condition mean min max 4 h after light 11.4935875 11.250479 11.736696 8 h after light 12.4716155 11.074471 13.86876 12 h after light 13.357418500000001 11.074471 15.640366 4 h after dark 12.512191999999999 10.024386 14.999998 8 h after dark 10.0098545 9.704198 10.315511 12 h after dark 11.074471 11.074471 11.074471