                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                       F317-R       ARCADIA WASH BELOW GRAND AVENUE                               RATING NO.   57-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1977

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .5         .5         .4         .5         .4         .2         .4        1.8         .3         .3         .4         .5
    2         .4         .5         .4       55.0         .4         .2         .3         .3         .2         .3         .4         .7
    3         .5         .7         .4       62.0         .4         .2         .3         .4         .3         .3         .5         .7
    4         .5         .9         .4         .5         .4         .3         .3         .5         .2         .3         .4         .5
    5         .7         .7         .4       55.1         .4         .3         .3         .5         .3         .4         .4         .7

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .7         .7         .4       50.0         .4         .3         .4         .3         .3         .4         .3         .5
   7          .7         .7         .4       50.0         .4         .3         .4         .3         .3         .4         .3         .5
   8          .7         .7         .4         .7         .4         .3         .4      119.0         .3         .3         .3         .5
   9          .9         .5         .5         .5         .4         .3         .4       70.8        1.8         .4         .4         .4
   10         .9         .5         .5         .7         .4         .3         .3         .9         .9         .3         .5         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .9        5.4         .4         .5         .4         .3         .4         .4         .3         .4         .5         .4
   12         .9       48.5         .4         .4         .4         .3         .3        1.5         .2         .3         .4         .4
   13         .9         .7         .4         .4         .4         .3         .4         .2         .4         .4         .4         .5
   14         .9         .5         .4         .4         .5         .4         .3         .2         .3         .4         .4         .4
   15        1.2         .5         .4         .4         .4         .4         .9         .2         .4         .5         .5         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.4         .4         .4         .4         .4       42.4        2.1         .3         .4         .4        9.1         .5
   17        1.2         .5         .4         .4         .5         .7        2.1         .2         .4         .2      118.0         .4
   18        1.4         .4         .4         .3         .7         .4         .9         .3         .4         .3         .9         .3
   19        1.2         .4         .4         .4         .7         .4         .2         .2         .4         .4         .5         .4
   20        1.2         .4         .5        5.0         .5         .4         .3         .3         .5         .4         .3         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.8         .4         .4        3.3         .7         .5         .2         .2         .5         .4         .2         .4
   22       13.1         .4         .4         .5         .7         .4         .3         .2         .4         .4         .3         .4
   23       62.3         .5         .4         .5        8.1         .7         .3       12.7         .4         .3         .3         .5
   24         .7         .4         .4         .4       17.8        7.5         .2        4.4         .4         .3         .3         .4
   25         .7         .4         .3         .4         .7       53.1         .3         .3         .4         .3         .4         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .5         .4         .3         .4         .4         .7         .3         .2         .3         .3         .4         .5
   27         .5         .3         .4         .4         .4         .5         .3         .2         .4         .4         .4         .7
   28         .5         .3         .5         .4         .4         .5         .3         .2         .4         .4         .4         .5
   29         .5         .4         .4         .4         .0         .2         .3         .2         .5         .4         .5         .5
   30         .5         .4       31.1         .5         .0         .3         .3         .2         .4         .5         .4         .5
   31         .5         .0        1.4         .5         .0         .4         .0         .3         .0         .4         .5         .0

 ==========================================================================================================================================
 TOTAL      99.3       68.0       44.3      296.7       38.1      113.6       14.2      217.7        12.7       11.2      139.0      14.6
 MEAN        3.2        2.3        1.4        9.6        1.4        3.7         .5        7.0         .4         .4        4.5         .5
 MAX        62.3       48.5       31.1       62.0       17.8       53.1        2.1      119.0        1.8         .5      118.0         .7
 MIN          .4         .3         .3         .3         .4         .2         .2         .2         .2         .2         .2         .3

 ANNUAL DATA
 WTR YEAR 1977 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     2,121.1              1,069.4                          2.9                        119.0                           .2

 INSTANTANEOUS DATA
 INST_MAXFLOW    1,320.0      INST_MAXTIME  0315            INST_MAXDATE  10/23/76
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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