condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.012902433333333333 0.0 0.0387073 12 h after dark 0.0223624 0.0 0.0453826