condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.005331133333333334 0.0 0.0159934 9 h after light 0.0159142 0.0143773 0.0175226 12 h after light 0.003668075 0.0 0.0146723 3 h after dark 0.039523133333333335 0.0181977 0.0545906 6 h after dark 0.0 0.0 0.0 9 h after dark 0.029051166666666666 0.0 0.0470484 12 h after dark 0.0 0.0 0.0