set term svg size 2048,1536 fsize 60
set output "temp.svg"

set border 1
set xtics nomirror
set ytics nomirror
set grid y2 lc rgb "#C0C0C0"
set grid x lc rgb "#C0C0C0"

unset xlabel
set y2label "Global Temperature Anomaly °C"
set key reverse top left #at 1970,0.4 Left
set y2tics 0.2
unset ytics

offset=0.07
plot [1880:2010] [-0.49:0.6] \
 "Fig.A2.txt" \
	using 1:($2-offset) \
	title "Annual Average" \
	lc rgb "blue" \
	lw 5 \
	pt 5 \
	ps 0.5 \
	with linespoints, \
 "" \
	using 1:($3-offset) \
	title "Five Year Average" \
	smooth csplines \
	lc rgb "red" \
	lw 20 \
	with lines