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.

Arizona

Average Temperature Rankings, September 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1939 1-Month	71.3°F (21.8°C)	72.0°F (22.2°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1936	1912
	71.3°F (21.8°C)	72.0°F (22.2°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1938	2018
	Ties: 1919, 1987
Aug–Sep 1939 2-Month	75.1°F (23.9°C)	74.9°F (23.8°C)	0.2°F (0.1°C)	57th Coolest	Coolest since: 1936	1900, 1912
	75.1°F (23.9°C)	74.9°F (23.8°C)	0.2°F (0.1°C)	72nd Warmest	Warmest since: 1938	2020
	Ties: 1928, 1934, 1982, 1984
Jul–Sep 1939 3-Month	77.0°F (25.0°C)	76.6°F (24.8°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1938	1912
	77.0°F (25.0°C)	76.6°F (24.8°C)	0.4°F (0.2°C)	56th Warmest	Warmest since: 1937	2020
	Ties: 1905, 1917, 1942
Jun–Sep 1939 4-Month	76.5°F (24.7°C)	76.0°F (24.4°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1938	1912
	76.5°F (24.7°C)	76.0°F (24.4°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1937	2020
	Ties: 1899
May–Sep 1939 5-Month	74.6°F (23.7°C)	73.8°F (23.2°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 1938	1965
	74.6°F (23.7°C)	73.8°F (23.2°C)	0.8°F (0.5°C)	44th Warmest	Warmest since: 1937	2020
	Ties: 1898, 1924
Apr–Sep 1939 6-Month	72.1°F (22.3°C)	71.0°F (21.7°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1938	1912
	72.1°F (22.3°C)	71.0°F (21.7°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1936	2020
	Ties: 1931, 1946, 1954, 1959, 1966
Mar–Sep 1939 7-Month	69.0°F (20.6°C)	67.9°F (19.9°C)	1.1°F (0.7°C)	95th Coolest	Coolest since: 1938	1912, 1965
	69.0°F (20.6°C)	67.9°F (19.9°C)	1.1°F (0.7°C)	34th Warmest	Warmest since: 1936	2018
	Ties: 1943, 1946, 1959, 1966, 2005
Feb–Sep 1939 8-Month	64.8°F (18.2°C)	65.0°F (18.3°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1935	1965
	64.8°F (18.2°C)	65.0°F (18.3°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1938	2018
	Ties: 1911, 1927
Jan–Sep 1939 9-Month	62.1°F (16.7°C)	62.3°F (16.8°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1937	1913
	62.1°F (16.7°C)	62.3°F (16.8°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1938	2018
	Ties: 1905, 1918, 1935, 1950, 1962
Dec 1938–Sep 1939 10-Month	60.2°F (15.7°C)	60.2°F (15.7°C)	0.0°F (0.0°C)	48th Coolest	Coolest since: 1937	1913
	60.2°F (15.7°C)	60.2°F (15.7°C)	0.0°F (0.0°C)	80th Warmest	Warmest since: 1938	2018
	Ties: 1898, 1935, 1966, 1970, 1987
Nov 1938–Sep 1939 11-Month	58.8°F (14.9°C)	59.2°F (15.1°C)	-0.4°F (-0.2°C)	34th Coolest	Coolest since: 1937	1912, 1913
	58.8°F (14.9°C)	59.2°F (15.1°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest since: 1938	2018
	Ties: 1909, 1921
Oct 1938–Sep 1939 12-Month	59.0°F (15.0°C)	59.4°F (15.2°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1937	1913
	59.0°F (15.0°C)	59.4°F (15.2°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1938	2018
	Ties: 1925, 1998
Apr 1938–Sep 1939 18-Month	63.1°F (17.3°C)	63.2°F (17.3°C)	-0.1°F (0.0°C)	43rd Coolest	Coolest since: 1933	1913
	63.1°F (17.3°C)	63.2°F (17.3°C)	-0.1°F (0.0°C)	85th Warmest	Warmest since: 1938	2018
	Ties: 1896, 1899, 1901, 1903, 1905, 1925, 1926, 1946, 1972
Oct 1937–Sep 1939 24-Month	59.6°F (15.3°C)	59.4°F (15.2°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1938	1913
	59.6°F (15.3°C)	59.4°F (15.2°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1936	2018
	Ties: 1958, 1985, 1999
Oct 1936–Sep 1939 36-Month	59.2°F (15.1°C)	59.3°F (15.2°C)	-0.1°F (-0.1°C)	38th Coolest	Coolest since: 1934	1914
	59.2°F (15.1°C)	59.3°F (15.2°C)	-0.1°F (-0.1°C)	88th Warmest	Warmest since: 1938	2018
	Ties: 1898, 1900, 1906, 1916, 1929, 1934, 1944, 1945, 1947, 1969, 1970, 1972
Oct 1935–Sep 1939 48-Month	59.4°F (15.2°C)	59.3°F (15.2°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1935	1915
	59.4°F (15.2°C)	59.3°F (15.2°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1938	2018
	Ties: 1910, 1928, 1953, 1969, 1979
Oct 1934–Sep 1939 60-Month	59.5°F (15.3°C)	59.3°F (15.2°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1936	1916, 1917
	59.5°F (15.3°C)	59.3°F (15.2°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1938	2018
	Ties: 1902, 1905, 1911, 1936, 1942, 1980, 1987

Citing This Page

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