diff --git a/Statistics/LocalSettings.cs b/Statistics/LocalSettings.cs
index 827a4d289..ee29efb4b 100644
--- a/Statistics/LocalSettings.cs
+++ b/Statistics/LocalSettings.cs
@@ -250,13 +250,13 @@ namespace Statistics
             {
                 "SERVER=10.42.130.69; DATABASE=st-wr10-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.129.27; DATABASE=st-wr11-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
-                "SERVER=10.42.128.61; DATABASE=st-wr13-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
-                "SERVER=10.42.130.72; DATABASE=st-wr14-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
+                "SERVER=10.42.130.52; DATABASE=st-wr13-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
+                "SERVER=10.42.128.61; DATABASE=st-wr14-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.130.71; DATABASE=st-wr15-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.130.165; DATABASE=st-wr18-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.128.159; DATABASE=st-wr19-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.130.76; DATABASE=st-wr20-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
-                "SERVER=10.42.128.201; DATABASE=st-wr21-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
+                "SERVER=10.42.130.156; DATABASE=st-wr21-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
                 "SERVER=10.42.130.131; DATABASE=iperlspecial-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",
             };
 
diff --git a/Statistics/StatisticsDlg.cs b/Statistics/StatisticsDlg.cs
index 4d89f5a41..5f0ced3f6 100644
--- a/Statistics/StatisticsDlg.cs
+++ b/Statistics/StatisticsDlg.cs
@@ -88,19 +88,21 @@ namespace Statistics
 
             for (int i = 0; i < Program.LocalSettings.ConnectionStrings.Length; i++)
             {
-                if (!string.IsNullOrEmpty(Program.LocalSettings.GetConnectionString(i)))
+                string connStr = Program.LocalSettings.GetConnectionString(i);
+
+                if (!string.IsNullOrEmpty(connStr))
                 {
-                    sessionFactories[i] = null;
                     try
                     {
                         sessionFactories[i] = Fluently.Configure()
-                                                      .Database(MySQLConfiguration.Standard.ConnectionString(Program.LocalSettings.GetConnectionString(i)))
+                                                      .Database(MySQLConfiguration.Standard.ConnectionString(connStr))
                                                       .Mappings(m => m.FluentMappings.AddFromAssemblyOf<Results.Entities.Batch>())
                                                       .ExposeConfiguration(BuildSchema)
                                                       .BuildSessionFactory();
                     }
                     catch (Exception)
                     {
+                        sessionFactories[i] = null;
                         MessageBox.Show(string.Format("Cannot open one of database of {0}", Program.LocalSettings.GetBenchName(i)), "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);                
                     }
                 }
diff --git a/Statistics/UserControls/StatisticsCtrl.cs b/Statistics/UserControls/StatisticsCtrl.cs
index a2f06bdbe..d876757d5 100644
--- a/Statistics/UserControls/StatisticsCtrl.cs
+++ b/Statistics/UserControls/StatisticsCtrl.cs
@@ -1,8 +1,10 @@
 ///
-/// Copyright (c) 2018 Sensus Slovensko a.s.
+/// Copyright (c) 2018-2020 Sensus Slovensko a.s.
 ///
 using System;
 using System.Collections.Generic;
+using System.IO;
+using System.Text;
 using System.Windows.Forms;
 using System.Windows.Forms.DataVisualization.Charting;
 using Results.Entities;
@@ -10,10 +12,24 @@ using Statistics.Resources;
 
 namespace Statistics.UserControls
 {
+    class DataPoint
+    {
+        public DateTime StartTime;
+        public double RefError;
+
+        public DataPoint(DateTime startTime, double refError)
+        {
+            StartTime = startTime;
+            RefError = refError;
+        }
+    }
+
+
     public partial class StatisticsCtrl : UserControl
     {
         public int Id;								/// Index of the tab page
         public MidOrWaterMetersCtrl MidCtrl;    /// Reference to the parent control
+        IList<DataPoint> currentData;
 
         public StatisticsCtrl()
         {
@@ -21,6 +37,7 @@ namespace Statistics.UserControls
             chart1.ChartAreas[0].AxisX.LabelStyle.Format = "dd.MM.yy";
             chart1.ChartAreas[0].AxisX.Interval = 1;
             chart1.ChartAreas[0].AxisX.IntervalType = DateTimeIntervalType.Days;
+            currentData = new List<DataPoint>();
         }
 
         private void updateButton_Click(object sender, EventArgs e)
@@ -36,6 +53,8 @@ namespace Statistics.UserControls
 
                 if (results != null)
                 {
+                    currentData.Clear();
+
                     foreach (var r in results)
                     {
                         if (r.ErrorMaster != 0)
@@ -45,6 +64,7 @@ namespace Statistics.UserControls
                                 if (MidCtrl.IsFlowEnabled(i) && (MidCtrl.FlowFrom(i) <= r.FlowMean) && (r.FlowMean <= MidCtrl.FlowTo(i)))
                                 {
                                     chart1.Series[string.Format("Flow {0}", i)].Points.AddXY(r.StartTime, r.ErrorMaster);
+                                    currentData.Add(new DataPoint(r.StartTime, r.ErrorMaster));
                                 }
                             }
                         }
@@ -56,7 +76,21 @@ namespace Statistics.UserControls
 
         private void exportButton_Click(object sender, EventArgs e)
         {
+            SaveFileDialog dlg = new SaveFileDialog();
+            dlg.Filter = "CSV files (*.csv)|*.csv|All files (*.*)|*.*";
 
+            if (dlg.ShowDialog() == DialogResult.OK)
+            {
+                using (TextWriter writer = new StreamWriter(dlg.FileName))
+                {
+                    foreach (var d in currentData)
+                    {
+                        writer.WriteLine("{0:dd.MM.yyyy HH:mm}; {1}", d.StartTime, d.RefError);
+                    }
+                }
+
+                MessageBox.Show(string.Format("Data written to file {0}", dlg.FileName));
+            }
         }
     }
 }