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.

New England Basin

Average Temperature Rankings, May 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1939 1-Month	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1938	1917
	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1937	1911, 2015
	Ties: 1901, 1943, 1971, 1976, 2000
Apr–May 1939 2-Month	44.3°F (6.8°C)	46.3°F (7.9°C)	-2.0°F (-1.1°C)	13th Coolest	Coolest since: 1928	1917
	44.3°F (6.8°C)	46.3°F (7.9°C)	-2.0°F (-1.1°C)	116th Warmest	Warmest since: 1938	2010
	Ties: 1923
Mar–May 1939 3-Month	37.1°F (2.8°C)	40.4°F (4.7°C)	-3.3°F (-1.9°C)	8th Coolest	Coolest since: 1926	1926
Mar–May 1939 3-Month	37.1°F (2.8°C)	40.4°F (4.7°C)	-3.3°F (-1.9°C)	121st Warmest	Warmest since: 1938	2010
Feb–May 1939 4-Month	32.5°F (0.3°C)	34.8°F (1.6°C)	-2.3°F (-1.3°C)	13th Coolest	Coolest since: 1934	1923
	32.5°F (0.3°C)	34.8°F (1.6°C)	-2.3°F (-1.3°C)	116th Warmest	Warmest since: 1938	2010
	Ties: 2015
Jan–May 1939 5-Month	29.2°F (-1.6°C)	31.2°F (-0.4°C)	-2.0°F (-1.2°C)	19th Coolest	Coolest since: 1935	1923
	29.2°F (-1.6°C)	31.2°F (-0.4°C)	-2.0°F (-1.2°C)	110th Warmest	Warmest since: 1938	2010
	Ties: 1924
Dec 1938–May 1939 6-Month	28.3°F (-2.1°C)	29.6°F (-1.3°C)	-1.3°F (-0.8°C)	27th Coolest	Coolest since: 1935	1907, 1923
	28.3°F (-2.1°C)	29.6°F (-1.3°C)	-1.3°F (-0.8°C)	101st Warmest	Warmest since: 1938	2012
	Ties: 1909, 1963, 1972
Nov 1938–May 1939 7-Month	29.4°F (-1.4°C)	30.2°F (-1.0°C)	-0.8°F (-0.4°C)	32nd Coolest	Coolest since: 1935	1905
	29.4°F (-1.4°C)	30.2°F (-1.0°C)	-0.8°F (-0.4°C)	96th Warmest	Warmest since: 1938	2012
	Ties: 1900, 1906, 2014
Oct 1938–May 1939 8-Month	31.8°F (-0.1°C)	32.2°F (0.1°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1935	1905
	31.8°F (-0.1°C)	32.2°F (0.1°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1938	2012
	Ties: 1941, 1993, 2014
Sep 1938–May 1939 9-Month	34.3°F (1.3°C)	34.9°F (1.6°C)	-0.6°F (-0.3°C)	37th Coolest	Coolest since: 1935	1905
Sep 1938–May 1939 9-Month	34.3°F (1.3°C)	34.9°F (1.6°C)	-0.6°F (-0.3°C)	91st Warmest	Warmest since: 1938	2012
Aug 1938–May 1939 10-Month	37.6°F (3.1°C)	37.9°F (3.3°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1936	1905
	37.6°F (3.1°C)	37.9°F (3.3°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1938	2012
	Ties: 1898, 1901, 1936, 1968
Jul 1938–May 1939 11-Month	40.3°F (4.6°C)	40.5°F (4.7°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1935	1905
	40.3°F (4.6°C)	40.5°F (4.7°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1938	2012
	Ties: 1898, 1922, 1957, 1968, 1970
Jun 1938–May 1939 12-Month	42.2°F (5.7°C)	42.2°F (5.7°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1936	1905
	42.2°F (5.7°C)	42.2°F (5.7°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1938	2012
	Ties: 1929, 1936, 1946, 1968, 1972
Dec 1937–May 1939 18-Month	38.0°F (3.3°C)	38.0°F (3.3°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1937	1905
	38.0°F (3.3°C)	38.0°F (3.3°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1938	2013
	Ties: 1937, 1943, 1962, 1970
Jun 1937–May 1939 24-Month	42.5°F (5.8°C)	42.2°F (5.7°C)	0.3°F (0.1°C)	71st Coolest	Coolest since: 1937	1905
	42.5°F (5.8°C)	42.2°F (5.7°C)	0.3°F (0.1°C)	56th Warmest	Warmest since: 1938	2013
	Ties: 1931, 1942, 1977, 1987, 1988
Jun 1936–May 1939 36-Month	42.5°F (5.8°C)	42.2°F (5.7°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1938	1906
	42.5°F (5.8°C)	42.2°F (5.7°C)	0.3°F (0.1°C)	56th Warmest	Warmest since: 1938	2012
	Ties: 1934, 1938, 1958, 1982
Jun 1935–May 1939 48-Month	42.4°F (5.8°C)	42.2°F (5.7°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1938	1907
	42.4°F (5.8°C)	42.2°F (5.7°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1934	2013
	Ties: 1947, 1948, 1961, 1974, 1981, 1982
Jun 1934–May 1939 60-Month	42.1°F (5.6°C)	42.1°F (5.6°C)	0.0°F (0.0°C)	45th Coolest	Coolest since: 1938	1908
	42.1°F (5.6°C)	42.1°F (5.6°C)	0.0°F (0.0°C)	79th Warmest	Warmest since: 1936	2013
	Ties: 1936, 1941

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