                                                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 1977

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .4         .0        1.2        1.6         .9         .6         .6         .9         .4         .2         .1         .2
    2         .4         .0         .9       48.2         .9         .4         .4         .4         .2         .2         .2         .9
    3         .4         .1         .9      155.0         .6         .4         .4         .6         .4         .2         .2         .6
    4         .6         .2        1.2         .9         .6         .6         .6         .4         .2         .1         .1         .4
    5         .6         .6         .9      118.0         .6         .6         .4         .6         .4         .2         .1        1.6

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6         .4         .9      108.0         .9         .6         .6         .4         .4         .1         .2         .9
   7          .6         .4         .9      108.0         .9         .6         .6         .4         .4         .1         .2         .9
   8          .6         .2         .9        2.7         .6         .4         .4      221.0         .6         .1         .1         .2
   9          .6         .6        1.2        1.6         .9         .4         .6      295.0         .6         .1         .1         .0
   10         .6         .6         .9        1.6         .9         .4         .4        3.3        4.0         .1         .1         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .9         .6         .9        1.2         .9         .4         .4        3.3         .2         .1         .1         .1
   12         .4      101.0         .9        1.2         .9         .4         .6         .1         .2         .2         .1         .0
   13         .9         .6         .9         .9         .9         .4         .6         .0         .1         .1         .1         .0
   14        1.2        1.6         .9         .9         .9         .4         .4         .0         .2         .1         .1         .0
   15         .6        1.6         .9         .9        2.1         .4         .6         .1         .1         .1         .1         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .6        1.6         .9         .9         .9       75.3         .6         .0         .1         .1        4.0         .9
   17         .6         .6         .6         .9        1.2        2.7         .4         .0         .1         .2      237.0         .6
   18         .9         .6         .6         .9        1.2         .4         .6         .0         .2         .2        3.3         .0
   19         .4         .6         .9        1.2         .9         .6         .6         .0         .1         .1         .9         .0
   20         .9         .6        1.2        3.1        1.2         .6         .4         .0         .2         .1         .6         .1

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.2         .9         .9       10.8        2.1         .4         .6         .0         .2         .1         .6         .1
   22        1.2         .6        1.2         .9         .9         .4         .4         .0         .2         .2        1.2         .0
   23         .6         .9         .9        1.2        8.6         .4         .4        9.4         .2         .4         .6         .0
   24         .1         .9         .9         .9       62.4        7.4         .9        5.0         .2         .2         .9         .0
   25         .0         .9         .9         .9        2.1       98.9         .6         .0         .2         .2         .9         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .1         .9         .9        2.1         .6       19.8         .6         .2         .2         .2         .9         .0
   27         .0         .6         .9         .6         .9        7.5         .4         .2         .1         .1        1.2         .0
   28         .0         .6        1.2         .6        1.6         .9         .4         .4         .1         .1        1.2         .1
   29         .0         .9         .9         .6         .0         .6         .4         .4         .2         .1        1.6         .0
   30         .0         .6       89.4         .6         .0         .4         .6         .2         .2         .2         .9         .0
   31         .6         .0       38.8         .6         .0         .6         .0         .2         .0         .1         .9         .0

 ==========================================================================================================================================
 TOTAL      16.6      120.1      155.5      531.2       97.8      223.7       15.3      542.5        10.9        4.6      258.8       7.3
 MEAN         .5        4.0        5.0       17.1        3.5        7.2         .5       17.5         .4         .1        8.3         .2
 MAX         1.2      101.0       89.4      155.0       62.4       98.9         .9      295.0        4.0         .4      237.0        1.6
 MIN          .0         .0         .6         .6         .6         .4         .4         .0         .1         .1         .1         .0

 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
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     3,935.8              1,984.3                          5.4                        295.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    1,920.0      INST_MAXTIME  1615            INST_MAXDATE  05/09/77
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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