Here's a problem to solve: A student is watching a local television weather report for Gloucester, Massachusetts. Which of the following is most likely included in this weather report?

Among the 4 following options, which is the correct answer?

- A: the speed of currents in a river
 
- B: the amount of moisture in the air
 
- C: the depth of currents in the ocean
 
- D: the level of moisture in the ground
 