                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                     F81D-R       ALHAMBRA WASH NEAR KLINGERMAN STREET                               RATING NO.   43-01
                                         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         .4         .2         .3         .2         .2    1,050.0         .3        7.1         .9        1.1        1.4        1.1
    2         .4         .2         .2         .2       95.2      915.0         .2         .6         .6         .9        1.4        1.1
    3         .6         .2         .2         .2        1.7       42.1         .2         .4         .6        1.1        1.4        1.1
    4         .6         .2         .3         .2         .3         .6         .2         .4         .6        1.1        1.4         .9
    5         .6         .3         .2         .2       20.5        3.8        2.4         .4         .6        1.1        1.4         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6         .2         .2         .3         .4        3.2         .3         .4         .6        1.1        1.1        1.1
   7          .6         .2         .2         .3         .4        3.2         .3         .4         .6        1.1        1.1        1.1
   8          .6      216.0         .3         .2       35.9         .2         .3         .4         .6         .9        1.1        1.1
   9          .6       55.4         .3         .3         .3         .2         .3         .4         .9         .9         .9        1.1
   10         .6         .2         .3         .2         .3         .2         .2         .4         .9         .9        1.1        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .6         .2         .3         .2         .3         .3         .3         .4         .6        1.1        1.1        1.1
   12         .6         .2         .3         .2         .3         .2         .2         .4         .6        1.1        1.1        1.6
   13         .6         .2         .3         .3        2.1       32.2         .3         .6         .6        1.4        1.1        1.4
   14         .6         .2         .3         .3         .3        1.2         .3         .6         .6        1.4        1.4        1.1
   15         .6         .2         .3         .3         .4         .2         .3         .6         .6        1.4        5.8        1.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .6         .2         .3         .3         .2       22.3         .3         .6         .9        1.1        2.6        1.1
   17         .9         .2         .3         .4         .2       11.0       21.5         .6         .9        1.1        1.6        1.1
   18         .9       23.1         .3         .3         .2       46.1      185.0         .6         .9        1.4       39.4        1.1
   19         .6       44.4         .3       72.1         .2         .3         .4         .6         .9        1.6       57.0        1.1
   20         .6         .2         .3         .2         .2         .2      336.0         .6         .9        1.4        1.1        1.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .6         .2         .3         .2         .2      118.0       22.0         .6         .9        1.4         .6        2.4
   22         .6         .2      196.0      172.0         .2       20.4         .6         .6         .9        1.4         .4         .6
   23         .6         .2         .8      144.0         .2       15.6         .6         .9         .6        1.4         .6         .6
   24         .9         .2         .2      172.0       16.3      102.0         .6         .6         .9        1.4         .6         .6
   25         .6         .2         .2         .4         .3         .2         .6         .9         .9        1.4         .6         .5

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       12.7         .2         .2         .2      132.0         .2         .6         .6         .9        1.4        2.9        1.1
   27         .3         .2         .3      436.0      215.0         .2         .6         .9         .9        1.4        3.6         .9
   28         .2         .2         .3      116.0       75.0       13.3       61.3         .9         .9        1.4         .6         .4
   29         .2       13.0         .3      113.0         .0         .2      159.0         .9         .9        1.4         .9       69.5
   30        1.9      368.0         .2         .3         .0         .2       30.0         .9         .9         .2         .9      152.0
   31         .2         .0         .1         .3         .0         .2         .0         .9         .0         .2         .1         .0

 ==========================================================================================================================================
 TOTAL      31.0      725.0      204.5    1,231.2      635.3    2,400.1      825.2       25.2        23.1       36.0      136.6     251.1
 MEAN        1.0       24.2        6.6       39.7       22.7       77.4       27.5         .8         .8        2.3        4.3        7.1
 MAX        12.7      368.0      196.0      436.0      215.0    1,050.0      336.0         .9         .9        1.6       57.0      152.0
 MIN          .2         .2         .1         .2         .2         .2        6.2         .6         .6         .9         .6       10.6

 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
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    12,940.8              6,524.3                         17.8                      1,050.0                           .1

 INSTANTANEOUS DATA
 INST_MAXFLOW    7,010.0      INST_MAXTIME  0830            INST_MAXDATE  03/01/83
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

