condition mean min max 12pM Fe,Midday 77.1882 77.1882 77.1882 12pM Fe,Midnight 61.1748 57.503 64.8466 58pM Fe,Midday 57.4637 57.4637 57.4637 58pM Fe,Midnight 43.27941428571429 0.0 55.4512 233pM Fe,Midnight 33.85856666666667 32.5126 35.1673 1160pM Fe,Midday 50.10135714285714 46.1639 53.1404 1160pM Fe,Midnight 27.064475 20.8035 33.9637 High carbon,Dark 81.89078 22.6741 260.322 High carbon,Light 80.82866153846155 31.7161 259.283 Low carbon,Dark 44.4224 44.4224 44.4224 Phloroglucinol 46.02986666666666 38.1364 56.5494 Silicon starvation,12h 65.1024 65.1024 65.1024