Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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, February 1987

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 1987 1-Month	28.6°F (-1.9°C)	25.6°F (-3.6°C)	3.0°F (1.7°C)	95th Coolest	Coolest since: 1985	1903
	28.6°F (-1.9°C)	25.6°F (-3.6°C)	3.0°F (1.7°C)	34th Warmest	Warmest since: 1986	1995
	Ties: 1972, 1980, 2018
Jan–Feb 1987 2-Month	25.0°F (-3.9°C)	23.4°F (-4.8°C)	1.6°F (0.9°C)	83rd Coolest	Coolest since: 1985	1937, 1949
	25.0°F (-3.9°C)	23.4°F (-4.8°C)	1.6°F (0.9°C)	46th Warmest	Warmest since: 1986	2015
	Ties: 1931, 1990, 1992, 2001, 2022
Dec 1986–Feb 1987 3-Month	25.1°F (-3.8°C)	23.2°F (-4.9°C)	1.9°F (1.1°C)	91st Coolest	Coolest since: 1985	1933
	25.1°F (-3.8°C)	23.2°F (-4.9°C)	1.9°F (1.1°C)	37th Warmest	Warmest since: 1986	1981
	Ties: 1902, 1918, 1977, 2001
Nov 1986–Feb 1987 4-Month	27.1°F (-2.7°C)	25.4°F (-3.7°C)	1.7°F (1.0°C)	90th Coolest	Coolest since: 1985	1949
	27.1°F (-2.7°C)	25.4°F (-3.7°C)	1.7°F (1.0°C)	38th Warmest	Warmest since: 1986	1981
	Ties: 1971, 1977, 2007
Oct 1986–Feb 1987 5-Month	30.5°F (-0.8°C)	29.4°F (-1.4°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 1985	1933
	30.5°F (-0.8°C)	29.4°F (-1.4°C)	1.1°F (0.6°C)	42nd Warmest	Warmest since: 1986	1934
	Ties: 1970
Sep 1986–Feb 1987 6-Month	34.2°F (1.2°C)	33.9°F (1.1°C)	0.3°F (0.1°C)	61st Coolest	Coolest since: 1985	1913
	34.2°F (1.2°C)	33.9°F (1.1°C)	0.3°F (0.1°C)	67th Warmest	Warmest since: 1986	1934
	Ties: 1922, 1928, 2001
Aug 1986–Feb 1987 7-Month	38.8°F (3.8°C)	38.3°F (3.5°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1985	1913
	38.8°F (3.8°C)	38.3°F (3.5°C)	0.5°F (0.3°C)	60th Warmest	Warmest since: 1986	1934
	Ties: 1950, 1958
Jul 1986–Feb 1987 8-Month	42.1°F (5.6°C)	41.9°F (5.5°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1985	1913
	42.1°F (5.6°C)	41.9°F (5.5°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1986	1934, 2018
	Ties: 1971
Jun 1986–Feb 1987 9-Month	44.5°F (6.9°C)	44.0°F (6.7°C)	0.5°F (0.2°C)	68th Coolest	Coolest since: 1985	1913
	44.5°F (6.9°C)	44.0°F (6.7°C)	0.5°F (0.2°C)	60th Warmest	Warmest since: 1986	2018
	Ties: 1918
May 1986–Feb 1987 10-Month	45.1°F (7.3°C)	44.7°F (7.1°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1985	1913
	45.1°F (7.3°C)	44.7°F (7.1°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1986	2018
	Ties: 1923, 1947
Apr 1986–Feb 1987 11-Month	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1985	1913
	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	60th Warmest	Warmest since: 1986	2018, 2022
	Ties: 1977
Mar 1986–Feb 1987 12-Month	44.5°F (6.9°C)	43.4°F (6.3°C)	1.1°F (0.6°C)	88th Coolest	Coolest since: 1985	1913
	44.5°F (6.9°C)	43.4°F (6.3°C)	1.1°F (0.6°C)	40th Warmest	Warmest since: 1986	2018
	Ties: 1947, 1993, 1998
Sep 1985–Feb 1987 18-Month	41.3°F (5.2°C)	40.2°F (4.6°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1986	1913
	41.3°F (5.2°C)	40.2°F (4.6°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1982	2018
	Ties: 1944
Mar 1985–Feb 1987 24-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	94th Coolest	Coolest since: 1986	1913, 1914
Mar 1985–Feb 1987 24-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1982	2018
Mar 1984–Feb 1987 36-Month	43.9°F (6.6°C)	43.4°F (6.3°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1986	1914
	43.9°F (6.6°C)	43.4°F (6.3°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1983	2018
	Ties: 1943, 1945, 1959, 1963, 1980, 1981
Mar 1983–Feb 1987 48-Month	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1986	1899, 1915
	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 1984	2018
	Ties: 1945, 1946, 1955, 1958, 1965
Mar 1982–Feb 1987 60-Month	43.5°F (6.4°C)	43.3°F (6.3°C)	0.2°F (0.1°C)	54th Coolest	Coolest since: 1979	1917
	43.5°F (6.4°C)	43.3°F (6.3°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1986	2018, 2019
	Ties: 1948, 1956, 1967, 1979

Citing This Page

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