condition mean min max 2 h after light 0.009187966666666667 0.0 0.0551278 6 h after light 0.007052633333333333 0.0 0.0423158 10 h after light 0.007868133333333334 0.0 0.0472088 14 h after light 0.0 0.0 0.0 18 h after light 0.0477311 0.0 0.229341 2 h after dark 0.0 0.0 0.0