condition mean min max 0 h after light 0.0638235 0.0 0.127647 4 h after light 0.0649155 0.0 0.129831 8 h after light 0.0639418 0.063031 0.0648526 4 h after dark 0.0312855 0.0 0.062571 8 h after dark 0.15739399999999998 0.12655 0.188238 12 h after dark 0.314656 0.311191 0.318121