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.

New England Basin

Average Temperature Rankings, May 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2009 1-Month	52.9°F (11.6°C)	52.2°F (11.2°C)	0.7°F (0.4°C)	70th Coolest	Coolest since: 2008	1917
	52.9°F (11.6°C)	52.2°F (11.2°C)	0.7°F (0.4°C)	59th Warmest	Warmest since: 2007	1911, 2015
	Ties: 1912, 1972
Apr–May 2009 2-Month	48.4°F (9.1°C)	46.2°F (7.9°C)	2.2°F (1.2°C)	109th Coolest	Coolest since: 2008	1917
	48.4°F (9.1°C)	46.2°F (7.9°C)	2.2°F (1.2°C)	20th Warmest	Warmest since: 2006	2010
	Ties: 1918
Mar–May 2009 3-Month	42.1°F (5.6°C)	40.4°F (4.7°C)	1.7°F (0.9°C)	101st Coolest	Coolest since: 2008	1926
	42.1°F (5.6°C)	40.4°F (4.7°C)	1.7°F (0.9°C)	28th Warmest	Warmest since: 2006	2010
	Ties: 1902, 1949, 1951
Feb–May 2009 4-Month	37.0°F (2.8°C)	34.8°F (1.6°C)	2.2°F (1.2°C)	106th Coolest	Coolest since: 2008	1923
	37.0°F (2.8°C)	34.8°F (1.6°C)	2.2°F (1.2°C)	23rd Warmest	Warmest since: 2006	2010
	Ties: 1949, 1957, 2002
Jan–May 2009 5-Month	31.9°F (-0.1°C)	31.1°F (-0.5°C)	0.8°F (0.4°C)	75th Coolest	Coolest since: 2007	1923
Jan–May 2009 5-Month	31.9°F (-0.1°C)	31.1°F (-0.5°C)	0.8°F (0.4°C)	54th Warmest	Warmest since: 2008	2010
Dec 2008–May 2009 6-Month	30.6°F (-0.8°C)	29.6°F (-1.3°C)	1.0°F (0.5°C)	81st Coolest	Coolest since: 2005	1907, 1923
	30.6°F (-0.8°C)	29.6°F (-1.3°C)	1.0°F (0.5°C)	47th Warmest	Warmest since: 2008	2012
	Ties: 1979
Nov 2008–May 2009 7-Month	31.4°F (-0.3°C)	30.2°F (-1.0°C)	1.2°F (0.7°C)	87th Coolest	Coolest since: 2005	1905
	31.4°F (-0.3°C)	30.2°F (-1.0°C)	1.2°F (0.7°C)	41st Warmest	Warmest since: 2008	2012
	Ties: 1919, 1937, 1975
Oct 2008–May 2009 8-Month	33.2°F (0.7°C)	32.3°F (0.2°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 2005	1905
	33.2°F (0.7°C)	32.3°F (0.2°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 2008	2012
	Ties: 1988
Sep 2008–May 2009 9-Month	35.9°F (2.2°C)	34.9°F (1.6°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 2005	1905
	35.9°F (2.2°C)	34.9°F (1.6°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 2008	2012
	Ties: 1903, 1985
Aug 2008–May 2009 10-Month	38.8°F (3.8°C)	37.9°F (3.3°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 2005	1905
	38.8°F (3.8°C)	37.9°F (3.3°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 2008	2012
	Ties: 1945, 1984, 2019
Jul 2008–May 2009 11-Month	41.5°F (5.3°C)	40.5°F (4.7°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 2005	1905
	41.5°F (5.3°C)	40.5°F (4.7°C)	1.0°F (0.6°C)	35th Warmest	Warmest since: 2008	2012
	Ties: 1962, 1976, 1986
Jun 2008–May 2009 12-Month	43.3°F (6.3°C)	42.2°F (5.7°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 2005	1905
	43.3°F (6.3°C)	42.2°F (5.7°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 2008	2012
	Ties: 1942, 1974
Dec 2007–May 2009 18-Month	39.2°F (4.0°C)	37.9°F (3.3°C)	1.3°F (0.7°C)	98th Coolest	Coolest since: 2005	1905
	39.2°F (4.0°C)	37.9°F (3.3°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 2008	2013, 2017
	Ties: 1958, 1974, 1980, 2003
Jun 2007–May 2009 24-Month	43.5°F (6.4°C)	42.1°F (5.6°C)	1.4°F (0.8°C)	98th Coolest	Coolest since: 2005	1905
	43.5°F (6.4°C)	42.1°F (5.6°C)	1.4°F (0.8°C)	29th Warmest	Warmest since: 2008	2013
	Ties: 1951, 1984
Jun 2006–May 2009 36-Month	43.7°F (6.5°C)	42.1°F (5.6°C)	1.6°F (0.9°C)	104th Coolest	Coolest since: 2005	1906
	43.7°F (6.5°C)	42.1°F (5.6°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 2008	2012
	Ties: 1953, 2004, 2016
Jun 2005–May 2009 48-Month	44.2°F (6.8°C)	42.1°F (5.6°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 2008	1907
	44.2°F (6.8°C)	42.1°F (5.6°C)	2.1°F (1.2°C)	11th Warmest	Warmest since: 2002	2013
	Ties: 2001, 2015
Jun 2004–May 2009 60-Month	43.9°F (6.6°C)	42.2°F (5.7°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 2008	1908
	43.9°F (6.6°C)	42.2°F (5.7°C)	1.7°F (0.9°C)	17th Warmest	Warmest since: 2008	2013
	Ties: 2001, 2008

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings