                                                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 1979

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .5         .4        1.9         .3       27.6       42.7        1.8        2.6        1.2         .5         .5         .7
    2         .7         .4         .4         .3       31.8        1.8        1.4        2.6        1.2         .5         .5         .5
    3         .5         .4         .4         .3        1.4        1.4        1.4        2.6        1.2         .5         .4         .5
    4         .7         .4         .3        1.0         .7        1.2        1.2        2.6        1.2         .4         .4         .5
    5         .5         .4         .2      128.0         .7        1.4        1.2        2.6        1.2         .4         .4         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .5         .4         .2       12.7         .5        1.4         .9        2.6        1.2         .4         .5         .7
   7          .5         .4         .2       12.7         .5        1.4         .9        2.6        1.2         .4         .5         .7
   8          .5         .4         .3         .5         .7        1.2         .7         .7         .9         .4         .5         .7
   9          .5         .4         .3        7.4         .9        1.2        2.1         .7         .9         .5         .4         .7
   10         .5       14.6         .4         .4         .7        1.2        3.6         .5         .9         .4         .4         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .5       38.2         .4         .4         .7         .9        3.6         .5         .9         .4         .5         .7
   12         .7         .7         .4         .7         .7        1.4        3.1         .5         .9         .4         .5         .5
   13         .7       10.5         .4        1.2        3.8       27.1        3.1         .5         .9         .5         .5         .5
   14         .5         .9         .4       17.4       18.3        7.0        3.1         .7         .7         .4         .5         .5
   15         .5         .4         .4       91.2        1.2        3.3        3.1         .7         .9         .4         .5         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .7         .3        1.9       40.8        1.2        8.4        3.1         .7         .7         .4         .5         .5
   17         .5         .4       72.6        4.6        1.2       34.4        2.6         .7         .5         .4         .7         .7
   18         .5         .4       59.0       21.7        1.2       32.9        2.6         .7         .7         .4         .7         .5
   19         .5         .4       14.8       16.6        2.7       47.7        2.6         .7         .7         .4         .4         .7
   20         .7         .4         .5       10.9       34.1       15.8        2.6         .7         .5         .4         .4         .7

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .4       39.8         .4        6.4       50.5        1.2        2.6         .7         .5         .4         .5         .7
   22         .4        3.3         .4        3.1        3.6         .7        2.6         .9         .7         .4         .5         .7
   23         .5         .5         .3         .9       21.6         .7        2.6        1.2         .5         .4         .5         .7
   24         .4        5.0         .3         .4        3.1         .5        2.6        1.2         .5         .5         .5         .7
   25         .4        6.2         .3        1.5        2.6         .5        2.6        1.2         .5         .5         .9         .7

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .4         .4         .4         .5        2.1         .7        2.1        1.2         .7         .5         .9         .7
   27         .4         .4         .3         .5        1.8       69.7        2.6        1.2         .7         .5         .9         .7
   28         .4         .3         .3        4.4        1.4       24.2        2.6        1.2         .4         .5         .9         .9
   29         .4         .3         .3         .9         .0       18.2        2.6        1.2         .5         .5         .7         .9
   30        2.3         .4         .3      104.0         .0        3.1        2.6        1.2         .5         .5         .5         .9
   31         .5         .0         .3      104.0         .0        2.1         .0        1.2         .0         .5         .7         .0

 ==========================================================================================================================================
 TOTAL      17.7      127.4      159.1      583.5      217.5      355.2       70.2       37.7        24.0       13.7       17.2      20.4
 MEAN         .6        4.2        5.1       18.8        7.8       11.5        2.3        1.2         .8         .4         .6         .7
 MAX         2.3       39.8       72.6      128.0       50.5       69.7        3.6        2.6        1.2         .5         .9         .9
 MIN          .4         .3         .2         .3         .5         .5         .7         .5         .4         .4         .4         .5

 ANNUAL DATA
 WTR YEAR 1979 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     3,260.0              1,643.6                          4.5                        128.0                           .2

 INSTANTANEOUS DATA
 INST_MAXFLOW    1,290.0      INST_MAXTIME  0849            INST_MAXDATE  03/27/79
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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