                                                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 1980

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .6        1.4        1.6         .4         .4         .3         .6        1.1         .9         .9         .6         .4
    2         .6        1.4        1.4         .4         .3      241.0         .4         .4         .6        1.1         .9         .4
    3         .6        1.1        1.4         .4         .3       89.4         .4         .6         .6         .9         .9         .6
    4         .6        1.1        1.4         .4         .3        1.1         .4         .6         .6         .6         .6        1.1
    5         .6        1.1        1.4         .4         .3      109.0         .4         .6         .6         .6         .9        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6        1.1        1.4         .4         .3      109.0         .9         .6         .9         .6         .6         .9
   7          .6        1.1        1.4         .4         .3      109.0         .9         .6         .9         .6         .6         .9
   8          .6        7.0        1.1        1.6         .6         .4         .6         .4         .6         .6         .6         .9
   9          .9        5.2        1.1      420.0         .4         .3         .6         .4         .9         .9         .6         .9
   10         .9        3.4        1.1      122.0         .4         .4         .6       10.0         .9         .9         .9         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .9        2.3        1.1      147.0         .6         .4         .6         .6        1.1         .6         .9        1.1
   12         .6        1.6         .9       46.6         .4         .3         .6         .4         .9         .6         .6        1.1
   13         .6        1.1         .9       48.1      349.0         .3         .6         .4         .9         .6         .6         .9
   14         .6         .9         .6       21.2      629.0         .4         .6         .6        1.1         .6         .6        1.1
   15         .6         .9         .6         .9      641.0         .4         .6         .4        1.1         .6         .6        1.6

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .9         .6         .6         .6    1,240.0         .4         .6         .4        1.1         .6         .6        1.1
   17        1.4         .6         .6       16.4      225.0         .4         .6         .4         .9         .6         .9        1.1
   18         .9         .6         .6        6.3      273.0       50.4         .4         .4         .9         .6         .6        1.1
   19        1.1         .6         .6         .4      261.0        5.0         .6         .4         .6         .6         .6         .9
   20       74.9         .9         .6         .4      114.0         .4         .4         .4         .9         .4         .6         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        5.2         .9        1.6         .6       61.7        2.0         .4        1.6         .6         .4         .6         .9
   22        4.0        1.1        1.8         .4        4.6         .6        1.8         .6         .6         .6         .6         .6
   23        3.4        1.1        1.6         .3       13.1         .6         .9         .9         .6         .6         .6         .6
   24        2.8         .9       58.6         .3       14.6         .4         .6         .4         .6         .6         .6         .9
   25        2.6         .9       13.1         .4        7.6       24.7         .6         .4         .6         .6         .6         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        2.6        1.1        2.6         .3         .6       30.1         .6         .4         .6         .6         .6         .9
   27        2.3        1.1        1.1       10.0         .3         .9         .4         .6         .6         .6         .6         .9
   28        2.1        1.1         .6      506.0         .3         .6       12.1         .6         .9         .6         .6         .6
   29        1.8        1.4         .4      278.0         .3         .4        1.6         .9         .9         .6         .6         .6
   30        1.4        1.6         .4       17.3         .0         .6        2.3         .6         .9         .6         .6         .6
   31        1.4         .0         .4         .9         .0         .6         .0         .6         .0         .6         .6         .0

 ==========================================================================================================================================
 TOTAL     118.7       48.1      102.3    1,649.3    3,839.8      672.2       32.4       27.3        23.6       19.9       20.4      26.5
 MEAN        3.8        1.6        3.3       53.2      132.0       21.7        1.1         .9         .8         .6         .7         .9
 MAX        74.9        7.0       58.6      506.0    1,240.0      241.0       12.1       10.0        1.1        1.1         .9        1.6
 MIN          .6         .6         .4         .3         .3         .3         .4         .4         .6         .4         .6         .4

 ANNUAL DATA
 WTR YEAR 1980 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    13,052.2              6,580.5                         18.0                      1,240.0                           .3

 INSTANTANEOUS DATA
 INST_MAXFLOW    6,660.0      INST_MAXTIME  1745            INST_MAXDATE  02/16/80
 INST_MINFLOW         .3      INST_MINTIME  0000            INST_MINDATE

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