condition mean min max 4 h after light 4.226965 3.50187 4.95206 8 h after light 5.8538250000000005 5.10982 6.59783 12 h after light 11.0473 10.9345 11.1601 4 h after dark 15.325866666666666 14.1388 16.5052 8 h after dark 10.825963333333334 9.10097 13.4048 12 h after dark 5.59178 4.81795 6.86211