condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04229535 0.0 0.0845907 12 h after light 0.065425 0.0 0.13085 4 h after dark 0.0 0.0 0.0 8 h after dark 0.057326666666666665 0.0 0.17198 12 h after dark 0.1178647 0.0 0.269232