Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Connecticut

Average Temperature Rankings, September 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1939 1-Month	61.0°F (16.1°C)	61.5°F (16.4°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 1938	1917
	61.0°F (16.1°C)	61.5°F (16.4°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 1936	2015
	Ties: 1919, 1964, 2009
Aug–Sep 1939 2-Month	66.6°F (19.2°C)	65.0°F (18.3°C)	1.6°F (0.9°C)	98th Coolest	Coolest since: 1938	1903
	66.6°F (19.2°C)	65.0°F (18.3°C)	1.6°F (0.9°C)	31st Warmest	Warmest since: 1931	2018
	Ties: 1970
Jul–Sep 1939 3-Month	67.7°F (19.8°C)	66.9°F (19.4°C)	0.8°F (0.4°C)	80th Coolest	Coolest since: 1938	1962
	67.7°F (19.8°C)	66.9°F (19.4°C)	0.8°F (0.4°C)	49th Warmest	Warmest since: 1931	2018
	Ties: 1908, 1991
Jun–Sep 1939 4-Month	67.2°F (19.6°C)	66.5°F (19.2°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1938	1903
	67.2°F (19.6°C)	66.5°F (19.2°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 1937	2016
	Ties: 1945, 1989, 1996
May–Sep 1939 5-Month	65.5°F (18.6°C)	64.6°F (18.1°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1938	1903, 1927
	65.5°F (18.6°C)	64.6°F (18.1°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1937	2018
	Ties: 1961, 1995
Apr–Sep 1939 6-Month	61.7°F (16.5°C)	61.5°F (16.4°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1938	1907
	61.7°F (16.5°C)	61.5°F (16.4°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1937	2010
	Ties: 1901, 1943, 1951
Mar–Sep 1939 7-Month	57.5°F (14.2°C)	57.8°F (14.3°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1935	1926
	57.5°F (14.2°C)	57.8°F (14.3°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1938	2010
	Ties: 1964, 1965, 1997
Feb–Sep 1939 8-Month	54.0°F (12.2°C)	53.8°F (12.1°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1936	1907
	54.0°F (12.2°C)	53.8°F (12.1°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1938	2012
	Ties: 1929, 1941, 1960, 1996
Jan–Sep 1939 9-Month	50.8°F (10.4°C)	50.7°F (10.4°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1936	1904
	50.8°F (10.4°C)	50.7°F (10.4°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1938	2012
	Ties: 1900, 1906, 1946, 1969, 1977, 1979, 1996, 2015
Dec 1938–Sep 1939 10-Month	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1936	1904
	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1938	2012
	Ties: 1992
Nov 1938–Sep 1939 11-Month	48.0°F (8.9°C)	47.7°F (8.7°C)	0.3°F (0.2°C)	59th Coolest	Coolest since: 1936	1904
	48.0°F (8.9°C)	47.7°F (8.7°C)	0.3°F (0.2°C)	69th Warmest	Warmest since: 1938	2012
	Ties: 1910, 1944
Oct 1938–Sep 1939 12-Month	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1938	1904, 1905, 1918
	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1937	2012
	Ties: 1898, 1929, 1930, 1986, 1992, 1993
Apr 1938–Sep 1939 18-Month	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1938	1918
	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1938	2012
	Ties: 1922, 1938
Oct 1937–Sep 1939 24-Month	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	66th Coolest	Coolest since: 1937	1905
	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1938	2017
	Ties: 1937, 1943, 2004
Oct 1936–Sep 1939 36-Month	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1938	1905
	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1934	2018
	Ties: 1931, 1981
Oct 1935–Sep 1939 48-Month	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1938	1907
	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1934	2019
	Ties: 1931, 1945, 1958, 1984
Oct 1934–Sep 1939 60-Month	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1938	1907, 1908
	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1936	2020
	Ties: 1936, 1947, 1960, 1973, 1978, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings