The model run results cover the period
April 13 through May 3 and are based on the following assumptions:

Common Assumptions

1. CCFB Gates are operating to Priority 1
through the end of the forecast period.

2. The Delta Cross Channel gates are
closed.

3.
Suisun Marsh salinity control flashboards are in, and 2 of the Suisun
Marsh Salinity Control gates are in tidal operation and 1 gate is closed for
maintenance.

4. San Joaquin River flow at Vernalis is
at 1175 cfs at the beginning of the forecast period and is estimated to
decrease to 1050 cfs by the end of the forecast period.

5. San Joaquin River EC at Vernalis is at
590 umhos/cm at the beginning of the forecast period and is estimated to
increase at 594 umhos/cm at the end of the forecast period.

6. Sacramento River flow at Freeport is
at 8747 cfs at the beginning of the forecast period and is expected to decrease
to 7800 cfs by the end of the forecast period.

7. CCFB inflow is at 699 cfs at the
beginning of the forecast period and is expected to decrease to 100 cfs by the
end of the forecast period.

8. Export at Jones Pumping Plant is at
806 cfs at the beginning of the forecast period and is expected to decrease to
400 cfs by the end forecast period.