Regional Rankings

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Month:

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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, May 2002

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2002 1-Month	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	73rd Coolest	Coolest since: 1999	1977
	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	56th Warmest	Warmest since: 2001	2001
	Ties: 1925, 1989
Apr–May 2002 2-Month	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	88th Coolest	Coolest since: 1999	1967
	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	41st Warmest	Warmest since: 2001	1992
	Ties: 1952, 1993, 2006, 2015
Mar–May 2002 3-Month	55.3°F (12.9°C)	54.5°F (12.5°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 1999	1917
	55.3°F (12.9°C)	54.5°F (12.5°C)	0.8°F (0.4°C)	46th Warmest	Warmest since: 2001	1934
	Ties: 1900, 1985
Feb–May 2002 4-Month	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	91st Coolest	Coolest since: 1999	1917
	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	38th Warmest	Warmest since: 2001	1934
	Ties: 1993
Jan–May 2002 5-Month	51.3°F (10.7°C)	50.2°F (10.1°C)	1.1°F (0.6°C)	87th Coolest	Coolest since: 1999	1917
	51.3°F (10.7°C)	50.2°F (10.1°C)	1.1°F (0.6°C)	42nd Warmest	Warmest since: 2001	2015
	Ties: 1924, 1968
Dec 2001–May 2002 6-Month	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 1999	1917
	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	45th Warmest	Warmest since: 2001	2015
	Ties: 1951, 1988, 1989
Nov 2001–May 2002 7-Month	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	88th Coolest	Coolest since: 1999	1917
	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	40th Warmest	Warmest since: 2001	2015
	Ties: 1914, 1930, 1941
Oct 2001–May 2002 8-Month	51.8°F (11.0°C)	50.4°F (10.2°C)	1.4°F (0.8°C)	103rd Coolest	Coolest since: 2001	1917
	51.8°F (11.0°C)	50.4°F (10.2°C)	1.4°F (0.8°C)	25th Warmest	Warmest since: 2000	2015
	Ties: 1931, 1951, 1987
Sep 2001–May 2002 9-Month	54.0°F (12.2°C)	52.4°F (11.3°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 2001	1917
	54.0°F (12.2°C)	52.4°F (11.3°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 2000	2015
	Ties: 2003, 2012
Aug 2001–May 2002 10-Month	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	108th Coolest	Coolest since: 2001	1917
	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	20th Warmest	Warmest since: 2000	2015
	Ties: 1984
Jul 2001–May 2002 11-Month	57.8°F (14.3°C)	56.4°F (13.6°C)	1.4°F (0.7°C)	104th Coolest	Coolest since: 2001	1917
	57.8°F (14.3°C)	56.4°F (13.6°C)	1.4°F (0.7°C)	24th Warmest	Warmest since: 2000	2015
	Ties: 2012
Jun 2001–May 2002 12-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	106th Coolest	Coolest since: 2001	1917
Jun 2001–May 2002 12-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	22nd Warmest	Warmest since: 2000	2015
Dec 2000–May 2002 18-Month	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	113th Coolest	Coolest since: 2001	1917
	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	14th Warmest	Warmest since: 1997	2015
	Ties: 1993
Jun 2000–May 2002 24-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 2000	1913, 1917
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 2001	2015
	Ties: 1992
Jun 1999–May 2002 36-Month	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	111th Coolest	Coolest since: 2001	1913, 1917
	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	15th Warmest	Warmest since: 1998	2016
	Ties: 2003, 2006
Jun 1998–May 2002 48-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	104th Coolest	Coolest since: 2001	1913
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	21st Warmest	Warmest since: 1999	2016, 2017, 2018
	Ties: 1989, 1995, 1996, 1999, 2012, 2013
Jun 1997–May 2002 60-Month	58.1°F (14.5°C)	57.3°F (14.1°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1991	1913, 1917
	58.1°F (14.5°C)	57.3°F (14.1°C)	0.8°F (0.4°C)	34th Warmest	Warmest since: 2001	2018
	Ties: 1961, 1962, 1963, 1982, 1991

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings