condition mean min max 3 h after light 4.652973333333334 1.42493 7.51434 6 h after light 2.0170653333333335 0.736906 3.94399 9 h after light 1.486065 0.729965 2.31534 12 h after light 2.03512975 0.759929 3.71819 3 h after dark 1.74899 1.0547 2.3058 6 h after dark 2.4236133333333334 0.41771 4.49898 9 h after dark 2.252047666666667 0.572693 4.33558 12 h after dark 1.0616915 0.830333 1.29305