                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                     F190-R       SAN GABRIEL RIVER AT FOOTHILL BLVD.                               RATING NO.   54-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1979

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .1        8.8       29.8        1.2       93.0      288.0       11.6      354.0      455.0       49.4         .4         .0
    2        3.1       24.0       29.8        2.3       67.5      329.0       48.7      398.0      455.0       46.4         .3         .0
    3       15.3       27.9       29.8        3.5       46.4      313.0      299.0      379.0      455.0       29.8         .3         .0
    4       17.8       25.9       29.8      115.0       35.6      304.0      427.0      398.0      455.0       20.8         .2         .0
    5       22.8       27.9       29.8      389.0       31.8      313.0      408.0      398.0      455.0       19.0         .2         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6        22.8       27.9       29.8      389.0       27.9      337.0      408.0      398.0      455.0       43.4         .2         .0
   7        22.8       27.9       29.8      389.0       27.9      337.0      408.0      398.0      455.0       43.4         .2         .0
   8        20.3       22.8       29.8      354.0       22.8      370.0      408.0      398.0      111.0        8.8         .2         .0
   9        20.3       21.5       29.8      417.0       22.8      370.0      417.0      398.0       67.5        4.6         .1         .0
   10       20.3       22.8       31.8      477.0       25.9      370.0      489.0      398.0       55.4       41.5         .1         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11       20.3       22.8       29.8      477.0       25.9      370.0      513.0      389.0       52.4       76.7         .1         .0
   12       20.3       21.5       29.8      465.0       25.9      362.0      513.0      389.0       49.4       80.0         .1         .0
   13       20.3       20.3       29.8      465.0       27.9      362.0      513.0      389.0       64.5       76.7         .1         .0
   14       20.3       20.3       31.8      465.0       53.7      362.0      501.0      389.0       76.7       27.9         .1         .0
   15       20.3       20.3       31.8      417.0       27.9      362.0      501.0      398.0       49.4        8.1         .1         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16       21.5       20.3       31.8      281.0       25.9      362.0      513.0      455.0        1.2        3.8         .1         .0
   17       96.0       20.3       49.4      217.0       25.9      389.0      525.0      465.0         .7        3.5         .1         .0
   18      281.0       21.5       64.5       37.6       24.0      379.0      525.0      465.0       80.0       49.4         .1         .0
   19      296.0       21.5       49.4       25.9       22.8      342.0      525.0      465.0       99.5       35.6         .1         .0
   20      313.0       22.8       39.5       22.8       25.9      379.0      513.0      465.0      106.0       29.8         .1         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21      321.0       24.0       19.0       20.3       86.5      337.0      489.0      465.0       99.5       15.3         .1         .0
   22      329.0       22.8        3.8      129.0       41.5      337.0      489.0      465.0       43.4        3.8         .1         .0
   23      321.0       24.0        3.8      321.0       67.5      379.0      489.0      465.0       29.8        3.1         .1         .0
   24      304.0       24.0        3.5      362.0      160.0      370.0      489.0      477.0       25.9        2.3         .1         .0
   25      313.0       24.0        3.5      362.0      160.0      370.0      489.0      477.0       27.9        1.9         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26      321.0       24.0      107.0      354.0      197.0      362.0      408.0      477.0       29.8        1.2         .0         .0
   27      235.0       24.0      313.0      345.0      238.0      278.0      197.0      477.0       41.5         .8         .0         .0
   28         .5       25.9      288.0      337.0      238.0       46.4      160.0      465.0       46.4         .7         .0         .0
   29         .4       25.9      206.0      329.0         .0       37.6      154.0      465.0       49.4         .5         .0         .0
   30         .5       25.9        1.9      274.0         .0       24.0      166.0      465.0       49.4         .5         .0         .0
   31         .7         .0        3.1      106.0         .0       16.6         .0      455.0         .0         .4         .0         .0

 ==========================================================================================================================================
 TOTAL   3,418.2      691.5    1,640.2    8,322.6    1,873.9    9,565.6   11,996.3   13,339.1     4,340.7      709.7        3.6        .0
 MEAN      110.0       23.0       52.9      268.0       66.2      309.0      400.0      430.0      145.0       22.9         .1         .0
 MAX       329.0       27.9      313.0      477.0      238.0      389.0      525.0      477.0      455.0       80.0         .4         .0
 MIN          .1        8.8        1.9        1.2       22.8       16.6       11.6      354.0         .7         .4         .0         .0

 ANNUAL DATA
 WTR YEAR 1979 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                   110,878.6             55,901.3                          5.0                        525.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW      720.0      INST_MAXTIME  0930            INST_MAXDATE  03/27/79
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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