condition mean min max 2 h after light 0.17148016666666666 0.0 0.341987 6 h after light 0.1743835 0.0 0.489068 10 h after light 0.311787 0.0 0.496422 14 h after light 0.08508366666666667 0.0 0.181768 18 h after light 0.25446783333333334 0.0 0.58557 2 h after dark 0.13768 0.0 0.376854