set data style lines
set xdata time
set timefmt "%b %d %H:%M:%S"
set bmargin 3
set size 0.75,0.75
set xtics 7200
set format x "%H:%M"
set terminal png

set key off
set ylabel "[K]"
set title "Tank Temperature"
set output '~/HTML/Status/tc3temp.png'
plot '/tmp/tc3temp' using 1:4 title "TC3temp"

set key off
set title "Tank Heater Power"
set ylabel "[W]"
set output '~/HTML/Status/tc3power.png'
plot '/tmp/tc3power' using 1:4 title "TC3power"

#single plot
#set key on
#set title "Tank"
#set ylabel "[K]"
#set y2label "[W]"
#set y2tic
#set output '~/HTML/Status/tc3temp.png'
#plot '/tmp/tc3temp'  using 1:4 title "Temperature" \
# ,   '/tmp/tc3power' using 1:4 title "Power" axes x1y2