condition mean min max 3 h after light 1.1273106666666666 0.349472 1.9483 6 h after light 1.3551766666666667 0.57717 2.41509 9 h after light 1.126854 0.822062 1.31499 12 h after light 1.5150035 0.952324 2.14295 3 h after dark 1.0972743333333335 0.722393 1.32172 6 h after dark 1.2388293333333333 0.657768 1.81549 9 h after dark 0.784018 0.598071 0.933837 12 h after dark 0.9397774999999999 0.708935 1.17062