/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start='1495164241' \
--end='1495250641' \
--title='Indoor Temperature' \
--base='1000' \
--height='250' \
--width='650' \
--alt-autoscale \
COMMENT:"From 2017/05/18 23\:24\:01 To 2017/05/19 23\:24\:01\c" \
COMMENT:"  \n" \
--vertical-label='Degrees Fahrenheit' \
--slope-mode \
--font TITLE:10: \
--font AXIS:7: \
--font LEGEND:8: \
--font UNIT:7: \
DEF:a='/disk2/Weather/rra/WS2317.rrd':'Ti':AVERAGE \
LINE1:a#000000FF:''