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 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 2009 1-Month	35.7°F (2.1°C)	32.8°F (0.4°C)	2.9°F (1.7°C)	95th Coolest	Coolest since: 2008	1917
	35.7°F (2.1°C)	32.8°F (0.4°C)	2.9°F (1.7°C)	34th Warmest	Warmest since: 2007	2017
	Ties: 1928, 1946
Feb–Mar 2009 2-Month	32.6°F (0.3°C)	29.2°F (-1.6°C)	3.4°F (1.9°C)	113th Coolest	Coolest since: 2008	1903
	32.6°F (0.3°C)	29.2°F (-1.6°C)	3.4°F (1.9°C)	16th Warmest	Warmest since: 2007	2015
	Ties: 1981
Jan–Mar 2009 3-Month	30.3°F (-0.9°C)	26.5°F (-3.1°C)	3.8°F (2.2°C)	112th Coolest	Coolest since: 2008	1917
Jan–Mar 2009 3-Month	30.3°F (-0.9°C)	26.5°F (-3.1°C)	3.8°F (2.2°C)	17th Warmest	Warmest since: 2005	2015
Dec 2008–Mar 2009 4-Month	28.6°F (-1.9°C)	25.6°F (-3.6°C)	3.0°F (1.7°C)	111th Coolest	Coolest since: 2008	1917
	28.6°F (-1.9°C)	25.6°F (-3.6°C)	3.0°F (1.7°C)	17th Warmest	Warmest since: 2005	2015
	Ties: 1954
Nov 2008–Mar 2009 5-Month	30.4°F (-0.9°C)	26.9°F (-2.8°C)	3.5°F (1.9°C)	117th Coolest	Coolest since: 2008	1917
	30.4°F (-0.9°C)	26.9°F (-2.8°C)	3.5°F (1.9°C)	11th Warmest	Warmest since: 2005	1934
	Ties: 1986, 2005
Oct 2008–Mar 2009 6-Month	33.1°F (0.6°C)	30.0°F (-1.1°C)	3.1°F (1.7°C)	118th Coolest	Coolest since: 2008	1917
	33.1°F (0.6°C)	30.0°F (-1.1°C)	3.1°F (1.7°C)	10th Warmest	Warmest since: 2000	1934
	Ties: 1978
Sep 2008–Mar 2009 7-Month	36.6°F (2.6°C)	33.8°F (1.0°C)	2.8°F (1.6°C)	117th Coolest	Coolest since: 2008	1917
	36.6°F (2.6°C)	33.8°F (1.0°C)	2.8°F (1.6°C)	11th Warmest	Warmest since: 2000	1934, 2015
	Ties: 2016
Aug 2008–Mar 2009 8-Month	40.3°F (4.6°C)	37.6°F (3.1°C)	2.7°F (1.5°C)	117th Coolest	Coolest since: 2008	1917
	40.3°F (4.6°C)	37.6°F (3.1°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 2000	1934
	Ties: 1978, 2016
Jul 2008–Mar 2009 9-Month	43.6°F (6.4°C)	40.9°F (4.9°C)	2.7°F (1.5°C)	118th Coolest	Coolest since: 2008	1917
Jul 2008–Mar 2009 9-Month	43.6°F (6.4°C)	40.9°F (4.9°C)	2.7°F (1.5°C)	10th Warmest	Warmest since: 2004	2015
Jun 2008–Mar 2009 10-Month	45.2°F (7.3°C)	42.8°F (6.0°C)	2.4°F (1.3°C)	113th Coolest	Coolest since: 2008	1917
Jun 2008–Mar 2009 10-Month	45.2°F (7.3°C)	42.8°F (6.0°C)	2.4°F (1.3°C)	15th Warmest	Warmest since: 2004	1934
May 2008–Mar 2009 11-Month	45.6°F (7.6°C)	43.6°F (6.4°C)	2.0°F (1.2°C)	111th Coolest	Coolest since: 2008	1917
	45.6°F (7.6°C)	43.6°F (6.4°C)	2.0°F (1.2°C)	17th Warmest	Warmest since: 2004	2015
	Ties: 1935, 1959
Apr 2008–Mar 2009 12-Month	45.1°F (7.3°C)	43.4°F (6.3°C)	1.7°F (1.0°C)	101st Coolest	Coolest since: 2008	1913
	45.1°F (7.3°C)	43.4°F (6.3°C)	1.7°F (1.0°C)	27th Warmest	Warmest since: 2007	2015
	Ties: 1982
Oct 2007–Mar 2009 18-Month	40.0°F (4.4°C)	38.9°F (3.8°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1998	1913
	40.0°F (4.4°C)	38.9°F (3.8°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2008	2018
	Ties: 1967, 1993
Apr 2007–Mar 2009 24-Month	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	103rd Coolest	Coolest since: 1999	1913
	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	24th Warmest	Warmest since: 2008	2018
	Ties: 1999, 2020
Apr 2006–Mar 2009 36-Month	45.2°F (7.3°C)	43.4°F (6.3°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 2008	1914
Apr 2006–Mar 2009 36-Month	45.2°F (7.3°C)	43.4°F (6.3°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 2007	2017, 2018
Apr 2005–Mar 2009 48-Month	45.1°F (7.3°C)	43.4°F (6.3°C)	1.7°F (1.0°C)	107th Coolest	Coolest since: 2000	1915
Apr 2005–Mar 2009 48-Month	45.1°F (7.3°C)	43.4°F (6.3°C)	1.7°F (1.0°C)	18th Warmest	Warmest since: 2008	2018
Apr 2004–Mar 2009 60-Month	45.2°F (7.3°C)	43.4°F (6.3°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2002	1917
	45.2°F (7.3°C)	43.4°F (6.3°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2008	2018, 2019
	Ties: 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings