condition mean min max 4 h after light 248.017421 199.539749 296.495093 8 h after light 242.5902825 232.518467 252.662098 12 h after light 206.223549 180.061195 232.385903 4 h after dark 300.27115449999997 209.843122 390.699187 8 h after dark 211.92548 151.565887 272.285073 12 h after dark 232.385903 232.385903 232.385903