datafile = ARG1
outfile = ARG2

set terminal pngcairo size 1000,200 transparent enhanced

unset xlabel
unset ylabel
unset xtics
unset ytics
unset grid

set margins 0,0,0,0
set border 0
set size ratio 0.2

# Find minimum value
stats datafile using 2 nooutput
min_y = STATS_min

set xdata time
set timefmt "%Y%m%d%H%M"

set samples 500

set style fill transparent solid 0.5 border -1

set output outfile

plot datafile using 1:2 smooth bezier with  filledcurves y1=min_y linecolor rgb "#248BCC" notitle