private void analyzeData(Sheet sheet, int rowNum, int cellNum) {
		int oldRow;
		if(timtBucket.equals(TimeBucket.AM))
			oldRow = rowNum - 3;
		else
			oldRow = rowNum - 1;
		
		double oldNumInt = 0;
		double newNumInt = 0;
		
		for (int i = 1; i < cellNum; i++) {
			Cell oldCell = sheet.getRow(oldRow).getCell(i);
			Cell newCell = sheet.getRow(rowNum).getCell(i);
			if(oldCell != null)
				oldNumInt = readData(oldCell.getCellType(), oldCell);
			if(newCell != null)
				newNumInt = readData(newCell.getCellType(), newCell);
			if (oldNumInt - newNumInt > 30 || oldNumInt - newNumInt < -30) {
				writeLogText(sheet, i, oldNumInt - newNumInt);
			}
		}
	}