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 1918

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1918 1-Month	72.7°F (22.6°C)	72.0°F (22.2°C)	0.7°F (0.4°C)	74th Coolest	Coolest since: 1917	1912
	72.7°F (22.6°C)	72.0°F (22.2°C)	0.7°F (0.4°C)	55th Warmest	Warmest since: 1914	2018
	Ties: 1905, 1911, 1945
Aug–Sep 1918 2-Month	74.0°F (23.3°C)	74.9°F (23.8°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1916	1900, 1912
	74.0°F (23.3°C)	74.9°F (23.8°C)	-0.9°F (-0.5°C)	103rd Warmest	Warmest since: 1917	2020
	Ties: 1971
Jul–Sep 1918 3-Month	75.4°F (24.1°C)	76.5°F (24.7°C)	-1.1°F (-0.6°C)	15th Coolest	Coolest since: 1916	1912
	75.4°F (24.1°C)	76.5°F (24.7°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1917	2020
	Ties: 1906
Jun–Sep 1918 4-Month	76.3°F (24.6°C)	76.0°F (24.4°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1916	1912
	76.3°F (24.6°C)	76.0°F (24.4°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1917	2020
	Ties: 1896, 1952, 1961
May–Sep 1918 5-Month	73.4°F (23.0°C)	73.8°F (23.2°C)	-0.4°F (-0.2°C)	34th Coolest	Coolest since: 1917	1965
	73.4°F (23.0°C)	73.8°F (23.2°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1914	2020
	Ties: 1904, 1945
Apr–Sep 1918 6-Month	70.5°F (21.4°C)	70.9°F (21.6°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1917	1912
	70.5°F (21.4°C)	70.9°F (21.6°C)	-0.4°F (-0.2°C)	93rd Warmest	Warmest since: 1914	2020
	Ties: 1895, 1927, 1929, 1930, 1935, 1998
Mar–Sep 1918 7-Month	67.8°F (19.9°C)	67.9°F (19.9°C)	-0.1°F (0.0°C)	50th Coolest	Coolest since: 1917	1912, 1965
	67.8°F (19.9°C)	67.9°F (19.9°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1914	2018
	Ties: 1903, 1999
Feb–Sep 1918 8-Month	65.0°F (18.3°C)	65.0°F (18.3°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1917	1965
	65.0°F (18.3°C)	65.0°F (18.3°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1916	2018
	Ties: 1930, 1932, 1938, 1956, 1962, 1980, 1987
Jan–Sep 1918 9-Month	62.1°F (16.7°C)	62.3°F (16.8°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1917	1913
	62.1°F (16.7°C)	62.3°F (16.8°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1916	2018
	Ties: 1905, 1935, 1939, 1950, 1962
Dec 1917–Sep 1918 10-Month	60.4°F (15.8°C)	60.2°F (15.7°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1917	1913
	60.4°F (15.8°C)	60.2°F (15.7°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1916	2018
	Ties: 1916, 1926, 1928, 1988
Nov 1917–Sep 1918 11-Month	59.7°F (15.4°C)	59.2°F (15.1°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1917	1912, 1913
	59.7°F (15.4°C)	59.2°F (15.1°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1914	2018
	Ties: 1928, 1974
Oct 1917–Sep 1918 12-Month	59.9°F (15.5°C)	59.3°F (15.2°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1917	1913
	59.9°F (15.5°C)	59.3°F (15.2°C)	0.6°F (0.3°C)	48th Warmest	Warmest since: 1911	2018
	Ties: 1904, 1960, 1966, 2010
Apr 1917–Sep 1918 18-Month	63.2°F (17.3°C)	63.2°F (17.3°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1917	1913
	63.2°F (17.3°C)	63.2°F (17.3°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1911	2018
	Ties: 1937, 1950, 1958, 1987, 1991
Oct 1916–Sep 1918 24-Month	58.5°F (14.7°C)	59.3°F (15.2°C)	-0.8°F (-0.5°C)	12th Coolest	Coolest since: 1917	1913
	58.5°F (14.7°C)	59.3°F (15.2°C)	-0.8°F (-0.5°C)	115th Warmest	Warmest since: 1916	2018
	Ties: 1942, 1950, 1973
Oct 1915–Sep 1918 36-Month	58.9°F (14.9°C)	59.4°F (15.2°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1917	1914
	58.9°F (14.9°C)	59.4°F (15.2°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest since: 1916	2018
	Ties: 1899, 1926, 1931, 1932, 1964, 1976
Oct 1914–Sep 1918 48-Month	58.7°F (14.8°C)	59.3°F (15.2°C)	-0.6°F (-0.4°C)	10th Coolest	Coolest since: 1917	1915
	58.7°F (14.8°C)	59.3°F (15.2°C)	-0.6°F (-0.4°C)	115th Warmest	Warmest since: 1917	2018
	Ties: 1917, 1919, 1921, 1924, 1932, 1950, 1965, 1973, 1975
Oct 1913–Sep 1918 60-Month	58.9°F (14.9°C)	59.3°F (15.2°C)	-0.4°F (-0.3°C)	20th Coolest	Coolest since: 1917	1916, 1917
	58.9°F (14.9°C)	59.3°F (15.2°C)	-0.4°F (-0.3°C)	104th Warmest	Warmest since: 1912	2018
	Ties: 1926, 1927, 1945, 1950, 1952, 1965, 1966, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings