                                                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 1978

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .4         .7         .3         .5         .2      355.0        1.8         .7         .9         .9         .7         .4
    2         .7         .5         .3         .4         .3       88.5        1.2         .7         .9         .9         .7         .4
    3         .5         .5         .4       13.1         .3       23.5         .9         .9         .7         .9         .7         .4
    4         .5         .7         .3       56.5         .4      257.0       25.1        1.2         .9         .9         .7         .4
    5         .5       10.6         .4        1.8       30.6       76.9        1.2         .7         .9         .9         .7       31.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .7         .4         .4       27.5       20.5       10.9       35.9         .7         .9        1.2         .7       11.9
   7          .7         .4         .4       27.5       20.5       10.9       35.9         .7         .9        1.2         .7       11.9
   8          .4         .4         .4         .3       64.0        6.4        1.8         .7         .9        1.2         .7         .4
   9          .4         .3         .4       59.7      291.0        5.5         .9         .7         .9         .9         .5         .4
   10         .5         .2         .4       85.9      161.0        4.6         .9         .7         .9        1.2         .7         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .4         .2         .4         .9        3.1       14.1         .9         .7         .7         .9         .7         .5
   12         .5         .2         .4         .4      111.0        3.1        1.2         .7         .9         .7         .7         .4
   13         .5         .2         .5         .4       30.7        2.1        1.2         .7         .7         .7         .7         .5
   14         .5         .2         .4      136.0        2.1        1.8         .9         .7         .9         .7         .7         .4
   15         .5         .3         .5       64.5        1.4        1.4       99.3         .9        1.4         .7         .5         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .5         .2         .4      164.0        1.2        1.4        1.8         .9        1.2         .7         .5         .5
   17         .5         .3       17.9        2.3        1.2        1.4        1.2         .9         .9         .7         .5         .5
   18         .5         .3       26.8         .7         .9        1.4        1.2        1.2         .9         .7         .5         .4
   19         .5         .2         .5       22.8         .7        1.2        1.2        1.4         .9         .7         .4         .4
   20         .4         .3         .3         .4         .7        1.2         .9        1.2        1.2         .7         .4         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .5         .2        1.3         .3         .7       23.2         .9        1.4         .9         .7         .5         .5
   22         .5         .2         .3         .3         .7       47.2        1.2        1.4        1.2         .5         .5         .5
   23         .5         .3       10.2         .3         .7        1.4        1.2        1.4        1.2         .7         .5         .5
   24         .5         .2         .7         .2         .7        1.2        1.2        1.2        1.2         .7         .5         .7
   25         .5         .3       15.3         .2         .7         .9        4.6        1.2         .9         .7         .5         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .5         .4      127.0         .2         .9         .9        1.2        1.2         .9         .7         .5         .5
   27         .5         .3       58.3         .2        1.2        1.2         .9        1.2         .9         .7         .5         .5
   28         .5         .3      212.0         .2      160.0         .9         .9        1.2         .9         .7         .7         .5
   29         .4         .3        5.7         .2         .0         .9         .9        1.2         .9         .7         .7         .7
   30         .4         .3        1.2         .4         .0       14.1        1.2        1.2        1.2         .7         .5         .5
   31         .5         .0         .7         .6         .0       32.6         .0         .9         .0         .7         .5         .0

 ==========================================================================================================================================
 TOTAL      15.2       19.9      484.5      641.7      930.9      990.1      200.6       30.5        28.7       24.9       18.3      56.2
 MEAN         .5         .7       15.6       20.9       33.2       31.9        6.7        1.0        1.0         .8         .6        1.9
 MAX          .7       10.6      212.0      164.0      291.0      355.0       99.3        1.4        1.4        1.2         .7       31.1
 MIN          .4         .2         .3         .2         .2         .9         .9         .7         .7         .5         .4         .4

 ANNUAL DATA
 WTR YEAR 1978 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     6,826.1              3,441.5                          9.4                        355.0                           .2

 INSTANTANEOUS DATA
 INST_MAXFLOW    4,110.0      INST_MAXTIME  0210            INST_MAXDATE  02/10/78
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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