set terminal png
set output 'gasyearly.png'
set xdata time
set timefmt "%b %Y"
set format x "%m/%Y"
set title "Gas Consumption" 
set ylabel "Therms Per Day" 
set yrange [*:*]
set xrange [*:*]
set xlabel " "
set grid
set size 1.2 ,0.5
set key top left

plot 'utilities.input' using 1:4 t "Gas" with lines