condition mean min max 0 h after light 0.0743165 0.0 0.148633 2 h after light 0.0345781 0.0 0.0691562 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.07227955 0.0708695 0.0736896