condition mean min max 4 h after light 4782.941 4683.478 4890.767 8 h after light 7082.628333333333 6547.544 7786.806 12 h after light 3931.063 3023.425 4827.363 16 h after light 4340.216666666666 3891.7 5143.392 4 h after dark 6201.471666666666 5988.649 6577.74 8 h after dark 4336.503 3628.91 4760.325