_:genid1 ""^^ . _:genid2 . _:genid2 . _:genid2 "IDL (version 8.0)"^^ . _:genid3 . _:genid3 "The mean temperature for the period 1961-1990 was added to the global average annual temperature anomalies to get the annual temperature time series. Anomalies were then calculated relative to a 1901-1960 reference period by subtracting the 1901-1960 mean temperature from the annual temperatures, and plotted as a time series from 1880 to 2012."^^ . _:genid4 . _:genid4 _:genid2 . _:genid4 _:genid3 . "40d9d5ef-nca3-mlost-process" . "Global temperature change (relative to 1901-1960) is plotted as a time series."^^ . _:genid1 . "HadCRUT.4.1.1.0.annual_ns_avg.txt\r\nGISS.txt\r\naravg.ann.land_ocean.90S.90N.v3.5.2.201301.asc\r\nread_global_combined_surface.pro\r\nplot_timeseries.pro\r\nglobal_combined_surface_timeseries.ps\r\nCAQ_global_average_temp_V6.png"^^ . "Mac OS X (darwin x86_64 m64)"^^ . _:genid4 . . . .