10308200  EAST FORK CARSON RIVER BELOW MARKLEEVILLE CREEK, NEAR MARKLEEVILLE, CA

LOCATION.-Lat 38°42'50", long 119°45'50", in SW 1/4 NE 1/4 sec.15, T.10 N., R.20 E., Alpine County, Hydrologic Unit 16050201, on right bank, 0.5 mi downstream from Markleeville Creek, 1.5 mi northeast of Markleeville, and at mi 114.75 upstream from Lahontan Reservoir.
DRAINAGE AREA.-276 mi2.
PERIOD OF RECORD.-August 1960 to current year.
GAGE.-Water-stage recorder. Elevation of gage is 5,400 ft above sea level, from topographic map. Prior to Oct. 1, 1967, at present site at datum 2.00 ft higher.
REMARKS.-Records fair except for estimated daily discharges, which are poor. A few small diversions for irrigation above station. Flow slightly regulated by several small reservoirs, total capacity, about 5,000 acre-ft. These data are reviewed and provided by the Nevada District Office, U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 18,900 ft3/s, Jan. 2, 1997, gage height, 11.78 ft; minimum daily, 12 ft3/s, Sept. 10-13, 23, 1987.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 1,300 ft3/s and maximum (*):
  Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)		Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)
  March 24		0845		*2,640		*5.28		April 30		2400		1,600		4.34
  April 23		0130		1,330		4.03		June  7		2400		2,370		5.06

                  DISCHARGE, 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        70       69       93       91      114      130      446     1330     1230     1520      444      173
   2        70       67       79       92      125      144      399     1330     1400     1510      423      168
   3        75       67       68       85      195      152      374     1210     1310     1500      429      176
   4        70       66       85       76      167      146      343     1170     1240     1460      388     e180
   5        67       64       82       74      148      141      328     1140     1280     1440      373     e182
  
   6        67       65       89       72      152      140      316     1020     1500     1460      359     e248
   7        69       68       98       83      147      115      301      945     1970     1450      339     e191
   8        71       62       84       88      139      123      290     1130     1770     1450      320     e160
   9        87       59       68       84      140      117      291     1240     1650     1460      297     e199
  10        92       72       62       87      134      121      295     1040     1660     1400      278     e201
  
  11        89       71       82       94      135      138      291      946     1590     1250      271     e154
  12        80       64       91      118      134      148      274      873     1590     1120      262      171
  13        81       66      102      106      136      147      263      759     1680     1090      254      146
  14        82       67       98      107      144      152      258      680     1830     1030      260      128
  15        82       61       90      189      132      168      240      677     1880      937      259      118
  
  16        79       62       93      180      119      194      232      736     2080      915      250      121
  17        77       73       93      192      126      200      230      630     1870      957      234      112
  18        75       69       88      183      115      204      259      610     1850      956      220      106
  19        74       91       74      167      122      198      331      723     1930      892      204      102
  20        72       84       85      150      117      218      453      793     1880      846      198       98
  
  21        73       77       82      136      120      234      687      770     1920      829      188      101
  22        72       79       89      136      113      450      970      696     1940      787      181       98
  23        71       81       81      133      117     1030     1080      819     1810      755      184       98
  24        69       76       98      129      113     1860      806      854     1720      856      178      111
  25        63       84       91      121      121     1390      730     1110     1840      791      179      111
 
  26        64      115       86      120      115      936      679      899     1790      641      176      129
  27        69       93       88      118      116      776      755      738     1650      596      172      147
  28        66       86       92      118      121      668      897      732     1630      562      176      124
  29        70       93       90      127      ---      565     1080      789     1670      552      174      134
  30        70       92       90      109      ---      510     1300      727     1610      528      166      115
  31        70      ---       88      114      ---      480      ---      902      ---      488      172      ---
  
 TOTAL    2286     2243     2679     3679     3677    11995    15198    28018    50770    32028     8008     4302
 MEAN     73.7     74.8     86.4      119      131      387      507      904     1692     1033      258      143
 MAX        92      115      102      192      195     1860     1300     1330     2080     1520      444      248
 MIN        63       59       62       72      113      115      230      610     1230      488      166       98
 AC-FT    4530     4450     5310     7300     7290    23790    30150    55570   100700    63530    15880     8530
  
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1960 - 1998, BY WATER YEAR (WY)                                 
  
 MEAN     81.0      112      138      204      212      293      550     1128     1012      413      149     91.2
 MAX       346      476      718     1722      917      983     1121     2447     2996     1721      477      239
 (WY)     1983     1984     1965     1997     1986     1986     1982     1969     1983     1995     1983     1983
 MIN      24.0     32.6     41.4     44.2     43.9     58.7      183      197      135     58.0     33.0     18.0
 (WY)     1978     1977     1991     1977     1991     1977     1977     1977     1992     1977     1977     1987
  
 SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1960 - 1998
  
 ANNUAL TOTAL                      200833                     164883                                             
 ANNUAL MEAN                          550                        452                        366                  
 HIGHEST ANNUAL MEAN                                                                        809              1983
 LOWEST ANNUAL MEAN                                                                          83.7            1977
   HIGHEST DAILY MEAN                 12500     Jan  2            2080     Jun 16           12500       Jan  2 1997
   LOWEST DAILY MEAN                     59     Nov  9              59     Nov  9              12       Sep 10 1987
   ANNUAL SEVEN-DAY MINIMUM              64     Nov  3              64     Nov  3              12       Sep  7 1987
   INSTANTANEOUS PEAK FLOW                                        2640     Mar 24           18900       Jan  2 1997
   INSTANTANEOUS PEAK STAGE                                          5.28  Mar 24              11.78    Jan  2 1997
 ANNUAL RUNOFF (AC-FT)             398400                     327000                     265000                  
 10 PERCENT EXCEEDS                  1270                       1400                        970                  
 50 PERCENT EXCEEDS                   274                        168                        147                  
 90 PERCENT EXCEEDS                    71                         72                         50                  
 
   e  Estimated.