var gt = "16.7";
gt = gt - 0.5;   // correction factor 
var hgt = "17.8";
var lgt = 1.1 - 0.5;
var thgt = "10:57";
var tlgt = " 5:07";
var sl = "4.4";
var hsl = "4.4";
var thsl = " 0:00";
var lsl = 4.4;
var tlsl = " 0:00";
var thw = 7.0;
var itd = -0.5;
var ihum = 34;
var ws10 = 13.0;
var r2 = 0.0;
var sr = 0.0;
var mr = 13.5; 
var yr = 36.6;
var mlwc = -13.3;
var ylwc = -13.3;
var sd = "21/02/12";
var st = "11:06";
var fc = " Partly cloudy with little temperature change. ";
var wa1 = "13.0";
var wa2 = "14.1";
var wa5 = "14.3";
var wa10 = "13.4";
var wh1 = "18.0";
var wh2 = "20.0";
var wh5 = "21.0";
var met2 = "0.61";
var mmet2 = "16.87";
var ymet2 = "38.46";