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 1959

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1959 1-Month	64.9°F (18.3°C)	61.5°F (16.4°C)	3.4°F (1.9°C)	115th Coolest	Coolest since: 1958	1917
September 1959 1-Month	64.9°F (18.3°C)	61.5°F (16.4°C)	3.4°F (1.9°C)	14th Warmest	Warmest since: 1931	2015
Aug–Sep 1959 2-Month	68.3°F (20.2°C)	65.1°F (18.4°C)	3.2°F (1.8°C)	119th Coolest	Coolest since: 1958	1903
	68.3°F (20.2°C)	65.1°F (18.4°C)	3.2°F (1.8°C)	10th Warmest	Warmest to Date	2018
	Ties: 2010
Jul–Sep 1959 3-Month	69.3°F (20.7°C)	66.9°F (19.4°C)	2.4°F (1.3°C)	115th Coolest	Coolest since: 1958	1962
	69.3°F (20.7°C)	66.9°F (19.4°C)	2.4°F (1.3°C)	14th Warmest	Warmest since: 1955	2018
	Ties: 1955
Jun–Sep 1959 4-Month	68.1°F (20.1°C)	66.6°F (19.2°C)	1.5°F (0.9°C)	104th Coolest	Coolest since: 1958	1903
	68.1°F (20.1°C)	66.6°F (19.2°C)	1.5°F (0.9°C)	25th Warmest	Warmest since: 1952	2016
	Ties: 1931, 1998, 2006, 2007
May–Sep 1959 5-Month	66.5°F (19.2°C)	64.6°F (18.1°C)	1.9°F (1.1°C)	114th Coolest	Coolest since: 1958	1903, 1927
	66.5°F (19.2°C)	64.6°F (18.1°C)	1.9°F (1.1°C)	15th Warmest	Warmest since: 1944	2018
	Ties: 2019
Apr–Sep 1959 6-Month	63.5°F (17.5°C)	61.5°F (16.4°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 1958	1907
	63.5°F (17.5°C)	61.5°F (16.4°C)	2.0°F (1.1°C)	15th Warmest	Warmest to Date	2010
	Ties: 2020
Mar–Sep 1959 7-Month	59.3°F (15.2°C)	57.8°F (14.3°C)	1.5°F (0.9°C)	107th Coolest	Coolest since: 1958	1926
	59.3°F (15.2°C)	57.8°F (14.3°C)	1.5°F (0.9°C)	22nd Warmest	Warmest since: 1955	2010
	Ties: 2006, 2013
Feb–Sep 1959 8-Month	55.0°F (12.8°C)	53.8°F (12.1°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1958	1907
	55.0°F (12.8°C)	53.8°F (12.1°C)	1.2°F (0.7°C)	34th Warmest	Warmest since: 1957	2012
	Ties: 1977, 1985, 1988, 2000
Jan–Sep 1959 9-Month	51.7°F (10.9°C)	50.7°F (10.4°C)	1.0°F (0.5°C)	96th Coolest	Coolest since: 1958	1904
	51.7°F (10.9°C)	50.7°F (10.4°C)	1.0°F (0.5°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1930, 1989
Dec 1958–Sep 1959 10-Month	48.8°F (9.3°C)	48.5°F (9.2°C)	0.3°F (0.1°C)	60th Coolest	Coolest since: 1958	1904
	48.8°F (9.3°C)	48.5°F (9.2°C)	0.3°F (0.1°C)	68th Warmest	Warmest since: 1957	2012
	Ties: 1900, 1906, 1979, 1981, 1986
Nov 1958–Sep 1959 11-Month	48.2°F (9.0°C)	47.8°F (8.8°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1958	1904
	48.2°F (9.0°C)	47.8°F (8.8°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1957	2012
	Ties: 1898, 1919, 1925, 1929, 1945, 1986
Oct 1958–Sep 1959 12-Month	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1958	1904, 1905, 1918
	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1957	2012
	Ties: 1938, 1944, 1972, 1979, 1984
Apr 1958–Sep 1959 18-Month	52.2°F (11.2°C)	52.5°F (11.4°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1956	1918
	52.2°F (11.2°C)	52.5°F (11.4°C)	-0.3°F (-0.2°C)	92nd Warmest	Warmest since: 1958	2012
	Ties: 1906, 1956, 1964, 1982
Oct 1957–Sep 1959 24-Month	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	54th Coolest	Coolest since: 1957	1905
	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1958	2017
	Ties: 1914, 1956
Oct 1956–Sep 1959 36-Month	48.4°F (9.1°C)	48.0°F (8.9°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1958	1905
	48.4°F (9.1°C)	48.0°F (8.9°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1957	2018
	Ties: 1956, 1957, 1973, 1984
Oct 1955–Sep 1959 48-Month	47.9°F (8.8°C)	48.0°F (8.9°C)	-0.1°F (-0.1°C)	48th Coolest	Coolest since: 1946	1907
	47.9°F (8.8°C)	48.0°F (8.9°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1958	2019
	Ties: 1930, 1946, 1972, 1978
Oct 1954–Sep 1959 60-Month	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1948	1907, 1908
	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1958	2020
	Ties: 1935, 1961, 1974

Citing This Page

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