# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'datastrings.3.png'
set boxwidth 0.3 absolute
set style fill   solid 1.00 border lt -1
set grid nopolar
set grid noxtics nomxtics ytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   linetype 0 linewidth 1.000,  linetype 0 linewidth 1.000
set key inside right top vertical Right noreverse enhanced autotitles columnhead nobox
set pointsize 2
set xtics border in scale 0,0 mirror norotate  offset character 0, 0, 0 autojustify
set ytics border in scale 0,0 mirror norotate  offset character 0, 0, 0 autojustify
set ztics border in scale 0,0 nomirror norotate  offset character 0, 0, 0 autojustify
set x2tics border in scale 0,0 nomirror norotate  offset character 0, 0, 0 autojustify
set x2tics  norangelimit
set x2tics   ()
set cbtics border in scale 0,0 mirror norotate  offset character 0, 0, 0 autojustify
set rtics axis in scale 0,0 nomirror norotate  offset character 0, 0, 0 autojustify
set title "Same plot using x2ticlabels also" 
set xrange [ -0.500000 : 11.5000 ] noreverse nowriteback
set ylabel "mm" 
set yrange [ 0.00000 : 180.000 ] noreverse nowriteback
set bmargin  3
x = 0.0
plot 'ctg-y2.dat' using ($0-0.2):2 index 0 with boxes title "precipitation 1992-2000",      ''           using ($0+0.2):2 index 1 with boxes title "              2000-2001",      ''           using ($0):2 index 2 with linespoints lw 3 title "runoff 1992-2000",      ''           using ($0):2:x2ticlabels(1) index 3 with linespoints lw 3 title "       2000-2001"