The percentage of reduction is high for the temperature data while quite less for other parameters. The
reason is that the temperature values are close to each other and they vary only by a few decimal points.
The performance of the reduced table is measured by using the number of queries that it can answer when
compared to that of the original dataset. It is observed that when the complexity of the query increases,
there are some differences in the number of queries answered with the original data set and the reduced
data set