condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.07593966666666667 0.0 0.252242 10 h after light 0.0 0.0 0.0 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