power week grapher

 rrdtool graph /home/chloe/public_html/cc/power-week.png \
 --start end-7d --width 700 --end now --slope-mode \
 --no-legend --vertical-label Watts --lower-limit 0 \
 --alt-autoscale-max --title "Power per Week" \
 DEF:Power=/home/chloe/bin/powertemp.rrd:Power:AVERAGE \
 DEF:PowerMin=/home/chloe/bin/powertemp.rrd:Power:MIN \
 DEF:PowerMax=/home/chloe/bin/powertemp.rrd:Power:MAX \
 CDEF:PowerRange=PowerMax,PowerMin,- \
 LINE1:PowerMin: \
 AREA:PowerRange#0000FF11:"Error Range":STACK \
 LINE1:PowerMin#0000FF33:"Min" \
 LINE1:PowerMax#0000FF33:"Max" \
 LINE1:Power#0000FF:"Average"