                                                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 1982

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       14.6         .7         .5       39.3         .7        4.4       97.9         .9         .9         .9         .9        1.2
    2        1.4         .7         .5       10.3         .5        4.9        1.2         .7         .9         .7         .7        1.2
    3        1.2         .5         .5         .5         .7         .5         .7         .7         .7         .7         .7        1.2
    4        1.2         .7         .5        5.4         .7         .5         .4        4.0         .7         .5         .9        1.2
    5         .9         .7         .7       37.7         .5         .5         .4         .9         .7         .5         .9        1.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .7         .9         .7         .9         .5         .5         .4         .7         .7         .9         .9        1.4
   7          .7         .9         .7         .9         .5         .5         .4         .7         .7         .9         .9        1.4
   8          .9         .7         .7         .5         .5         .7         .4         .7         .7         .9         .7        6.1
   9          .9         .7         .5         .5         .5         .5         .4         .5         .7         .9         .7         .9
   10         .9         .7         .5         .5       48.4         .7         .5         .5         .9         .9         .7         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .9         .7         .7         .5        2.2       37.0       38.6       35.0         .9         .9         .7         .9
   12        4.5         .7         .5         .5         .7        2.0         .9         .9         .9         .9         .9         .7
   13        5.5         .7         .5         .5         .5         .9         .7         .7         .9         .9         .9         .9
   14        4.6         .7         .5         .4         .5       91.1         .7         .5         .9         .9         .9         .7
   15        4.1         .9         .5         .5         .7        2.8         .5         .5         .9         .9         .9        1.6

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        3.6         .7         .5         .4        1.8       67.8         .7         .5         .9         .9         .9         .9
   17        3.1         .7         .5         .4         .7      208.0         .7         .5        1.2         .9         .9        3.3
   18        2.6         .7         .5         .4         .5       14.4         .5         .5        1.4         .9         .9       12.4
   19        1.8         .7         .5        8.8         .5        1.2         .5         .5         .7         .9         .9         .5
   20        1.8         .7         .5      109.0         .5         .7         .5         .5         .7         .9         .9         .7

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.4         .7        8.1        8.9         .7         .7         .5         .7         .7         .7         .9         .5
   22        1.2         .7         .7         .7         .7         .7         .4         .5         .7         .9         .9         .7
   23         .7         .7         .5         .7         .5         .4         .4         .5         .7         .9         .9         .7
   24         .7         .9         .5         .7         .5         .5         .5         .7         .7         .9         .9         .9
   25         .7         .7         .5         .7         .5         .5         .7         .7         .7         .9        1.9       19.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.2       30.2         .5         .5         .5        7.1         .7         .7         .7         .9        1.4       64.7
   27         .9       71.1         .5         .7         .5         .7         .7         .9         .7         .9        1.2        1.4
   28        3.3       88.6         .7        8.0         .5        8.3         .7         .9         .9         .9         .9         .9
   29        1.1         .9         .7         .7         .0       63.0         .7         .9         .7         .9        1.2         .9
   30         .7         .5       25.4         .7         .0        1.2         .9         .9         .7         .9        1.2         .9
   31         .7         .0        1.0         .7         .0         .9         .0         .9         .0         .9        1.2         .0

 ==========================================================================================================================================
 TOTAL      68.7      209.2       49.9      240.7       66.5      523.8      153.2       58.7        24.0       26.5       29.4     130.4
 MEAN        2.2        7.0        1.6        7.8        2.4       16.9        5.1        1.9         .8         .9         .9        4.3
 MAX        14.6       88.6       25.4      109.0       48.4      208.0       97.9       35.0        1.4         .9        1.9       64.7
 MIN          .7         .5         .5         .4         .5         .4         .4         .5         .5         .5         .7         .5

 ANNUAL DATA
 WTR YEAR 1982 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     3,136.5              1,581.3                          4.3                        208.0                           .4

 INSTANTANEOUS DATA
 INST_MAXFLOW    2,470.0      INST_MAXTIME  0140            INST_MAXDATE  03/17/82
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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