diff --git a/Wetterstation/Form1.cs b/Wetterstation/Form1.cs
index 52365b05c1f4d3a27fe6a7d0e46555bb65e585cf..2df4e07659e41ae5aa8bd6b58a47c1440daec107 100644
--- a/Wetterstation/Form1.cs
+++ b/Wetterstation/Form1.cs
@@ -195,10 +195,10 @@ namespace Wetterstation
                     if (result[4] == null) windSpeed = 0;
                     else windSpeed = result[4];
 
-                    cartesianChart1.Series[0].Values.Add(temp);
+                    cartesianChart1.Series[0].Values.Add(Math.Round(temp, 1));
                     cartesianChart1.Series[1].Values.Add(humidity);
                     cartesianChart1.Series[2].Values.Add(pressure);
-                    cartesianChart1.Series[3].Values.Add(windSpeed);
+                    cartesianChart1.Series[3].Values.Add(Math.Round(windSpeed, 1));
                 }
                 graphLastTimestamp = weatherData["results"][0]["series"][0]["values"][96][0].ToString();
             }
@@ -220,10 +220,10 @@ namespace Wetterstation
                     if (weatherData["results"][0]["series"][0]["values"][96][4] == null) windSpeed = 0;
                     else windSpeed = weatherData["results"][0]["series"][0]["values"][96][4];
 
-                    cartesianChart1.Series[0].Values.Add(temp);
+                    cartesianChart1.Series[0].Values.Add(Math.Round(temp, 1));
                     cartesianChart1.Series[1].Values.Add(humidity);
                     cartesianChart1.Series[2].Values.Add(pressure);
-                    cartesianChart1.Series[3].Values.Add(windSpeed);
+                    cartesianChart1.Series[3].Values.Add(Math.Round(windSpeed, 1));
                     
                     graphLastTimestamp = weatherData["results"][0]["series"][0]["values"][96][0].ToString();
                 }