condition mean min max 0 h after light 0.955535 0.71745 1.19362 4 h after light 1.247498 0.729726 1.76527 8 h after light 1.0191265 0.944723 1.09353 4 h after dark 2.52551 2.4618 2.58922 8 h after dark 2.8332499999999996 2.82136 2.84514 12 h after dark 1.0002305 0.834411 1.16605