condition mean min max 3 h after light 0.033639666666666665 0.0 0.100919 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.01584175 0.0 0.063367 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0404241 0.0 0.0808482