                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                         F274B-R       DALTON WASH AT MERCED AVENUE                               RATING NO.   65-I
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1987

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .4        8.5       47.5      152.0      184.0      192.0      200.0        2.3         .1        3.7         .8        5.0
    2       77.7        2.3        1.9       89.4      192.0      200.0      207.0        1.3         .1        3.2         .8        6.9
    3        1.9       89.9        1.6         .3      200.0      200.0      212.0        1.3         .1        3.2         .3        3.2
    4        1.3      136.0        1.6      347.0      207.0      131.0      200.0        1.0         .1        3.7         .1        4.4
    5        1.3      128.0        1.6       11.8      207.0        6.1      200.0        1.0         .1        3.7         .1         .8

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6      136.0       12.3        6.0      214.0       20.0      200.0        1.0        1.3        4.4         .1         .8
   7          .6      136.0       12.3        6.0      214.0       20.0      200.0        1.0        1.3        4.4         .1         .8
   8          .2      136.0        1.9         .6      214.0        2.7      184.0         .2         .1        4.4         .1         .2
   9          .4      136.0        1.6         .4      226.0        1.9      192.0         .2         .1        4.4         .1         .1
   10       14.8      144.0       99.9         .3      192.0         .6      192.0         .1         .1        4.4         .1        1.3

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        2.3      144.0      144.0         .2      192.0      127.0      184.0         .1         .1        4.4         .1       10.4
   12        1.6      144.0      144.0         .1      200.0      144.0      192.0         .1         .1        5.2         .1        6.6
   13        1.6      168.0      144.0         .3      223.0      144.0      200.0         .1         .1        4.4         .1         .1
   14         .4      184.0      152.0        1.0        2.7      148.0      200.0         .1         .1        5.2        6.0         .1
   15         .1      192.0      104.0         .8        1.9      179.0      207.0         .1         .1        5.2         .6         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .1      192.0        1.9       67.7        1.9      144.0      200.0         .1         .1        6.9         .1        9.1
   17         .1      241.0       17.4      136.0        1.9      136.0      207.0         .1         .1        7.9         .1       10.4
   18        2.0      231.0      136.0      136.0        1.6      100.0      214.0         .2         .1        6.9         .1       11.8
   19        1.9        3.7      136.0      128.0      192.0        2.7      207.0         .1         .1        7.9         .1        7.2
   20        3.7       67.8      136.0      128.0      200.0        1.3      207.0       78.4         .1       10.2        2.3         .8

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        6.0      120.0      136.0      128.0      192.0       23.2      200.0      249.0         .1        3.0        3.2         .2
   22        6.9      120.0      136.0      160.0      200.0        2.3       66.0      241.0         .1         .0        2.5         .3
   23        5.2      120.0      144.0      221.0      207.0        1.0        1.0      235.0         .3        1.0         .8        1.0
   24        4.4      128.0      144.0      228.0      228.0        1.9        1.0      235.0        2.7        2.7         .4         .6
   25        5.3      136.0      144.0      235.0      219.0        1.9        1.3      249.0        4.4        3.1         .1         .8

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        2.3      136.0      152.0      242.0      200.0        1.0         .8      134.0        5.2         .8         .1         .8
   27        1.0      136.0      152.0      180.0      184.0      140.0        5.8         .3        5.2         .4        3.2         .8
   28         .4      136.0      152.0       84.7      192.0      152.0         .8         .2        4.4         .6        9.1        1.0
   29        1.6      136.0      160.0      192.0         .0      152.0        1.3         .3        5.2         .6        4.8         .8
   30        6.0      144.0      152.0      192.0         .0      160.0        1.9         .3        5.2         .6        1.6         .8
   31        9.1         .0      160.0      184.0         .0      152.0         .0         .2         .0         .8        1.0         .0

 ==========================================================================================================================================
 TOTAL     160.8    3,932.2    2,919.1    3,274.5    4,682.0    2,670.3    4,276.9    1,432.5        36.0      116.6       39.0      87.9
 MEAN        5.2      131.0       94.2      106.0      167.0       86.1      143.0       46.2        1.2        3.8        1.3        2.9
 MAX        77.7      241.0      160.0      347.0      228.0      200.0      214.0      249.0        5.2       10.2        9.1       11.8
 MIN          .1        2.3        1.6         .1        1.6         .6         .8         .1         .1         .0         .1         .1

 ANNUAL DATA
 WTR YEAR 1987 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    46,865.1             23,627.8                         64.7                        347.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    2,980.0      INST_MAXTIME  1515            INST_MAXDATE  10/02/86
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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