condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.066451 0.0 0.132902 4 h after light 0.0 0.0 0.0 8 h after light 0.0305629 0.0 0.0611258 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0