Regional Rankings

Parameter:

Year:

Month:

Region:

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 1991

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1991 1-Month	62.5°F (16.9°C)	60.8°F (16.0°C)	1.7°F (0.9°C)	89th Coolest	Coolest since: 1989	1912
	62.5°F (16.9°C)	60.8°F (16.0°C)	1.7°F (0.9°C)	40th Warmest	Warmest since: 1990	2022
	Ties: 1951, 1966
Aug–Sep 1991 2-Month	66.6°F (19.2°C)	65.1°F (18.4°C)	1.5°F (0.8°C)	101st Coolest	Coolest since: 1989	1900
	66.6°F (19.2°C)	65.1°F (18.4°C)	1.5°F (0.8°C)	28th Warmest	Warmest since: 1990	2020
	Ties: 1922, 1943, 1960, 1966, 1997, 2007, 2017
Jul–Sep 1991 3-Month	68.6°F (20.3°C)	67.2°F (19.6°C)	1.4°F (0.7°C)	98th Coolest	Coolest since: 1989	1912
	68.6°F (20.3°C)	67.2°F (19.6°C)	1.4°F (0.7°C)	31st Warmest	Warmest since: 1990	2022
	Ties: 1953, 1996, 2010, 2016
Jun–Sep 1991 4-Month	66.9°F (19.4°C)	66.2°F (19.0°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1989	1907
	66.9°F (19.4°C)	66.2°F (19.0°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1990	2021
	Ties: 1910, 1934, 1967, 1992
May–Sep 1991 5-Month	63.6°F (17.6°C)	63.8°F (17.7°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1983	1907, 1965
	63.6°F (17.6°C)	63.8°F (17.7°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1990	2021
	Ties: 1925, 1943, 1976
Apr–Sep 1991 6-Month	60.2°F (15.7°C)	60.8°F (16.0°C)	-0.6°F (-0.3°C)	37th Coolest	Coolest since: 1983	1912
	60.2°F (15.7°C)	60.8°F (16.0°C)	-0.6°F (-0.3°C)	92nd Warmest	Warmest since: 1990	2021
	Ties: 1902, 1948, 1950, 1957, 1963, 1980
Mar–Sep 1991 7-Month	56.8°F (13.8°C)	57.6°F (14.2°C)	-0.8°F (-0.4°C)	28th Coolest	Coolest since: 1983	1912
	56.8°F (13.8°C)	57.6°F (14.2°C)	-0.8°F (-0.4°C)	101st Warmest	Warmest since: 1990	1934, 2007, 2021
	Ties: 1909, 1942, 1963, 1971, 1980
Feb–Sep 1991 8-Month	54.6°F (12.6°C)	54.5°F (12.5°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1985	1903
	54.6°F (12.6°C)	54.5°F (12.5°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1990	1934, 2015
	Ties: 1904, 1918, 1937, 1951
Jan–Sep 1991 9-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1985	1917
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1990	2015
	Ties: 1905, 1909, 1924, 1967, 2011
Dec 1990–Sep 1991 10-Month	48.6°F (9.2°C)	49.4°F (9.7°C)	-0.8°F (-0.5°C)	28th Coolest	Coolest since: 1979	1917
	48.6°F (9.2°C)	49.4°F (9.7°C)	-0.8°F (-0.5°C)	100th Warmest	Warmest since: 1990	2015
	Ties: 1920, 1962
Nov 1990–Sep 1991 11-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1985	1917
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1990	2015
	Ties: 1985
Oct 1990–Sep 1991 12-Month	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	33rd Coolest	Coolest since: 1985	1917
	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	95th Warmest	Warmest since: 1990	2015
	Ties: 1915, 1922, 1957
Apr 1990–Sep 1991 18-Month	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1985	1917
	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1990	2015
	Ties: 1919, 1947, 1998, 2010
Oct 1989–Sep 1991 24-Month	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1986	1913
	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1990	2016
	Ties: 1926, 1931, 1939, 1994
Oct 1988–Sep 1991 36-Month	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1987	1917
	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1990	2017
	Ties: 1999
Oct 1987–Sep 1991 48-Month	49.1°F (9.5°C)	48.4°F (9.1°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1988	1915
	49.1°F (9.5°C)	48.4°F (9.1°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1990	2018
	Ties: 1943, 1994
Oct 1986–Sep 1991 60-Month	49.2°F (9.6°C)	48.4°F (9.1°C)	0.8°F (0.5°C)	93rd Coolest	Coolest since: 1989	1917
	49.2°F (9.6°C)	48.4°F (9.1°C)	0.8°F (0.5°C)	31st Warmest	Warmest since: 1990	2018
	Ties: 1981, 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings