The model run results cover the period May 12 through June 1, and are based on the following assumptions:

Common Assumptions

1. CCFB Gates are operating to Priority 1 throughout the forecast period.
2. The Delta Cross Channel gates will be open for the periods of 1000 hour May 22 through May 26 at 1000 hour and 1000 hour May 30 through June 1 at 1000 hour, and will be closed for the remainder of the forecast period.
3.  Suisun Marsh salinity control flashboards are installed, and the three Suisun Marsh Salinity Control Gates are in tidal operation through May 27. The flashboards will be removed and the three Suisun Marsh Salinity Control Gates will be in open position on May 28.
4. The Middle River ag. Barrier was installed on May 8, 2018 with all 6-culvert flap-gates tied open. As of May14 five of the culvert flap-gates will be in tidal operation and one will be in open position.
5. The Old River at Tracy ag. barrier is scheduled to be installed on May 23 with all 9 flap-gates tidally operated. 
6. The Grant Line Canal ag. barrier is scheduled to be installed on May 30 with all 6-culvert flap-gates tidally operated.
7.  San Joaquin River flow at Vernalis is at 1511 cfs at the beginning of the forecast period and is estimated to decrease to 1500 cfs by the end of the forecast period.
8. San Joaquin River EC at Vernalis is estimated to increase from 390 umhos/cm at the beginning of the forecast period to 395 umhos/cm by the end of the forecast period.
9.  Sacramento River flow at Freeport is at 8921 cfs at the beginning of the forecast period and is expected to decrease to 8300 cfs by the end of the forecast period.
10. CCFB is at 592 cfs at the beginning of the forecast period and is expected to increase to  600 cfs by the end of the forecast period. 
11. Export at Jones Pumping Plant is at 954 cfs at the beginning of the forecast period and is expected to be at 900 cfs by the end of the forecast period.