condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.05464433333333333 0.0 0.163933 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.09934966666666667 0.0 0.298049 12 h after dark 0.0 0.0 0.0