condition mean min max 0 h after light 0.0766195 0.0 0.153239 2 h after light 0.0860215 0.0 0.172043 4 h after light 0.0 0.0 0.0 8 h after light 0.0788275 0.0 0.157655 12 h after light 0.076953 0.0 0.153906 2 h after dark 0.0 0.0 0.0 4 h after dark 0.1528535 0.0 0.305707 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0