```ts
export function kettleHold(readings: number[], target: number): number {
    let count = 0;
    for (let i = readings.length - 1; i >= 0; i--) {
        if (readings[i] >= target) {
            count++;
        } else {
            break; // Stop counting once we find a reading below the target
        }
    }
    return count;
}
```