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, March 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 1991 1-Month	44.8°F (7.1°C)	48.8°F (9.3°C)	-4.0°F (-2.2°C)	9th Coolest	Coolest since: 1958	1897
	44.8°F (7.1°C)	48.8°F (9.3°C)	-4.0°F (-2.2°C)	120th Warmest	Warmest since: 1990	1934
	Ties: 1922
Feb–Mar 1991 2-Month	48.2°F (9.0°C)	47.1°F (8.4°C)	1.1°F (0.6°C)	84th Coolest	Coolest since: 1990	1897, 1903
	48.2°F (9.0°C)	47.1°F (8.4°C)	1.1°F (0.6°C)	45th Warmest	Warmest since: 1988	2015
	Ties: 1921, 1981
Jan–Mar 1991 3-Month	46.6°F (8.1°C)	45.5°F (7.5°C)	1.1°F (0.6°C)	81st Coolest	Coolest since: 1990	1949
	46.6°F (8.1°C)	45.5°F (7.5°C)	1.1°F (0.6°C)	48th Warmest	Warmest since: 1988	2015
	Ties: 1961, 1983
Dec 1990–Mar 1991 4-Month	44.6°F (7.0°C)	44.9°F (7.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1989	1949
	44.6°F (7.0°C)	44.9°F (7.2°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1990	2015
	Ties: 1911, 1993, 2008
Nov 1990–Mar 1991 5-Month	45.6°F (7.6°C)	45.8°F (7.7°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1989	1949
	45.6°F (7.6°C)	45.8°F (7.7°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1990	2015
	Ties: 1911, 1950, 1971, 1972, 1974, 1993, 1999
Oct 1990–Mar 1991 6-Month	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	61st Coolest	Coolest since: 1985	1917
	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	67th Warmest	Warmest since: 1990	2015
	Ties: 1901, 1902, 1961, 1993, 2008
Sep 1990–Mar 1991 7-Month	51.4°F (10.8°C)	51.0°F (10.6°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1987	1917
	51.4°F (10.8°C)	51.0°F (10.6°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1990	2015
	Ties: 1965, 1982
Aug 1990–Mar 1991 8-Month	54.2°F (12.3°C)	53.8°F (12.1°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1990	1917
	54.2°F (12.3°C)	53.8°F (12.1°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1989	2015
	Ties: 1965, 2008
Jul 1990–Mar 1991 9-Month	56.7°F (13.7°C)	56.2°F (13.4°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1990	1917
	56.7°F (13.7°C)	56.2°F (13.4°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1989	2015
	Ties: 1954, 1994, 1995, 1998
Jun 1990–Mar 1991 10-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1990	1917
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1989	2015
	Ties: 1927, 1967, 1993
May 1990–Mar 1991 11-Month	58.2°F (14.6°C)	57.7°F (14.3°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1990	1917
	58.2°F (14.6°C)	57.7°F (14.3°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1989	2015
	Ties: 1918, 1963, 1994, 2012
Apr 1990–Mar 1991 12-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	86th Coolest	Coolest since: 1989	1917
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	42nd Warmest	Warmest since: 1990	2015
	Ties: 1905, 1963, 1981, 1995
Oct 1989–Mar 1991 18-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	87th Coolest	Coolest since: 1986	1949
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1990	2015
	Ties: 2006
Apr 1989–Mar 1991 24-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1990	1913
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1990	2015
	Ties: 1940, 1959, 1987, 1988, 1990
Apr 1988–Mar 1991 36-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	93rd Coolest	Coolest since: 1989	1913, 1917
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	33rd Warmest	Warmest since: 1990	2016
	Ties: 1940, 1989, 1999, 2013
Apr 1987–Mar 1991 48-Month	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1990	1913
	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	27th Warmest	Warmest since: 1989	2018
	Ties: 1941, 1961, 1962, 1989, 2000, 2012
Apr 1986–Mar 1991 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, 1917
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1990	2018
	Ties: 1989, 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings