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, June 1978

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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
June 1978 1-Month	69.0°F (20.6°C)	68.3°F (20.2°C)	0.7°F (0.4°C)	73rd Coolest	Coolest since: 1976	1923
	69.0°F (20.6°C)	68.3°F (20.2°C)	0.7°F (0.4°C)	56th Warmest	Warmest since: 1977	2021
	Ties: 1930, 1992
May–Jun 1978 2-Month	65.1°F (18.4°C)	64.5°F (18.1°C)	0.6°F (0.3°C)	63rd Coolest	Coolest since: 1977	1953
	65.1°F (18.4°C)	64.5°F (18.1°C)	0.6°F (0.3°C)	66th Warmest	Warmest since: 1976	2001
	Ties: 1925, 1949, 1957, 1993
Apr–Jun 1978 3-Month	60.5°F (15.8°C)	61.0°F (16.1°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1975	1967, 1998
	60.5°F (15.8°C)	61.0°F (16.1°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1977	2021
	Ties: 1909
Mar–Jun 1978 4-Month	58.6°F (14.8°C)	58.0°F (14.4°C)	0.6°F (0.4°C)	77th Coolest	Coolest since: 1977	1917
	58.6°F (14.8°C)	58.0°F (14.4°C)	0.6°F (0.4°C)	52nd Warmest	Warmest since: 1972	2015
	Ties: 1961
Feb–Jun 1978 5-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1977	1917
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1972	2015
	Ties: 2003
Jan–Jun 1978 6-Month	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1977	1917
	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	38th Warmest	Warmest since: 1972	2015
	Ties: 1924, 1961, 1988, 1989
Dec 1977–Jun 1978 7-Month	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 1977	1917
	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	26th Warmest	Warmest since: 1959	2015
	Ties: 1931, 2012
Nov 1977–Jun 1978 8-Month	53.1°F (11.7°C)	51.5°F (10.8°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 1977	1917
Nov 1977–Jun 1978 8-Month	53.1°F (11.7°C)	51.5°F (10.8°C)	1.6°F (0.9°C)	26th Warmest	Warmest since: 1959	2015
Oct 1977–Jun 1978 9-Month	54.0°F (12.2°C)	52.4°F (11.3°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1977	1917
	54.0°F (12.2°C)	52.4°F (11.3°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1959	2015
	Ties: 1984, 2002, 2003, 2006
Sep 1977–Jun 1978 10-Month	55.4°F (13.0°C)	54.0°F (12.2°C)	1.4°F (0.8°C)	103rd Coolest	Coolest since: 1977	1917
Sep 1977–Jun 1978 10-Month	55.4°F (13.0°C)	54.0°F (12.2°C)	1.4°F (0.8°C)	25th Warmest	Warmest since: 1959	2015
Aug 1977–Jun 1978 11-Month	57.2°F (14.0°C)	55.8°F (13.2°C)	1.4°F (0.8°C)	102nd Coolest	Coolest since: 1977	1917
	57.2°F (14.0°C)	55.8°F (13.2°C)	1.4°F (0.8°C)	26th Warmest	Warmest since: 1968	2015
	Ties: 2019
Jul 1977–Jun 1978 12-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1977	1917
Jul 1977–Jun 1978 12-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	28th Warmest	Warmest since: 1968	2015
Jan 1977–Jun 1978 18-Month	56.8°F (13.8°C)	56.0°F (13.3°C)	0.8°F (0.5°C)	89th Coolest	Coolest since: 1977	1917
	56.8°F (13.8°C)	56.0°F (13.3°C)	0.8°F (0.5°C)	39th Warmest	Warmest since: 1961	2015
	Ties: 1934, 1961, 1990, 1994
Jul 1976–Jun 1978 24-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1977	1913
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1961	2015
	Ties: 1934
Jul 1975–Jun 1978 36-Month	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1977	1913, 1917
	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1970	2016
	Ties: 1928, 1968, 1985
Jul 1974–Jun 1978 48-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1977	1913
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1971	2016
	Ties: 1927, 1928, 1931, 1954, 1969, 1979
Jul 1973–Jun 1978 60-Month	57.4°F (14.1°C)	57.3°F (14.1°C)	0.1°F (0.0°C)	53rd Coolest	Coolest since: 1977	1913, 1917
	57.4°F (14.1°C)	57.3°F (14.1°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1972	2018
	Ties: 1954, 1959, 1968, 1969, 1979

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings