                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                F250-R       SAN GABRIEL-AZUSA CONDUIT 25FT WEIR BELOW DAM                               RATING NO.   35-01
                                         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       75.7       79.4       44.9       44.9       46.9       68.3       77.7       76.9       81.2       81.9       76.9       78.2
    2       74.5       78.2       44.9       44.9       45.9       75.7       78.4       78.4       81.2       81.2       78.2       76.9
    3       74.5       78.2       45.9       44.9       45.9       73.2       78.4       82.5       80.5       81.2       78.2       76.9
    4       75.7       53.3       45.9       44.9       45.9       74.1       79.1       81.9       80.5       79.8       78.2       76.9
    5       76.9       44.9       45.9       44.9       44.9       72.0       79.1       81.9       80.5       83.9       78.2       76.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6        79.4       44.9       45.9       44.9       44.9       73.2       77.7       47.2       79.8       83.2       78.2       76.9
   7        79.4       44.9       45.9       44.9       44.9       73.2       77.7       47.2       79.8       83.2       78.2       76.9
   8        80.7       43.9       45.9       43.9       45.9       75.7       76.4       52.2       81.9       79.8       79.4       75.7
   9        79.4       44.9       45.9       43.9       64.8       73.2       76.4       73.9       82.5       79.1       79.4       75.7
   10       79.4       44.9       45.9       44.9       74.5       71.9       76.4       83.2       81.9       77.7       79.4       75.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   11       78.2       44.9       45.9       45.9       74.5       70.7       76.4       82.5       81.2       81.9       79.4       75.7
   12       78.2       44.9       45.9       44.9       74.5       73.2       76.4       82.5       80.5       83.2       79.4       75.7
   13       76.9       45.9       45.9       44.9       74.5       74.5       75.7       83.2       80.5       82.5       80.7       75.7
   14       76.9       45.9       34.1       44.9       74.5       75.7       75.7       82.5       83.2       81.2       80.7       75.7
   15       80.7       45.9       45.9       44.9       74.5       72.0       77.1       82.5       83.9       83.2       80.7       75.7

 ------------------------------------------------------------------------------------------------------------------------------------------
   16       78.2       45.9       44.9       44.9       74.5       73.2       77.7       82.5       83.9       84.6       80.7       76.9
   17       74.5       44.9       44.9       45.9       74.5       75.7       77.7       83.2       83.2       81.2       79.4       76.9
   18       79.4       44.9       44.9       45.9       74.5       75.7       79.1       83.2       82.5       79.8       78.2       76.9
   19       80.7       44.9       44.9       45.9       74.5       74.5       81.2       82.5       81.9       80.5       79.4       76.9
   20       80.7       44.9       44.9       44.9       74.5       74.5       81.9       82.5       81.9       81.2       79.4       78.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21       80.7       44.9       45.9       44.9       73.2       74.5       81.9       82.5       81.2       81.2       79.4       78.2
   22       80.7       44.9       45.9       44.9       73.2       74.5       81.9       82.5       81.2       81.9       79.4       78.2
   23       80.7       44.9       45.9       45.9       74.5       75.7       81.9       82.5       80.5       81.9       79.4       78.2
   24       80.7       44.9       44.9       45.9       74.5       74.5       81.9       82.5       79.8       82.5       80.7       78.2
   25       80.7       44.9       44.9       45.9       74.5       74.5       82.5       82.5       79.1       80.3       78.2       78.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       80.7       44.9       44.9       45.9       74.5       74.5       83.2       81.9       79.1       78.4       76.9       74.5
   27       80.7       43.9       45.9       45.9       74.5       74.5       82.5       81.9       78.4       79.1       76.9       74.5
   28       79.4       43.9       44.9       45.9       67.2       74.5       82.5       81.9       81.9       78.9       78.2       79.4
   29       79.4       43.9       45.9       46.9         .0       74.5       80.5       81.9       83.2       79.8       78.2       78.2
   30       79.4       43.9       44.9       46.9         .0       74.5       81.2       81.9       82.5       79.8       78.2       76.9
   31       79.4         .0       44.9       45.9         .0       74.5         .0       81.2         .0       80.5       78.2         .0

 ==========================================================================================================================================
 TOTAL   2,443.8    1,454.5    1,398.1    1,404.9    1,835.6    2,295.9    2,374.9    2,440.0     2,439.4    2,512.6    2,447.2   2,304.3
 MEAN       78.8       48.5       45.1       45.3       65.6       74.1       79.2       78.7       81.3       81.1       78.9       76.8
 MAX        80.7       79.4       45.9       46.9       74.5       78.2       83.2       83.2       83.9       84.6       80.7       79.4
 MIN        74.5       43.9       34.1       43.9       44.9       68.3       75.7       47.2       78.4       77.7       76.9       74.5

 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
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    50,283.4             25,351.2                          2.3                         84.6                         34.1

 INSTANTANEOUS DATA
 INST_MAXFLOW       97.9      INST_MAXTIME  1042            INST_MAXDATE  03/04/83
 INST_MINFLOW       41.8      INST_MINTIME  1029            INST_MINDATE  11/04/82

