condition mean min max 2 h after light 0.37776299999999996 0.144998 0.765902 6 h after light 0.5953255 0.216725 0.872027 10 h after light 0.5359853333333333 0.25814 1.07614 14 h after light 0.6291625 0.26115 1.35659 18 h after light 0.6823026666666666 0.272696 0.965147 2 h after dark 0.717884 0.243535 1.19593