                                                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 1981

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .4         .6         .4         .6         .9      302.0         .6         .9         .9         .9         .6         .4
    2         .6         .6         .6         .9         .9      152.0       18.9         .9         .9         .9         .6         .4
    3         .6         .4         .6         .9         .6        1.1         .1         .6        1.1         .9         .6         .4
    4         .9         .4       45.9         .9         .9        7.6         .2         .9        1.1         .9         .6         .4
    5         .6         .6        6.5        1.1         .9      101.0         .2         .6        1.1         .9         .6         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6         .6        1.4        1.1         .9        1.4         .3         .9         .9         .6         .9         .3
   7          .6         .6        1.4        1.1         .9        1.4         .3         .9         .9         .6         .9         .3
   8          .6         .6        2.1        1.4       35.8         .4         .3         .9         .9         .9         .6         .4
   9          .6         .6        1.8        1.4       42.8         .4         .2         .9        1.1         .9         .6         .6
   10         .6         .9        2.3        1.4         .6         .4         .3         .9        1.1         .9         .6         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .4         .6        2.3        9.7         .6         .3         .3        1.1        1.1         .9         .6         .4
   12         .4         .6        2.3        2.1         .6         .3         .3        1.1        1.1         .9         .6         .4
   13         .4         .6        2.3        1.6         .4         .4         .3         .9        1.1         .9         .6         .4
   14         .6         .6        2.3        1.6         .4         .3         .3        1.1         .9         .9         .6         .4
   15         .4         .4        2.3        1.8         .4         .3         .3         .9         .9         .9         .6         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .4         .4        2.3        2.1         .4         .3         .4         .9         .6         .9         .6         .4
   17         .4         .4        2.3        2.1         .4         .3         .4         .9         .6         .6         .4         .6
   18         .6         .6        2.3        2.1         .4         .3       30.1         .9         .9         .6         .4         .6
   19         .4         .4        2.3        2.6         .6      211.0       11.4         .9         .9         .4         .4         .6
   20         .4         .6        2.6        2.8         .6        4.5        1.1         .9        1.1         .6         .4         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .6         .6        2.3        2.6         .9         .3         .4         .9        1.1         .6         .4         .6
   22         .6         .4        2.3        2.8         .6         .3         .6        1.1        1.1         .6         .4         .6
   23         .6         .4        2.3      113.0         .9         .3         .4         .9        1.1         .6         .4         .9
   24         .6         .6        2.3        1.6         .9         .3         .4         .9        1.1         .6         .4         .9
   25         .9         .6        2.3        1.1       56.5         .4         .4        1.1        1.1         .6         .4         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .6         .4        2.3        1.4        5.6        4.1         .4         .9        1.1         .6         .4         .9
   27         .6         .4        2.6        1.1         .4         .4         .4         .9        1.1         .6         .4         .9
   28         .4         .6        2.3      180.0       35.7         .9         .6         .9        1.1         .6         .4         .9
   29         .4         .4        2.6      196.0         .0        1.1         .9         .9         .9         .6         .4         .9
   30         .6         .6        2.6        4.8         .0         .7         .9         .9         .9         .6         .4        1.4
   31         .9         .0        2.6         .6         .0         .4         .0         .9         .0         .6         .4         .0

 ==========================================================================================================================================
 TOTAL      17.3       16.1      116.6      544.3      191.5      793.9       71.7       28.3        29.8       22.9       16.2      18.0
 MEAN         .6         .5        3.8       17.6        6.8       25.6        2.4         .9        1.0         .7         .5         .6
 MAX          .9         .9       45.9      196.0       56.5      302.0       30.1        1.1        1.1         .9         .9        1.4
 MIN          .4         .4         .4         .6         .4         .3         .1         .6         .6         .4         .4         .3

 ANNUAL DATA
 WTR YEAR 1981 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     3,702.3              1,866.6                          5.1                        196.0                           .1

 INSTANTANEOUS DATA
 INST_MAXFLOW    2,750.0      INST_MAXTIME  1845            INST_MAXDATE  03/19/81
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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