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, June 1930

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1930 1-Month	69.0°F (20.6°C)	68.2°F (20.1°C)	0.8°F (0.5°C)	73rd Coolest	Coolest since: 1929	1923
	69.0°F (20.6°C)	68.2°F (20.1°C)	0.8°F (0.5°C)	56th Warmest	Warmest since: 1926	2021
	Ties: 1978, 1992
May–Jun 1930 2-Month	62.8°F (17.1°C)	64.5°F (18.1°C)	-1.7°F (-1.0°C)	23rd Coolest	Coolest since: 1923	1953
	62.8°F (17.1°C)	64.5°F (18.1°C)	-1.7°F (-1.0°C)	106th Warmest	Warmest since: 1929	2001
	Ties: 1948
Apr–Jun 1930 3-Month	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1929	1967, 1998
	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1928	2021
	Ties: 1952, 1976
Mar–Jun 1930 4-Month	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1929	1917
	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1928	2015
	Ties: 1937
Feb–Jun 1930 5-Month	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	78th Coolest	Coolest since: 1929	1917
	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	51st Warmest	Warmest since: 1928	2015
	Ties: 1914
Jan–Jun 1930 6-Month	53.5°F (11.9°C)	53.3°F (11.8°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1929	1917
	53.5°F (11.9°C)	53.3°F (11.8°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1928	2015
	Ties: 1896
Dec 1929–Jun 1930 7-Month	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1929	1917
	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1928	2015
	Ties: 1928, 1954, 1961, 1989
Nov 1929–Jun 1930 8-Month	52.4°F (11.3°C)	51.5°F (10.8°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 1929	1917
	52.4°F (11.3°C)	51.5°F (10.8°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1928	2015
	Ties: 1936, 2008
Oct 1929–Jun 1930 9-Month	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1929	1917
	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	37th Warmest	Warmest since: 1926	2015
	Ties: 1918, 1988, 1990, 2001
Sep 1929–Jun 1930 10-Month	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	87th Coolest	Coolest since: 1929	1917
	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	41st Warmest	Warmest since: 1926	2015
	Ties: 1900, 1914, 1970, 1980
Aug 1929–Jun 1930 11-Month	56.7°F (13.7°C)	55.8°F (13.2°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1929	1917
	56.7°F (13.7°C)	55.8°F (13.2°C)	0.9°F (0.5°C)	36th Warmest	Warmest to Date	2015
	Ties: 1970
Jul 1929–Jun 1930 12-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	94th Coolest	Coolest since: 1929	1917
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	34th Warmest	Warmest since: 1918	2015
	Ties: 1954, 1961, 1970, 1994, 2001, 2008
Jan 1929–Jun 1930 18-Month	56.0°F (13.3°C)	56.0°F (13.3°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1929	1917
	56.0°F (13.3°C)	56.0°F (13.3°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1928	2015
	Ties: 1939, 1943, 1947, 1958, 1962, 1974, 1977, 2011
Jul 1928–Jun 1930 24-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1929	1913
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1928	2015
	Ties: 1900, 1958, 1963, 1967
Jul 1927–Jun 1930 36-Month	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1929	1913, 1917
	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1928	2016
	Ties: 1943, 1947, 1952, 1953, 1958
Jul 1926–Jun 1930 48-Month	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1929	1913
	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1929	2016
	Ties: 1926, 1929, 1932, 1972, 1973
Jul 1925–Jun 1930 60-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1929	1913, 1917
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	65th Warmest	Warmest since: 1928	2018
	Ties: 1928, 1931, 1964, 1971

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings