condition mean min max 3 h after light 642.069 600.619 704.132 6 h after light 389.9306666666667 367.914 426.987 9 h after light 224.473 210.706 240.103 12 h after light 210.299 117.218 457.592 3 h after dark 101.32586666666667 94.6442 109.843 6 h after dark 178.28933333333333 166.528 200.682 9 h after dark 258.923 237.029 286.662 12 h after dark 425.578 404.685 446.471