condition mean min max 4 h after light 35.110281 29.175139 41.045423 8 h after light 26.902763 22.745545 31.059981 12 h after light 45.160151 24.81344 65.506862 4 h after dark 38.0526175 24.786791 51.318444 8 h after dark 20.124372 10.728628 29.520116 12 h after dark 75.299899 75.299899 75.299899