                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                        F274B-R       DALTON WASH AT MERCED AVENUE                               RATING NO.   65-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1980

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1      207.0        3.7       78.0      128.0       18.0       94.8      120.0        9.4         .1        4.4        4.4       10.4
    2      214.0        3.2       82.2      136.0       14.7      516.0       71.3        7.4         .1        4.4        4.4       10.4
    3      207.0        3.2       82.2      136.0       16.3      326.0       13.8       19.9         .1        4.4        4.4        7.9
    4      207.0        3.7       82.2      136.0       16.3      207.0         .1       19.9         .1        4.4        5.2       11.8
    5      214.0        4.4       82.2      128.0       18.0      282.0         .1        7.1         .1        3.7        5.2       75.3

 ------------------------------------------------------------------------------------------------------------------------------------------
   6       207.0        3.7       82.2      120.0       18.0      379.0       12.9         .1         .1        3.7        6.9       72.6
   7       207.0        3.7       82.2      120.0       18.0      379.0       12.9         .1         .1        3.7        6.9       72.6
   8       207.0        5.2       82.2        7.9       19.9      263.0         .1        7.9         .1        4.4        4.4       48.5
   9       207.0       55.0       82.2      324.0       18.0      242.0         .1        7.5         .1        3.7        3.7       51.0
   10      207.0       80.0       82.2      145.0       19.9      207.0         .1       38.2         .0        4.4        4.4       53.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   11      207.0       80.0       82.2      181.0       21.9      152.0         .1       21.9         .1        6.0        4.4       99.0
   12      207.0       80.0       82.2       37.9       18.0      136.0         .1        7.6         .1        5.2        4.4      107.0
   13      207.0       80.0       82.2      120.0      400.0      176.0         .1         .1         .0        5.2        4.4      103.0
   14      207.0       80.0       82.2        8.4      480.0      152.0         .1        5.7         .1        4.4        6.0       99.0
   15      207.0       80.0       82.2       10.4      664.0      152.0         .1       19.9         .0        2.7        6.0      103.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16      207.0       80.0       82.2       11.8    2,790.0      144.0         .1       13.2         .1        3.2        6.9       99.0
   17      200.0       80.0       82.2       55.8    1,060.0      136.0         .1         .1         .1        4.4        6.0      105.0
   18      184.0       80.0       82.2       30.3    1,110.0      244.0         .1         .1         .1        6.0        4.4       99.0
   19      136.0       80.0       82.2       10.4      815.0      128.0         .1         .1         .1        5.2        5.2       48.0
   20      275.0       80.0       82.2       10.4      507.0      128.0         .1         .1         .1        4.4        6.0       11.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        4.4       80.0       82.2        7.9      748.0      128.0        1.5         .3         .3        3.7        5.2       11.8
   22        5.2       80.0       82.2        9.1      451.0      128.0       28.8         .2         .3        4.4        5.2       10.4
   23        4.4       80.0       82.2       14.7      428.0      128.0       17.5         .1         .4        5.2        4.4        9.1
   24        3.7       82.2       48.7        6.0      331.0      128.0        9.2         .1        1.3        4.4        3.7        9.1
   25        4.4       82.2        6.6        2.7      247.0      149.0         .1         .1        2.3        3.7        3.7        7.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        3.7       82.2       37.3        3.2      185.0      128.0         .1         .1        3.2        4.4        6.9        9.1
   27        3.7       82.2      131.0        3.2      116.0      120.0         .1         .1        2.7        4.4        6.9        9.1
   28        4.4       82.2      131.0      599.0      112.0      120.0         .6         .1        3.2        6.0        6.9        9.1
   29        3.2       82.2      131.0      418.0       94.8      120.0         .2         .1        3.7        5.2        7.9        9.1
   30        3.7       78.0      131.0        3.3         .0      120.0       23.6         .1        3.7        5.2        7.9        6.9
   31        3.2         .0      131.0       38.5         .0      120.0         .0         .1         .0        6.0        9.1         .0

 ==========================================================================================================================================
 TOTAL   4,165.0    1,778.5    2,634.0    2,962.9   10,755.8    5,709.8      315.0      187.7        22.8      140.5      169.7   1,353.0
 MEAN      134.0       59.3       85.0       95.6      371.0      184.0       10.5        6.1         .8        4.5        5.5       45.1
 MAX       275.0       82.2      131.0      599.0    2,790.0      516.0      120.0       38.2        3.7        6.0        9.1      107.0
 MIN         3.2        3.2        6.6        2.7       14.7       94.8         .1         .1         .0        2.7        3.7        6.9

 ANNUAL DATA
 WTR YEAR 1980 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    59,890.3             30,194.7                         82.5                      2,790.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW   10,000.0      INST_MAXTIME  1890            INST_MAXDATE  02/16/80
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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