condition mean min max 4 h after light 1.768805 1.39143 2.14618 8 h after light 1.9589750000000001 1.76466 2.15329 12 h after light 3.910735 3.54464 4.27683 4 h after dark 4.039776666666667 3.71115 4.55453 8 h after dark 2.8596133333333333 0.95042 4.4792 12 h after dark 2.7826133333333334 1.67453 4.55374