C++ help with output

#include<iostream>
#include<fstream>
#include<iomanip>

const int NO_OF_MONTHS = 12;
const int rows = 12;	 //make # of rows/cols a constant int
const int cols = 2;


using namespace std;

void getData( int listTemp[rows][cols]);
void averageHigh( int listTemp[rows][cols]);
void averageLow(int listTemp[rows][cols]);
void indexHighTemp(int listTemp[rows][cols]);
void indexLowTemp( int listTemp[cols][cols]);

ifstream infile;

int main()
{
		
	
  //  ofstream outfile;
	double average;
	int listTemp[rows][cols];
	
	
	infile.open("data.txt"); //open infile
	
	   if (!infile)
    {
               cout << "Error opening data.txt " << endl;
               return 1;
    }

	
   cout<<fixed<<showpoint;   //result will be able to show decimal points
   cout<<setprecision(2);
	
	
	
	getData(listTemp);	 //call functions
	averageHigh(listTemp);
	averageLow(listTemp);
	indexHighTemp(listTemp);
	indexLowTemp(listTemp);
	
	
	  
	infile.close();

	
	system("pause");
	return 0;
	
}

	void getData(int listTemp[rows][cols])
	{													 //read data in both arrays
	
			 int x;
			 int j;
			// ifstream infile;

						 
			 
			 for (x=0; x < rows; x++)
			 {
				 for( j=0; j<cols; j++)
				 {
					  
			 infile >> listTemp[x][j] >> listTemp[x][j];
			 

		   
					 
		   }
		   }
}
	void averageHigh ( int listTemp[rows][cols]) 
	{
			int x=1;		 
			int Sum = 0;								//read first column and find the average
			double Average;							//from the highs	   
			
			
			 for (x=0; x < rows; x++)
			 {
			 Sum = listTemp[x][0] + Sum;			
			// Average = Sum/x;			 
			 }
	   // Average = Sum/12;
		
		Average = Sum/x;
		
	   
	   
		cout << "Average high for the year: " << Average << endl<<endl;
		
		  
		}
		
	void averageLow ( int listTemp[rows][cols])
	 {
	 int Sum = 0;											//read the second column and find the
	 double Average;	   
									  //average of the lows	   
	 
			 for (int x=0; x < rows; x++)
			 {
			 Sum = listTemp [x][1] + Sum;
			 }
			 //  Average = Sum/12;
			 
			 Average = Sum/12;
	 
			 cout << "Average low for the year: " << Average << endl<<endl;
	 }
	 
	 
		
	void indexHighTemp ( int listTemp[rows][cols])
	 {
	 int highestIndex = 0;  
		
														//find highest in the "high" column					  
	 for(int x = 0; x < rows; x++)
	 {
	  if(listTemp[0][x] > highestIndex)
	  highestIndex = listTemp[0][x];
			 
	 }
	 cout << "The index high temperature is " << highestIndex <<endl<<endl;

	 }
	 
	void indexLowTemp ( int listTemp[rows][cols])
	 {
	 int lowestIndex = 0;	  
							  //find the lowest in the low column
	 
	 for(int x = 0; x < rows; x++)

	 {
		  if(lowestIndex > listTemp[0][x])
		  lowestIndex = listTemp[0][x];
			 
	 }		
	 cout << "The index low temperature is " << lowestIndex << endl<<endl;
	 }