Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, April 1990

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1990 1-Month	50.6°F (10.3°C)	45.7°F (7.6°C)	4.9°F (2.7°C)	122nd Coolest	Coolest since: 1988	1975
	50.6°F (10.3°C)	45.7°F (7.6°C)	4.9°F (2.7°C)	7th Warmest	Warmest since: 1989	1934
	Ties: 1930
Mar–Apr 1990 2-Month	46.4°F (8.0°C)	42.1°F (5.6°C)	4.3°F (2.4°C)	121st Coolest	Coolest since: 1988	1917
Mar–Apr 1990 2-Month	46.4°F (8.0°C)	42.1°F (5.6°C)	4.3°F (2.4°C)	8th Warmest	Warmest since: 1989	1934
Feb–Apr 1990 3-Month	40.8°F (4.9°C)	38.9°F (3.8°C)	1.9°F (1.1°C)	99th Coolest	Coolest since: 1988	1903
	40.8°F (4.9°C)	38.9°F (3.8°C)	1.9°F (1.1°C)	30th Warmest	Warmest since: 1989	1934
	Ties: 1994
Jan–Apr 1990 4-Month	38.3°F (3.5°C)	36.3°F (2.4°C)	2.0°F (1.1°C)	102nd Coolest	Coolest since: 1989	1917
	38.3°F (3.5°C)	36.3°F (2.4°C)	2.0°F (1.1°C)	27th Warmest	Warmest since: 1986	1934
	Ties: 1972, 2022
Dec 1989–Apr 1990 5-Month	37.0°F (2.8°C)	34.9°F (1.6°C)	2.1°F (1.2°C)	103rd Coolest	Coolest since: 1989	1917
	37.0°F (2.8°C)	34.9°F (1.6°C)	2.1°F (1.2°C)	25th Warmest	Warmest since: 1986	1934
	Ties: 2017
Nov 1989–Apr 1990 6-Month	37.5°F (3.1°C)	35.4°F (1.9°C)	2.1°F (1.2°C)	109th Coolest	Coolest since: 1989	1917
	37.5°F (3.1°C)	35.4°F (1.9°C)	2.1°F (1.2°C)	19th Warmest	Warmest since: 1986	1934
	Ties: 1918, 1954
Oct 1989–Apr 1990 7-Month	39.1°F (3.9°C)	37.4°F (3.0°C)	1.7°F (0.9°C)	103rd Coolest	Coolest since: 1989	1917
	39.1°F (3.9°C)	37.4°F (3.0°C)	1.7°F (0.9°C)	25th Warmest	Warmest since: 1986	1934
	Ties: 1926, 1930
Sep 1989–Apr 1990 8-Month	41.9°F (5.5°C)	40.4°F (4.7°C)	1.5°F (0.8°C)	101st Coolest	Coolest since: 1989	1917
Sep 1989–Apr 1990 8-Month	41.9°F (5.5°C)	40.4°F (4.7°C)	1.5°F (0.8°C)	27th Warmest	Warmest since: 1981	1934
Aug 1989–Apr 1990 9-Month	44.8°F (7.1°C)	43.6°F (6.4°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1989	1917
	44.8°F (7.1°C)	43.6°F (6.4°C)	1.2°F (0.7°C)	31st Warmest	Warmest since: 1981	1934
	Ties: 1935
Jul 1989–Apr 1990 10-Month	47.7°F (8.7°C)	46.4°F (8.0°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1989	1917
	47.7°F (8.7°C)	46.4°F (8.0°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1981	1934
	Ties: 1930, 1935, 1953, 1997, 2006
Jun 1989–Apr 1990 11-Month	49.2°F (9.6°C)	47.9°F (8.8°C)	1.3°F (0.8°C)	98th Coolest	Coolest since: 1989	1917
	49.2°F (9.6°C)	47.9°F (8.8°C)	1.3°F (0.8°C)	30th Warmest	Warmest since: 1981	1934
	Ties: 1954, 2020
May 1989–Apr 1990 12-Month	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1989	1917
	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1986	2015
	Ties: 1986
Nov 1988–Apr 1990 18-Month	44.9°F (7.2°C)	44.1°F (6.7°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 1989	1933, 1949
	44.9°F (7.2°C)	44.1°F (6.7°C)	0.8°F (0.5°C)	39th Warmest	Warmest since: 1988	2015
	Ties: 1954, 1960, 1961, 2020
May 1988–Apr 1990 24-Month	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 1989	1913, 1917
	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	24th Warmest	Warmest since: 1981	2015, 2016
	Ties: 1998, 2000
May 1987–Apr 1990 36-Month	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	103rd Coolest	Coolest since: 1989	1914, 1917
	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	23rd Warmest	Warmest since: 1982	2016, 2017
	Ties: 1940, 1941, 1982, 1996, 2000, 2001, 2010
May 1986–Apr 1990 48-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	101st Coolest	Coolest since: 1989	1915, 1917
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	24th Warmest	Warmest since: 1989	2018
	Ties: 1989, 1992, 1999, 2013
May 1985–Apr 1990 60-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	98th Coolest	Coolest since: 1989	1917
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 1938	2018
	Ties: 1992, 1996, 1997, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings