condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.07076233333333333 0.0 0.108561 9 h after light 0.033383 0.0 0.100149 12 h after light 0.025888 0.0 0.103552 3 h after dark 0.0 0.0 0.0 6 h after dark 0.06054266666666667 0.0 0.181628 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0