condition mean min max 4 h after light 0.069557 0.0 0.139114 8 h after light 0.075476 0.0 0.150952 12 h after light 0.0 0.0 0.0 4 h after dark 0.061028 0.0 0.122056 8 h after dark 0.0301471 0.0 0.0602942 12 h after dark 0.0 0.0 0.0