condition mean min max 12pM Fe,Midday 35.9665 35.9665 35.9665 12pM Fe,Midnight 33.91615 32.7283 35.104 58pM Fe,Midday 33.5929 33.5929 33.5929 58pM Fe,Midnight 52.3855 28.9325 177.578 233pM Fe,Midnight 42.36496666666667 39.198 45.8297 1160pM Fe,Midday 17.075342857142857 14.8016 22.5436 1160pM Fe,Midnight 39.25694166666666 24.3771 56.4972 High carbon,Dark 71.67793333333333 36.4007 113.488 High carbon,Light 61.59721923076923 2.70665 145.277 Low carbon,Dark 32.469 32.469 32.469 Phloroglucinol 32.43026666666667 13.2643 52.4113 Silicon starvation,12h 54.8544 54.8544 54.8544