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.

Upper Colorado River Basin

Average Temperature Rankings, March 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 2011 1-Month	35.4°F (1.9°C)	32.8°F (0.4°C)	2.6°F (1.5°C)	91st Coolest	Coolest since: 2010	1917
March 2011 1-Month	35.4°F (1.9°C)	32.8°F (0.4°C)	2.6°F (1.5°C)	38th Warmest	Warmest since: 2009	2017
Feb–Mar 2011 2-Month	29.2°F (-1.6°C)	29.2°F (-1.6°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 2010	1903
	29.2°F (-1.6°C)	29.2°F (-1.6°C)	0.0°F (0.0°C)	77th Warmest	Warmest since: 2010	2015
	Ties: 1971, 2010
Jan–Mar 2011 3-Month	26.5°F (-3.1°C)	26.5°F (-3.1°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 2008	1917
	26.5°F (-3.1°C)	26.5°F (-3.1°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 2010	2015
	Ties: 1951
Dec 2010–Mar 2011 4-Month	27.2°F (-2.7°C)	25.7°F (-3.5°C)	1.5°F (0.8°C)	82nd Coolest	Coolest since: 2010	1917
	27.2°F (-2.7°C)	25.7°F (-3.5°C)	1.5°F (0.8°C)	46th Warmest	Warmest since: 2009	2015
	Ties: 1951, 2021
Nov 2010–Mar 2011 5-Month	28.0°F (-2.2°C)	26.9°F (-2.8°C)	1.1°F (0.6°C)	78th Coolest	Coolest since: 2010	1917
	28.0°F (-2.2°C)	26.9°F (-2.8°C)	1.1°F (0.6°C)	50th Warmest	Warmest since: 2009	1934
	Ties: 1921, 1971
Oct 2010–Mar 2011 6-Month	31.4°F (-0.3°C)	30.0°F (-1.1°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 2010	1917
	31.4°F (-0.3°C)	30.0°F (-1.1°C)	1.4°F (0.8°C)	36th Warmest	Warmest since: 2009	1934
	Ties: 1967
Sep 2010–Mar 2011 7-Month	35.5°F (1.9°C)	33.8°F (1.0°C)	1.7°F (0.9°C)	99th Coolest	Coolest since: 2010	1917
	35.5°F (1.9°C)	33.8°F (1.0°C)	1.7°F (0.9°C)	29th Warmest	Warmest since: 2009	1934, 2015
	Ties: 1918, 1945, 2014
Aug 2010–Mar 2011 8-Month	39.2°F (4.0°C)	37.7°F (3.2°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 2010	1917
Aug 2010–Mar 2011 8-Month	39.2°F (4.0°C)	37.7°F (3.2°C)	1.5°F (0.8°C)	31st Warmest	Warmest since: 2009	1934
Jul 2010–Mar 2011 9-Month	42.4°F (5.8°C)	40.9°F (4.9°C)	1.5°F (0.9°C)	97th Coolest	Coolest since: 2010	1917
	42.4°F (5.8°C)	40.9°F (4.9°C)	1.5°F (0.9°C)	31st Warmest	Warmest since: 2009	2015
	Ties: 1907
Jun 2010–Mar 2011 10-Month	44.4°F (6.9°C)	42.8°F (6.0°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 2010	1917
	44.4°F (6.9°C)	42.8°F (6.0°C)	1.6°F (0.9°C)	28th Warmest	Warmest since: 2009	1934
	Ties: 1935, 1938, 1982, 2002, 2019
May 2010–Mar 2011 11-Month	44.7°F (7.1°C)	43.6°F (6.4°C)	1.1°F (0.7°C)	87th Coolest	Coolest since: 2010	1917
	44.7°F (7.1°C)	43.6°F (6.4°C)	1.1°F (0.7°C)	41st Warmest	Warmest since: 2009	2015
	Ties: 1998
Apr 2010–Mar 2011 12-Month	44.5°F (6.9°C)	43.4°F (6.3°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 2010	1913
	44.5°F (6.9°C)	43.4°F (6.3°C)	1.1°F (0.6°C)	42nd Warmest	Warmest since: 2009	2015
	Ties: 1963, 1970
Oct 2009–Mar 2011 18-Month	39.5°F (4.2°C)	38.9°F (3.8°C)	0.6°F (0.4°C)	78th Coolest	Coolest since: 1994	1913
	39.5°F (4.2°C)	38.9°F (3.8°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 2010	2018
	Ties: 1902, 1927, 1934, 1940, 1947, 1957, 1983, 1988
Apr 2009–Mar 2011 24-Month	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1994	1913
	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	43rd Warmest	Warmest since: 2010	2018
	Ties: 1961, 1964
Apr 2008–Mar 2011 36-Month	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1994	1914
	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 2010	2017, 2018
	Ties: 1935, 1961, 1988, 2012
Apr 2007–Mar 2011 48-Month	44.5°F (6.9°C)	43.3°F (6.3°C)	1.2°F (0.6°C)	94th Coolest	Coolest since: 1995	1915
	44.5°F (6.9°C)	43.3°F (6.3°C)	1.2°F (0.6°C)	31st Warmest	Warmest since: 2010	2018
	Ties: 1989, 1990, 1993, 1995
Apr 2006–Mar 2011 60-Month	44.7°F (7.1°C)	43.3°F (6.3°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1998	1917
	44.7°F (7.1°C)	43.3°F (6.3°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 2010	2018, 2019
	Ties: 1990, 1997, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings