                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                       F304-R       WALNUT CREEK ABOVE PUENTE AVENUE                               RATING NO.   67-01
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1990

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .1         .2         .1       33.9         .5         .0         .0        1.2         .0         .0         .0         .0
    2         .1         .1         .1        4.6         .1         .0         .0         .8         .0         .0         .0         .0
    3         .1         .1         .1         .1         .1         .0         .0         .2         .0         .0         .0         .0
    4         .1         .1         .1         .1        1.1         .0        7.9         .3         .0         .0         .0         .0
    5         .1         .1         .1         .1         .1         .0         .0         .2         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .1         .1         .1         .1         .1         .0         .0         .1         .0         .0         .0         .0
   7          .1         .1         .1         .1         .1         .0         .0         .1         .0         .0         .0         .0
   8          .1         .1         .1         .1         .1         .0         .0         .2         .0         .0         .0         .0
   9          .0         .1         .0         .1         .1         .0         .0         .2         .0         .0         .0         .0
   10         .0         .0         .0         .1         .1         .0         .0         .3         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .0         .0         .0         .1         .1        5.2         .0         .4         .0         .0         .0         .2
   12         .0         .0         .0         .1         .1         .8         .0         .4         .0         .5         .0         .0
   13         .0         .1         .0         .1         .1         .0         .0         .2         .0         .0         .0         .0
   14         .0         .0         .0       49.3         .1         .0         .0         .3         .0         .0         .0         .0
   15         .1         .0         .0       41.7         .1         .1         .0         .2         .0         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .1         .0         .0        8.3         .1         .0        1.3         .0         .0         .0         .0         .0
   17         .0         .1         .0       75.5       28.6         .0       74.5         .0         .0         .0         .0         .0
   18         .0         .1         .0       41.5       22.6         .0         .9         .0         .0         .0         .0         .0
   19         .0         .1         .0         .1       63.4         .5         .0         .0         .0        1.3         .0         .0
   20         .1         .1         .0         .1       59.0         .7         .0         .0         .1         .0         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .5         .1         .0         .1       40.2         .1         .0         .0         .1         .0         .0         .0
   22       21.4         .1         .0         .1         .1         .4         .1         .0         .0         .0         .0         .0
   23        2.7         .1         .0         .1         .1         .0       20.2         .0         .0         .0         .0         .0
   24        2.0         .1         .0         .1         .0         .0         .1         .0         .0         .1         .0         .0
   25       10.7       17.3         .0         .1         .0         .0         .3         .0         .3         .1         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.6       24.6         .0         .1         .0         .1         .6         .0         .0         .0         .0         .0
   27        1.1        1.0         .0         .1         .0         .0         .5         .0         .0         .0         .0         .0
   28         .8         .1       14.4         .1         .0         .2         .8      244.0         .0         .0         .0         .1
   29         .6         .1        2.8       24.0         .0         .1         .1       42.8         .0         .0         .1         .0
   30         .5         .1         .1        1.5         .0         .0       11.5       13.0         .0         .0         .0         .0
   31         .5         .0         .1         .0         .0         .0         .0         .5         .0         .0         .0         .0

 ==========================================================================================================================================
 TOTAL      43.5       45.1       18.2      282.5      217.0        8.3      118.8      305.5          .5        2.0         .1        .3
 MEAN        1.4        1.5         .6        9.1        7.8         .3        4.0        4.0         .0         .1         .0         .0
 MAX        21.4       24.6       14.4       75.5       63.4        5.2       74.5       74.5         .3        1.3         .1         .2
 MIN          .0         .0         .0         .1         .0         .0         .0         .0         .0         .0         .0         .0

 ANNUAL DATA
 WTR YEAR 1990 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     2,066.4              1,041.8                          2.9                         43.7                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    2,006.0      INST_MAXTIME  0745            INST_MAXDATE  05/28/90
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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