condition mean min max 4 h after light 65.54716 47.052491 84.041829 8 h after light 96.3994035 85.951364 106.847443 12 h after light 104.6418035 81.316065 127.967542 4 h after dark 102.737999 100.859324 104.616674 8 h after dark 99.587817 83.893372 115.282262 12 h after dark 55.364243 55.364243 55.364243