condition mean min max 0 h after light 12.1597 10.904 13.4154 2 h after light 23.25955 20.2863 26.2328 4 h after light 10.12041 9.16152 11.0793 8 h after light 20.075249999999997 17.6286 22.5219 12 h after light 29.087600000000002 28.4498 29.7254 2 h after dark 38.18165 24.0554 52.3079 4 h after dark 23.574150000000003 20.1993 26.949 8 h after dark 17.146050000000002 14.0166 20.2755 12 h after dark 9.78576 9.59485 9.97667