condition mean min max 0 h after light 4.678554999999999 4.42667 4.93044 4 h after light 6.983285 6.44556 7.52101 8 h after light 15.198 13.9676 16.4284 4 h after dark 13.63675 11.9243 15.3492 8 h after dark 8.254175 7.48377 9.02458 12 h after dark 5.16048 4.4593 5.86166