SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT
                                                        ENGINEERING DIVISION
              
                                      #230        LITTLE COTTONWOOD CREEK @ 2050 EAST

USGS #:  10167700  
                                                                                                                  
                   DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986                   
                                                DAILY MEAN VALUES                                                
 
 DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
   1      4.1       .00      .64      ---      ---      4.0       76       81      495    172        8.0      7.2
   2      6.0       .10      .66      ---      ---      4.4      102      100      517    131        6.8     11  
   3      4.0       .20      .61      ---      ---     12         77      128      542    133        4.9      7.6
   4      3.7       .00      .60      ---      ---     11         66      171      543    190        3.7      3.2
   5      3.4      1.7       .60      ---      ---      3.2       52      150      567    207        3.3      2.8
 
   6      5.9       .10      .60      ---      ---      5.9       47      123      574    121        4.7      2.0
   7     26         .10      .82      ---      ---      9.9       47      108      483    111        5.5      2.2
   8     16         .30     2.4       ---      ---     30         45      114      388    106        4.9      4.2
   9     11         .60      .81      ---      ---     45         47      108      297     88       12       11  
  10     10         .61      .84      ---      ---     25         41       92      235     79        6.1     27  
 
  11      6.2       .74      .84      ---      ---     25         43       88     e230     86        9.6     26  
  12     11         .75      ---      ---      ---     22         38       89     e240     80        1.8     15  
  13     10         .71      ---      ---      ---     21         56       87      293     86        2.7     12  
  14      9.7       .61      ---      ---      ---     22         47       86      298     84        1.5      6.5
  15      8.9       .60      ---      ---      ---     17         51       76      325     98        2.7     20  
 
  16      4.2       .60      ---      ---      ---      7.4       64       76      311    119       13        2.2
  17      1.4       .63      ---      ---      ---      9.3       62       67      359     82        4.0      5.4
  18       .00      .62      ---      ---      ---     12         52       64      424     49        4.5     12  
  19       .00      .74      ---      ---      ---     13         47       72      386     22        1.4     16  
  20       .00      .64      ---      ---      ---     12         44      119      304      6.2     22       12  
 
  21       .00      .64      ---      ---      ---      9.5       51      179      261     17       56        6.9
  22      2.0      1.3       ---      ---      ---      9.0       65      209      240     72        8.7      3.5
  23       .00     1.9       ---      ---     2.5      12         97      162      204     94       18        6.8
  24     15        7.6       ---      ---     4.9      14        103      146      199    108       19       24  
  25       .61     7.8       ---      ---     2.8      12        102      170      210    116        8.5     31  
 
  26       .60     1.7       ---      ---     1.2      10         91      224      185     89        5.5     25  
  27       .62     1.1       ---      ---      .93     12         81      281      185     84        8.6     32  
  28       .60      .96      ---      ---     2.7      13         82      353      213     40        6.3     18  
  29       .00      .82      ---      ---      ---     14         84      364      211     11        5.8     22  
  30       .00      .77      ---      ---      ---     14         80      443      207      8.3      8.2     15  
  31       .00      ---      ---      ---      ---     57        ---      454      ---      7.1      8.6      ---
 
 TOTAL  160.93    34.94     9.42      ---    15.03    487.6     1940     4984     9926   2696.6    276.3    389.5
 MEAN     5.19     1.16      .86      ---     2.50     15.7     64.7      161      331     87.0     8.91     13.0
 MAX        26      7.8      2.4      ---      4.9       57      103      454      574      207       56       32
 MIN       .00      .00      .60      ---      .93      3.2       38       64      185      6.2      1.4      2.0
 AC-FT     319       69       19      ---       30      967     3850     9890    19690     5350      548      773
 
 CAL YR 1985   TOTAL 12671.29  MEAN 47.6  MAX 385  MIN .00  AC-FT 25130
 WTR YR 1986   TOTAL 20920.32  MEAN 71.6  MAX 574  MIN .00  AC-FT 41500
 
   e => Estimated Value