Through the given bar charts, we can precieve the information about the precipitation rate in 1980 and 2000, which was measured in hot desert climate grasslands.
Overall, the precipitation amount in 1980 is considerably more than in 2000 as the precipitation rate drastically decreased between that period of time. In 1980, the lowest value of the precipitation is approximately around 150 mm and in 2000 it is 47 mm, while the highest value is roughly 53 mm in 2000 and in 1980 it is above 300 mm.
Within these two decedes, the precipitation rate dropped severely about 250 mm in March, as it can be seen as the highest subside throughout the year.
Furthermore, in 1980, the rainfall rate is the highest in March, April and May. Whereas, in 2000 it rains in July, August and November the most.
In 2000, the rainfall mass is fluctuating irregularly, however in 1980 it is quiet opposite, the mass is increasing and decreasing regularly throughout the year.