condition mean min max 4 h after light 156.49742600000002 149.224334 163.770518 8 h after light 105.2344425 97.77529 112.693595 12 h after light 84.0214325 82.83575 85.207115 4 h after dark 54.760703 33.21491 76.306496 8 h after dark 52.845039 16.624596 89.065482 12 h after dark 186.775163 186.775163 186.775163