condition mean min max 0 h after light 356.4615 351.652 361.271 4 h after light 402.916 396.46 409.372 8 h after light 435.1195 429.269 440.97 4 h after dark 481.8215 465.675 497.968 8 h after dark 479.0715 457.659 500.484 12 h after dark 430.7695 411.121 450.418