                                                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 1989

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        2.3        9.1      117.0       11.9      161.0      108.0       85.7       97.0        1.8        2.8        3.7       11.5
    2        2.0       10.8      118.0       10.9      168.0       54.9       94.1      111.0        2.2        2.4        4.3       11.8
    3        4.0       11.3      117.0       61.3      144.0       41.6      107.0      112.0        3.1        1.5        4.4       11.4
    4        6.9       11.5      120.0      117.0      286.0      137.0      115.0      113.0        2.8        1.6        4.2       12.3
    5        6.0       15.1      131.0      133.0        4.2      137.0       87.3       97.0       31.0        1.3        5.4       11.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         3.3       18.3       56.8       54.5        4.0      131.0      119.0      116.0      104.0        1.4        4.2       10.9
   7         3.3       18.3       56.8       54.5        4.0      131.0      119.0      116.0      104.0        1.4        4.2       10.9
   8         1.7        1.6       53.1      111.0       26.5       38.1      173.0      104.0      122.0        1.8        4.2        1.7
   9         1.6        1.7      127.0      109.0       50.6      120.0      183.0       91.1      135.0        1.8        3.9        1.5
   10        1.8        2.0      127.0      117.0       21.6      137.0      181.0       56.6      168.0        4.1        5.1        1.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        3.2        2.2      136.0      118.0      131.0      242.0      127.0        5.0      182.0        6.9        5.5        2.5
   12        4.8        2.1      138.0      118.0      133.0      246.0      174.0        3.3      238.0        9.1        3.0        6.7
   13        5.4        5.2      142.0      122.0      135.0      145.0      170.0        2.9      291.0        3.2        2.3       10.6
   14        5.3      104.0      148.0      126.0      135.0       74.1      172.0        2.5      275.0        2.2        1.9        1.9
   15        1.8        2.0      207.0      122.0      123.0      100.0      182.0        3.1      272.0        1.9        1.8        1.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.8        1.7      280.0      124.0      116.0      106.0      192.0        2.9      261.0        1.9        1.3        2.3
   17        2.3        1.8        7.0      123.0      129.0      113.0      143.0        2.5      260.0        1.6        1.6        8.5
   18        1.9        2.0       13.6      142.0      170.0      122.0      160.0        2.3      257.0        1.3        1.6       27.3
   19        2.1        2.2        5.8      150.0      183.0       74.1      167.0        2.1      215.0        1.5        1.6       38.8
   20        1.8        2.3       12.7      141.0      170.0        5.5      157.0        2.0      179.0        2.0        1.6        3.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        2.1        2.2      286.0      142.0      134.0        4.3      156.0        1.9      171.0        1.4        1.8        2.5
   22        2.0        2.0        9.4      139.0      163.0        4.9      156.0        2.2      122.0        1.5        1.5        2.1
   23        2.0       18.4        7.0       75.8      173.0        5.3      151.0        1.9      172.0        1.3        1.5        2.2
   24        2.0        2.3      143.0        8.5      182.0       88.3      102.0        2.1       47.0        1.6        1.6        2.0
   25        2.4       39.8       16.9        5.8      177.0      204.0      120.0        2.4        2.4        1.2        1.7        2.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.9        2.1       11.6        4.5      175.0      115.0      116.0        1.9        2.2        1.4        1.9        1.9
   27        1.7        1.8        9.4        3.7      139.0      125.0      120.0        2.3        5.7        1.2        1.3        1.6
   28        1.8        1.9       16.7        4.3      135.0      128.0      124.0        2.0        8.7        1.4        1.7        5.0
   29        2.0        1.8       13.3        3.7         .0      129.0      120.0        2.2        4.5        1.4        9.7        9.4
   30        2.5       60.2       12.6       64.1         .0      106.0      126.0        1.9        3.3        1.3       11.7        9.4
   31        5.8         .0       17.2      156.0         .0       81.9         .0        1.7         .0        1.8       11.6         .0

 ==========================================================================================================================================
 TOTAL      88.1      347.4    2,603.9    2,732.0    3,573.2    3,136.1    4,231.1    1,069.8     3,651.7       67.6      111.7     222.8
 MEAN        2.8       11.6       84.0       88.1      127.6      101.2      141.0       34.5      121.7        2.2        3.6        7.4
 MAX         6.9      104.0      286.0      156.0      286.0      246.0      192.0      121.0      275.0        7.1       11.7       38.8
 MIN          .0        1.6        3.8        3.7        4.0        4.3       85.7        1.7        1.8        1.3        1.3        1.4

 ANNUAL DATA
 WTR YEAR 1989 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    43,309.9             21,835.4                         60.0                        286.0                          1.3

 INSTANTANEOUS DATA
 INST_MAXFLOW    3,408.0      INST_MAXTIME  0315            INST_MAXDATE  12/21/88
 INST_MINFLOW         .6      INST_MINTIME  0045            INST_MINDATE  07/19/89

