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 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1978 1-Month	54.5°F (12.5°C)	52.2°F (11.2°C)	2.3°F (1.3°C)	103rd Coolest	Coolest since: 1976	1917
	54.5°F (12.5°C)	52.2°F (11.2°C)	2.3°F (1.3°C)	26th Warmest	Warmest since: 1977	1911, 2015
	Ties: 2011
Apr–May 1978 2-Month	46.4°F (8.0°C)	46.3°F (7.9°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1975	1917
	46.4°F (8.0°C)	46.3°F (7.9°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1977	2010
	Ties: 1897, 1973, 1975, 1983, 1984, 2000
Mar–May 1978 3-Month	39.4°F (4.1°C)	40.4°F (4.7°C)	-1.0°F (-0.6°C)	35th Coolest	Coolest since: 1974	1926
	39.4°F (4.1°C)	40.4°F (4.7°C)	-1.0°F (-0.6°C)	94th Warmest	Warmest since: 1977	2010
	Ties: 1896
Feb–May 1978 4-Month	33.1°F (0.6°C)	34.8°F (1.6°C)	-1.7°F (-1.0°C)	24th Coolest	Coolest since: 1972	1923
	33.1°F (0.6°C)	34.8°F (1.6°C)	-1.7°F (-1.0°C)	105th Warmest	Warmest since: 1977	2010
	Ties: 1895
Jan–May 1978 5-Month	29.6°F (-1.3°C)	31.1°F (-0.5°C)	-1.5°F (-0.8°C)	26th Coolest	Coolest since: 1972	1923
	29.6°F (-1.3°C)	31.1°F (-0.5°C)	-1.5°F (-0.8°C)	103rd Warmest	Warmest since: 1977	2010
	Ties: 1895, 1901, 1971, 1972
Dec 1977–May 1978 6-Month	28.2°F (-2.1°C)	29.6°F (-1.3°C)	-1.4°F (-0.8°C)	26th Coolest	Coolest since: 1971	1907, 1923
Dec 1977–May 1978 6-Month	28.2°F (-2.1°C)	29.6°F (-1.3°C)	-1.4°F (-0.8°C)	102nd Warmest	Warmest since: 1977	2012
Nov 1977–May 1978 7-Month	29.5°F (-1.4°C)	30.2°F (-1.0°C)	-0.7°F (-0.4°C)	36th Coolest	Coolest since: 1972	1905
	29.5°F (-1.4°C)	30.2°F (-1.0°C)	-0.7°F (-0.4°C)	92nd Warmest	Warmest since: 1977	2012
	Ties: 1927, 1968, 1982
Oct 1977–May 1978 8-Month	31.5°F (-0.3°C)	32.2°F (0.1°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1977	1905
	31.5°F (-0.3°C)	32.2°F (0.1°C)	-0.7°F (-0.4°C)	93rd Warmest	Warmest since: 1976	2012
	Ties: 1901
Sep 1977–May 1978 9-Month	34.2°F (1.2°C)	34.9°F (1.6°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1977	1905
	34.2°F (1.2°C)	34.9°F (1.6°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1976	2012
	Ties: 1900, 1914
Aug 1977–May 1978 10-Month	37.2°F (2.9°C)	37.8°F (3.2°C)	-0.6°F (-0.3°C)	34th Coolest	Coolest since: 1977	1905
	37.2°F (2.9°C)	37.8°F (3.2°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest since: 1976	2012
	Ties: 1909, 1922
Jul 1977–May 1978 11-Month	39.9°F (4.4°C)	40.5°F (4.7°C)	-0.6°F (-0.3°C)	33rd Coolest	Coolest since: 1977	1905
	39.9°F (4.4°C)	40.5°F (4.7°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 1976	2012
	Ties: 1916, 1924, 1930, 1956
Jun 1977–May 1978 12-Month	41.5°F (5.3°C)	42.2°F (5.7°C)	-0.7°F (-0.4°C)	25th Coolest	Coolest since: 1967	1905
	41.5°F (5.3°C)	42.2°F (5.7°C)	-0.7°F (-0.4°C)	103rd Warmest	Warmest since: 1977	2012
	Ties: 1896, 1899, 1916, 1994
Dec 1976–May 1978 18-Month	37.5°F (3.1°C)	38.0°F (3.3°C)	-0.5°F (-0.2°C)	31st Coolest	Coolest since: 1972	1905
	37.5°F (3.1°C)	38.0°F (3.3°C)	-0.5°F (-0.2°C)	96th Warmest	Warmest since: 1977	2013, 2017
	Ties: 1902, 1911, 1928, 1994
Jun 1976–May 1978 24-Month	41.6°F (5.3°C)	42.2°F (5.7°C)	-0.6°F (-0.4°C)	22nd Coolest	Coolest since: 1966	1905
	41.6°F (5.3°C)	42.2°F (5.7°C)	-0.6°F (-0.4°C)	105th Warmest	Warmest since: 1977	2013
	Ties: 1899, 1900, 1909, 1915, 1925, 1966, 1994
Jun 1975–May 1978 36-Month	42.1°F (5.6°C)	42.1°F (5.6°C)	0.0°F (0.0°C)	45th Coolest	Coolest since: 1973	1906
	42.1°F (5.6°C)	42.1°F (5.6°C)	0.0°F (0.0°C)	81st Warmest	Warmest since: 1977	2012
	Ties: 1903, 1922, 1940, 1942, 1943, 1944, 1948, 1959, 1971, 1972, 1973
Jun 1974–May 1978 48-Month	42.2°F (5.7°C)	42.1°F (5.6°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1973	1907
	42.2°F (5.7°C)	42.1°F (5.6°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1977	2013
	Ties: 1940, 1979
Jun 1973–May 1978 60-Month	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1975	1908
	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1977	2013
	Ties: 1960, 1964, 1974, 1975, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings