condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.062766 0.0 0.188298 9 h after light 0.0 0.0 0.0 12 h after light 0.04157375 0.0 0.166295 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.10492833333333333 0.0 0.314785 12 h after dark 0.0 0.0 0.0