_:genid1 "6 hours"^^ . _:genid2 . _:genid2 . _:genid2 "Microsoft Excel for Mac 2011 Version 14.3.9 (131030)"^^ . _:genid3 . _:genid3 "Annual mean temperatures were averaged for all grid points in the contiguous U.S. and plotted as a time series from 1960 to 2012. The temperature trend for the entire period was also calculated using linear least squares regression, and plotted as a trend line."^^ . _:genid4 . _:genid4 _:genid2 . _:genid4 _:genid3 . "fe1ad9b9-nca3-cddv2-r1-process" . "A time series of annual temperatures for the contiguous U.S. from 1960 to 2012 were plotted with a trend line."^^ . _:genid1 . "conus.ave.tave\r\nconus_temp_July31_2013_with_regression.xlsx\r\nCAQ_US annual temp_v4.png"^^ . "Mac OS X (darwin x86_64 m64)"^^ . _:genid4 . . . .