condition mean min max 4 h after light 0.0260683 0.0 0.0521366 8 h after light 0.03562745 0.0 0.0712549 12 h after light 0.0 0.0 0.0 4 h after dark 0.03907 0.0 0.11721 8 h after dark 0.06943300000000001 0.0 0.208299 12 h after dark 0.06386410000000001 0.0 0.143052