condition mean min max 4 h after light 4.5164999999999994e-09 1.63e-10 8.87e-09 8 h after light 3.01e-09 2.42e-09 3.6e-09 12 h after light 1.6825e-09 1.35e-10 3.23e-09 4 h after dark 1.2033333333333333e-09 4.58e-10 2.47e-09 8 h after dark 5.976666666666666e-09 1.65e-09 1.34e-08 12 h after dark 5.401999999999999e-09 1.86e-10 1.5e-08