                                                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 1977

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        1.8        1.1         .9        1.8        1.1         .3         .4        4.8         .3         .3         .3         .6
    2        1.6        1.4         .9      111.0        1.1         .3         .4         .3         .3         .3         .3         .6
    3        1.8        1.6         .9      252.0        1.1         .4         .4         .3         .3         .3         .3         .9
    4        1.6        1.8        1.1        2.3        1.1         .4         .4         .3         .3         .3         .4         .9
    5        1.6        1.6        1.1       83.3        1.1         .4         .4         .3         .3         .3         .3         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         1.6        1.4        1.1       98.9         .9         .4         .3         .3         .3         .3         .3         .9
   7         1.6        1.4        1.1       98.9         .9         .4         .3         .3         .3         .3         .3         .9
   8         1.6        1.1        1.1        2.6         .9         .4         .4      218.0         .3         .3         .3         .9
   9         1.6        1.1        1.4        1.4         .6         .4         .6      139.0         .4         .3         .3         .6
   10        1.8         .9        1.4        1.4         .9         .3         .6        1.1         .4         .4         .3         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        1.6       16.1        1.4        1.1         .6         .4         .6         .4         .3         .4         .3         .6
   12        1.6      102.0        1.4         .9         .6         .4         .4        3.3         .3         .4         .3         .6
   13        1.6        1.4        1.4         .9         .6         .3         .4         .3         .6         .3         .3         .9
   14        1.6        1.4        1.6        1.4         .9         .3         .4         .3         .4         .4         .3         .9
   15        1.6        1.1        1.6         .9        1.1         .4         .6         .3         .3         .4         .3         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.4        1.1        1.6         .9        1.1       84.0         .4         .3         .3         .6        6.7         .9
   17         .9        1.1        1.6         .6        1.1         .9         .4         .3         .3         .3      201.0         .9
   18         .9        1.1        1.6         .4        1.1         .4         .6         .3         .3         .3        2.3         .6
   19         .9        1.1        1.6         .6        1.1         .4         .4         .3         .3         .4         .4         .6
   20         .9        1.4        1.6        4.6        1.1         .4         .4         .3         .3         .4         .3         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .6        1.4        1.6        1.1        1.1         .6         .4         .3         .3         .4         .3         .9
   22       64.7        1.1        1.4         .9        1.4         .4         .4         .3         .3         .4         .4         .9
   23      130.0        1.1        1.4         .9        8.8        1.3         .4       16.7         .3         .4         .4         .9
   24        1.4        1.1        1.4         .6        3.3       10.0         .6        7.0         .4         .3         .4         .9
   25         .9         .9        1.1         .6        1.4      130.0         .4         .3         .3         .3        1.4         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .9         .9        1.1         .9        1.4        1.1         .4         .3        1.1         .4        2.1         .9
   27         .9         .9        1.1         .6        1.1         .4         .3         .3        1.1         .4        2.3        1.1
   28         .9         .6        1.4         .4        1.1         .4         .3         .3         .3         .3        2.3         .9
   29         .9         .6        1.4         .6         .0         .4         .3         .3         .3         .4        1.8        1.1
   30         .9         .9       55.8         .6         .0         .4         .3         .3         .3         .4         .9         .9
   31         .6         .0        9.0         .9         .0         .3         .0         .3         .0         .4         .6         .0

 ==========================================================================================================================================
 TOTAL     232.3      150.7      103.1      742.1       38.6      236.9       12.7      397.2        11.4       11.1      228.2      25.0
 MEAN        7.5        5.0        3.3       23.9        1.4        7.6         .4       12.8         .4         .4        7.4         .8
 MAX       130.0      102.0       55.8      252.0        8.8      130.0         .6      218.0        1.1         .6      201.0        1.1
 MIN          .6         .6         .9         .4         .6         .3         .3         .3         .3         .3         .3         .6

 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
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     4,342.4              2,189.3                          6.0                        252.0                           .3

 INSTANTANEOUS DATA
 INST_MAXFLOW    1,770.0      INST_MAXTIME  2251            INST_MAXDATE  10/22/76
 INST_MINFLOW         .1      INST_MINTIME  0845            INST_MINDATE  04/06/77

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