condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04078933333333334 0.0 0.122368 12 h after light 0.02695763333333333 0.0 0.0808729 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