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 1925

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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 1925 1-Month	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	73rd Coolest	Coolest since: 1923	1977
	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	56th Warmest	Warmest since: 1924	2001
	Ties: 1989, 2002
Apr–May 1925 2-Month	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1923	1967
	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1924	1992
	Ties: 1898, 1988
Mar–May 1925 3-Month	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1923	1917
	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	52nd Warmest	Warmest since: 1924	1934
	Ties: 1946, 1978, 1979
Feb–May 1925 4-Month	53.2°F (11.8°C)	52.2°F (11.2°C)	1.0°F (0.6°C)	84th Coolest	Coolest since: 1923	1917
	53.2°F (11.8°C)	52.2°F (11.2°C)	1.0°F (0.6°C)	45th Warmest	Warmest since: 1924	1934
	Ties: 1900, 1990
Jan–May 1925 5-Month	51.1°F (10.6°C)	50.2°F (10.1°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 1923	1917
	51.1°F (10.6°C)	50.2°F (10.1°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1924	2015
	Ties: 1990, 1993
Dec 1924–May 1925 6-Month	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1923	1917
	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1924	2015
	Ties: 1963, 1972, 1993
Nov 1924–May 1925 7-Month	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1923	1917
	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1924	2015
	Ties: 1904, 1927, 1939, 1950, 1961
Oct 1924–May 1925 8-Month	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	43rd Coolest	Coolest since: 1923	1917
	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1924	2015
	Ties: 1897, 1902, 1908, 1910, 1935, 1957, 1974, 1991
Sep 1924–May 1925 9-Month	52.1°F (11.2°C)	52.4°F (11.3°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1923	1917
	52.1°F (11.2°C)	52.4°F (11.3°C)	-0.3°F (-0.1°C)	82nd Warmest	Warmest since: 1924	2015
	Ties: 1944
Aug 1924–May 1925 10-Month	54.2°F (12.3°C)	54.6°F (12.6°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1923	1917
	54.2°F (12.3°C)	54.6°F (12.6°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1924	2015
	Ties: 1957, 1974, 1977
Jul 1924–May 1925 11-Month	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1922	1917
	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	92nd Warmest	Warmest since: 1924	2015
	Ties: 1944, 1971
Jun 1924–May 1925 12-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1924	1917
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 1924	2015
	Ties: 1923, 1924, 1956, 1957, 1966, 1967, 1977, 1998, 1999
Dec 1923–May 1925 18-Month	54.6°F (12.6°C)	54.6°F (12.6°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1924	1917
	54.6°F (12.6°C)	54.6°F (12.6°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1905	2015
	Ties: 1928, 1944, 1958, 1962, 2011
Jun 1923–May 1925 24-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1924	1913, 1917
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	91st Warmest	Warmest since: 1924	2015
	Ties: 1924, 1930, 1942, 1957, 1964, 1967, 1972, 1975, 1976, 1977, 1999
Jun 1922–May 1925 36-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	38th Coolest	Coolest since: 1924	1913, 1917
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1920	2016
	Ties: 1916, 1920, 1945, 1964, 1965, 1976, 1977
Jun 1921–May 1925 48-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	26th Coolest	Coolest since: 1924	1913
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	99th Warmest	Warmest since: 1908	2016, 2017, 2018
	Ties: 1905, 1906, 1948, 1955, 1958
Jun 1920–May 1925 60-Month	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	16th Coolest	Coolest since: 1924	1913, 1917
	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	108th Warmest	Warmest since: 1922	2018
	Ties: 1903, 1922, 1950, 1952

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