condition mean min max 0 h after light 0.914965 0.0 1.82993 2 h after light 0.440335 0.0 0.88067 4 h after light 0.0 0.0 0.0 8 h after light 1.763655 0.0 3.52731 12 h after light 0.0 0.0 0.0 2 h after dark 4.02521 0.0 8.05042 4 h after dark 2.65963 0.0 5.31926 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0