From the California water reporting page of several days ago, this was one of the dams whose intake greatly exceeded the outflow while being close to capacity.
From the Cal Dept of Water Resources website. Data as of midnight last night.
Current Storage: 2,022,273 AF
•100% of Total Capacity
•142% of Historical Avg. For This Date
•(Total Capacity: 2,030,000 AF)
•(Avg. Storage for Feb 21: 1,429,106 AF)