condition mean min max 0 h after light 0.15429 0.0 0.30858 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.07593 0.0 0.15186 8 h after dark 0.457615 0.303372 0.611858 12 h after dark 0.2256875 0.0 0.451375