condition mean min max 0 h after light 67.96085 67.1509 68.7708 4 h after light 73.0119 59.1544 86.8694 8 h after light 213.579 197.64 229.518 4 h after dark 220.871 172.875 268.867 8 h after dark 141.07999999999998 132.545 149.615 12 h after dark 70.35315 59.3385 81.3678