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.

California River Basin

Average Temperature Rankings, March 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
March 1931 1-Month	51.3°F (10.7°C)	48.8°F (9.3°C)	2.5°F (1.4°C)	100th Coolest	Coolest since: 1930	1897
	51.3°F (10.7°C)	48.8°F (9.3°C)	2.5°F (1.4°C)	30th Warmest	Warmest since: 1928	1934
	Ties: 1916, 1947, 1990
Feb–Mar 1931 2-Month	49.2°F (9.6°C)	47.1°F (8.4°C)	2.1°F (1.2°C)	105th Coolest	Coolest since: 1929	1903
	49.2°F (9.6°C)	47.1°F (8.4°C)	2.1°F (1.2°C)	25th Warmest	Warmest since: 1930	2015
	Ties: 1940
Jan–Mar 1931 3-Month	47.3°F (8.5°C)	45.5°F (7.5°C)	1.8°F (1.0°C)	97th Coolest	Coolest since: 1930	1949
	47.3°F (8.5°C)	45.5°F (7.5°C)	1.8°F (1.0°C)	33rd Warmest	Warmest since: 1926	2015
	Ties: 1980, 2012
Dec 1930–Mar 1931 4-Month	45.8°F (7.7°C)	44.9°F (7.2°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1929	1949
	45.8°F (7.7°C)	44.9°F (7.2°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1930	2015
	Ties: 1896, 1951, 2011
Nov 1930–Mar 1931 5-Month	46.7°F (8.2°C)	45.8°F (7.7°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1929	1949
	46.7°F (8.2°C)	45.8°F (7.7°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1930	2015
	Ties: 1928, 1990, 2002, 2010
Oct 1930–Mar 1931 6-Month	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1929	1917
	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1930	2015
	Ties: 1896, 1954, 1987, 2010
Sep 1930–Mar 1931 7-Month	50.9°F (10.5°C)	51.0°F (10.6°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1929	1917
	50.9°F (10.5°C)	51.0°F (10.6°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1930	2015
	Ties: 1904, 1924, 1926, 1975
Aug 1930–Mar 1931 8-Month	53.7°F (12.1°C)	53.8°F (12.1°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1929	1917
	53.7°F (12.1°C)	53.8°F (12.1°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1930	2015
	Ties: 1896, 1904, 1906, 1916, 1975
Jul 1930–Mar 1931 9-Month	56.1°F (13.4°C)	56.2°F (13.4°C)	-0.1°F (0.0°C)	55th Coolest	Coolest since: 1929	1917
	56.1°F (13.4°C)	56.2°F (13.4°C)	-0.1°F (0.0°C)	74th Warmest	Warmest since: 1930	2015
	Ties: 1902, 1956, 1971, 1976, 1977
Jun 1930–Mar 1931 10-Month	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1929	1917
	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1930	2015
	Ties: 1928, 1974, 1999
May 1930–Mar 1931 11-Month	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1929	1917
	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1930	2015
	Ties: 1901, 1904, 1944, 1954
Apr 1930–Mar 1931 12-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1929	1917
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1930	2015
	Ties: 1899, 1928, 1939, 1957
Oct 1929–Mar 1931 18-Month	54.8°F (12.7°C)	54.3°F (12.4°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1930	1949
	54.8°F (12.7°C)	54.3°F (12.4°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1927	2015
	Ties: 1951, 1994, 2000, 2012
Apr 1929–Mar 1931 24-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1930	1913
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1928	2015
	Ties: 1934, 1938, 1939, 1963, 1985, 1999, 2000, 2012
Apr 1928–Mar 1931 36-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1930	1913, 1917
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1930	2016
	Ties: 1906, 1907, 1930, 1967, 1976
Apr 1927–Mar 1931 48-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1926	1913
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1930	2018
	Ties: 1933, 1969, 1972, 1977, 1979
Apr 1926–Mar 1931 60-Month	57.5°F (14.2°C)	57.3°F (14.1°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1930	1913, 1917
	57.5°F (14.2°C)	57.3°F (14.1°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1930	2018
	Ties: 1930, 1970

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings