diff --git a/Teensy4.1_Datalogger new.ino b/Teensy4.1_Datalogger new.ino
index 0e4270f..35ae16e 100644
--- a/Teensy4.1_Datalogger new.ino	
+++ b/Teensy4.1_Datalogger new.ino	
@@ -196,6 +196,7 @@ private:
     float wind_summ = 0;
     int values[60];
     int saved_minutes = 0;
+    int saved_seconds = 0;                                                                                          
 
 public:
     void measure() {
@@ -203,11 +204,13 @@ public:
         wind_sec = map(analogRead(Windfahne), 0, 1023, 20, 350);
         digitalWrite(power_Windfahne, LOW);
         wind_summ += wind_sec;
+        saved_seconds++;                                                                                      
     }
     void calculate() {
-        values[saved_minutes] = wind_summ;
+        values[saved_minutes] = wind_summ / saved_seconds;
         wind_summ = 0;
         saved_minutes++;
+        saved_seconds = 0;                                                                                      
     }
     void file_print() {
         for (int i = 0; i < saved_minutes; i++) {