condition mean min max 3 h after light 409.315 407.178 412.501 6 h after light 581.528 490.038 656.234 9 h after light 593.6946666666666 586.875 605.153 12 h after light 504.335 317.177 599.506 3 h after dark 432.268 362.577 482.392 6 h after dark 309.082 291.029 333.728 9 h after dark 260.77633333333335 238.362 279.851 12 h after dark 259.6615 226.433 292.89