condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.05515916666666667 0.0 0.330955 10 h after light 0.02549 0.0 0.15294 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0