condition mean min max 4 h after light 708.937 674.909 742.965 8 h after light 1084.65 1061.8 1107.5 12 h after light 1074.955 1052.65 1097.26 4 h after dark 223.8795 190.264 257.495 8 h after dark 117.05799999999999 116.999 117.117 12 h after dark 244.10750000000002 241.286 246.929