condition mean min max 4 h after light 70.906509 53.484347 88.328671 8 h after light 88.711682 78.15947 99.263894 12 h after light 86.3673505 85.062397 87.672304 4 h after dark 115.462207 90.591166 140.333248 8 h after dark 116.6914645 95.753693 137.629236 12 h after dark 97.462839 97.462839 97.462839