                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                       F304-R       WALNUT CREEK ABOVE PUENTE AVENUE                               RATING NO.   6701
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1983

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1         .0         .0        4.8       22.5      140.0    1,570.0       40.1       89.5        2.1        2.7         .0         .2
    2         .0         .0        4.0       22.5       68.8    1,010.0       40.1       19.4        1.2        2.7         .0         .0
    3         .0         .0        3.3       22.5       46.2      676.0       40.1       17.8         .4        1.2         .0         .0
    4         .0         .0        3.3       22.5        3.3      608.0       33.2       19.4         .1        1.2         .0         .0
    5         .0         .0        3.3       22.5       23.6      445.0       20.9       17.8         .1        1.2         .0         .9

 ------------------------------------------------------------------------------------------------------------------------------------------
   6          .0         .0       20.7       13.2        2.7      299.0       20.9       19.4         .1        1.6         .0        1.2
   7          .0         .0       20.7       13.2        2.7      299.0       20.9       19.4         .1        1.6         .0        1.2
   8          .1        1.2       33.2        2.7       27.6      289.0       11.7       19.4         .9        1.2         .0         .1
   9          .0      168.0       24.0        1.6        1.6      289.0       10.1       19.4         .0        1.2         .0         .0
   10         .0      157.0       42.4        1.6        1.2      120.0       10.1       19.4         .0        1.2        2.3         .2

 ------------------------------------------------------------------------------------------------------------------------------------------
   11         .0       61.5       42.4         .6         .9       37.8       10.1       20.9         .0         .9         .1         .0
   12         .0       41.0       42.4         .4        1.2       37.8        5.6       19.4        2.1         .0         .0         .0
   13         .0       44.7       44.7         .4         .9       80.4        4.0       17.8         .9         .0         .0         .0
   14         .0       44.7       44.7         .4         .0       55.7        3.3       20.9         .2         .0         .1         .0
   15         .0       47.0       47.0         .6         .0       37.8        1.6       19.4         .0        1.2       24.5         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   16         .0       26.4       47.0         .6         .0       61.0        1.6       17.8         .0        1.6       99.2         .0
   17         .0        3.3       37.8         .4         .0       79.4       14.7       19.4         .0        2.1        5.8         .0
   18         .0        8.5        4.0        1.2         .0      148.0       82.5       17.8         .0        1.6       11.3         .0
   19         .0       69.6        2.7       83.1         .0       61.5       10.1       16.3         .0        1.6        9.3         .2
   20         .0        2.1        2.1         .1         .0       55.7      195.0        3.3        1.2         .0         .1        2.1

 ------------------------------------------------------------------------------------------------------------------------------------------
   21         .0        2.7        2.7         .0         .0      148.0      193.0        2.1         .2         .0         .4         .6
   22         .0        1.6      327.0      199.0        3.5       96.9      130.0         .9         .0         .0         .1         .0
   23         .0        2.1        9.5      231.0       16.3       72.4      130.0         .9        2.1         .2         .0         .0
   24         .0        2.7        1.2      166.0       60.7      418.0       88.0         .9        1.6         .1         .0         .0
   25         .0         .6         .4        2.7       19.4      153.0       32.7        1.2        1.6         .4         .0         .0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26       30.0         .6         .9       19.8      209.0       64.4        4.0         .2        2.7         .1         .0         .0
   27         .1         .9        1.2      355.0      788.0       55.7         .4         .2        1.6         .1         .1         .0
   28         .1        2.1       12.1      286.0      545.0       49.9       13.6         .2        2.1         .0         .0         .4
   29         .0       33.7       35.5      332.0         .0       44.7      300.0         .1        2.1         .0         .0       86.2
   30        2.0      768.0       35.5      176.0         .0       49.9       74.1         .6        1.2         .0         .0      152.0
   31         .2         .0       24.0      181.0         .0       52.8         .0         .1         .0         .0         .0         .0

 ==========================================================================================================================================
 TOTAL      32.5    1,490.0      941.6    2,171.2    1,983.0    7,460.8    1,540.9      441.3        24.5       27.4      153.3     245.0
 MEAN        1.0       49.7       30.4       70.0       70.8      241.0       51.4       14.2         .8         .9        4.9        8.2
 MAX        30.0      768.0      327.0      355.0      788.0    1,570.0      300.0       89.5        2.7        3.3       99.2      152.0
 MIN          .0         .0         .4         .0         .0       37.8         .4         .1         .0         .0         .0         .0

 ANNUAL DATA
 WTR YEAR 1983 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    32,750.1             16,511.5                         45.2                      1,570.0                           .0

 INSTANTANEOUS DATA
 INST_MAXFLOW    5,850.0      INST_MAXTIME  1030            INST_MAXDATE  02/27/83
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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