condition mean min max 12pM Fe,Midday 71.433 71.433 71.433 12pM Fe,Midnight 78.2723 73.3531 83.1915 58pM Fe,Midday 82.6862 82.6862 82.6862 58pM Fe,Midnight 67.31737142857143 0.0 94.6062 233pM Fe,Midnight 79.36016666666667 77.4223 80.4391 1160pM Fe,Midday 88.00785714285715 77.9912 92.5005 1160pM Fe,Midnight 56.85183333333333 47.1267 66.4788 High carbon,Dark 73.46284 20.8628 163.262 High carbon,Light 77.17531461538461 4.49629 160.052 Low carbon,Dark 87.9696 87.9696 87.9696 Phloroglucinol 59.43983333333333 52.6883 65.8081 Silicon starvation,12h 107.104 107.104 107.104