integer beginrun
beginrun = modelstartdate(1)/10000
if ( beginargos .eq. beginrun ) then
argosrec = ( beginrun - beginargos - 1)*nmonthyear +
if ( beginargot .eq. beginrun ) then
argotrec = ( beginrun - beginargot - 1)*nmonthyear +
if ( begintmi .eq. beginrun ) then
tmirec = ( beginrun - begintmi - 1)*nmonthyear +