                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                      F190-R       SAN GABRIEL RIVER AT FOOTHILL BLVD.                               RATING NO.   83 I
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1987

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .0         .0       94.0        5.0       63.0       94.0       76.0         .0         .0         .0         .0         .0
    2         .0         .0      100.0        3.8       66.5       94.0       76.0         .0         .0         .0         .0         .0
    3         .0        6.7      100.0        1.1       70.0       88.0       76.0         .0         .0         .0         .0         .0
    4         .0       16.3       94.0       10.8       70.0       76.0       76.0         .0         .0         .0         .0         .0
    5         .0       14.2      106.0        4.8       70.0       76.0       76.0         .0         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .0       12.8      112.0        4.2       70.0       82.0       76.0         .0         .0         .0         .0         .0
   7          .0       12.8      112.0        4.2       70.0       82.0       76.0         .0         .0         .0         .0         .0
   8          .0       11.4       82.0         .9       63.0       70.0       76.0         .0         .0         .0         .0         .0
   9          .0       11.4       70.0       26.0       66.5       76.0       76.0         .0         .0         .0         .0         .0
   10         .0       10.7       70.0       70.0       63.0       70.0       76.0         .0         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .0       10.7       70.0       76.0       63.0       70.0       76.0         .0         .0         .0         .0         .0
   12         .0       10.7       70.0       82.0       63.0       76.0       76.0         .0         .0         .0         .0         .0
   13         .0       10.0       70.0       82.0       70.0       76.0       76.0         .0         .0         .0         .0         .0
   14         .0       10.7       70.0       88.0       63.0       76.0       76.0         .0         .0         .0         .0         .0
   15         .0       10.0       70.0       88.0       63.0       76.0       76.0         .0         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .0       10.7       76.0       88.0       63.0       76.0       76.0         .0         .0         .0         .0         .0
   17         .0       11.4       76.0       88.0       63.0       82.0       76.0         .0         .0         .0         .0         .0
   18         .0       15.6       70.0       88.0       63.0       76.0       76.0         .0         .0         .0         .0         .0
   19         .0       42.0       70.0       88.0       70.0       76.0       76.0         .0         .0         .0         .0         .0
   20         .0       76.0       70.0       88.0       70.0       66.5       76.0         .0         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .0       88.0       70.0       88.0       49.0       76.0       76.0         .0         .0         .0         .0         .0
   22         .0       88.0       70.0       82.0       56.0       76.0       49.0         .0         .0         .0         .0         .0
   23         .0       88.0       76.0       82.0       66.5       82.0        7.9         .0         .0         .0         .0         .0
   24         .0       88.0       70.0       76.0       76.0       94.0        7.0         .0         .0         .0         .0        1.6
   25         .0       94.0       76.0       82.0       70.0       88.0        6.8         .0         .0         .0         .0        6.4

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .0       94.0       76.0       76.0       88.0       88.0        6.2         .0         .0         .0         .0        5.8
   27         .0       94.0       76.0       76.0       88.0       88.0        6.0         .0         .0        1.1         .0        5.4
   28         .0       94.0       76.0       63.0       94.0       82.0        4.6         .0         .0        6.2         .0        5.0
   29         .0       94.0       31.4       59.5         .0       82.0        1.0         .0         .0        5.2         .0        4.8
   30         .0       94.0        6.6       59.5         .0       76.0         .0         .0         .0        4.0         .0        4.6
   31         .0         .0        5.8       63.0         .0       76.0         .0         .0         .0        2.5         .0         .0

 ==========================================================================================================================================
 TOTAL        .0    1,219.4    2,279.8    1,794.2    1,900.0    2,460.5    1,684.5         .0          .0       19.0         .0      33.6
 MEAN         .0       40.6       73.5       57.9       67.9       79.4       56.1         .0         .0         .6         .0        1.1
 MAX          .0       94.0      112.0       88.0       94.0       94.0       76.0         .0         .0        6.2         .0        6.4
 MIN          .0         .0        5.8         .9       49.0       66.5         .0         .0         .0         .0         .0         .0

 ANNUAL DATA
 WTR YEAR 1987 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    22,593.7             11,391.0                         31.2                        112.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW      130.0      INST_MAXTIME  0800            INST_MAXDATE  03/06/88
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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