# Plot battery voltage against time, usually for part of one day.
set terminal png
set output "out/hourly/battV.png.tmp"
set title "Off-grid Battery Volts (12V nominal)"
set grid
set xdata time
set yrange [11:16]
set timefmt "%H:%M"
set format x "%H:%M"
plot ".work/battV.dat" using 1:2 title col with lines, \
    "" using 1:3 title col with lines, \
    "" using 1:4 title col with lines lw 2, \
    "" using 1:5 title col with lines lw 2