Total Mead/Powell storage headed for lowest level since Powell first filled

Ever the journalist in search of gloomy extremes, I just noticed that total storage in Lake Mead and Lake Powell, the two largest reservoirs used to manage flows on the Colorado River, is currently forecast (USBR pdf here) to end the current water year at its lowest level since 1968, when Powell, the uppermost reservoir behind Glen Canyon Dam, was first being filled:

Mead/Powell storage

Mead/Powell storage

Data here