condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.06382366666666667 0.0 0.191471 9 h after light 0.476919 0.189668 1.03131 12 h after light 0.1925215 0.0 0.59236 3 h after dark 0.072617 0.0 0.217851 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