condition mean min max 3 h after light 1.127991 0.860763 1.28803 6 h after light 2.3392866666666667 1.86511 3.22437 9 h after light 4.245223333333334 3.89715 4.75737 12 h after light 3.5793074999999996 1.55063 4.29754 3 h after dark 3.07394 2.75219 3.25337 6 h after dark 3.3499533333333336 2.64306 3.89584 9 h after dark 2.5109133333333333 1.9289 2.82566 12 h after dark 1.7138 1.45738 1.97022