condition mean min max 2 h after light 0.5068926666666667 0.0 1.34541 6 h after light 0.32266 0.0 0.888317 10 h after light 0.0802005 0.0 0.254474 14 h after light 0.086466 0.0 0.281862 18 h after light 0.3979451666666667 0.0 0.661223 2 h after dark 0.1264525 0.0 0.43252