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, May 1961

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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
May 1961 1-Month	58.5°F (14.7°C)	60.7°F (15.9°C)	-2.2°F (-1.2°C)	27th Coolest	Coolest since: 1953	1977
	58.5°F (14.7°C)	60.7°F (15.9°C)	-2.2°F (-1.2°C)	102nd Warmest	Warmest since: 1960	2001
	Ties: 1909
Apr–May 1961 2-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	54th Coolest	Coolest since: 1957	1967
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	75th Warmest	Warmest since: 1960	1992
	Ties: 1956, 1974, 1976, 1982
Mar–May 1961 3-Month	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	50th Coolest	Coolest since: 1958	1917
	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	79th Warmest	Warmest since: 1960	1934
	Ties: 1905, 1915, 1958, 1970
Feb–May 1961 4-Month	52.4°F (11.3°C)	52.2°F (11.2°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1956	1917
	52.4°F (11.3°C)	52.2°F (11.2°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1960	1934
	Ties: 1904, 1963, 2006
Jan–May 1961 5-Month	50.7°F (10.4°C)	50.2°F (10.1°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1960	1917
	50.7°F (10.4°C)	50.2°F (10.1°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1959	2015
	Ties: 2008
Dec 1960–May 1961 6-Month	49.5°F (9.7°C)	49.1°F (9.5°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1960	1917
Dec 1960–May 1961 6-Month	49.5°F (9.7°C)	49.1°F (9.5°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1959	2015
Nov 1960–May 1961 7-Month	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1957	1917
	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1960	2015
	Ties: 1904, 1925, 1927, 1939, 1950
Oct 1960–May 1961 8-Month	50.5°F (10.3°C)	50.4°F (10.2°C)	0.1°F (0.1°C)	65th Coolest	Coolest since: 1958	1917
	50.5°F (10.3°C)	50.4°F (10.2°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1960	2015
	Ties: 1977
Sep 1960–May 1961 9-Month	52.8°F (11.6°C)	52.4°F (11.3°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1958	1917
	52.8°F (11.6°C)	52.4°F (11.3°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 1960	2015
	Ties: 1918, 1947
Aug 1960–May 1961 10-Month	54.9°F (12.7°C)	54.6°F (12.6°C)	0.3°F (0.1°C)	74th Coolest	Coolest since: 1958	1917
	54.9°F (12.7°C)	54.6°F (12.6°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1960	2015
	Ties: 1918, 1928, 1947
Jul 1960–May 1961 11-Month	56.9°F (13.8°C)	56.4°F (13.6°C)	0.5°F (0.2°C)	78th Coolest	Coolest since: 1958	1917
	56.9°F (13.8°C)	56.4°F (13.6°C)	0.5°F (0.2°C)	50th Warmest	Warmest since: 1960	2015
	Ties: 1936, 1941
Jun 1960–May 1961 12-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	98th Coolest	Coolest since: 1960	1917
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1960	2015
	Ties: 1943, 1951, 1960, 2001, 2006
Dec 1959–May 1961 18-Month	55.2°F (12.9°C)	54.6°F (12.6°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1958	1917
	55.2°F (12.9°C)	54.6°F (12.6°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1960	2015
	Ties: 1934
Jun 1959–May 1961 24-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1958	1913, 1917
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1960	2015
	Ties: 1990, 2006
Jun 1958–May 1961 36-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	108th Coolest	Coolest since: 1960	1913, 1917
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	18th Warmest	Warmest to Date	2016
	Ties: 1994, 2007, 2008, 2013
Jun 1957–May 1961 48-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1960	1913
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	28th Warmest	Warmest since: 1941	2016, 2017, 2018
	Ties: 1941, 1962, 1990, 1993, 1994, 2000, 2011
Jun 1956–May 1961 60-Month	58.1°F (14.5°C)	57.3°F (14.1°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1960	1913, 1917
	58.1°F (14.5°C)	57.3°F (14.1°C)	0.8°F (0.4°C)	34th Warmest	Warmest to Date	2018
	Ties: 1962, 1963, 1982, 1991, 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings