//This is a funciton that computes the average temp per day and for the month
//Written by Ben Hogan and Diana Moore

#include <iostream.h>
#include <iomanip.h>
#include <fstream.h>


void temperature (ofstream outfile)
{
	//declares these identifiers
	float temp, avg, sum, time, avgmon, tottemp;  
	int loop_count, day, jday, errtotal, findays;
	ifstream temp_file;   //declaring temp_file


	temp_file.open("89381099.txt"); //opens racerrock1099 to read in info

	//initilize variables
	tottemp = 0;  
	day = 0;
	
	temp_file.ignore(100,'\n');  //ignores first 2 lines file
	temp_file.ignore(100,'\n');
	
	outfile<<"Day"<<"   "<<"Average Temp in °C"<<"    "<<"errors (out of 144)"<>jday;	//reads in jday
	while (temp_file)   //loops till end of file
	{
		//initilize variables
		loop_count = 1;  
		errtotal = 0;
		sum = 0;

		while (loop_count <= 144)		//loops 144 times
		{
			temp_file>>time>>temp;		//reads in time and temp
			temp_file.ignore(50,'\n');  //ignores rest of line
		
			if (temp != 444.0)       //if then statement to find sum and number of errors	
				sum = sum + temp;
			else
				errtotal = errtotal + 1;
		
			loop_count++;			//adds one to loopcount
			temp_file >>jday;		//reads in jday
		
		}							//end of loop
	
		findays = 144 - errtotal;	//computes number of days that the temp was recorded
		avg = sum / findays;		//computes average
		tottemp = tottemp + avg;    //computes the total temperature
		day = day + 1;				//value for day
		avgmon = tottemp / day;		//finds the average temp for the month
		
		outfile<< setiosflags (ios::showpoint | ios::fixed);  //sets precision to 2
		outfile<< setprecision (2); 
		outfile<< setw(2) << day << setw(15) << avg << setw(19) << errtotal << endl;  //displays values
	
	}								//end of loop
	
	
	outfile << "\n\n";
	outfile << "The average temp. for the month is " << avgmon << " °C."<< endl; //displays average temp for month
}