condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.4027833333333333 0.0 1.20835 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.6429466666666667 0.0 1.92884 9 h after dark 0.0 0.0 0.0 12 h after dark 1.57623 0.0 4.72869