condition mean min max 3 h after light 0.3664733333333334 0.0 1.09942 6 h after light 0.36927 0.0 1.10781 9 h after light 0.4867633333333334 0.0 1.46029 12 h after light 0.0 0.0 0.0 3 h after dark 0.4490533333333333 0.0 1.34716 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0