condition mean min max 4 h after light 0.31582716666666666 0.0177445 0.559446 8 h after light 1.0859203333333334 0.106571 2.07526 12 h after light 0.511566 0.38225 0.589957 4 h after dark 0.8347669999999999 0.397892 1.13956 8 h after dark 0.734971 0.346517 1.31781 12 h after dark 0.6755706666666667 0.64455 0.730414