LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS

                                            F304-R     WALNUT CREEK AT PUENTE AVENUE


                            DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR Oct 1991 TO Sep 1992

Day            Oct       Nov       Dec       Jan       Feb       Mar       Apr       May       Jun       Jul       Aug       Sep
------------------------------------------------------------------------------------------------------------------------------------
 1             0         0         0         3.0       4.7       0         0          .1        .2        .2        .4        .4 
 2             0         0         0         2.6       4.0     196          .1        .1        .2        .3        .5        .5 
 3             0         0         0        35.4        .2      13.2        .1        .1        .1        .2        .7        .6 
 4             0         0         0         3.0        .1       0          .1        .3        .1        .2        .4        .4 
 5             0         0         0       349          .1       0          .1        .2        .1        .3        .5        .4 

 6             0         0         0        14.8      22.9     171          .1        .3        .1        .4        .5        .4 
 7             0         0         0        35.8      34.6     212          .1        .3        .1        .3        .4        .6 
 8             0          .2       2.1       6.0       1.6     237         0          .3        .1        .6        .4        .4 
 9             0         8.1        .2       5.4      21.6     237         0          .2        .1       3.8       2.3        .5 
10             0         2.8       1.7       4.7      85.4     237         0         3.1        .1        .7       1.0        .2 

11             0          .5        .7       4.4     734       237         0          .1        .1       5.5        .7        .1 
12             0         2.4        .1       4.0   1,090       232         0          .1        .1      24.6       4.8        .1 
13             0          .4       0         3.3     459       232         0          .1        .1       2.5       1.1        .1 
14             0         0          .1       3.3     217       232         0          .1        .1       1.4        .7        .1 
15             0         0         0         2.8     304       232         0          .1        .2       1.1        .5        .1 

16             0          .1       0         2.6        .8     232         0          .1        .2        .8        .4        .1 
17             0          .1       0         2.6        .4     232         0          .1        .4        .6        .3        .1 
18             0          .3       0         2.4        .2     232         0          .1        .4        .5        .5        .2 
19             0          .1       1.1       2.1        .1     232         0          .1        .3        .4        .8        .2 
20             0          .1       0         2.1        .1     352         0          .1        .3        .4        .6        .2 

21             0          .9       0         2.1        .1     319         0          .1        .4        .4        .4        .1 
22             0          .1       0         2.1        .1     343         0          .1        .2        .4        .4        .1 
23             0         0         0         2.1        .1     397         0          .1        .3        .4        .3        .1 
24             0         0         0         2.3        .1     346         0          .1        .2        .4       1.1        .1 
25              .1        .1       0         5.1        .1     310         0          .1        .3        .3        .5        .2 

26            44.1        .1       0        21.1       0       304         0          .1        .2        .4        .4        .2 
27             1.3        .1      14.1      19.7       0       119         0          .1        .2        .4        .3        .2 
28             0          .1      66.6      18.7       0        14.5        .4        .1       1.2        .4        .3        .2 
29             0         0       521        19.0       0         0          .3        .1       1.1        .5        .3        .1 
30             0         0        16.2      19.8    ------       0          .1        .1        .3        .4        .3        .1 
31             0      ------       0        12.7    ------       0      ------        .2    ------        .4        .3    ------ 

TOTAL         45.5      16.5     623.9     614.0   2,981.3   5,900.7       1.4       7.2       7.8      49.2      22.1       7.1
MEAN           1.5        .6      20.1      19.8       103       190         0        .2        .3       1.6        .7        .2
MAX           44.1       8.1       521       349     1,090       397        .4       3.1       1.2      24.6       4.8        .6
MIN              0         0         0       2.1         0         0         0        .1        .1        .2        .3        .1
AC-FT         90.2      32.7     1,237     1,218     5,913    11,704       2.8      14.3      15.5      97.6      43.8      14.1
M3x1000        111      40.3     1,526     1,502     7,294    14,437       3.5      17.6      19.1       120      54.0      17.4

CAL YEAR 1991  TOTAL*       685.9    MEAN       7.5      MAX       521      MIN         0      AC-FT     1,360     M3x1000     1,677
WTR YEAR 1992  TOTAL     10,276.7    MEAN      28.1      MAX     1,090      MIN         0      AC-FT    20,383     M3x1000    25,142

* Incomplete Record                                                                                   
                                                                                
                                                                                
