                                                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 1979

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1        2.1         .9         .2         .0       81.8      123.0       52.8       16.3         .4         .9         .0         .1
    2        1.6         .2         .0         .0      141.0       16.3       70.2       20.9         .4         .6         .0         .0
    3        1.6         .0         .0         .0       61.5       16.3       70.2       17.8        1.2         .9         .0         .2
    4        1.6         .1         .0         .0       58.6       13.2       70.2       13.2        1.2        1.2         .0         .1
    5        1.6         .0         .0      185.0       47.0        7.5       67.3       11.7         .9         .9         .0         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   6         1.6         .0         .0      123.0       22.5        5.6       70.2       13.2         .9         .6         .0         .1
   7         1.6         .0         .0      123.0       22.5        5.6       70.2       13.2         .9         .6         .0         .1
   8         1.6         .0         .0         .4        4.0        6.5       73.1         .9        1.6        1.6         .4         .1
   9         1.2         .2         .0        3.0       16.3        5.6       73.1         .4         .9         .6         .2         .4
   10        2.1       12.4         .0         .0       17.8         .9       70.2         .4         .9         .2         .2         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   11        1.6       37.0         .0         .0       17.8         .9       58.6         .6         .9         .0         .2         .2
   12        1.6         .4         .0         .0       17.8         .9       13.2         .4        1.2         .0         .9         .1
   13        1.6       16.7         .0         .0       19.4       34.5        2.7         .4         .2         .0        1.6         .2
   14        1.6         .6         .0       35.2       43.7        3.3        2.1        1.6         .6         .0         .6         .4
   15        1.6         .4         .0      272.0       16.3        2.7        2.7        2.7         .6         .0         .1         .4

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.6         .1         .0       34.4        7.5        2.7        2.7        1.2         .9         .0         .1         .2
   17        2.1         .4      267.0       16.3         .6       67.4        2.7         .6        1.6         .0         .9         .4
   18        1.6         .0      237.0        7.6         .0      140.0        2.7         .9        1.2         .0         .2         .2
   19        2.1         .0       70.4         .1         .4      163.0        2.7         .4         .2         .0         .2         .4
   20        3.3         .0         .1         .0       46.4        6.5       16.3        1.2         .2         .0         .1         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.2      146.0         .0         .0      308.0        4.0       16.3        2.7         .2         .0         .1         .2
   22         .6       11.3         .0         .1       21.6        2.7       16.3        1.2         .6         .0         .6         .4
   23         .9        1.2         .0        2.7       65.0        3.3       11.7         .6         .2         .0         .2         .6
   24         .9       25.0         .0        2.7       20.9        2.7        1.2         .6         .6         .0         .2         .4
   25         .9         .6         .0         .9       20.9        2.7        4.8         .4         .6         .0         .2         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   26         .9         .0         .0        7.5       19.4        4.8       11.7         .6        1.2         .0        1.2         .2
   27        1.6         .1         .1       10.1       16.3      714.0       13.2         .6         .9         .0         .2         .2
   28         .1         .0         .0       14.8       16.3      219.0       13.2        1.6         .9         .0         .2         .2
   29         .1         .0         .0       13.2         .0      152.0       14.8         .4        1.2         .0         .2        1.6
   30         .6         .0         .0      290.0         .0       73.1       16.3         .6        1.2         .0         .1         .1
   31         .4         .0         .0      411.0         .0       49.9         .0         .6         .0         .0         .1         .0

 ==========================================================================================================================================
 TOTAL      43.5      253.6      574.8    1,431.2    1,120.5    1,851.5      913.4      123.3        26.9        7.9        9.4       8.5
 MEAN        1.4        8.5       18.5       46.2       40.0       59.7       30.4        4.0         .9         .3         .3         .3
 MAX         3.3      146.0      267.0      411.0      308.0      714.0       73.1       20.9        3.3        1.6        1.6        1.6
 MIN          .1         .0         .0         .0         .0         .9        1.2         .4         .2         .0         .0         .0

 ANNUAL DATA
 WTR YEAR 1979 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    12,623.8              6,364.5                         17.4                        714.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    3,020.0      INST_MAXTIME  0945            INST_MAXDATE  03/27/79
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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