Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. 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

Average Temperature Rankings, September 1973

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1973 1-Month	67.5°F (19.7°C)	68.5°F (20.3°C)	-1.0°F (-0.6°C)	39th Coolest	Coolest since: 1972	1986
	67.5°F (19.7°C)	68.5°F (20.3°C)	-1.0°F (-0.6°C)	90th Warmest	Warmest since: 1971	2020
	Ties: 1942, 2007
Aug–Sep 1973 2-Month	70.4°F (21.3°C)	71.1°F (21.7°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1972	1900
	70.4°F (21.3°C)	71.1°F (21.7°C)	-0.7°F (-0.4°C)	97th Warmest	Warmest since: 1971	2020
	Ties: 1910, 1919, 1924, 1959, 1964
Jul–Sep 1973 3-Month	72.0°F (22.2°C)	72.3°F (22.4°C)	-0.3°F (-0.2°C)	44th Coolest	Coolest since: 1968	1900
	72.0°F (22.2°C)	72.3°F (22.4°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1972	2022
	Ties: 1897, 1904, 1919, 1955, 1957, 1963
Jun–Sep 1973 4-Month	71.7°F (22.1°C)	71.3°F (21.8°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1972	1907
	71.7°F (22.1°C)	71.3°F (21.8°C)	0.4°F (0.3°C)	58th Warmest	Warmest since: 1972	2021
	Ties: 1926, 1932, 1972, 1985
May–Sep 1973 5-Month	70.2°F (21.2°C)	69.1°F (20.6°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1972	1907
	70.2°F (21.2°C)	69.1°F (20.6°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1970	2021
	Ties: 1922, 1939, 2019
Apr–Sep 1973 6-Month	67.5°F (19.7°C)	66.6°F (19.2°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1972	1912
	67.5°F (19.7°C)	66.6°F (19.2°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1969	2021
	Ties: 1937, 1961, 1988
Mar–Sep 1973 7-Month	64.3°F (17.9°C)	64.1°F (17.8°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 1971	1912
	64.3°F (17.9°C)	64.1°F (17.8°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1972	2021
	Ties: 1924, 1943, 1946, 1957, 1968
Feb–Sep 1973 8-Month	62.0°F (16.7°C)	61.8°F (16.6°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1971	1911
	62.0°F (16.7°C)	61.8°F (16.6°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1972	2015
	Ties: 1951, 1954, 1978
Jan–Sep 1973 9-Month	59.6°F (15.3°C)	59.6°F (15.3°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1971	1903, 1911, 1917
	59.6°F (15.3°C)	59.6°F (15.3°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1972	2015
	Ties: 1896, 1900, 1904, 1925, 1957, 2011
Dec 1972–Sep 1973 10-Month	57.5°F (14.2°C)	57.9°F (14.4°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1971	1917, 1933
	57.5°F (14.2°C)	57.9°F (14.4°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1972	2015
	Ties: 1982
Nov 1972–Sep 1973 11-Month	56.5°F (13.6°C)	57.2°F (14.0°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1965	1917
	56.5°F (13.6°C)	57.2°F (14.0°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1972	2015
	Ties: 1898, 1921, 1962
Oct 1972–Sep 1973 12-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	23rd Coolest	Coolest since: 1964	1917
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1972	2015
	Ties: 1915, 1916
Apr 1972–Sep 1973 18-Month	60.1°F (15.6°C)	60.5°F (15.8°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1965	1917
	60.1°F (15.6°C)	60.5°F (15.8°C)	-0.4°F (-0.2°C)	89th Warmest	Warmest since: 1972	2015
	Ties: 1898, 1924, 1975
Oct 1971–Sep 1973 24-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	30th Coolest	Coolest since: 1965	1913, 1917, 1949
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	97th Warmest	Warmest since: 1972	2015
	Ties: 1924, 1955, 1964, 1983
Oct 1970–Sep 1973 36-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	26th Coolest	Coolest since: 1965	1913
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	100th Warmest	Warmest since: 1972	2016
	Ties: 1898, 1901, 1905, 1907, 1916, 1946, 1955, 1957, 1965, 1975
Oct 1969–Sep 1973 48-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1967	1913
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1972	2017, 2018
	Ties: 1926, 1933, 1946, 1967, 1977
Oct 1968–Sep 1973 60-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1967	1913
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1972	2018
	Ties: 1927, 1947, 1958, 1967

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings