condition mean min max 0 h after light 5.959585000000001 5.95427 5.9649 4 h after light 5.17783 3.52235 6.83331 8 h after light 3.1896899999999997 2.23232 4.14706 4 h after dark 7.741135 7.44832 8.03395 8 h after dark 7.808495000000001 7.34536 8.27163 12 h after dark 6.13461 5.57184 6.69738