	33.4°F (0.8°C)	2.7°F (1.5°C)	21st Warmest	Warmest since: 1943	1934
Jan–Apr 1946 4-Month	32.1°F (0.1°C)	30.3°F (-0.9°C)	1.8°F (1.0°C)	95th Coolest	Coolest since: 1945	1917
Jan–Apr 1946 4-Month	32.1°F (0.1°C)	30.3°F (-0.9°C)	1.8°F (1.0°C)	34th Warmest	Warmest since: 1943	1934
Dec 1945–Apr 1946 5-Month	29.7°F (-1.3°C)	28.8°F (-1.8°C)	0.9°F (0.5°C)	77th Coolest	Coolest since: 1945	1917
	29.7°F (-1.3°C)	28.8°F (-1.8°C)	0.9°F (0.5°C)	51st Warmest	Warmest since: 1943	1934
	Ties: 1970
Nov 1945–Apr 1946 6-Month	29.8°F (-1.2°C)	29.4°F (-1.4°C)	0.4°F (0.2°C)	61st Coolest	Coolest since: 1944	1917
	29.8°F (-1.2°C)	29.4°F (-1.4°C)	0.4°F (0.2°C)	67th Warmest	Warmest since: 1945	1934
	Ties: 1921, 2019
Oct 1945–Apr 1946 7-Month	32.3°F (0.2°C)	31.7°F (-0.2°C)	0.6°F (0.4°C)	75th Coolest	Coolest since: 1944	1917
	32.3°F (0.2°C)	31.7°F (-0.2°C)	0.6°F (0.4°C)	53rd Warmest	Warmest since: 1945	1934
	Ties: 1966, 1972, 1997
Sep 1945–Apr 1946 8-Month	35.2°F (1.8°C)	34.8°F (1.6°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1944	1917
	35.2°F (1.8°C)	34.8°F (1.6°C)	0.4°F (0.2°C)	56th Warmest	Warmest since: 1945	1934
	Ties: 1927, 1941, 1950, 1997
Aug 1945–Apr 1946 9-Month	38.6°F (3.7°C)	38.1°F (3.4°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1944	1917
	38.6°F (3.7°C)	38.1°F (3.4°C)	0.5°F (0.3°C)	54th Warmest	Warmest since: 1945	1934
	Ties: 1941, 1947, 1977, 1980
Jul 1945–Apr 1946 10-Month	41.4°F (5.2°C)	41.0°F (5.0°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1944	1917
Jul 1945–Apr 1946 10-Month	41.4°F (5.2°C)	41.0°F (5.0°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1945	1934
Jun 1945–Apr 1946 11-Month	42.7°F (5.9°C)	42.7°F (5.9°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1944	1917
	42.7°F (5.9°C)	42.7°F (5.9°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1945	1934
	Ties: 1926, 1957, 1971, 2010
May 1945–Apr 1946 12-Month	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1944	1917
	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1945	1934, 2015, 2018
	Ties: 1960, 1971
Nov 1944–Apr 1946 18-Month	39.0°F (3.9°C)	38.7°F (3.7°C)	0.3°F (0.2°C)	60th Coolest	Coolest since: 1945	1913
	39.0°F (3.9°C)	38.7°F (3.7°C)	0.3°F (0.2°C)	67th Warmest	Warmest since: 1944	2018
	Ties: 1901, 1971
May 1944–Apr 1946 24-Month	43.6°F (6.4°C)	43.4°F (6.3°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1945	1913
	43.6°F (6.4°C)	43.4°F (6.3°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1944	2018
	Ties: 1943, 1962, 1967, 1971
May 1943–Apr 1946 36-Month	43.4°F (6.3°C)	43.4°F (6.3°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1944	1914
	43.4°F (6.3°C)	43.4°F (6.3°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1945	2017, 2018, 2019
	Ties: 1927, 1939, 1948, 1967, 1984
May 1942–Apr 1946 48-Month	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1945	1899, 1915
	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1943	2018
	Ties: 1942, 1963, 1964
May 1941–Apr 1946 60-Month	43.4°F (6.3°C)	43.4°F (6.3°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1934	1917
	43.4°F (6.3°C)	43.4°F (6.3°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1945	2018, 2019
	Ties: 1948, 1971

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings