condition mean min max 0 h after light 6.129015000000001 5.39892 6.85911 4 h after light 5.38627 4.49288 6.27966 8 h after light 4.986325 4.15605 5.8166 4 h after dark 11.0966 7.2177 14.9755 8 h after dark 9.937180000000001 9.00716 10.8672 12 h after dark 6.057365 5.26483 6.8499