condition mean min max 4 h after light 68.492793 64.482292 72.503294 8 h after light 48.549434000000005 45.324627 51.774241 12 h after light 46.078381500000006 41.654085 50.502678 4 h after dark 20.314259 17.735699 22.892819 8 h after dark 30.980998999999997 23.476345 38.485653 12 h after dark 87.902204 87.902204 87.902204