                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                     F81D-R       ALHAMBRA WASH NEAR KLINGERMAN STREET                               RATING NO.   43-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1987

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        1.1         .9         .9        1.1         .9         .6        1.1        1.6        1.1        1.1        1.1        1.1
    2      171.0         .9         .9        1.1         .9         .6         .9        1.6        1.1        1.4        1.1        1.4
    3        5.6        1.1        1.1         .9         .9         .6        4.1        1.6         .9        1.1        1.1        1.1
    4         .9        1.4        1.4      177.0         .9         .9         .9        1.6        1.1        1.1        1.4        1.1
    5         .9        1.4        1.4       10.6         .9       21.5         .9        1.8        1.4         .9        1.4        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .9        1.4       41.7       17.9         .9       21.8         .9        1.8       12.7        1.6        1.1        1.1
   7          .9        1.4       41.7       17.9         .9       21.8         .9        1.8       12.7        1.6        1.1        1.1
   8         1.1        1.1         .9         .9         .9         .9         .9        1.6        1.1        1.6        1.4        1.1
   9          .9        1.1         .6         .9       35.2         .6        1.1        1.6        1.1        1.4        1.4        1.1
   10        1.1        1.1         .6         .6        1.4         .9        1.1        1.6        1.1        1.4        1.4        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .9        1.1         .9         .6        1.1         .9        1.1        1.6        1.1        1.4        1.4        1.1
   12         .9        1.1         .9         .6         .6         .9        1.1        1.6         .9        1.1        1.4        1.1
   13         .9        1.1         .9         .9      111.0         .9        1.1        1.6         .9        1.1        1.4        1.1
   14         .9        1.1         .9         .9        1.6        3.7        1.1        1.6         .9        1.1        1.6        1.4
   15         .9        1.6         .9         .6         .9       16.3        1.1        1.6        1.4        1.1        1.1        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .9         .9         .9         .6         .9         .6        1.4        1.8         .9        1.1        1.4        1.1
   17         .9       78.0         .9         .6         .6         .9        1.4        1.6        1.1        6.3        1.1        1.1
   18        1.1       59.0         .9         .6         .6         .6        1.4        1.6        1.1         .9        1.1        1.4
   19         .9        1.1         .9         .9         .6         .6        1.4        1.6        1.4        1.1        1.4         .9
   20        1.1         .9        1.1         .6         .9         .9        1.4        1.4        1.4        1.6        1.4        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.1        1.1         .9         .6         .6       47.8        1.4        1.4        1.4         .9        1.4        1.1
   22         .9        1.1         .9         .9        1.1         .9        1.4        1.4        1.4         .9        1.1        1.1
   23         .9        1.1         .9         .9        1.1         .6        1.6        1.4        1.6         .9        1.1        2.1
   24        1.1         .9         .9         .9       63.6        3.0        1.4        1.1        1.4        1.1        1.1        1.4
   25        1.1         .9         .9         .9        2.1         .9        1.6        4.4        1.4        1.1        1.1        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.1         .9         .9        1.1         .6         .9        1.4        1.1        1.6         .9        1.1        1.1
   27        1.1         .9         .9         .9         .6         .9        1.6         .9        1.4        1.1        1.1        1.1
   28        1.1         .9         .9        1.1         .6         .9        1.6         .9        1.4        1.1        1.1        1.1
   29        1.1         .9         .9         .9         .0         .9        2.3         .9        1.6        1.1        1.1        1.1
   30        1.1         .9         .9         .9         .0         .9        1.6        1.1        1.4        1.1        1.1        1.1
   31        1.1         .0        1.1         .9         .0         .9         .9         .9         .0        1.1        1.1         .0

 ==========================================================================================================================================
 TOTAL     205.7      167.3       69.7      236.5      232.9      134.4       42.1       47.9        48.4       41.3       38.5      35.6
 MEAN        6.6        5.6        2.2        7.6        8.3        4.3        1.5        1.5        1.6        1.3        1.2        1.2
 MAX       171.0       78.0       41.7      177.0      111.0       47.8        4.4        4.4       12.7        6.3        1.6        2.1
 MIN          .9         .9         .6         .6         .6         .6         .9         .9         .9         .9        1.1         .9

 ANNUAL DATA
 WTR YEAR 1987 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     2,579.1              1,300.3                          3.6                        177.0                           .6

 INSTANTANEOUS DATA
 INST_MAXFLOW    5,670.0      INST_MAXTIME  1515            INST_MAXDATE  10/02/86
 INST_MINFLOW         .6      INST_MINTIME  0000            INST_MINDATE

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