The figure below represents a catchment area with the precipitations observed in a year. The mean precipitation calculated by using the Thiessen polygon method is __________.
1
14.46 cm
2
11.28 cm
3
13.45 cm
4
12.33 cm
The figure below represents a catchment area with the precipitations observed in a year. The mean precipitation calculated by using the Thiessen polygon method is __________.