                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                         F274B-R       DALTON WASH AT MERCED AVENUE                               RATING NO.   6501
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1983

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       94.8      116.0        9.1        1.0        5.2    1,580.0       16.3       36.5        3.1        1.9        2.3        4.4
    2      116.0       99.0        9.1        1.0       80.7    1,690.0       13.2       11.8        2.3        2.3        2.3        4.4
    3      120.0       99.0        9.1        1.0        9.1      605.0       11.8       10.4         .6        2.3        2.3        5.2
    4      160.0       99.0        9.1        1.6       19.9      286.0       11.8        9.1         .6        1.9        2.3        4.4
    5      192.0       99.0        9.1        1.9       26.8      120.0        9.1       10.4         .3        1.6        2.7        4.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   6       192.0       99.0        9.1        1.9       19.9       99.0       10.4       10.4         .4        2.3        2.3        4.4
   7       192.0       99.0        9.1        1.9       19.9       99.0       10.4       10.4         .4        2.3        2.3        4.4
   8       192.0       82.2        9.1        1.9       88.9       43.5       10.9       14.7         .4        1.9        2.7        3.7
   9       184.0      179.0        9.1        1.9       16.3       36.0         .1       14.7         .6        2.3        3.7        3.7
   10      184.0      118.0        9.1        2.3       13.2       36.0         .1       16.3        1.4        1.9        1.9        7.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   11      184.0       36.0        9.1       20.2        7.9       36.0        7.1       14.7        5.3        2.7        1.9        7.9
   12      152.0       36.0        9.1       38.5        6.0       33.5        7.1       19.9        3.7        2.7        2.3        5.2
   13      136.0       36.0        9.1       38.5        6.0      101.0         .1       23.9        2.3        2.3        2.3        2.3
   14      144.0       36.0        7.9       36.0        5.2       44.0        3.5       28.5        1.9        2.7        2.3        2.7
   15      152.0       36.0        7.9       38.5        6.0       26.0        7.9       28.5        1.9        2.7       35.6        2.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   16      144.0       36.0        7.9       38.5        9.1       52.6        6.9       28.5        1.9        2.7      102.0        3.2
   17      152.0       36.0        7.9       38.5       11.8       61.0       18.9       21.9        1.9        2.3        3.7        3.2
   18      128.0       41.4        7.9       38.5       10.4      197.0       94.1       21.9        1.9        2.3       50.9        2.7
   19      120.0      194.0        7.9      151.0        7.9       28.5        9.1       18.0        2.3        2.3       60.0        3.2
   20      144.0       82.2        7.9       28.5        6.9       26.0      165.0        4.4        1.9        2.3        5.2        3.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21      144.0       78.0        3.7       18.0        6.9      151.0      206.0        1.3        1.6        2.7        4.4        3.2
   22      144.0       72.6      395.0      224.0        5.2       42.3        7.9        1.3        1.6        2.7        4.4        3.2
   23      160.0       67.2        2.7      215.0        6.0       24.3        6.9        1.0        1.9        2.3        3.7        1.6
   24      160.0       59.1        1.0      180.0      124.0      162.0        4.4         .6        2.3        2.7        2.7        2.7
   25      136.0       56.4        1.9        3.7        3.2       13.2        1.3         .6        2.3        2.7        3.2        1.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   26      167.0       51.0        2.3        2.7      140.0       11.8         .1         .8        2.7        1.9        3.7        2.7
   27      144.0       46.0        1.9      327.0      588.0       13.2         .1         .6        2.3        2.3        3.7        1.3
   28      136.0       38.5        1.0      113.0      132.0       17.7       42.6         .6        2.3        1.9        5.2        1.9
   29      136.0      118.0        3.8      163.0         .0         .1      309.0         .8        1.9        2.7        5.2      238.0
   30      144.0      303.0        1.3        5.2         .0         .0       54.9         .8        2.3        2.7        3.7      204.0
   31      144.0         .0        1.3        3.7         .0        6.2         .0         .8         .0        3.2        3.7         .0

 ==========================================================================================================================================
 TOTAL   4,697.8    2,552.6      589.5    1,738.8    1,418.2    5,612.8    1,051.3      366.9        56.3       73.1      335.0     543.7
 MEAN      152.0       85.1       19.0       56.1       50.6      181.0       35.0       11.8        1.9        2.4       10.8       18.1
 MAX       192.0      303.0      395.0      327.0      588.0    1,690.0      309.0       36.5        5.3        3.2      102.0      238.0
 MIN        94.8       36.0        1.0        1.0        3.2         .0         .1         .6         .3        1.6        1.9        1.3

 ANNUAL DATA
 WTR YEAR 1983 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    37,757.4             19,036.0                         52.2                      1,690.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    6,130.0      INST_MAXTIME  1015            INST_MAXDATE  02/02/83
 INST_MINFLOW         .0      INST_MINTIME  0015            INST_MINDATE  03/29/83

