condition mean min max 12pM Fe,Midday 50.194 50.194 50.194 12pM Fe,Midnight 29.08685 27.7617 30.412 58pM Fe,Midday 34.8875 34.8875 34.8875 58pM Fe,Midnight 20.58385714285714 0.0 28.1675 233pM Fe,Midnight 13.112066666666667 10.7325 14.8315 1160pM Fe,Midday 26.12044285714286 24.8272 27.6081 1160pM Fe,Midnight 14.461108333333334 11.7255 16.5434 High carbon,Dark 27.670880666666665 2.53651 48.3659 High carbon,Light 26.519294615384617 6.73503 46.3833 Low carbon,Dark 16.3127 16.3127 16.3127 Phloroglucinol 19.427666666666667 15.0427 24.3841 Silicon starvation,12h 23.4265 23.4265 23.4265