Locum CRNAs Needed at a Hospital in Yakima, Washington. Day, Night, Weekend coverage needed. 8, 10 & 12-hour shifts. Standard schedule: Day: 7:00 AM–7:00 PM (flexible). Night: 7:00 PM–7:00 AM (flexible). Schedule varies depending on gaps in coverage. 12-hour shifts required on weekends & holidays. Diverse Case MIx.