condition mean min max 12pM Fe,Midday 82.7511 82.7511 82.7511 12pM Fe,Midnight 55.7732 49.6452 61.9012 58pM Fe,Midday 63.3734 63.3734 63.3734 58pM Fe,Midnight 69.95985714285715 45.2563 172.029 233pM Fe,Midnight 22.69236666666667 20.3988 25.6167 1160pM Fe,Midday 48.810657142857146 44.1333 53.2428 1160pM Fe,Midnight 22.258241666666667 15.6672 30.8549 High carbon,Dark 34.24551733333333 1.53398 68.168 High carbon,Light 33.95117153846154 8.06455 73.418 Low carbon,Dark 40.1043 40.1043 40.1043 Phloroglucinol 8.246186666666667 5.45831 10.7081 Silicon starvation,12h 26.1571 26.1571 26.1571