condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.071977 0.0 0.215931 9 h after light 0.31386933333333333 0.169897 0.539419 12 h after light 0.235552 0.22659 0.246437 3 h after dark 0.33239066666666667 0.248803 0.464008 6 h after dark 0.079606 0.0 0.238818 9 h after dark 0.08357583333333334 0.0 0.150742 12 h after dark 0.041023 0.0 0.123069