10257501 FALLS CREEK NEAR WHITE WATER, CA-Continued

                           FALLS CREEK AND FALLS CREEK DIVERSION NEAR WHITE WATER

            COMBINED DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998

                                               DAILY MEAN VALUES
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1       .50      .37     1.0       .67      .69      7.6     e2.7      3.5      3.4     e2.7     e1.6      1.6
  2       .48      .41      .89      .58      .68     e5.6     e2.6      3.1      3.6     e2.6     e1.5      1.6
  3       .49      .43      .71      .46    e2.8      e3.7     e2.5      3.2      3.9     e2.6     e1.4      1.6
  4       .43      .42      .68      .49    e2.0       3.2     e2.5      3.2      3.3     e2.5     e1.4      1.7
  5       .40      .45     e.75      .58    e1.3       2.7     e2.4      5.5      3.3     e2.7      1.5      1.7
 
  6       .46      .49     e.95      .60    e9.0       3.0     e2.4      6.0      3.8     e2.6      1.7      1.6
  7       .45      .51    e1.2       .68    e5.0       2.6      2.4      3.9      3.8     e2.6      1.7      1.6
  8       .50      .56    e1.3       .82   e15         2.4      2.3      3.4      3.5     e2.5      2.0      1.6
  9       .48      .52    e1.3      1.2     e7.0       2.2      2.3      3.6      3.4     e2.5      2.4      1.5
 10       .41      .69     1.5      3.4     e3.2       1.8      2.3      3.8      3.2     e2.4     e2.2      1.5
 
 11       .63      .93     1.3      1.8     e1.9       1.8      2.6      3.5      3.5     e2.3     e2.0      1.5
 12       .54      .69     1.1      1.5     e1.8       1.8      2.9      4.2      3.6     e2.2      1.9      1.5
 13       .49      .93     1.0      1.3     e1.7       1.7      2.6      6.9      3.1     e2.5      1.8      1.5
 14       .44     1.2       .99     1.2    e34         2.7      2.6      5.3      3.3     e2.5      1.8      1.4
 15       .39      .84      .90     1.2     20         2.3      2.3      4.4      3.9     e2.4      1.8      1.4
 
 16       .37      .77      .78     1.4      9.6       2.2      2.1      4.4      4.4     e2.3      1.7      1.4
 17       .34      .65     e.74     1.4      8.3       2.4      2.0      4.2      4.1     e2.2      1.6      1.4
 18       .32      .65      .52     1.3      5.1       2.3      1.8      3.8      3.2     e2.2     e1.5      1.4
 19       .29      .63      .93     1.2      3.5       2.2      1.8      3.8      3.2     e2.1     e1.5      1.4
 20       .38      .62      .78     1.2      3.3       2.1      2.2      3.9      3.5     e2.1     e1.5      1.5
 
 21       .39      .67      .86     1.1     e3.0       2.1      3.1      3.6      3.0     e2.0     e1.4      1.5
 22       .39      .60      .69     1.1      7.0       2.2      4.0      3.4      2.8     e1.9     e1.4      1.5
 23       .40      .63      .60     1.1     12         2.8      4.3      3.5      2.9     e1.8     e1.6      1.5
 24       .41      .64      .58     1.0     26         3.5      3.9      3.8      2.5     e2.1     e1.7      1.5
 25       .44      .56      .54      .95    13        e3.3      3.2      4.2      2.7     e2.1     e1.5      1.5
 
 26       .46     1.0       .60      .91    11        e2.5      2.6      4.4      3.3     e2.0     e1.4      1.5
 27       .48     1.5       .67      .91     9.6      e2.0      2.4      3.8      3.2     e1.9      1.5      1.5
 28       .45      .96      .66      .90     8.7      e3.8      2.4      3.7      3.0     e1.8      1.4      1.5
 29       .45      .76      .67     1.0       ---     e3.0      2.6      3.9      2.8     e1.7      1.5      1.5
 30       .42      .71      .66      .96      ---     e2.8      3.1      3.8     e2.8     e1.6      1.5      1.5
 31       .40      ---      .67      .72      ---     e2.8      ---      3.7      ---     e1.7      1.6      ---
 
TOTAL   13.48    20.79    26.52    33.63   226.17     87.1     78.9    125.4    100.0     69.1     51.0     45.4
MEAN      .43      .69      .86     1.08     8.08     2.81     2.63     4.05     3.33     2.23     1.65     1.51
MAX       .63      1.5      1.5      3.4       34      7.6      4.3      6.9      4.4      2.7      2.4      1.7
MIN       .29      .37      .52      .46      .68      1.7      1.8      3.1      2.5      1.6      1.4      1.4
AC-FT      27       41       53       67      449      173      156      249      198      137      101       90



STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1998, BY WATER YEAR (WY)                                 
 
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN      .73     1.17     1.19     2.19     3.94     3.32     1.74     2.30     1.83     1.34     1.03     1.18
MAX      1.40     1.64     1.71     4.58     8.08     8.75     2.92     4.05     3.33     2.32     1.76     1.52
(WY)     1996     1997     1997     1995     1998     1995     1995     1998     1998     1995     1995     1995
MIN       .42      .69      .86     1.08      .61      .34      .31      .29      .29      .32      .24      .60
(WY)     1997     1998     1998     1998     1997     1997     1997     1997     1997     1997     1997     1996
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1995 - 1998
 
ANNUAL TOTAL                         221.64                     877.49                                          
ANNUAL MEAN                             .61                       2.40                       1.82               
HIGHEST ANNUAL MEAN                                                                          2.99           1995
LOWEST ANNUAL MEAN                                                                            .76           1997
  HIGHEST DAILY MEAN                    21     Sep 25              34     Feb 14              50       Mar  5 1995
  LOWEST DAILY MEAN                       .10  Sep 11                .29  Oct 19                .10    Sep 11 1997
  ANNUAL SEVEN-DAY MINIMUM                .13  Sep  8                .35  Oct 15                .13    Sep  8 1997
  INSTANTANEOUS PEAK FLOW                                         142     Feb 14             154       Jan 10 1995
ANNUAL RUNOFF (AC-FT)                440                       1740                       1320                  
10 PERCENT EXCEEDS                     1.1                        3.9                        3.4                
50 PERCENT EXCEEDS                      .38                       1.8                        1.2                
90 PERCENT EXCEEDS                      .20                        .50                        .27               
 
    e Estimated.