diff --git a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleCurveSet.cpp b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleCurveSet.cpp
index bee72a7a5a..81faa8ffaa 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleCurveSet.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleCurveSet.cpp
@@ -1055,7 +1055,7 @@ void RimEnsembleCurveSet::updateStatisticsCurves( const std::vector<RimSummaryCa
             else
                 statCases = group->allSummaryCases();
         }
-        m_ensembleStatCase->calculate( statCases );
+        m_ensembleStatCase->calculate( statCases, m_statistics->includeIncompleteCurves() );
     }
 
     RimSummaryPlot* plot = nullptr;
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.cpp b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.cpp
index 85664b4d98..43fb09566e 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.cpp
@@ -43,6 +43,8 @@ RimEnsembleStatistics::RimEnsembleStatistics()
     CAF_PDM_InitField( &m_showP90Curve, "ShowP90Curve", true, "P10", "", "", "" ); // Yes, P10
     CAF_PDM_InitField( &m_showMeanCurve, "ShowMeanCurve", true, "Mean", "", "", "" );
     CAF_PDM_InitField( &m_showCurveLabels, "ShowCurveLabels", true, "Show Curve Labels", "", "", "" );
+    CAF_PDM_InitField( &m_includeIncompleteCurves, "IncludeIncompleteCurves", false, "Include Incomplete Curves", "", "", "" );
+
     CAF_PDM_InitField( &m_warningLabel, "WarningLabel", QString( "Warning: Ensemble time range mismatch" ), "", "", "", "" );
     CAF_PDM_InitField( &m_color, "Color", cvf::Color3f( cvf::Color3::BLACK ), "Color", "", "", "" );
 
@@ -100,7 +102,7 @@ void RimEnsembleStatistics::fieldChangedByUi( const caf::PdmFieldHandle* changed
 {
     if ( changedField == &m_active || changedField == &m_basedOnFilteredCases || changedField == &m_showP10Curve ||
          changedField == &m_showP50Curve || changedField == &m_showP90Curve || changedField == &m_showMeanCurve ||
-         changedField == &m_showCurveLabels || changedField == &m_color )
+         changedField == &m_showCurveLabels || changedField == &m_color || changedField == &m_includeIncompleteCurves )
     {
         auto curveSet = parentCurveSet();
         if ( !curveSet ) return;
@@ -129,6 +131,7 @@ void RimEnsembleStatistics::defineUiOrdering( QString uiConfigName, caf::PdmUiOr
     uiOrdering.add( &m_active );
     uiOrdering.add( &m_hideEnsembleCurves );
     uiOrdering.add( &m_basedOnFilteredCases );
+    uiOrdering.add( &m_includeIncompleteCurves );
     uiOrdering.add( &m_showCurveLabels );
     uiOrdering.add( &m_color );
 
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.h b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.h
index c373e2a063..9a20dd769a 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.h
+++ b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatistics.h
@@ -72,6 +72,11 @@ public:
         return m_color;
     }
 
+    bool includeIncompleteCurves() const
+    {
+        return m_includeIncompleteCurves;
+    }
+
     void disableP10Curve( bool disable );
     void disableP50Curve( bool disable );
     void disableP90Curve( bool disable );
@@ -93,6 +98,7 @@ private:
     caf::PdmField<bool> m_showP90Curve;
     caf::PdmField<bool> m_showMeanCurve;
     caf::PdmField<bool> m_showCurveLabels;
+    caf::PdmField<bool> m_includeIncompleteCurves;
 
     caf::PdmField<QString> m_warningLabel;
 
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.cpp b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.cpp
index 29330e1c9f..928b28ebb2 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.cpp
@@ -117,12 +117,16 @@ const RimEnsembleCurveSet* RimEnsembleStatisticsCase::curveSet() const
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-void RimEnsembleStatisticsCase::calculate( const std::vector<RimSummaryCase*>& sumCases )
+void RimEnsembleStatisticsCase::calculate( const std::vector<RimSummaryCase*>& sumCases, bool includeIncompleteCurves )
 {
     auto inputAddress = m_curveSet->summaryAddress();
     if ( m_statisticsReader && inputAddress.isValid() )
     {
-        calculate( validSummaryCases( sumCases, inputAddress ), inputAddress );
+        const std::vector<RimSummaryCase*>& validCases = validSummaryCases( sumCases,
+                                                                            inputAddress,
+                                                                            includeIncompleteCurves );
+
+        calculate( validCases, inputAddress, includeIncompleteCurves );
     }
 }
 
