                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                    F312-R       SAN JOSE CHANNEL ABOVE WORKMAN MILL RD                               RATING NO.   78-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1979

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       10.2       10.2       12.3        5.6      418.0      176.0       23.4       19.8       16.2       17.4       15.0       15.0
    2       10.2       11.0        8.6        6.3      226.0       21.7       22.2       29.8       18.6       16.2       16.2       15.0
    3        9.4       11.0        7.8        6.3       92.7       19.8       19.8       21.0       17.4       14.2       15.0       15.0
    4        9.4       10.2        7.8        7.0       55.4       18.6       18.6       22.2       17.4       16.2       16.2       13.4
    5        9.4       10.2        8.6      445.0       39.6       18.6       17.4       22.2       15.0       16.2       16.2       13.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         9.4       10.2        7.8      461.0       32.6       18.6       16.2       21.0       16.2       16.2       15.0       13.4
   7         9.4       10.2        7.8      461.0       32.6       18.6       16.2       21.0       16.2       16.2       15.0       13.4
   8        10.2        8.6        7.8       11.0       25.8       17.4       13.4       21.0       16.2       16.2       13.4       14.2
   9        10.2        9.4        7.8       18.1       25.8       17.4       13.4       19.8       16.2       15.0       12.6       14.2
   10        9.4       34.1        7.8       12.6       24.6       16.9       11.8       19.8       17.4       14.2       12.6       14.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        7.8       76.1        7.8       11.0       23.4       17.4       11.0       19.8       15.0       14.2       14.2       11.8
   12        7.0       19.7        8.6       11.0       22.2       16.2        9.3       19.8       15.0       16.2       16.2       12.6
   13        7.8       38.5       10.2       10.8       22.2       68.1        8.6       19.8       14.2       17.4       16.2       13.4
   14        9.4       10.2        9.4       52.6       64.2       19.8        7.8       19.8       14.2       16.2       14.2       13.4
   15        9.4        8.6        8.6      844.0       17.4       17.4        7.0       19.8       16.2       18.6       14.2       14.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        9.4        9.4       15.3       64.4       17.4       15.0        6.3       19.8       17.4       17.4       13.4       14.2
   17        7.8        9.4      684.0       32.8       17.4      140.0        7.0       19.8       17.4       16.2       13.4       14.2
   18        8.6        8.6      378.0       51.7       18.6      404.0       14.2       18.6       17.4       15.0       14.2       12.6
   19        7.8        8.6       59.7       50.1       19.8      475.0       22.2       18.6       15.0       15.0       15.0       11.8
   20       12.6        8.6       11.8       18.6       31.3       42.8       21.0       19.8       15.0       15.0       15.0       12.6

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        9.4      474.0        7.8       17.4      528.0       17.4       21.0       19.8       15.0       17.4       14.2       13.4
   22       10.2       40.9        7.8       17.4       45.8       16.2       21.0       18.6       16.2       16.2       13.4       15.0
   23        7.8       10.2        7.0       16.2      141.0       15.0       21.0       16.2       18.6       16.2       12.6       15.0
   24       10.2        8.5        7.0       16.2       19.8       14.2       21.0       17.4       17.4       15.0       12.6       14.2
   25       10.2       13.0        7.0       15.0       19.8       13.4       21.0       16.2       17.4       15.0       12.6       11.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       11.0        7.8        7.0       13.4       21.0       13.4       21.0       17.4       16.2       15.0       13.4       11.8
   27       11.8        8.6        7.0       13.4       21.0    1,440.0       21.0       17.4       16.2       14.2       13.4       11.8
   28       10.2        8.6        6.3       27.3       21.0      359.0       21.0       17.4       15.0       16.2       12.6       12.6
   29       10.2        7.8        6.3       14.2         .0       81.0       21.0       17.4       16.2       16.2       13.4       14.2
   30       16.5        8.6        6.3      223.0         .0       31.2       21.0       17.4       16.2       15.0       14.2       15.0
   31       10.2         .0        6.3    2,420.0         .0       25.8         .0       17.4         .0       15.0       13.4         .0

 ==========================================================================================================================================
 TOTAL     303.3      909.2    1,353.3    4,924.4    2,039.8    3,584.7      494.8      605.8       489.2      490.6      439.0     406.0
 MEAN        9.8       30.3       43.7      159.0       72.8      116.0       16.5       19.5       16.3       15.8       14.2       13.5
 MAX        16.5      474.0      684.0    2,420.0      528.0    1,440.0       23.4       29.8       18.6       18.6       16.2       15.0
 MIN         7.0        7.8        6.3        5.6       17.4       13.4        6.3       16.2       14.2       14.2       12.6       11.0

 ANNUAL DATA
 WTR YEAR 1979 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    31,815.1             16,040.1                         43.9                      2,420.0                          5.6

 INSTANTANEOUS DATA
 INST_MAXFLOW    7,330.0      INST_MAXTIME  0230            INST_MAXDATE  01/31/79
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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