                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                     F81D-R       ALHAMBRA WASH NEAR KLINGERMAN STREET                               RATING NO.   4301
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1988

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        1.1       71.1        1.1         .9         .9       19.0         .9         .6        1.1        1.6        1.4        1.4
    2        1.4        2.3         .9         .9       65.3       17.3         .9         .6        1.1        1.1        1.1        1.6
    3        1.4        1.6         .9         .9         .9        1.6         .9         .9        1.1        1.1        1.1        1.4
    4        1.4      130.0      220.0         .6         .6         .9        1.4         .9        1.1        1.1        1.1        1.4
    5        1.1       57.1        8.8        9.7         .6         .6        1.1         .9         .9        1.1        1.1        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         1.1        1.6         .9         .9         .6         .6        1.1         .9        1.1        1.4        1.1        1.6
   7         1.1        1.6         .9         .9         .6         .6        1.1         .9        1.1        1.4        1.1        1.6
   8         1.1         .9        1.1         .6         .9         .9        1.1         .9         .9        1.1        1.1        1.4
   9         1.1        1.1         .9         .9         .9         .9        1.1         .9        1.1        1.1        1.1        1.6
   10        1.1        1.4         .9         .6         .9         .9        1.1         .9        1.1         .9        1.1        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        1.6         .9         .6         .9         .9         .9        1.1        1.1        1.1        1.1         .9        1.4
   12        1.4         .9         .9        1.1         .9         .6        1.1        1.1        1.1        1.1        1.1        1.4
   13         .9        2.6         .6        1.1         .9         .6        1.1        1.1        1.1        1.1        1.1        1.4
   14         .9        4.8         .6         .6         .9         .6       40.7        1.1        1.1        1.6        1.1        1.1
   15         .9         .9         .6         .9         .9        1.1        4.0        1.1        1.1        1.4        1.4        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .9         .9       49.2         .9         .9        1.1         .9        1.1        1.1        1.1        1.1        1.1
   17         .9        1.1       12.4      386.0         .6        1.6         .6        1.1        1.1        1.1        1.1        1.1
   18         .9        1.1        1.4        2.3         .9        1.1         .9        1.1        1.1        1.1        1.1        1.1
   19         .9        1.1         .6        1.1         .9        1.1       87.7        1.1        1.1        1.1        1.1        1.1
   20        1.1         .9         .6         .9         .9         .9       90.7        1.4        1.1        1.1        1.1        6.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .9         .9         .9         .6         .9         .9        1.1        1.4        1.1        1.1        1.1        1.1
   22      382.0         .9         .9         .6         .9         .9         .9        1.4        1.1        1.1         .9         .9
   23        9.8         .9         .6         .9        1.1         .9       48.6        1.4        1.1        1.1        1.1        1.1
   24        1.1         .9         .6         .9        1.1         .9         .9        1.4        1.6        1.1        1.4        1.1
   25         .9         .9         .6         .9         .9         .9         .9        1.4        1.8        1.1        1.1        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .9         .9         .6         .6         .9        1.1         .9        1.4        1.6        1.1        1.4         .9
   27        1.1         .9         .9         .9       18.4         .9        1.1        1.4        1.1        1.1        1.1        1.1
   28         .9         .9         .9         .9        8.9         .9         .9        1.4        1.4        1.1        1.4        1.1
   29       51.3         .9       22.2         .9      117.0         .9         .9        1.4        1.4        1.4        1.8        1.4
   30        2.1         .9        1.1         .9         .0        1.1         .6        1.1        1.4        1.1        1.4        1.1
   31      245.0         .0         .9         .9         .0         .9         .0        1.1         .0        1.1        1.4         .0

 ==========================================================================================================================================
 TOTAL     718.8      292.4      335.0      421.7      231.0       64.0      296.3       34.5        35.2       35.8       36.5      43.7
 MEAN       23.2        9.7       10.8       13.6        8.0        2.1        9.9        1.1        1.2        1.2        1.2        1.5
 MAX       382.0      130.0      220.0      386.0      117.0       19.0       90.7        1.4        1.8        1.6        1.8        6.9
 MIN          .9         .9         .6         .6         .6         .6         .6         .6         .9         .9         .9         .9

 ANNUAL DATA
 WTR YEAR 1988 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     5,047.7              2,544.9                          7.0                        386.0                           .6

 INSTANTANEOUS DATA
 INST_MAXFLOW    4,500.0      INST_MAXTIME  1915            INST_MAXDATE  12/04/87
 INST_MINFLOW         .3      INST_MINTIME  1245            INST_MINDATE  01/26/88

