condition mean min max 12pM Fe,Midday 24.834 24.834 24.834 12pM Fe,Midnight 47.8193 45.2704 50.3682 58pM Fe,Midday 43.8223 43.8223 43.8223 58pM Fe,Midnight 48.26687142857143 34.3499 53.9415 233pM Fe,Midnight 62.43613333333333 61.8634 62.7282 1160pM Fe,Midday 47.958371428571425 39.5055 54.4009 1160pM Fe,Midnight 71.72575833333333 37.0261 93.5151 High carbon,Dark 66.39814666666666 27.6622 118.533 High carbon,Light 49.48983076923077 17.813 96.8176 Low carbon,Dark 98.5667 98.5667 98.5667 Phloroglucinol 71.1788 45.7019 90.8657 Silicon starvation,12h 137.725 137.725 137.725