The shortest time he has spent at a lighthouse was five days, at the Santiago (Santiaochiao) lighthouse on the northeastern tip of Taiwan, while the longest period of time was for a full seven years on Mutouyu in Penghu.
黃清榮看守每座燈塔的期間有長有短，駐守期間最短的是台灣東北端三貂角燈塔五天，最長期間為澎湖目斗嶼燈塔，足足待了七年多。