condition mean min max 4 h after light 0.805392 0.602174 1.00861 8 h after light 0.8662455 0.715741 1.01675 12 h after light 1.482665 1.48252 1.48281 4 h after dark 2.4346633333333334 2.00585 3.06424 8 h after dark 2.0252966666666667 1.85984 2.35364 12 h after dark 1.2532 1.02933 1.61266