condition mean min max 4 h after light 99.60819 99.60819 99.60819 8 h after light 108.351122 94.394761 122.307483 12 h after light 91.352904 79.910874 102.794934 4 h after dark 93.204827 86.801464 99.60819 8 h after dark 119.305589 111.384407 127.226771 12 h after dark 84.283949 84.283949 84.283949