                                                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 1978

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        8.0        7.0        3.5       13.4        8.6    2,610.0       32.7       19.8        9.4       11.0       11.8       11.8
    2        8.0        7.0        6.3       12.6        8.6    1,140.0       38.0       17.4        8.6       11.0       10.2       12.6
    3        8.0        7.0        6.3       47.0        8.6      135.0       19.8       16.2        9.4       11.0       11.0       12.6
    4        8.0        8.0        7.8      944.0        8.6    2,740.0       42.2       15.0       10.2       11.0       10.2       12.6
    5        7.0       27.5        7.8       40.0      131.0      883.0       19.8       16.2       10.2       10.2       11.8      188.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         5.0       13.0        7.0      201.0       42.0      119.0       64.3       15.0        7.8       10.2       13.4       47.4
   7         5.0       13.0        7.0      201.0       42.0      119.0       64.3       15.0        7.8       10.2       13.4       47.4
   8         9.0       10.0        8.6       13.4      401.0       45.8       25.8       15.0        9.4        9.4       11.0       18.6
   9        10.0       10.0        7.8      371.0    2,250.0       32.6       21.0       15.0        9.4       11.0       11.8       15.0
   10        9.0       10.0        8.6      879.0      901.0       28.4       19.8       14.2       11.8       11.8       11.8       13.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        8.0       11.3        9.4       21.0       24.6       80.7       18.6       13.4       11.0       11.0       12.6       11.0
   12        8.0       10.0        8.6       11.0    1,020.0       33.2       18.6       12.6       10.2       11.0       12.6       10.2
   13        8.0       10.0        7.0        9.4      149.0       24.6       18.6       12.6        9.4       10.2       11.8       10.2
   14        9.0       11.3        6.3      864.0       15.0       24.6       17.4       12.6        8.8        9.4       11.8       10.2
   15        9.0       10.0        7.0      509.0       11.0       23.4      223.0       12.6        9.4       11.0       10.2       10.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        9.0       10.0        7.8    1,120.0       10.2       22.2       29.7       12.6        9.4       10.2       10.2       10.2
   17        9.0       10.0       81.5       57.1        8.6       21.0       19.8       12.6       10.2        8.6       10.2       11.0
   18        7.0       10.0      233.0       13.4        7.0       21.0       17.4       11.8       10.2        9.4       10.2       11.0
   19        9.0       11.3       11.0      120.0        7.0       21.0       17.4       11.0        9.4        9.4       11.0       10.2
   20        9.0       10.0        7.8       11.8        6.3       21.0       17.4       11.8        8.6        9.4       11.0       10.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21       10.0        9.0       17.6       10.2        7.0       36.3       17.4       11.8        8.6       10.2       10.2        9.4
   22        9.0        9.0        9.4        9.4        6.3      328.0       17.4       11.8        9.1       10.2        9.4        8.6
   23       10.0        9.0       22.8        8.6        6.3       23.4       17.4       11.8        9.6       11.0        8.6       10.2
   24       10.0       10.0       10.2        7.0        6.3       21.0       16.2       10.2       10.2       10.2       10.2       11.0
   25        8.0        9.0       52.3        8.6        6.3       21.0       17.4       11.0       11.0        8.6       11.8        9.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        9.0        9.0      832.0        8.6        6.3       19.8       16.2       11.0       11.0        9.4       11.0        7.8
   27        8.0        9.0      117.0        7.8       24.4       19.8       16.2       11.0       11.0       11.0       11.0        8.6
   28        9.0        9.0    1,330.0        8.6    1,040.0       21.0       16.2       11.0       11.0       11.8       11.0        7.8
   29        9.0        8.0       36.5        8.6         .0       21.0       17.4       10.2       11.0       13.4        9.4        8.6
   30        9.0        9.0       26.3        8.6         .0       35.3       17.4        9.4       11.0       14.2       10.2        9.4
   31       10.0         .0       13.4       11.0         .0      140.0         .0       11.0         .0       13.4       11.0         .0

 ==========================================================================================================================================
 TOTAL     265.0      303.4    2,918.4    5,371.4    6,499.0    8,775.8      976.5      402.6       295.7      329.0      341.0     549.4
 MEAN        8.5       10.1       94.1      173.0      232.0      283.0       32.5       13.0        9.9       10.6       11.0       18.3
 MAX        10.0       27.5    1,330.0    1,120.0    2,250.0    2,740.0      223.0       19.8       11.8       14.2       13.4      188.0
 MIN         5.0        7.0        3.5        7.0        6.3       19.8       16.2        9.4        7.8        8.6        8.6        7.8

 ANNUAL DATA
 WTR YEAR 1978 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    53,607.7             27,027.2                         74.0                      2,740.0                          5.0

 INSTANTANEOUS DATA
 INST_MAXFLOW   11,100.0      INST_MAXTIME  1315            INST_MAXDATE  03/04/78
 INST_MINFLOW        2.0      INST_MINTIME  1113            INST_MINDATE  11/01/77

