var h2=7.762; var t2=-1.0;var dp=-24.4;
 var t1=1.9;var h1=0.597;
 lapserate=(Math.round((100*(t2-t1)/(h2-h1))))/100;
lapseratemetric=(Math.round((100*(t2-t1)/(h2-h1)/.3048)))/100;
liftedindex=(Math.round(10*(t2-(dp))))/10;