condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01866795 0.0 0.0373359 12 h after light 0.0 0.0 0.0 4 h after dark 0.010921233333333334 0.0 0.0327637 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0