                                                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 1975

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .4        1.2         .2         .6         .9         .9        1.2         .6        2.1         .2         .6         .6
    2         .4        3.6         .6         .6      240.0        1.2         .9         .1        2.1         .1        1.2         .6
    3         .4        1.2        3.0         .6      238.0         .9         .9         .4         .4         .2         .9         .4
    4         .4        1.2      551.0         .6       52.0        1.2         .9         .2        1.2         .2         .9         .4
    5         .6        1.2        4.0         .6        3.3       55.0       18.5         .2         .4         .4         .9         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .6         .9        1.2         .6         .9      136.0         .9         .0         .4         .2         .9        1.2
   7          .6         .9        1.2         .6         .9      136.0         .9         .0         .4         .2         .9        1.2
   8          .6         .9        1.6        1.2         .9      166.0       30.0         .0         .4         .2         .9         .2
   9          .4        1.2        1.2         .6      116.0        2.7       25.0         .0         .4         .2         .9         .2
   10         .6        1.2         .6         .4       21.0       37.0        1.2         .1         .6         .2        1.2         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .6        1.2         .6         .6         .9        1.6       11.7         .1         .6         .2         .9         .2
   12         .6         .9         .9         .6         .6         .9       76.0         .1         .9         .2         .9         .2
   13         .4         .9         .9         .2         .9        5.6       64.0        1.2        2.1         .1        1.2         .2
   14         .6         .9         .6         .4         .6       17.1       45.0         .6         .9         .6         .9         .2
   15         .6         .6         .6         .6         .4         .9       40.0        2.7        1.2         .2        1.2         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .2         .9         .6         .6         .4        2.7        3.3        2.1        2.1         .2        1.2         .2
   17         .9         .9         .6        1.2         .4         .6       17.6        2.1        1.2         .2        1.6         .1
   18        1.2         .6         .6        1.2         .4         .9         .9        2.7        2.1         .2        1.2         .2
   19        1.6         .6         .6        1.2         .4         .6        2.1        2.7         .9         .6        1.2         .4
   20        1.2         .4         .6         .9         .4         .6        2.1        4.8        1.2         .9         .9         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.2         .4         .6         .6         .4         .9        2.1         .9         .9         .6        1.2         .1
   22         .4        2.7         .6         .6         .4       54.0        1.6         .6         .9         .2        1.6         .2
   23         .6        1.6         .6         .4        1.2         .6        2.7        1.2         .9         .4        1.2         .1
   24         .0        1.6         .6         .6        1.2         .6        3.3         .9        1.2         .4        1.2         .2
   25         .2         .4         .6         .9         .6       13.0       10.1         .6         .9         .4        1.2         .6

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        1.2         .4         .9         .9         .6         .9        1.2         .9         .4        1.2        1.2         .2
   27         .6         .4         .9         .6        1.2         .9         .9         .4         .6         .6        1.6         .6
   28      109.0         .4      115.0         .4         .6         .9        1.6         .6         .4         .4        1.2         .6
   29        1.0         .4        1.2         .9         .0         .9        1.6         .6         .4         .6         .6        2.1
   30        1.0         .2         .9        1.2         .0         .9        1.6         .4         .4         .2         .4         .4
   31        2.7         .0         .9         .9         .0        1.2         .0         .4         .0         .4         .6         .0

 ==========================================================================================================================================
 TOTAL     132.3       29.9      694.4       21.9      685.2      557.2      369.3       28.2        28.6       10.9       32.5      13.7
 MEAN        4.3        1.0       22.4         .7       24.5       18.0       12.3         .9         .9         .3        1.0         .5
 MAX       109.0        3.6      551.0        1.2      240.0      166.0       76.0        4.8        2.1        1.2        1.6        2.1
 MIN          .0         .2         .2         .2         .4         .6         .4         .0         .4         .1         .4         .1

 ANNUAL DATA
 WTR YEAR 1975 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                     5,165.2              2,604.1                          7.1                        551.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    4,200.0      INST_MAXTIME  0406            INST_MAXDATE  12/04/74
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

