condition mean min max 4 h after light 428.26369950000003 399.462826 457.064573 8 h after light 429.954636 401.398636 458.510636 12 h after light 483.92321549999997 480.233896 487.612535 4 h after dark 477.116817 458.924364 495.30927 8 h after dark 471.7532995 471.073486 472.433113 12 h after dark 464.559442 464.559442 464.559442