condition mean min max 2 h after light 4.529145 3.59668 6.10055 6 h after light 3.8629700000000002 0.0 8.74839 10 h after light 3.6774983333333333 0.0 7.16736 14 h after light 4.884898333333333 0.0 12.1509 18 h after light 7.43151 3.48191 11.1387 2 h after dark 5.026981666666667 2.06767 6.89055