String weatherSentence = "";  // string to read data from the weather board
int ready = 0;                // used to mark when we have a complete string to process
char data;                    // use to read a byte from the serial 
char charArray[100];          // create a char 100 position char array por parsing the data

unsigned long humidity=0, fahrenheit=0, celcius=0, SCPfahrenheit=0, presure=0;

void setup() { 
  Serial1.begin(9600);        // starts the second hardware serial port at 9600 to communicate with the weather board 
  Serial.begin(9600);         // starts the serial at 9600 
  pinMode(48, OUTPUT);        // turn ON the board LED for diagnostics 
  digitalWrite(48, HIGH);     
} 

void loop() { 
  while(Serial1.available() > 0) {  // if data vailable from the weather board 
    data = Serial1.read();          // read it 
    if((data != '\n')) {            // if no end of line 
      weatherSentence += data;      // add it to the string
    } 
    else {  // if end of line reached, readu to parse the buffer 
      ready = 1; 
      break; 
    }  
  } 
  if(ready == 1) {                         // parse the buffer 
    if(weatherSentence.startsWith("#")) {  // verify if it is a good reading 
      // Serial.println(buffer);           // uncomment just to see what we got 
      weatherSentence.toCharArray(charArray, 100);  // get the characters copied into charArray of size 100
      processReading(charArray);           // parse the char array extracting the data 
    } 
    weatherSentence = "";                  // clean up the string for next reading 
    ready = 0; 
  } 
} 

// function that parses information received in a char array 
void processReading(const char packet[]) { 
  byte i; 
  char* endptr; 

  // start parsing 
  i = 0; 
  i++; 
  humidity = strtod(&packet[i], &endptr);       // next field: humidity 

  while(packet[i++] != ',');			// next field: fahrenheit	 
  fahrenheit = strtod(&packet[i], &endptr); 

  while(packet[i++] != ',');			// next field: celcius 
  celcius = strtod(&packet[i], &endptr);	 

  while(packet[i++] != ',');			// next field: SCPfahrenheit 
  SCPfahrenheit = strtod(&packet[i], &endptr);	 

  while(packet[i++] != ',');			// next field: presure 
  presure = strtod(&packet[i], &endptr);	 

  while(packet[i++] != ',');			// next field: counter 

  while(packet[i++] != '$');			// next field: checksum 

  Serial.print("humidity: "); 
  Serial.print(humidity, DEC); 
  Serial.print(" fahrenheit: "); 
  Serial.print(fahrenheit, DEC); 
  Serial.print(" celcius: "); 
  Serial.print(celcius, DEC); 
  Serial.print(" SCPfahrenheit: "); 
  Serial.print(SCPfahrenheit, DEC); 
  Serial.print(" presure: "); 
  Serial.println(presure, DEC); 
}