To find the range of a dataset, you subtract the smallest value from the largest value.
From the provided rainfall amounts:
- The largest value is 26.51.
- The smallest value is 4.16.
Now, calculate the range:
\[ \text{Range} = \text{Largest value} - \text{Smallest value} = 26.51 - 4.16 = 22.35 \]
Thus, the range of this dataset is 22.35 (rounded to the nearest hundredth).