a Diversion, in acre-feet, through Ralston Powerplant, provided by Placer County Water Agency.
              11427770 MIDDLE FORK AMERICAN RIVER BELOW INTERBAY DAM, NEAR FORESTHILL, CA. Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 1985, BY WATER YEAR (WY)

         OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN    30.5     27.4     73.8     93.7     86.6      101      117      118     78.2     29.4     18.8     18.3
MAX      270      140      548      398      928      508      868      857      313      152     23.7     24.7
(WY)    1966     1984     1984     1980     1982     1983     1982     1982     1967     1983     1983     1983
MIN     5.84     6.38     6.22     6.15     9.32     7.61     11.6     11.1     11.3     7.52     5.86     5.68
(WY)    1978     1968     1968     1968     1968     1968     1977     1977     1977     1977     1977     1977
SUMMARY STATISTICS WATER YEARS 1966 - 1985 FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR
ANNUAL MEAN                                                                                                66.0
HIGHEST ANNUAL MEAN                                                                                    347 1982
LOWEST ANNUAL MEAN                                                                                    10.0 1968
HIGHEST DAILY MEAN                                                                             8090 Feb 16 1982
LOWEST DAILY MEAN                                                                               1.0 Oct 25 1966
ANNUAL SEVEN-DAY MINIMUM                                                                        1.3 Oct 25 1966
INSTANTANEOUS PEAK FLOW                                                                        9900 Jan 13 1980
INSTANTANEOUS PEAK STAGE                                                                       7.95 Jan 13 1980
ANNUAL RUNOFF (AC-FT)                                                                                     47810
TOTAL DIVERSION (AC-FT) a 455700 366800
10 PERCENT EXCEEDS                                                                                          141
50 PERCENT EXCEEDS                                                                                           22
90 PERCENT EXCEEDS                                                                                           11
a Diversion, in acre-feet, through Ralston Powerplant, provided by Placer County Water Agency.