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/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start='1531333226' \
--end='1531419626' \
--title='Barometer' \
--base='1000' \
--height='250' \
--width='650' \
--alt-autoscale \
--upper-limit='31.0' \
--lower-limit='29.0' \
--y-grid='0.1:10' \
COMMENT:"From 2018/07/11 14\:20\:26 To 2018/07/12 14\:20\:26\c" \
COMMENT:"  \n" \
--vertical-label='Inches Hg' \
--slope-mode \
--font TITLE:10: \
--font AXIS:7: \
--font LEGEND:8: \
--font UNIT:7: \
DEF:a='/disk2/Weather/rra/WS2317.rrd':'RP':AVERAGE \
LINE1:a#000000FF:'' 
Viewing Graph Properties 'Barometer'
Barometer Zoom Graph
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