This table appears in chapter 6 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

Extreme temperature events in the United States for which attribution statements have been made. There are three possible attribution statements: “+” shows an attributable human-induced increase in frequency or intensity, “−” shows an attributable human-induced decrease in frequency or intensity, “0” shows no attributable human contribution.

This table is composed of this array :

bb8bf2a6 (11x5)

Study	Period	Region	Type	Statement
Rupp et al. 2012, Angélil et al. 2017	Spring/Summer 2011	Texas	Hot	+
Hoerling et al. 2013	Summer 2011	Texas	Hot	+
Diffenbaugh and Scherer 2013, Angélil et al. 2017	July 2012	Northcentral and Northeast	Hot	+
Cattiaux and Yiou 2013, Angélil et al. 2017	Spring 2012	East	Hot	0
Knutson et al. 2013b, Angelil et al. 2017	Spring 2012	East	Hot	+
Jeon et al 2016	Summer 2011	Texas/Oklahoma	Hot	+
Dole et al. 2014	March 2012	Upper Midwest	Hot	+
Seager et al. 2014	2011-2014	California	Hot	+
Wolter et al. 2015	Winter 2014	Midwest	Cold	_
Trenary et al. 2015	Winter 2014	East	Cold	0