condition mean min max 4 h after light 7.79163 4.38603 12.8127 8 h after light 7.491723333333333 2.80824 11.1147 12 h after light 14.575556666666667 8.04367 19.0909 4 h after dark 16.707900000000002 15.6902 18.3838 8 h after dark 13.43127 9.55111 18.0 12 h after dark 12.456900000000001 10.7276 13.9822