diff --git a/bash/portal/graphs.sh b/bash/portal/graphs.sh
index 7350391..092d077 100755
--- a/bash/portal/graphs.sh
+++ b/bash/portal/graphs.sh
@@ -40,6 +40,7 @@ PORTAL_BUILD_DIRECTORY="${RECEIVER_BUILD_DIRECTORY}/portal"
 COLLECTD_CONFIG="/etc/collectd/collectd.conf"
 COLLECTD_CRON_FILE="/etc/cron.d/adsb-receiver-performance-graphs"
 DUMP1090_MAX_RANGE_RRD="/var/lib/collectd/rrd/localhost/dump1090-localhost/dump1090_range-max_range.rrd"
+DUMP1090_MESSAGES_LOCAL_RRD="/var/lib/collectd/rrd/localhost/dump1090-localhost/dump1090_messages-local_accepted.rrd"
 
 ### INCLUDE EXTERNAL SCRIPTS
 
@@ -394,6 +395,14 @@ if [ -f "/var/lib/collectd/rrd/localhost/dump1090-localhost/dump1090_range-max_r
     fi
 fi
 
+# Increase size of weekly messages table to 8 days
+if [ -f ${DUMP1090_MESSAGES_LOCAL_RRD} ]; then
+    if [[ `rrdinfo ${DUMP1090_MESSAGES_LOCAL_RRD} | grep -c "rra\[6\]\.rows = 1260"` -eq 1 ]] ; then
+        echo -e "\e[94m  Increasing weekly table size to 8 days in messages-local_accepted.rrd...\e[97m"
+        sudo rrdtool tune ${DUMP1090_MESSAGES_LOCAL_RRD} 'RRA#6:=1440' 'RRA#7:=1440' 'RRA#8:=1440'
+    fi
+fi
+
 ### SETUP COMPLETE
 
 # Return to the project root directory.
diff --git a/build/portal/graphs/dump1090.py b/build/portal/graphs/dump1090.py
index bf1c729..e54d191 100644
--- a/build/portal/graphs/dump1090.py
+++ b/build/portal/graphs/dump1090.py
@@ -91,14 +91,6 @@ def read_stats_1min(instance_name, host, url):
                    values = [stats['last1min']['local']['noise']],
                    interval = 60)
 
-        V.dispatch(plugin_instance = instance_name,
-                   host=host,
-                   type='dump1090_messages',
-                   type_instance='strong_signals',
-                   time=T(stats['last1min']['end']),
-                   values = [stats['last1min']['local']['strong_signals']],
-                   interval = 60)
-
 
 def read_stats(instance_name, host, url):
     try:
@@ -124,6 +116,15 @@ def read_stats(instance_name, host, url):
                        time=T(stats['total']['end']),
                        values = [counts[i]])
 
+        if stats['total']['local'].has_key('strong_signals'):
+            V.dispatch(plugin_instance = instance_name,
+                       host=host,
+                       type='dump1090_messages',
+                       type_instance='strong_signals',
+                       time=T(stats['total']['end']),
+                       values = [stats['total']['local']['strong_signals']],
+                       interval = 60)
+
     # Remote message counts
     if stats['total'].has_key('remote'):
         counts = stats['total']['remote']['accepted']
diff --git a/build/portal/graphs/make-collectd-graphs.sh b/build/portal/graphs/make-collectd-graphs.sh
index 94a700c..6094805 100755
--- a/build/portal/graphs/make-collectd-graphs.sh
+++ b/build/portal/graphs/make-collectd-graphs.sh
@@ -361,10 +361,10 @@ local_rate_graph() {
   "DEF:messages=$2/dump1090_messages-local_accepted.rrd:value:AVERAGE" \
   "DEF:strong=$2/dump1090_messages-strong_signals.rrd:value:AVERAGE" \
   "DEF:positions=$2/dump1090_messages-positions.rrd:value:AVERAGE" \
-  "CDEF:y2strong=strong,10,*" \
+  "CDEF:y2strong=strong,1.6666666666666,*" \
   "CDEF:y2positions=positions,10,*" \
   "LINE1:messages#0000FF:Messages Received" \
-  "AREA:y2strong#FF0000:Messages > -3dBFS / Hr (RHS)" \
+  "AREA:y2strong#FF0000:Messages > -3dBFS / 10min (RHS)" \
   "LINE1:y2positions#00c0FF:Positions / Hr (RHS)\c" \
   "COMMENT: \n" \
   --watermark "Drawn: $nowlit";
@@ -383,6 +383,7 @@ local_trailing_rate_graph() {
   --units-exponent 0 \
   --right-axis 360:0 \
   --slope-mode \
+  --pango-markup \
   "TEXTALIGN:center" \
   "DEF:messages=$2/dump1090_messages-local_accepted.rrd:value:AVERAGE" \
   "DEF:a=$2/dump1090_messages-local_accepted.rrd:value:AVERAGE:end=now-86400:start=end-86400" \
@@ -429,8 +430,13 @@ local_trailing_rate_graph() {
   "CDEF:gmax1=gmax,UN,0,gmax,IF" \
   "DEF:strong=$2/dump1090_messages-strong_signals.rrd:value:AVERAGE" \
   "DEF:positions=$2/dump1090_messages-positions.rrd:value:AVERAGE" \
-  "CDEF:y2strong=strong,10,*" \
+  "CDEF:y2strong=strong,1.6666666666666,*" \
   "CDEF:y2positions=positions,10,*" \
+  "VDEF:strong_total=strong,TOTAL" \
+  "VDEF:messages_total=messages,TOTAL" \
+  "CDEF:hundred=messages,UN,100,100,IF" \
+  "CDEF:strong_percent=strong_total,hundred,*,messages_total,/" \
+  "VDEF:strong_percent_vdef=strong_percent,LAST" \
   "SHIFT:a1:86400" \
   "SHIFT:b1:172800" \
   "SHIFT:c1:259200" \
@@ -471,7 +477,8 @@ local_trailing_rate_graph() {
   "AREA:maxarea#FFFF99:Min/Max:STACK" \
   "LINE1:7dayaverage#00FF00:7 Day Average" \
   "LINE1:messages#0000FF" \
-  "AREA:y2strong#FF0000:Messages > -3dBFS/Hr (RHS)" \
+  "AREA:y2strong#FF0000:Messages > -3dBFS/10min (RHS)\g" \
+  "GPRINT:strong_percent_vdef: (%1.1lf<span font='2'> </span>%% of messages)" \
   "LINE1:y2positions#00c0FF:Positions/Hr (RHS)\c" \
   --watermark "Drawn: $nowlit";
 }