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 1977

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1977 1-Month	61.2°F (16.2°C)	60.8°F (16.0°C)	0.4°F (0.2°C)	62nd Coolest	Coolest since: 1973	1912
	61.2°F (16.2°C)	60.8°F (16.0°C)	0.4°F (0.2°C)	67th Warmest	Warmest since: 1976	2022
	Ties: 1939, 1980, 1993
Aug–Sep 1977 2-Month	65.7°F (18.7°C)	65.1°F (18.4°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 1976	1900
	65.7°F (18.7°C)	65.1°F (18.4°C)	0.6°F (0.3°C)	57th Warmest	Warmest since: 1969	2020
	Ties: 1996
Jul–Sep 1977 3-Month	67.6°F (19.8°C)	67.2°F (19.6°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1976	1912
	67.6°F (19.8°C)	67.2°F (19.6°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1969	2022
	Ties: 1929, 1936, 1951, 1997
Jun–Sep 1977 4-Month	67.7°F (19.8°C)	66.3°F (19.1°C)	1.4°F (0.7°C)	100th Coolest	Coolest since: 1976	1907
	67.7°F (19.8°C)	66.3°F (19.1°C)	1.4°F (0.7°C)	29th Warmest	Warmest since: 1960	2021
	Ties: 1935
May–Sep 1977 5-Month	63.9°F (17.7°C)	63.8°F (17.7°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1976	1907, 1965
	63.9°F (17.7°C)	63.8°F (17.7°C)	0.1°F (0.0°C)	74th Warmest	Warmest since: 1974	2021
	Ties: 1929, 1949, 1951, 2011
Apr–Sep 1977 6-Month	61.4°F (16.3°C)	60.9°F (16.1°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1976	1912
	61.4°F (16.3°C)	60.9°F (16.1°C)	0.5°F (0.2°C)	52nd Warmest	Warmest since: 1974	2021
	Ties: 1897, 1935, 1952, 1959, 1979
Mar–Sep 1977 7-Month	57.5°F (14.2°C)	57.6°F (14.2°C)	-0.1°F (0.0°C)	57th Coolest	Coolest since: 1976	1912
	57.5°F (14.2°C)	57.6°F (14.2°C)	-0.1°F (0.0°C)	72nd Warmest	Warmest since: 1974	1934, 2007, 2021
	Ties: 1932, 1951, 2011
Feb–Sep 1977 8-Month	54.7°F (12.6°C)	54.5°F (12.5°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1976	1903
	54.7°F (12.6°C)	54.5°F (12.5°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1974	1934, 2015
	Ties: 1900, 1939, 1957, 1969, 1979, 2019
Jan–Sep 1977 9-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1976	1917
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	72nd Warmest	Warmest since: 1974	2015
	Ties: 1930, 1970
Dec 1976–Sep 1977 10-Month	49.5°F (9.7°C)	49.4°F (9.7°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1976	1917
	49.5°F (9.7°C)	49.4°F (9.7°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1976	2015
	Ties: 1946, 1976, 2008
Nov 1976–Sep 1977 11-Month	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1976	1917
	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1974	2015
	Ties: 1919, 1927, 1969, 1999
Oct 1976–Sep 1977 12-Month	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1976	1917
	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1974	2015
	Ties: 1902, 1921, 1931
Apr 1976–Sep 1977 18-Month	52.5°F (11.4°C)	52.5°F (11.4°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1976	1917
	52.5°F (11.4°C)	52.5°F (11.4°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1974	2015
	Ties: 1905
Oct 1975–Sep 1977 24-Month	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1976	1913
	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1970	2016
	Ties: 1952, 1958, 1962, 1966
Oct 1974–Sep 1977 36-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	32nd Coolest	Coolest since: 1975	1917
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest since: 1976	2017
	Ties: 1901, 1923, 1944, 1945, 1966, 1984
Oct 1973–Sep 1977 48-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1976	1915
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1972	2018
	Ties: 1926, 1957, 1964, 1966, 1972
Oct 1972–Sep 1977 60-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1976	1917
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1974	2018
	Ties: 1908, 1923, 1925, 1946

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings