                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                    F312-R       SAN JOSE CHANNEL ABOVE WORKMAN MILL RD                               RATING NO.   69-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1977

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       12.7       10.0       11.3       25.7       14.0        9.0       11.3        8.0        8.0        7.0        5.0        5.0
    2       12.7        9.0        8.0      126.0       12.7       11.3       12.7        5.0        8.0        6.0        4.0        5.0
    3       14.0       11.3       10.0      475.0       11.3       11.3       11.3        4.0        9.0        6.0        8.0        7.0
    4       14.0       11.3       10.0       22.0       11.3       11.3       11.3        6.0        8.0        7.0        6.0        8.1
    5       14.0       10.0       11.3      248.0       11.3       11.3        9.0        8.0        8.0        6.0        9.0        9.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6        12.7       10.0        9.0      368.0       11.3       11.3       11.3        7.0        7.0        6.0       11.3        8.0
   7        12.7       10.0        9.0      368.0       11.3       11.3       11.3        7.0        7.0        6.0       11.3        8.0
   8        11.3       10.0       10.0       14.0       12.7       12.7       12.7      585.0        7.0        4.0        9.0        6.0
   9        10.0       11.3        8.0       12.7       12.7       12.7       12.7      546.0        8.0        5.0        9.0        7.0
   10       11.3       11.3        9.0       12.7       12.7       10.0       12.7       18.0        7.0        5.0       10.0        8.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11       12.7       12.7       11.3       11.3       11.3       10.0       11.3       10.0        8.0        5.0       10.0        8.0
   12       11.3      298.0       11.3       12.7       12.7       11.3       11.3       11.3        8.0        5.0        9.0        8.0
   13       12.7       16.6       10.0       11.3       11.3       11.3       10.0        9.0        7.0        4.0        7.0        7.0
   14       14.0       15.3       10.0       11.3       11.3       11.3       10.0        9.0        8.0        3.0        8.0        6.0
   15       14.0       16.6       11.3       11.3       11.3       10.0        9.0        9.0        7.0        3.0        8.0        7.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16       14.0       14.0       11.3       11.3       10.0      185.0       10.0       10.0        8.0        5.0       26.9        7.0
   17       14.0        9.0       10.0       10.0       10.0       19.5       10.0        9.0        6.0        5.0      816.0        9.0
   18       14.0       10.0       12.7       11.3        9.0       12.7        9.0        9.0        8.0        5.0        5.5        8.0
   19       12.7       11.3       11.3       10.0        9.0       10.0        7.0        8.0       10.0        4.0        4.0        8.0
   20       12.7       10.0       12.7       13.6       11.3       11.3        8.0        9.0        9.0        4.0        5.0        6.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21       12.7       11.3        9.0       40.4        9.0       11.3        6.0        7.0        7.0        5.0        6.0        7.0
   22       79.9       11.3        8.0       11.3       11.3        9.0        7.0       10.0        7.0        5.0        7.0        6.0
   23       29.9       10.0        9.0       11.3       38.6        9.0        9.0       37.9        8.0        7.0        5.0        9.0
   24       11.3       11.3       11.3       12.7      215.0       13.6       10.0       29.3        7.0        7.0        7.0        9.0
   25       12.7       10.0       11.3       15.1       14.0      233.0        9.0       11.3       10.0        4.0        7.0        9.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       11.3       10.0       11.3       24.8       11.3       23.9        6.0       10.0        8.0        4.0        6.0        9.0
   27       12.7       10.0       11.3       11.3       11.3       11.3        8.0       10.0        7.0        4.0        3.0       10.0
   28       11.3       10.0       10.0       12.7       12.7        8.0        9.0       10.0        8.0        7.0        8.0        9.0
   29       11.3       10.0       10.0       11.3         .0        9.0        9.0        9.0        8.0        6.0        5.0       10.0
   30       11.3       10.0      396.0       11.3         .0       10.0        9.0        9.0        7.0        3.0        8.0        9.0
   31       10.0         .0      177.0       12.7         .0       10.0         .0        9.0         .0        6.0        6.0         .0

 ==========================================================================================================================================
 TOTAL     471.9      621.6      871.7    1,796.1      553.1      754.1      295.3    1,439.8       234.0      157.0    1,050.0     231.1
 MEAN       15.2       20.7       28.1       57.9       19.8       24.3        9.8       46.4        7.8        5.1       33.9        7.7
 MAX        79.9      298.0      396.0      475.0      215.0      233.0       12.7      585.0       10.0        7.0      816.0       10.0
 MIN        10.0        9.0        8.0       10.0        9.0        8.0        6.0        4.0        6.0        3.0        3.0        5.0

 ANNUAL DATA
 WTR YEAR 1977 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    16,811.3              8,475.7                         23.2                        816.0                          3.0

 INSTANTANEOUS DATA
 INST_MAXFLOW    3,580.0      INST_MAXTIME  0829            INST_MAXDATE  08/17/77
 INST_MINFLOW        1.0      INST_MINTIME  0000            INST_MINDATE

