condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.7078223333333333 0.235237 1.04469 12 h after light 1.0374946666666667 0.554415 1.83057 4 h after dark 0.25523866666666667 0.0 0.765716 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0