Regional Rankings

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Month:

Region:

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 1902

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1902 1-Month	58.2°F (14.6°C)	60.7°F (15.9°C)	-2.5°F (-1.3°C)	22nd Coolest	Coolest since: 1899	1977
	58.2°F (14.6°C)	60.7°F (15.9°C)	-2.5°F (-1.3°C)	107th Warmest	Warmest since: 1901	2001
	Ties: 1948, 1964, 1980
Apr–May 1902 2-Month	55.4°F (13.0°C)	57.4°F (14.1°C)	-2.0°F (-1.1°C)	19th Coolest	Coolest since: 1896	1967
	55.4°F (13.0°C)	57.4°F (14.1°C)	-2.0°F (-1.1°C)	110th Warmest	Warmest since: 1901	1992
	Ties: 1964
Mar–May 1902 3-Month	52.1°F (11.2°C)	54.5°F (12.5°C)	-2.4°F (-1.3°C)	8th Coolest	Coolest to Date	1917
	52.1°F (11.2°C)	54.5°F (12.5°C)	-2.4°F (-1.3°C)	121st Warmest	Warmest since: 1901	1934
	Ties: 1922, 1953
Feb–May 1902 4-Month	50.6°F (10.3°C)	52.2°F (11.2°C)	-1.6°F (-0.9°C)	17th Coolest	Coolest to Date	1917
	50.6°F (10.3°C)	52.2°F (11.2°C)	-1.6°F (-0.9°C)	112th Warmest	Warmest since: 1901	1934
	Ties: 1909, 1971
Jan–May 1902 5-Month	48.8°F (9.3°C)	50.2°F (10.1°C)	-1.4°F (-0.8°C)	15th Coolest	Coolest to Date	1917
	48.8°F (9.3°C)	50.2°F (10.1°C)	-1.4°F (-0.8°C)	114th Warmest	Warmest since: 1901	2015
	Ties: 1942, 1952, 1967
Dec 1901–May 1902 6-Month	48.0°F (8.9°C)	49.1°F (9.5°C)	-1.1°F (-0.6°C)	22nd Coolest	Coolest since: 1898	1917
	48.0°F (8.9°C)	49.1°F (9.5°C)	-1.1°F (-0.6°C)	106th Warmest	Warmest since: 1901	2015
	Ties: 1919, 1942, 1962, 1967, 1973, 1979
Nov 1901–May 1902 7-Month	48.6°F (9.2°C)	49.1°F (9.5°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1899	1917
	48.6°F (9.2°C)	49.1°F (9.5°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1901	2015
	Ties: 1897, 1983, 1999
Oct 1901–May 1902 8-Month	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	43rd Coolest	Coolest since: 1899	1917
	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1901	2015
	Ties: 1897, 1908, 1910, 1925, 1935, 1957, 1974, 1991
Sep 1901–May 1902 9-Month	51.8°F (11.0°C)	52.4°F (11.3°C)	-0.6°F (-0.3°C)	31st Coolest	Coolest since: 1901	1917
	51.8°F (11.0°C)	52.4°F (11.3°C)	-0.6°F (-0.3°C)	97th Warmest	Warmest since: 1900	2015
	Ties: 1906, 1908, 1964, 1969
Aug 1901–May 1902 10-Month	54.1°F (12.3°C)	54.6°F (12.6°C)	-0.5°F (-0.3°C)	37th Coolest	Coolest since: 1901	1917
	54.1°F (12.3°C)	54.6°F (12.6°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1900	2015
	Ties: 1910, 1944, 1945
Jul 1901–May 1902 11-Month	56.0°F (13.3°C)	56.4°F (13.6°C)	-0.4°F (-0.3°C)	39th Coolest	Coolest since: 1901	1917
	56.0°F (13.3°C)	56.4°F (13.6°C)	-0.4°F (-0.3°C)	89th Warmest	Warmest since: 1900	2015
	Ties: 1897, 1916, 1923, 1957
Jun 1901–May 1902 12-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	32nd Coolest	Coolest since: 1901	1917
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	96th Warmest	Warmest since: 1900	2015
	Ties: 1969, 1975, 1979
Dec 1900–May 1902 18-Month	54.2°F (12.3°C)	54.6°F (12.6°C)	-0.4°F (-0.3°C)	31st Coolest	Coolest since: 1899	1917
	54.2°F (12.3°C)	54.6°F (12.6°C)	-0.4°F (-0.3°C)	96th Warmest	Warmest since: 1901	2015
	Ties: 1919, 1929, 1942, 1973, 1974
Jun 1900–May 1902 24-Month	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	23rd Coolest	Coolest since: 1899	1913, 1917
	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	104th Warmest	Warmest since: 1901	2015
	Ties: 1898, 1948, 1965
Jun 1899–May 1902 36-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1901	1913, 1917
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1901	2016
	Ties: 1901, 1944, 1948, 1955, 1956, 1974
Jun 1898–May 1902 48-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	32nd Coolest	Coolest since: 1901	1913
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	93rd Warmest	Warmest since: 1900	2016, 2017, 2018
	Ties: 1900, 1908, 1947, 1956, 1957, 1967, 1974, 1975, 1976
Jun 1897–May 1902 60-Month	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest to Date	1913, 1917
	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	103rd Warmest	Warmest since: 1901	2018
	Ties: 1904, 1905, 1909, 1948

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings