<?php
// define the positions of commonly used values in the array

define ('WINDSPEED',1);
define ('WINDDIRECTION',3);
define('TEMPERATURE',4);
define('BAROMETER',6);
define('TIMEHH',29);
define ('TIMEMM',30);
define('STATION',32);
define('SUMMARY',49);

function degree_to_compass_point($d){
   $dp = $d + 11.25;
   $dp = $dp % 360;
   $dp = floor($dp / 22.5) ;
   $points = array("N","NNE","NE","ENE","E","ESE","SE" ,"SSE" ,"S", "SSW","SW","WSW","W", "WNW","NW","NNW","N");
   $dir = $points[$dp];
   return $dir;
 };

?>