condition mean min max 3 h after light 0.055544 0.0 0.166632 6 h after light 0.0 0.0 0.0 9 h after light 0.04979466666666666 0.0 0.149384 12 h after light 0.069174 0.0 0.276696 3 h after dark 0.07194666666666667 0.0 0.21584 6 h after dark 0.0 0.0 0.0 9 h after dark 0.08403533333333334 0.0 0.252106 12 h after dark 0.0661545 0.0 0.132309