myLogger.debug("pPPF: " + pPPF);
    public void shine(float pPPF) {        myTotalPPF += pPPF;        myNumberOfPPFReadings++;        myAveragePPF = myTotalPPF / myNumberOfPPFReadings;        if (!canopyClosed)        	myCanopyClosurePPFValues.add(pPPF);        myLogger.debug("pPPF: " + pPPF);    }