Function long LOS()
Cross check for unlikely long LOS
needs detail, just parking here for now.
Accept DtTm field Arrive DtTm field Dispo DtTm field
meanLOS3STD as provided by Julie
Cross check for unlikely long LOS
needs detail, just parking here for now.
Accept DtTm field Arrive DtTm field Dispo DtTm field
meanLOS3STD as provided by Julie