condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0613395 0.0 0.122679 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0582875 0.0 0.116575 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0