condition mean min max 12pM Fe,Midday 34.4292 34.4292 34.4292 12pM Fe,Midnight 17.7641 15.345 20.1832 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 6.384958571428571 0.0 16.6049 233pM Fe,Midnight 13.322700000000001 12.1957 15.3153 1160pM Fe,Midday 14.248962857142857 3.93472 32.5332 1160pM Fe,Midnight 18.36422 0.0 45.3894 High carbon,Dark 532.3613306666666 0.0 5994.7 High carbon,Light 142.82361538461538 0.0 602.879 Low carbon,Dark 23.977 23.977 23.977 Phloroglucinol 544.946 214.461 995.056 Silicon starvation,12h 27.9845 27.9845 27.9845