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 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1999 1-Month	67.8°F (19.9°C)	68.2°F (20.1°C)	-0.4°F (-0.2°C)	47th Coolest	Coolest since: 1998	1923
June 1999 1-Month	67.8°F (19.9°C)	68.2°F (20.1°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest since: 1997	2021
May–Jun 1999 2-Month	64.1°F (17.8°C)	64.5°F (18.1°C)	-0.4°F (-0.3°C)	44th Coolest	Coolest since: 1998	1953
	64.1°F (17.8°C)	64.5°F (18.1°C)	-0.4°F (-0.3°C)	85th Warmest	Warmest since: 1997	2001
	Ties: 1914, 1941, 1982, 2005
Apr–Jun 1999 3-Month	59.8°F (15.4°C)	61.0°F (16.1°C)	-1.2°F (-0.7°C)	33rd Coolest	Coolest since: 1998	1967, 1998
	59.8°F (15.4°C)	61.0°F (16.1°C)	-1.2°F (-0.7°C)	96th Warmest	Warmest since: 1997	2021
	Ties: 1929, 1941
Mar–Jun 1999 4-Month	56.8°F (13.8°C)	58.0°F (14.4°C)	-1.2°F (-0.6°C)	32nd Coolest	Coolest since: 1998	1917
	56.8°F (13.8°C)	58.0°F (14.4°C)	-1.2°F (-0.6°C)	97th Warmest	Warmest since: 1997	2015
	Ties: 1909, 1982, 1983
Feb–Jun 1999 5-Month	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	28th Coolest	Coolest since: 1998	1917
	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 1997	2015
	Ties: 1899, 1906
Jan–Jun 1999 6-Month	52.8°F (11.6°C)	53.2°F (11.8°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1998	1917
	52.8°F (11.6°C)	53.2°F (11.8°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1997	2015
	Ties: 1916, 1956, 1991
Dec 1998–Jun 1999 7-Month	51.3°F (10.7°C)	51.8°F (11.0°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 1998	1917
	51.3°F (10.7°C)	51.8°F (11.0°C)	-0.5°F (-0.3°C)	87th Warmest	Warmest since: 1997	2015
	Ties: 1901, 1973
Nov 1998–Jun 1999 8-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	43rd Coolest	Coolest since: 1998	1917
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	85th Warmest	Warmest since: 1997	2015
	Ties: 1916
Oct 1998–Jun 1999 9-Month	51.7°F (10.9°C)	52.4°F (11.3°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1998	1917
	51.7°F (10.9°C)	52.4°F (11.3°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1997	2015
	Ties: 1908, 1945, 1953, 1967
Sep 1998–Jun 1999 10-Month	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1998	1917
	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1997	2015
	Ties: 1897, 1902, 1910, 1916, 1945, 1979
Aug 1998–Jun 1999 11-Month	55.6°F (13.1°C)	55.8°F (13.2°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1998	1917
	55.6°F (13.1°C)	55.8°F (13.2°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1997	2015
	Ties: 1950, 1958, 1995
Jul 1998–Jun 1999 12-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1998	1917
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1997	2015
	Ties: 1956, 1957, 1974, 1977, 1995
Jan 1998–Jun 1999 18-Month	55.4°F (13.0°C)	56.0°F (13.3°C)	-0.6°F (-0.3°C)	26th Coolest	Coolest since: 1983	1917
	55.4°F (13.0°C)	56.0°F (13.3°C)	-0.6°F (-0.3°C)	102nd Warmest	Warmest since: 1998	2015
	Ties: 1899, 1916, 1919, 1942
Jul 1997–Jun 1999 24-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	38th Coolest	Coolest since: 1983	1913
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 1998	2015
	Ties: 1906, 1924, 1943, 1946, 1972, 1973, 1983
Jul 1996–Jun 1999 36-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	87th Coolest	Coolest since: 1995	1913, 1917
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	39th Warmest	Warmest since: 1998	2016
	Ties: 1959, 1981, 1991, 2012
Jul 1995–Jun 1999 48-Month	58.5°F (14.7°C)	57.4°F (14.1°C)	1.1°F (0.6°C)	107th Coolest	Coolest since: 1998	1913
	58.5°F (14.7°C)	57.4°F (14.1°C)	1.1°F (0.6°C)	18th Warmest	Warmest since: 1998	2016
	Ties: 1992, 1998, 2002, 2008, 2013
Jul 1994–Jun 1999 60-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1995	1913, 1917
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1998	2018
	Ties: 1988, 1989, 1995, 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings