The following observations were taken on a 1.0-m diameter land pan from 8 a.m. to 5 p.m. Precipitation during the observation period = 15 mm Leakage from the pan = 1.51 Quantity of water added to keep...

The following observations were taken on a 1.0-m diameter land pan from 8 a.m. to 5 p.m.
Precipitation during the observation period = 15 mm
Leakage from the pan = 1.51
Quantity of water added to keep the level constant = 4.01
Find the rate of evaporation.