condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.032868633333333334 0.0 0.0510973 9 h after light 0.03395106666666667 0.0 0.0559829 12 h after light 0.197567 0.0 0.332004 3 h after dark 0.485713 0.34884 0.585064 6 h after dark 0.3196271 0.0579283 0.499137 9 h after dark 0.5585616666666667 0.341685 0.751576 12 h after dark 0.1887694 0.0896608 0.287878