@@ -130,7 +134,8 @@ void RimEnsembleStatisticsCase::calculate( const std::vector<RimSummaryCase*>& s
 ///
 //--------------------------------------------------------------------------------------------------
 void RimEnsembleStatisticsCase::calculate( const std::vector<RimSummaryCase*> sumCases,
-                                           const RifEclipseSummaryAddress&    inputAddress )
+                                           const RifEclipseSummaryAddress&    inputAddress,
+                                           bool                               includeIncompleteCurves )
 {
     std::vector<time_t>              allTimeSteps;
     std::vector<std::vector<double>> caseAndTimeStepValues;
@@ -147,7 +152,7 @@ void RimEnsembleStatisticsCase::calculate( const std::vector<RimSummaryCase*> su
             std::vector<double>        values;
             reader->values( inputAddress, &values );
 
-            if ( timeSteps.size() != values.size() ) continue;
+            if ( !includeIncompleteCurves && timeSteps.size() != values.size() ) continue;
 
             RiaTimeHistoryCurveResampler resampler;
             resampler.setCurveData( values, timeSteps );
@@ -216,7 +221,8 @@ void RimEnsembleStatisticsCase::clearData()
 ///
 //--------------------------------------------------------------------------------------------------
 std::vector<RimSummaryCase*> RimEnsembleStatisticsCase::validSummaryCases( const std::vector<RimSummaryCase*> allSumCases,
-                                                                           const RifEclipseSummaryAddress& inputAddress )
+                                                                           const RifEclipseSummaryAddress& inputAddress,
+                                                                           bool includeIncompleteCurves )
 {
     std::vector<RimSummaryCase*>                             validCases;
     std::vector<std::tuple<RimSummaryCase*, time_t, time_t>> times;
@@ -248,8 +254,13 @@ std::vector<RimSummaryCase*> RimEnsembleStatisticsCase::validSummaryCases( const
         time_t          firstTimeStep = std::get<1>( item );
         time_t          lastTimeStep  = std::get<2>( item );
 
-        if ( firstTimeStep == minTimeStep && lastTimeStep == maxTimeStep )
+        if ( firstTimeStep == minTimeStep )
         {
+            if ( !includeIncompleteCurves && lastTimeStep != maxTimeStep )
+            {
+                continue;
+            }
+
             validCases.push_back( sumCase );
         }
     }
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.h b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.h
index 3e3ebf54a1..348de9f3f4 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.h
+++ b/ApplicationCode/ProjectDataModel/Summary/RimEnsembleStatisticsCase.h
@@ -65,14 +65,17 @@ public:
 
     const RimEnsembleCurveSet* curveSet() const;
 
-    void                            calculate( const std::vector<RimSummaryCase*>& sumCases );
+    void calculate( const std::vector<RimSummaryCase*>& sumCases, bool includeIncompleteCurves );
     RiaEclipseUnitTools::UnitSystem unitSystem() const;
 
 private:
-    void calculate( const std::vector<RimSummaryCase*> sumCases, const RifEclipseSummaryAddress& inputAddress );
-    void clearData();
+    void                         calculate( const std::vector<RimSummaryCase*> sumCases,
+                                            const RifEclipseSummaryAddress&    inputAddress,
+                                            bool                               includeIncompleteCurves );
+    void                         clearData();
     std::vector<RimSummaryCase*> validSummaryCases( const std::vector<RimSummaryCase*> allSumCases,
-                                                    const RifEclipseSummaryAddress&    inputAddress );
+                                                    const RifEclipseSummaryAddress&    inputAddress,
+                                                    bool                               includeIncompleteCurves );
 
 private:
     std::unique_ptr<RifEnsembleStatisticsReader> m_statisticsReader;