condition mean min max 0 h after light 0.03141105 0.0 0.0628221 4 h after light 0.1878895 0.128022 0.247757 8 h after light 0.2531015 0.186458 0.319745 4 h after dark 0.061943 0.0 0.123886 8 h after dark 0.09332945 0.0618719 0.124787 12 h after dark 0.09342305000000001 0.0613711 0.125475