#include <DHT.h>
#define DHTPIN 14 // what pin we're connected to
#define DHTTYPE DHT22 // DHT 22 (AM2302)
#define ntemp 10
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor
float temperature_c[ntemp]; // Stores Celcius temperature value
static int measurement_counter = 0;
float getMin()
{
  float result = temperature_c[0];
  for (int i = 1; i < ntemp; i++)
  {
    if (temperature_c[i] < result)
    {
      result = temperature_c[i];
    }
  }
  return result;
}
float getMax()
{
  float result = temperature_c[0];
  for (int i = 1; i < ntemp; i++)
  {
    if (temperature_c[i] > result)
    {
      result = temperature_c[i];
    }
  }
  return result;
}
float getAvg()
{
  float result = 0.0;
  for (int i = 0; i < ntemp; i++)
  {
    result = result + temperature_c[i];
  }
  return (result / ntemp);
}
float getStdv()
{
  float avg = getAvg();
  float deviation = 0.0;
  float sumsqr = 0.0;
  for (int i = 0; i < ntemp; i++)
  {
    deviation = temperature_c[i] - avg;
    sumsqr = sumsqr + sq(deviation);
  }
  float variance = sumsqr / ntemp;
  return sqrt(variance);
}
void initialisation()
{
  for (int i = 0; i < ntemp; i++)
  {
    temperature_c[i] = 0.0;
  }
}
void addCounter()
{
  measurement_counter = measurement_counter + 1;

  if (measurement_counter >= ntemp)
  {
    printProcessedData();
    resetCounter();
  }
}
void resetCounter()
{
  measurement_counter = 0;
}
void addReading(float t)
{
  temperature_c[measurement_counter] = t;
  addCounter();
}
void printProcessedData()
{
  Serial.print("Min: ");
  Serial.print(getMin());
  Serial.print(", Max: ");
  Serial.print(getMax());
  Serial.print(", Avg: ");
  Serial.print(getAvg());
  Serial.print(", Stdev: ");
  Serial.println(getStdv());
}


void setup() {
 // put your setup code here, to run once:
 Serial.begin(115200);
 dht.begin();
}
void loop() {
 // put your main code here, to run repeatedly:
 //Print temp and humidity values to serial monitor
 int i=0;
 
 for (i=0;i<10;i++)
 {
 
temperature_c[i]=dht.readTemperature(DHTTYPE); // Stores Celcius temperature value
 Serial.println(" %, Temperature C: ");
 Serial.print(temperature_c[i]);
 Serial.print(" Celsius");
 delay(10000);

 }
  printProcessedData();

}