condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.07838466666666667 0.0 0.235154 12 h after light 0.2373316666666667 0.0 0.711995 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.153994 0.0 0.461982 12 h after dark 0.0 0.0 0.0