                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                      F192B-R       RIO HONDO BELOW LOWER AZUSA ROAD                               RATING NO.   69-01
                                         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      182.0      169.0        2.3         .1        2.3      292.0      101.0       90.5       57.5       95.2       14.8        3.1
    2      189.0      175.0        2.3         .1        9.0      350.0      157.0       81.1       54.3       60.6       13.6        2.3
    3      169.0      175.0        2.3       13.9        3.8      350.0      114.0       76.4       57.5       63.8       12.5        1.9
    4      163.0      182.0        2.3       29.4        6.9      350.0       57.6       71.7       57.5       67.0       11.4        1.6
    5      151.0      182.0        2.3       19.8        8.0      334.0        3.8       71.7       54.3      114.0       10.2        1.6

 ------------------------------------------------------------------------------------------------------------------------------------------
   6       144.0      182.0        2.3       12.5        6.9      245.0        9.1       67.0       51.1      169.0        9.1        1.2
   7       144.0      182.0        2.3       12.5        6.9      245.0        9.1       67.0       51.1      169.0        9.1        1.2
   8       138.0      189.0      144.0        4.6        9.4       35.2        8.0       60.6       44.7      169.0        6.9         .8
   9       138.0      115.0      144.0        3.8        6.9       47.9        6.9       63.8       41.6      169.0        5.7         .8
   10      132.0        8.3      138.0        3.1        6.9       60.6        6.9       60.6       38.4      169.0        5.7         .7

 ------------------------------------------------------------------------------------------------------------------------------------------
   11      132.0        3.5      132.0        1.9        8.0       63.8       10.2       60.6       35.2      163.0        4.6         .7
   12      132.0        3.5      132.0         .7        8.0       63.8       10.2       57.5       35.2      157.0        4.2         .7
   13      132.0        3.1      132.0         .6        8.0      107.0        9.1       54.3       35.2      151.0        3.8         .7
   14      132.0        3.1      126.0         .5        8.0      103.0       10.2      202.0       60.6      144.0        3.5         .6
   15      109.0        3.1      126.0         .2        8.0       63.8        8.0      350.0       99.9      281.0        3.1         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   16       71.7        3.1       99.9         .1        8.0      133.0        8.0      304.0      126.0      244.0        3.5         .6
   17       51.1       88.9       76.4         .1        8.0      114.0       14.2      175.0      138.0      274.0        3.8         .7
   18       38.4      196.0       54.3         .1        9.1      181.1      118.0      151.0      151.0      318.0        6.2         .7
   19       27.5      203.0       31.3       12.2        9.1       81.1       17.8       84.8      157.0      350.0        4.2         .5
   20       14.8      189.0       17.8        2.3        8.0       57.5      162.0       15.9      163.0      342.0        3.5         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21       10.2      182.0       11.4        2.3        8.0      111.0      144.0       13.6      163.0      334.0        3.1         .1
   22        5.7      110.0       27.1       18.5        8.0       67.0       44.7       11.4      163.0      231.0        3.1         .0
   23        3.5        4.2        2.7       15.3        8.0       49.6       33.3       48.9      163.0       35.2        3.5         .0
   24        2.7       84.0        2.7       15.6        8.0      106.0       31.3       62.2      157.0       33.3        3.1         .0
   25        1.6      132.0         .6        1.9        8.7       41.6       29.4        1.9      157.0       31.3        4.2         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       10.8      126.0         .2        1.6       23.3       41.6       31.3        2.3      151.0       29.4        6.9         .0
   27       57.5      120.0         .2       34.8       45.3       38.4       27.5       26.3      144.0       25.5        5.7         .0
   28      105.0      120.0         .1       20.8      187.0       45.2       46.1       60.6      144.0       23.6        4.6         .0
   29      132.0       74.1         .2      126.0         .0       31.3      206.0       57.5      144.0       19.8        4.2       10.6
   30      151.0       47.1         .1       15.9         .0       40.1      152.0       57.5      144.0       17.8        3.5        7.2
   31      157.0         .0         .1        2.7         .0       27.5         .0       57.5         .0       15.9        3.5         .0

 ==========================================================================================================================================
 TOTAL   3,021.5    3,262.0    1,490.1      369.4      447.7    3,752.0    1,585.6    2,562.0     3,035.9    4,466.4      183.7      38.8
 MEAN       97.5      109.0       48.1       11.9       16.0      121.0       52.9       82.6      101.0      144.0        5.9        1.3
 MAX       189.0      203.0      144.0      126.0      187.0      350.0      206.0      350.0      163.0      350.0       14.8       10.6
 MIN         1.6        3.1         .1         .1        2.3       27.5        3.8        1.9       35.2       15.9        3.1         .0

 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
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    48,029.9             24,215.1                         66.3                        350.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW      350.0      INST_MAXTIME  0100            INST_MAXDATE  04/18/83
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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