condition mean min max 4 h after light 396.948178 371.413685 422.482671 8 h after light 513.6433675 474.232057 553.054678 12 h after light 491.20215199999996 429.47994 552.924364 4 h after dark 733.7077625000001 480.080344 987.335181 8 h after dark 570.973921 501.24874 640.699102 12 h after dark 475.691881 475.691881 475.691881