Table 4. Water loss and need of LuAC (unit: tons)

Class	Apr.	May	Jun.	Jul.	Aug.	Sept.	Oct.
Loss	150.7	142.9	176.8	174.5	153.4	132.1	108.2
Need	669.0	702.9	700.6	679.5	693.3	658.2	634.3