10341950  LITTLE TRUCKEE RIVER BELOW DIVERSION DAM, NEAR SIERRAVILLE, CA

LOCATION.--Lat 39°29'29", long 120°17'39", in SE 1/4 SE 1/4 sec.15, T.19 N., R.15 E., Sierra County, Hydrologic
   Unit 16050102, Tahoe National Forest, on left bank 50 ft upstream from Independence Lake Road Bridge, 0.7 mi
   downstream from diversion dam, and 7.8 mi southeast of Sierraville.

DRAINAGE AREA.--36.1 mi2.

PERIOD OF RECORD.--June 1993 to current year.
  WATER TEMPERATURE:  October 1993 to September 1994.

GAGE.--Water-stage recorder.  Elevation of gage is 6,380 ft above sea level, from topographic map.

REMARKS.--Records fair including estimated daily discharge.  Some water diverted to Sierra Valley about 0.7 mi
   upstream for irrigation in the summer months.  See schematic diagram of Truckee River basin.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,880 ft3/s, May 16, 1996, gage height, 9.78 ft from
   floodmarks; minimum daily, 1.5 ft3/s, Aug. 17-19, 29, 1994.


                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                               DAILY MEAN VALUES

DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

  1       8.2      6.0      8.5       57       33       81      128      445      322     35        3.1      3.3
  2       7.9      6.1     13         48       33       79      127      494      357     28        3.5      3.3
  3       7.7      6.0      9.0       44       32       81      111      464      392     26        3.8      3.3
  4       7.4      5.9     15         39      139       83      109      409      408     22        3.7      3.2
  5       7.3      6.1     16         35      593       67      116      388      405     15        4.9      3.3

  6       7.1      6.1     15         33      514       78      136      400      384     10        3.8      3.5
  7       6.8      6.0     12         31      356       72      167      400      367      9.0      3.6      3.5
  8       6.7      6.1      9.7       30      269       71      214      389      352     12        2.4      3.5
  9       6.6      6.1      8.7       31      226       72      262      355      313     13        2.5      3.4
 10       6.4      6.1      8.3       32      197       78      276      367      276      7.0      3.3      3.4

 11       6.2      6.1     39         29      179       86      251      406      231      5.6      3.2      3.3
 12       6.2      6.0    440         28      168       86      229      505      239     11        4.4      3.5
 13       6.4      5.9    186         27      162       76      203      603      232     12        4.3      4.5
 14       6.3      5.9     89         26      153       72      210      781      194      6.9      4.2      5.1
 15       6.2      5.9     61         30      146       73      253     1230      175      4.9      3.6      6.0

 16       6.0      5.9     55         73      176       77      298    e1700      153      3.9      3.7     12
 17       6.0      5.8     47         83      252       82      243    e1300      121      3.8      2.7      8.8
 18       6.1      5.9     40         67      271       94      209    e1150       98      3.2      2.5      7.0
 19       6.0      5.9     35         58      233      111      172     e760      106      2.8      2.9      6.3
 20       6.1      5.8    e34         51      190      134      151     e570       99      2.5      4.3      5.8

 21       6.0      5.8    e33         45      153      154      139     e440       78      2.3      4.7      5.4
 22       5.9      5.7    e32         47      127      166      142     e490       68      2.3      4.6      5.2
 23       6.1      5.7    e31         45      120      141      177     e400       62      2.6      4.4      5.1
 24       6.1      5.7    e30         34      114      120      258      343       54      2.9      4.3      4.9
 25       6.1      7.1    e29        e38      102      109      300      335       42      2.8      4.4      4.8

 26       6.3     15      e28        e36       98      101      333      350       45      2.8      4.1      4.7
 27       6.3      8.0     28        e34       93      104      355      371       44      2.6      3.9      4.5
 28       6.2      7.4     28        e33       90      120      329      348       34      2.8      3.9      4.4
 29       6.2      7.0     28        e33       87      100      325      341       31      2.8      3.7      4.4
 30       6.0      6.8     50        e33      ---       95      392      340       39      2.4      3.6      4.3
 31       6.1      ---     73        e33      ---       97      ---      330      ---      2.9      3.4      ---

TOTAL   200.9    193.8   1531.2     1263     5306     2960     6615    17204     5721    262.8    115.4    143.7
MEAN     6.48     6.46     49.4     40.7      183     95.5      220      555      191     8.48     3.72     4.79
MAX       8.2       15      440       83      593      166      392     1700      408       35      4.9       12
MIN       5.9      5.7      8.3       26       32       67      109      330       31      2.3      2.4      3.2
AC-FT     398      384     3040     2510    10520     5870    13120    34120    11350      521      229      285

  e Estimated.


               10341950  LITTLE TRUCKEE RIVER BELOW DIVERSION DAM, NEAR SIERRAVILLE, CA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 1996, BY WATER YEAR (WY)

          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

MEAN     5.50     5.63     20.8     27.6     82.9      101      161      399      343      106     11.5     4.37
MAX      7.50     6.46     49.4     40.7      183      179      220      555      821      345     31.9     6.48
(WY)     1994     1996     1996     1996     1996     1995     1996     1996     1995     1995     1995     1993
MIN      2.52     4.58     5.50     8.14     8.94     26.9     90.1      100     16.5     4.63     2.22     2.04
(WY)     1995     1995     1995     1994     1994     1994     1994     1994     1994     1994     1994     1994

SUMMARY STATISTICS           FOR 1995 CALENDAR YEAR        FOR 1996 WATER YEAR           WATER YEARS 1993 - 1996

ANNUAL TOTAL                       68419.8                    41516.8
ANNUAL MEAN                          187                        113                        107
HIGHEST ANNUAL MEAN                                                                        183              1995
LOWEST ANNUAL MEAN                                                                          23.5            1994
HIGHEST DAILY MEAN                  1290     Jun  1            1700     May 16            1700       May 16 1996
LOWEST DAILY MEAN                      2.8   Sep 17               2.3   Jul 21               1.5     Aug 17 1994
ANNUAL SEVEN-DAY MINIMUM               3.2   Sep 16               2.6   Jul 19               1.6     Aug 15 1994
INSTANTANEOUS PEAK FLOW                                        1880     May 16            1880       May 16 1996
INSTANTANEOUS PEAK STAGE                                          9.78  May 16               9.78    May 16 1996
ANNUAL RUNOFF (AC-FT)             135700                      82350                      77310
10 PERCENT EXCEEDS                   620                        353                        302
50 PERCENT EXCEEDS                    55                         33                         10
90 PERCENT EXCEEDS                     5.5                        3.6                        3.0