condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.05182666666666667 0.0 0.15548 12 h after light 0.0 0.0 0.0 4 h after dark 0.127005 0.0 0.381015 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0