                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
              F250-R       SAN GAB.-AZUSA CONDUIT 25' WEIR BELOW SAN GAB. DAM                               RATING NO.   35-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1981

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       99.3       96.5       55.6       55.6       56.7       53.4       55.6       55.6       45.9       39.8       39.8       40.8
    2       99.3       96.5       55.6       55.6       56.7       53.4       55.6       55.6       45.9       39.8       39.8       40.8
    3       99.3       95.1       55.6       55.6       56.7       54.5       56.7       55.6       45.9       39.8       39.8       40.8
    4       99.3       81.3       55.6       55.6       56.7       56.7       56.7       55.6       41.8       39.8       39.8       39.8
    5       99.3       57.8       55.6       55.6       56.7       55.6       56.7       54.5       40.8       39.8       39.8       39.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   6        99.3       57.8       55.6       55.6       56.7       55.6       56.7       56.7       40.8       39.8       40.8       39.8
   7        99.3       57.8       55.6       55.6       56.7       55.6       56.7       56.7       40.8       39.8       40.8       39.8
   8        97.9       57.8       55.6       55.6       56.7       52.3       55.6       54.5       39.8       39.8       40.8       39.8
   9        99.3       57.8       55.6       55.6       56.7       55.6       56.7       54.5       38.8       39.8       39.8       39.8
   10       99.3       57.8       55.6       55.6       56.7       56.7       56.7       55.6       39.8       39.8       39.8       39.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   11       99.3       59.0       54.1       55.6       56.7       54.5       56.7       55.6       39.8       39.8       39.8       39.8
   12       97.9       34.5       55.6       55.6       56.7       55.6       56.7       55.6       39.8       39.8       39.8       39.8
   13       99.3       47.8       55.6       55.6       56.7       54.5       56.7       53.4       39.8       39.8       40.8       38.8
   14       99.3       56.7       55.6       54.5       56.7       54.5       56.7       52.3       39.8       39.8       40.8       39.8
   15       96.5       56.7       55.6       54.5       56.7       55.6       56.7       54.5       40.8       39.8       40.8       40.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   16       91.8       56.7       55.6       54.5       56.7       66.3       54.5       55.6       39.8       39.8       40.8       40.8
   17       96.5       56.7       55.6       54.5       56.7       75.7       54.5       55.6       39.8       39.8       39.8       40.8
   18       95.1       56.7       55.6       54.5       56.7       76.9       54.5       52.3       39.8       39.8       39.8       39.8
   19       95.1       53.4       55.6       54.5       56.7       66.0       55.6       50.2       39.8       39.8       39.8       39.8
   20       95.1       51.3       55.6       54.5       54.5       55.6       55.6       50.2       39.8       39.8       39.8       39.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   21       95.1       54.5       55.6       54.5       53.4       55.6       55.6       50.2       39.8       39.8       39.8       39.8
   22       95.1       53.4       55.6       54.5       52.3       54.5       55.6       49.1       38.8       39.8       39.8       39.8
   23       95.1       52.3       55.6       54.5       54.5       54.5       55.6       50.2       39.8       39.8       39.8       39.8
   24       95.1       53.4       55.6       54.5       55.6       54.5       55.6       49.1       39.8       39.8       39.8       39.8
   25       93.8       53.4       55.6       54.5       53.4       54.5       56.7       50.2       39.8       39.8       39.8       39.8

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       93.8       53.4       55.6       54.5       52.3       54.5       54.5       50.2       39.8       39.8       40.8       39.8
   27       93.8       53.4       55.6       54.5       52.3       55.6       53.4       50.2       39.8       38.8       40.8       39.8
   28       93.8       52.3       55.6       54.5       53.4       55.6       55.6       46.9       39.8       12.5       40.8       39.8
   29       95.1       52.3       55.6       55.6         .0       55.6       54.5       45.9       39.8         .0       40.8       39.8
   30       95.1       54.5       55.6       56.7         .0       55.6       55.6       45.9       39.8         .0       40.8       39.8
   31       95.1         .0       55.6       56.7         .0       55.6         .0       45.9         .0       25.2       40.8         .0

 ==========================================================================================================================================
 TOTAL   2,998.4    1,778.6    1,722.1    1,709.3    1,559.0    1,769.6    1,672.4    1,626.3     1,216.3    1,111.3    1,246.8   1,199.0
 MEAN       96.7       59.3       55.6       55.1       55.7       57.1       55.7       52.5       40.5       35.8       40.2       40.0
 MAX        99.3       96.5       55.6       56.7       56.7       76.9       56.7       59.0       45.9       39.8       40.8       40.8
 MIN        91.8       34.5       54.1       54.5       57.8       52.3       53.4       45.9       38.8         .0       39.8       38.8

 ANNUAL DATA
 WTR YEAR 1981 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    38,894.1             19,609.1                         53.7                         99.3                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW      105.0      INST_MAXTIME  1200            INST_MAXDATE  03/16/81
 INST_MINFLOW         .0      INST_MINTIME  0745            INST_MINDATE  07/28/81

