--units-exponent 0 --lower-limit -20 --upper-limit 40 --rigid \
--legend-position east \
DEF:a=$D/sensor-ursarium.rrd:temp:AVERAGE 'LINE1:a#0000cc:Ursarium\n' \
- DEF:b=$D/sensor-balcony.rrd:temp:AVERAGE 'LINE1:b#00cc00:Balcony\n' \
- DEF:c=$D/sensor-catarium.rrd:temp:AVERAGE 'LINE1:c#cc0000:Catarium'
+ DEF:d=$D/sensor-catarium.rrd:temp:AVERAGE 'LINE1:d#cc0000:Catarium\n' \
+ DEF:c=$D/sensor-balcony.rrd:temp:AVERAGE 'LINE1:c#cc00cc:Balcony\n' \
+ DEF:b=$D/sensor-outside.rrd:temp:AVERAGE 'LINE1:b#00cc00:Outside'