condition mean min max 12pM Fe,Midday 43.9813 43.9813 43.9813 12pM Fe,Midnight 39.12715 38.7417 39.5126 58pM Fe,Midday 34.0267 34.0267 34.0267 58pM Fe,Midnight 34.27397142857143 23.3143 81.8575 233pM Fe,Midnight 22.527633333333334 20.6502 25.8068 1160pM Fe,Midday 27.758442857142857 25.8929 29.5353 1160pM Fe,Midnight 11.856675833333334 8.06874 14.0682 High carbon,Dark 20.130352 7.4146 38.4201 High carbon,Light 15.71583846153846 1.0845 34.2465 Low carbon,Dark 16.0897 16.0897 16.0897 Phloroglucinol 19.478066666666667 15.4393 22.9048 Silicon starvation,12h 39.4358 39.4358 39.4358