diff --git a/plot.sh b/plot.sh
new file mode 100644
index 0000000..d8619de
--- /dev/null
+++ b/plot.sh
@@ -0,0 +1,11 @@
+DATAPATH=/var/lib/munin/localdomain
+OUTPATH=~/public_html
+
+rrdtool graph $OUTPATH/river-canterbury.png \
+  --end now --start end-3w \
+  --height 400 --width 1200 \
+  DEF:r17_1135=$DATAPATH/localhost.localdomain-river_levels_17-river_level_1135-g.rrd:42:AVERAGE \
+  DEF:r17_1143=$DATAPATH/localhost.localdomain-river_levels_17-river_level_1143-g.rrd:42:AVERAGE \
+  LINE1:r17_1135#0000FF:"Stour at Chartham (1135)\l" \
+  LINE1:r17_1143#00FF00:"Stour at Vauxhall Bridge (1143)\l" \
+  HRULE:0.8#000000