                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                     F190-R       SAN GABRIEL RIVER AT FOOTHILL BLVD.                               RATING NO.   75-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1977

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       19.2         .0         .0         .0      128.0         .0         .0         .0         .0         .0       21.3         .0
    2       19.2         .0         .0         .0      128.0        2.5         .0       11.6       15.3         .0       21.3         .0
    3       19.2         .0         .0       35.1       78.3         .9         .0       22.4       29.3         .0       21.3         .0
    4       19.2         .0         .0       67.4        4.7         .3         .0       22.4       31.0         .0       21.3         .0
    5       47.6         .0         .0       98.0        3.6         .0         .0       22.4       32.7         .3       21.3         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6       203.0         .0         .0      119.0        3.2         .0         .0       22.4       32.7         .0       21.3         .0
   7       203.0         .0         .0      119.0        3.2         .0         .0       22.4       32.7         .0       21.3         .0
   8       226.0        9.3       11.0      111.0       31.0       20.3         .0       31.0       32.7         .0       21.3         .0
   9       226.0       12.6       22.4      102.0       31.0       14.7         .0       38.7       32.7         .0       21.3         .0
   10      226.0         .0       22.4      119.0       31.0         .0         .0       32.7       32.7         .0       21.3         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11      203.0         .0       22.4      141.0       31.0       11.3         .0       29.3       31.0       11.1       22.4         .0
   12      185.0         .7       22.4      137.0       31.0       24.1        9.2       29.3       31.0       24.1       22.4         .0
   13      185.0         .0       10.7      141.0       31.0       25.8       22.4       27.6       29.3       24.1       22.4         .0
   14      190.0         .0         .0      141.0       31.0       24.1       22.4       25.8       29.3       24.1       22.4         .0
   15      127.0        9.6         .0      141.0       13.7       22.4       21.3       25.8       29.3       24.1       21.3         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.0       20.3         .0      137.0         .0       18.1       21.3       25.8       25.8       24.1       24.1         .0
   17         .2       20.3         .0      137.0         .0         .1       21.3       25.8       22.4       24.1       34.3         .0
   18         .0       20.3         .0      141.0         .0         .0       21.3       24.1       21.3       24.1       27.6         .0
   19         .0       13.1         .0      128.0         .0         .0       21.3       24.1       21.3       22.4       24.1         .0
   20         .0         .0         .0      119.0         .0         .0        9.9       24.1       21.3       22.4       22.4         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .0         .0         .0      119.0         .0         .0         .0       24.1        7.2       22.4       21.3         .0
   22        5.5         .0         .0      119.0         .0         .0         .0       24.1         .0       22.4       22.4         .0
   23        2.0         .0         .0      124.0         .2         .0         .0       17.3         .0       22.4        9.8         .0
   24         .0         .0         .0      124.0        1.5         .0         .0         .0         .0       22.4         .0         .0
   25         .0         .0         .0      124.0         .5        1.9         .0         .0         .0       22.4         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       11.8         .0         .0      128.0         .0         .0         .0         .0         .0       22.4         .0         .0
   27       21.3         .0         .0      128.0         .0         .0         .0         .0         .0       21.3         .0         .0
   28       21.3         .0         .0      128.0         .0         .0         .0         .0         .0       21.3         .0         .0
   29       21.3         .0         .0      124.0         .0         .0         .0         .0         .0       21.3         .0         .0
   30       21.3         .0         .0      124.0         .0         .0         .0         .0         .0       21.3         .0         .0
   31       13.5         .0         .0      124.0         .0         .0         .0         .0         .0       21.3         .0         .0

 ==========================================================================================================================================
 TOTAL   2,240.6      106.2      111.3    3,512.5      596.5      175.8      170.4      553.2       541.0      465.8      509.9        .0
 MEAN       72.3        3.5        3.6      113.0       21.3        5.7        5.7       17.8       18.0       15.0       16.4         .0
 MAX       226.0       20.3       22.4      141.0      128.0       25.8       22.4       38.7       32.7       22.4       34.3         .0
 MIN          .0         .0         .0         .0         .0         .0         .0         .0         .0         .0         .0         .0

 ANNUAL DATA
 WTR YEAR 1977 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    17,817.9              8,983.2                         24.2                        226.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW      248.0      INST_MAXTIME  1900            INST_MAXDATE  10/14/76
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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