                                                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 1989

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        1.3        1.2        1.1        3.1        1.3        1.2        1.2        1.6        1.4        1.2        1.5        1.5
    2        1.3        1.2        1.2        1.1        3.8       40.9        1.2        1.3        1.5        1.1        1.5        1.6
    3        1.4        1.2        1.2        2.9       12.5        1.6        1.3        1.3        1.4        1.7        1.4        1.6
    4        1.4        1.3        1.1        6.2      115.0        1.1        1.4        1.3        1.3        1.5        1.5        1.5
    5        1.4        1.4        1.2       75.3        1.3        1.1        1.4        1.2        1.4        1.4        1.4        1.5

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         1.3        1.1        1.2        8.1        1.2        1.2        1.4        1.3        1.4        1.6        1.3        1.7
   7         1.3        1.1        1.2        8.1        1.2        1.2        1.4        1.3        1.4        1.6        1.3        1.7
   8         1.3        1.1        1.2         .9       19.7        1.1        1.5        1.3        1.3        1.4        1.4        1.3
   9         1.3        1.1        1.3        1.0       86.0        1.4        1.4        1.2        1.3        1.4        1.4        1.3
   10        1.3        1.1        1.2         .9        1.4        1.2        1.5        1.2        1.2        1.4        1.3        1.3

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        1.3        1.2        1.3         .9        1.1        1.2        1.4        1.1        1.2        1.3        1.4        1.3
   12        1.4        1.1        1.5         .9        1.1        1.2        1.5        1.1        1.2        1.3        1.4        1.3
   13        1.3        2.0        1.4        1.1       10.2        1.2        1.4        1.2        1.2        1.4        1.3        1.4
   14        1.4       85.4        1.2        1.2        1.2        1.2        1.4        1.1        1.2        1.5        1.3        1.4
   15        1.4        1.1      226.0        1.1         .9        1.2        1.3        7.8        1.3        1.6        1.4        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.4        1.1      123.0        1.2         .9        1.1        1.4        1.4        1.4        1.4        1.4        1.4
   17        1.4        1.1        1.8        1.2        1.0        1.1        1.4        1.3        1.2        1.2        1.4        9.1
   18        1.4        1.0        9.2        1.2         .9        1.4        1.4        1.3        1.2        1.2        1.9        3.7
   19        1.3        1.0        1.1        1.2        1.0        1.2        1.4        1.3        1.3        1.3        1.5       56.2
   20        1.3        1.1       30.5        1.3        1.0        1.2        1.4        1.4        1.5        1.4        1.4        1.5

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.3        1.2      160.0        1.3        1.1        1.2        1.4        1.2        1.4        1.3        1.5        1.5
   22        1.3        1.2       15.3        1.1        1.1        1.2        1.4        1.3        1.4        1.3        1.7        1.5
   23        1.4       46.9        2.1        1.6        1.1        1.3        1.4        1.3        1.4        1.3        1.5        1.3
   24        1.3        4.2      128.0        1.1        1.3        1.2        1.4        1.3        1.3        1.3        1.4        1.4
   25        1.3       12.9        2.9        1.0        1.2       56.8        1.4        1.2        1.2        1.4        1.6        1.3

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.3        1.1        1.1        1.0        1.3        1.6        1.4        1.3        1.4        1.3        1.5        1.4
   27        1.3        1.1        1.2        1.1        1.3        1.1        1.5        1.4        1.3        1.4        1.4        1.5
   28        1.2        1.1        1.2        1.1        1.3        1.1        1.5        1.3        1.3        1.7        1.5        1.4
   29        1.2        1.3        1.0        1.1         .0        1.1        1.6        1.2        1.3        1.6        1.6        1.3
   30        1.2        1.2        1.0        1.1         .0        1.1        1.6        1.3        1.2        1.6        1.4        1.3
   31        1.4         .0        2.2        1.2         .0        1.2         .0        1.4         .0        1.7        1.4         .0

 ==========================================================================================================================================
 TOTAL      41.1      180.1      724.9      124.6      272.3      132.9       42.4       46.2        39.6       43.6       45.0     107.1
 MEAN        1.3        6.0       23.4        4.0        9.7        4.3        1.4        1.5        1.3        1.4        1.5        3.6
 MAX         4.2      843.0      226.0       75.3      115.0       56.8        1.6        7.8        1.5        1.7        1.9       56.2
 MIN         1.1         .8        1.0         .9         .9        1.1        1.2        1.1        1.2        1.1        1.3        1.3

 ANNUAL DATA
 WTR YEAR 1989 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     3,569.9              1,799.8                          5.2                        226.0                           .9

 INSTANTANEOUS DATA
 INST_MAXFLOW    1,410.0      INST_MAXTIME  0015            INST_MAXDATE  12/21/88
 INST_MINFLOW         .4      INST_MINTIME  1415            INST_MINDATE  06/02/89

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