condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.04032203333333333 0.0 0.159844 10 h after light 0.0135992 0.0 0.0815952 14 h after light 0.05684516666666667 0.0 0.341071 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0