condition mean min max 4 h after light 1.3322779999999999 0.496126 2.16843 8 h after light 2.435645 1.87492 2.99637 12 h after light 3.241855 2.81869 3.66502 4 h after dark 3.1023899999999998 2.89879 3.23336 8 h after dark 1.6073166666666667 1.29836 1.76804 12 h after dark 0.7970986666666666 0.613225 0.988825