condition mean min max 2 h after light 0.015745833333333334 0.0 0.0498041 6 h after light 0.01877835 0.0 0.0744408 10 h after light 0.0 0.0 0.0 14 h after light 0.007873316666666666 0.0 0.0472399 18 h after light 0.015743983333333333 0.0 0.0530253 2 h after dark 0.0120817 0.0 0.0724902