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. 1997 Aug 5;94(16):8321–8328. doi: 10.1073/pnas.94.16.8321

Figure 1.

Figure 1

Global surface temperature anomaly (combined land and marine) from 1855 through mid-1995 in degrees C (ref. 14 and P. D. Jones, personal communication). Monthly averages are shown as dots. The solid line is a spline fit (15) of these data with a standard error, σ, of 0.107°C.