condition mean min max 4 h after light 0.036527 0.0 0.109581 8 h after light 0.022462966666666667 0.0 0.0568245 12 h after light 0.06386423333333334 0.0 0.0986519 4 h after dark 0.018357166666666667 0.0 0.0550715 8 h after dark 0.015281099999999999 0.0 0.0458433 12 h after dark 0.0 0.0 0.0