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.

California River Basin

Average Temperature Rankings, February 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 1990 1-Month	42.7°F (5.9°C)	45.3°F (7.4°C)	-2.6°F (-1.5°C)	20th Coolest	Coolest since: 1989	1903
	42.7°F (5.9°C)	45.3°F (7.4°C)	-2.6°F (-1.5°C)	109th Warmest	Warmest since: 1989	2015
	Ties: 1989
Jan–Feb 1990 2-Month	42.9°F (6.1°C)	43.8°F (6.6°C)	-0.9°F (-0.5°C)	34th Coolest	Coolest since: 1989	1949
	42.9°F (6.1°C)	43.8°F (6.6°C)	-0.9°F (-0.5°C)	95th Warmest	Warmest since: 1988	2015
	Ties: 1942
Dec 1989–Feb 1990 3-Month	43.5°F (6.4°C)	43.5°F (6.4°C)	0.0°F (0.0°C)	47th Coolest	Coolest since: 1989	1949
	43.5°F (6.4°C)	43.5°F (6.4°C)	0.0°F (0.0°C)	81st Warmest	Warmest since: 1988	2015
	Ties: 1957, 2013
Nov 1989–Feb 1990 4-Month	45.6°F (7.6°C)	45.1°F (7.3°C)	0.5°F (0.3°C)	70th Coolest	Coolest since: 1989	1949
	45.6°F (7.6°C)	45.1°F (7.3°C)	0.5°F (0.3°C)	58th Warmest	Warmest since: 1987	2015
	Ties: 1914
Oct 1989–Feb 1990 5-Month	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1989	1949
	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1988	2015
	Ties: 1904, 1924, 1928, 1998, 2005
Sep 1989–Feb 1990 6-Month	51.6°F (10.9°C)	51.4°F (10.8°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1987	1917, 1949
	51.6°F (10.9°C)	51.4°F (10.8°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1989	2015
	Ties: 1902, 1944, 1945, 1960, 1995
Aug 1989–Feb 1990 7-Month	54.5°F (12.5°C)	54.6°F (12.6°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1985	1917
	54.5°F (12.5°C)	54.6°F (12.6°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1989	2015
	Ties: 1900, 1904, 1906, 1964
Jul 1989–Feb 1990 8-Month	57.1°F (13.9°C)	57.1°F (13.9°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1987	1917
	57.1°F (13.9°C)	57.1°F (13.9°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1989	2015
	Ties: 1958
Jun 1989–Feb 1990 9-Month	58.5°F (14.7°C)	58.3°F (14.6°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1987	1917
	58.5°F (14.7°C)	58.3°F (14.6°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 1989	2015
	Ties: 1902, 1914, 1965, 1971, 1987, 1999
May 1989–Feb 1990 10-Month	58.8°F (14.9°C)	58.6°F (14.8°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1983	1917
	58.8°F (14.9°C)	58.6°F (14.8°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1989	2015
	Ties: 1994
Apr 1989–Feb 1990 11-Month	58.9°F (14.9°C)	58.2°F (14.6°C)	0.7°F (0.3°C)	82nd Coolest	Coolest since: 1989	1949
	58.9°F (14.9°C)	58.2°F (14.6°C)	0.7°F (0.3°C)	46th Warmest	Warmest since: 1988	2015
	Ties: 1905, 1934, 1953, 2001
Mar 1989–Feb 1990 12-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1989	1949
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1988	2015
	Ties: 1938, 2007
Sep 1988–Feb 1990 18-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1988	1913, 1949
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1989	2015
	Ties: 1988, 1992
Mar 1988–Feb 1990 24-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1987	1913
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	36th Warmest	Warmest since: 1989	2015, 2016
	Ties: 2001
Mar 1987–Feb 1990 36-Month	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1989	1914
	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	28th Warmest	Warmest since: 1988	2016
	Ties: 1941, 1988, 1992, 1999
Mar 1986–Feb 1990 48-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	99th Coolest	Coolest since: 1989	1913
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	26th Warmest	Warmest since: 1962	2018
	Ties: 1941, 1961, 1962, 1992, 1994, 1995, 2000, 2013
Mar 1985–Feb 1990 60-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1989	1913
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1989	2018
	Ties: 1963, 1989

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings