diff --git a/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.cpp b/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.cpp
index bbd5dc2f7f..f46a8fed1b 100644
--- a/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.cpp
+++ b/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.cpp
@@ -32,9 +32,10 @@
 #include "cvfColor3.h"
 
 #include "qwt_date.h"
+#include "qwt_legend.h"
 #include "qwt_plot.h"
-#include "qwt_plot_zoneitem.h"
 #include "qwt_plot_zoomer.h"
+#include "qwt_symbol.h"
 
 #include <QBoxLayout>
 #include <QContextMenuEvent>
@@ -64,6 +65,9 @@ RiuFlowCharacteristicsPlot::RiuFlowCharacteristicsPlot(RimFlowCharacteristicsPlo
     this->setPalette(pal);
 
     m_lorenzPlot = new QwtPlot(this);
+    QwtLegend* legend = new QwtLegend(this);
+    m_lorenzPlot->insertLegend(legend, QwtPlot::BottomLegend);
+
     m_flowCapVsStorageCapPlot = new QwtPlot(this);
     m_sweepEffPlot = new QwtPlot(this);
 
@@ -118,29 +122,50 @@ void RiuFlowCharacteristicsPlot::setLorenzCurve(const std::vector<QDateTime>& da
     initializeColors(dateTimes);
 
     m_lorenzPlot->detachItems(QwtPlotItem::Rtti_PlotCurve, true); 
-    auto curve = createEmptyCurve(m_lorenzPlot, "Lorenz Coefficient", QColor(0, 0, 0));
-    curve->setSamplesFromDateAndValues(dateTimes, timeHistoryValues, false);
 
-    for ( size_t tsIdx = 0; tsIdx < dateTimes.size(); ++tsIdx )
+    for (size_t tsIdx = 0; tsIdx < dateTimes.size(); ++tsIdx)
     {
-        double currentTsValue = QwtDate::toDouble(dateTimes[tsIdx]);
+        if (timeHistoryValues[tsIdx] == HUGE_VAL) continue;
 
-        double minTsValue = currentTsValue;
-        if ( tsIdx > 0 ) minTsValue = 0.5 * (currentTsValue + QwtDate::toDouble(dateTimes[tsIdx-1]));
-        
-        double maxTsValue = currentTsValue;
-        if ( tsIdx < dateTimes.size()-1 ) maxTsValue = 0.5 * (currentTsValue + QwtDate::toDouble(dateTimes[tsIdx+1]));
+        QDateTime dateTime = dateTimes[tsIdx];
+        double timeHistoryValue = timeHistoryValues[tsIdx];
 
-        auto plotZone = new QwtPlotZoneItem();
-        plotZone->setOrientation(Qt::Vertical);
-        plotZone->setInterval(minTsValue, maxTsValue);
-        plotZone->setBrush(QBrush(m_dateToColorMap[dateTimes[tsIdx]]));
-        plotZone->attach(m_lorenzPlot);
+        QString curveName = dateTime.toString();
+
+        RiuFlowCharacteristicsPlot::addCurveWithLargeSymbol(m_lorenzPlot, curveName, m_dateToColorMap[dateTime], dateTime, timeHistoryValue);
     }
 
     m_lorenzPlot->replot();
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuFlowCharacteristicsPlot::addCurveWithLargeSymbol(QwtPlot* plot, const QString& curveName, const QColor& color, const QDateTime& dateTime, double timeHistoryValue)
+{
+    auto curve = createEmptyCurve(plot, curveName, color);
+
+    QwtSymbol::Style style = QwtSymbol::Diamond;
+    QwtSymbol* symbol = new QwtSymbol(style);
+
+    symbol->setSize(20, 20);
+    symbol->setColor(color);
+
+    curve->setSymbol(symbol);
+
+    // Add date and value twice to avoid a cross as symbol generated by RiuLineSegmentQwtPlotCurve
+
+    std::vector<QDateTime> dateTimes;
+    dateTimes.push_back(dateTime);
+    dateTimes.push_back(dateTime);
+
+    std::vector<double> timeHistoryValues;
+    timeHistoryValues.push_back(timeHistoryValue);
+    timeHistoryValues.push_back(timeHistoryValue);
+
+    curve->setSamplesFromDateAndValues(dateTimes, timeHistoryValues, false);
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.h b/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.h
index 0520c18a48..67797a1d9d 100644
--- a/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.h
+++ b/ApplicationCode/UserInterface/RiuFlowCharacteristicsPlot.h
@@ -70,6 +70,8 @@ protected:
 private:
     void                            setDefaults();
     void                            initializeColors(const std::vector<QDateTime>& dateTimes);
+    
+    static void                     addCurveWithLargeSymbol(QwtPlot* plot, const QString& curveName, const QColor& color, const QDateTime& dateTime, double timeHistoryValue);
 
 private:
     caf::PdmPointer<RimFlowCharacteristicsPlot> m_plotDefinition;