condition mean min max 0 h after light 20.4131 19.9638 20.8624 4 h after light 12.918800000000001 11.6661 14.1715 8 h after light 9.283085 8.31767 10.2485 4 h after dark 10.215724999999999 9.27635 11.1551 8 h after dark 11.9139 10.4268 13.401 12 h after dark 15.269499999999999 11.0521 19.4869