var gt = "7.2";
gt = gt - 0.5;   // correction factor 
var hgt = "11.7";
var lgt = 7.2 - 0.5;
var thgt = " 0:04";
var tlgt = " 5:55";
var sl = "10.6";
var hsl = "10.6";
var thsl = " 0:00";
var lsl = 10.6;
var tlsl = " 0:00";
var thw = 5.6;
var itd = 8.2;
var ihum = 51;
var ws10 = 14.0;
var r2 = 11.7;
var sr = 11.7;
var mr = 84.8; 
var yr = 500.9;
var mlwc = -0.6;
var ylwc = -9.4;
var sd = "25/11/09";
var st = " 6:02";
var fc = " Clearing, cooler and windy. ";
var wa1 = "14.0";
var wa2 = "13.1";
var wa5 = "13.7";
var wa10 = "14.4";
var wh1 = "17.0";
var wh2 = "17.0";
var wh5 = "20.0";
var met2 = "0.23";
var mmet2 = "25.88";
var ymet2 = "744.19";