condition mean min max 4 h after light 0.8691070000000001 0.752425 0.985789 8 h after light 0.1950095 0.184312 0.205707 12 h after light 6.21771 6.1153 6.32012 4 h after dark 74.28219999999999 72.5529 76.0115 8 h after dark 11.70405 11.3223 12.0858 12 h after dark 2.9032150000000003 2.26494 3.54149