Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Great Basin

Average Temperature Rankings, September 1930

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1930 1-Month	59.6°F (15.3°C)	60.8°F (16.0°C)	-1.2°F (-0.7°C)	31st Coolest	Coolest since: 1929	1912
	59.6°F (15.3°C)	60.8°F (16.0°C)	-1.2°F (-0.7°C)	98th Warmest	Warmest since: 1928	2022
	Ties: 1936, 1968
Aug–Sep 1930 2-Month	64.4°F (18.0°C)	65.2°F (18.4°C)	-0.8°F (-0.4°C)	31st Coolest	Coolest since: 1927	1900
	64.4°F (18.0°C)	65.2°F (18.4°C)	-0.8°F (-0.4°C)	98th Warmest	Warmest since: 1929	2020
	Ties: 1920, 1973, 1975, 1993
Jul–Sep 1930 3-Month	66.9°F (19.4°C)	67.2°F (19.6°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1927	1912
	66.9°F (19.4°C)	67.2°F (19.6°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1929	2022
	Ties: 1901, 1914, 1954, 1957
Jun–Sep 1930 4-Month	66.3°F (19.1°C)	66.2°F (19.0°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1929	1907
	66.3°F (19.1°C)	66.2°F (19.0°C)	0.1°F (0.1°C)	73rd Warmest	Warmest since: 1926	2021
	Ties: 1949, 1972, 1984
May–Sep 1930 5-Month	63.1°F (17.3°C)	63.8°F (17.7°C)	-0.7°F (-0.4°C)	29th Coolest	Coolest since: 1923	1907, 1965
	63.1°F (17.3°C)	63.8°F (17.7°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1929	2021
	Ties: 1902
Apr–Sep 1930 6-Month	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1929	1912
	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1928	2021
	Ties: 1947, 1972, 1986
Mar–Sep 1930 7-Month	57.9°F (14.4°C)	57.6°F (14.2°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1929	1912
	57.9°F (14.4°C)	57.6°F (14.2°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1928	1934, 2007, 2021
	Ties: 1925
Feb–Sep 1930 8-Month	55.4°F (13.0°C)	54.5°F (12.5°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1929	1903
	55.4°F (13.0°C)	54.5°F (12.5°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1928	1934, 2015
	Ties: 1928, 1954, 1961, 1974
Jan–Sep 1930 9-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1929	1917
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	72nd Warmest	Warmest since: 1928	2015
	Ties: 1970, 1977
Dec 1929–Sep 1930 10-Month	50.2°F (10.1°C)	49.4°F (9.7°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1929	1917
	50.2°F (10.1°C)	49.4°F (9.7°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1926	2015
	Ties: 1951, 1974
Nov 1929–Sep 1930 11-Month	48.9°F (9.4°C)	48.3°F (9.1°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1929	1917
	48.9°F (9.4°C)	48.3°F (9.1°C)	0.6°F (0.3°C)	48th Warmest	Warmest since: 1928	2015
	Ties: 1921, 1988
Oct 1929–Sep 1930 12-Month	49.1°F (9.5°C)	48.4°F (9.1°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1929	1917
	49.1°F (9.5°C)	48.4°F (9.1°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1928	2015
	Ties: 1936, 1960, 1963, 1974
Apr 1929–Sep 1930 18-Month	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1929	1917
	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	64th Warmest	Warmest since: 1928	2015
	Ties: 1931, 1993
Oct 1928–Sep 1930 24-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	37th Coolest	Coolest since: 1925	1913
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	90th Warmest	Warmest since: 1929	2016
	Ties: 1909, 1910, 1925, 1946, 1964, 1971, 1975
Oct 1927–Sep 1930 36-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1929	1917
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1928	2017
	Ties: 1934, 1937, 1938, 1954, 1967, 1970
Oct 1926–Sep 1930 48-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1926	1915
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1929	2018
	Ties: 1921, 1934, 1956, 1979, 1987
Oct 1925–Sep 1930 60-Month	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1929	1917
	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	46th Warmest	Warmest since: 1928	2018
	Ties: 1928, 1936, 1941, 1984, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings