condition mean min max 3 h after light 5.833615 2.83827 9.55123 7 h after light 4.5993525 2.37235 6.65454 11 h after light 3.529285 2.01802 4.92563 2 h after dark 4.0691025 1.80633 7.46029 6 h after dark 5.612250833333333 3.81503 8.74226 10 h after dark 8.671055833333334 4.09946 17.4509