condition mean min max 3 h after light 539.37375 434.404 725.413 7 h after light 535.69075 432.858 693.109 11 h after light 568.278 410.654 713.752 2 h after dark 563.2855833333333 446.962 681.924 6 h after dark 501.819 390.608 639.168 10 h after dark 444.4091666666667 364.908 580.261