condition mean min max 4 h after light 0.6430705 0.479161 0.80698 8 h after light 0.775171 0.741291 0.809051 12 h after light 0.715113 0.568881 0.861345 4 h after dark 1.27501 1.17241 1.37376 8 h after dark 0.9111023333333333 0.845661 1.02326 12 h after dark 0.9312643333333334 0.788266 1.08894