condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.04559033333333334 0.0 0.136771 9 h after light 0.0 0.0 0.0 12 h after light 0.050224 0.0 0.150672 3 h after dark 0.107033 0.0 0.166321 6 h after dark 0.03947833333333333 0.0 0.118435 9 h after dark 0.04459066666666667 0.0 0.133772 12 h after dark 0.0 0.0 0.0