condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.05880366666666667 0.0 0.176411 9 h after light 0.029929833333333333 0.0 0.0897895 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0