To find out how many feet Crystal Blue Lake rose in 22 days, you can multiply the daily rise by the number of days:
\[ \text{Total rise} = \text{Daily rise} \times \text{Number of days} \]
Given that the daily rise is 15 feet and the number of days is 22:
\[ \text{Total rise} = 15 , \text{feet/day} \times 22 , \text{days} = 330 , \text{feet} \]
So, Crystal Blue Lake rose a total of 330 feet in 22 days.