1998 California Hydrologic Data Report
10336780 TROUT CREEK NEAR TAHOE VALLEY, CA - 1998 WY


                                  10336780 TROUT CREEK NEAR TAHOE VALLEY, CA

LOCATION.-Lat 38°55'12", long 119°58'17", in NW 1/4 SE 1/4 sec.3, T.12 N., R.18 E., El Dorado County, Hydrologic Unit 16050101, on left bank 5 ft upstream from Martin Avenue Bridge, 500 ft upstream from Heavenly Valley Creek, and 1.8 mi east of Tahoe Valley. 
DRAINAGE AREA.-36.7 mi2. 
PERIOD OF RECORD.-October 1960 to current year. 
  SPECIFIC CONDUCTANCE: March 1981 to September 1983. 
  WATER TEMPERATURE: October 1971 to June 1974, October 1977 to June 1978, March 1980 to September 1985, October 1987 to September 1988. 
  SUSPENDED-SEDIMENT DISCHARGE: October 1971 to June 1974, October 1977 to June 1978, March 1980 to September 1985, October 1987 to September 1988. 
GAGE.-Water-stage recorder. Datum of gage is 6,241.57 ft above sea level. 
REMARKS.-Records good. Minor diversions for local water supply upstream from station. See schematic diagram of Truckee River Basin. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 535 ft3/s, Feb. 1, 1963, gage height, 11.14 ft, and Jan. 2, 1997, gage height, 9.33 ft, from rating curve extended above 250 ft3/s on basis of computation of peak flow (weir formula); minimum daily, 2.5 ft3/s, Sept. 7, 1988. 
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 100 ft3/s, or maximum: 
  			Discharge	Gage height			Discharge	Gage height
  	Date	Time	(ft3/s)	(ft)	Date	Time	(ft3/s)	(ft)
  	Mar. 24	1430	217	8.13	June 22	0215	229	8.21

                  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        20       21       19       19       21      e23       42       95       88      200       78       34
  2        20       21       18       19      e21      e23       40       97       93      198       75       33
  3        21       21      e18       19      e30      e23       39       95       92      199       72       33
  4        19       20       19      e19      e25      e23       37       91       92      192       69       35
  5        19       21       19      e19      e21      e23       36       90       95      189       67       35
 
  6        20       21       19      e19      e22      e23       35      100      108      188       65       36
  7        20       20       18      e19      e22      e23       33       92      166      182       63       35
  8        20       20       21      e19      e22      e23       33       95      132      178       60       33
  9        22       20      e22       19      e22      e21       36       97      131      175       59       43
 10        21       21      e22       19      e22       19       38       88      136      169       58       36
 
 11        21       21      e21       19      e23       20       36       83      139      158       56       33
 12        21       21      e20       23      e23       21       34       80      144      150       55       35
 13        21       20      e19       22      e23       20       33       77      168      143       53       33
 14        21       20       19       21      e23       21       32       72      168      136       52       32
 15        21       19      e19       42      e23       23       32       71      180      131       53       31
 
 16        21       21       19       38      e24       25       32       75      190      125       49       31
 17        21       20       19       42      e24       26       33       70      184      121       47       30
 18        21       20       18       32      e24       27       37       69      186      115       46      e29
 19        21       21      e18       32      e24       28       44       73      200      110       45      e30
 20        21       20      e18       30      e23       30       53       74      206      108       44      e31
 
 21        21       20      e18       28      e23       33       63       71      209      108       43      e29
 22        21       20      e18       24      e23       47       73       69      210      107       42      e29
 23        21       20      e18       23      e23       77       77       72      206      108       41      e29
 24        21       19      e18       23      e23      183       68       74      196      104       40       30
 25        21       20      e19      e23      e23      121       65       84      206      101       39       30
 
 26        21      e20      e19       22      e23       82       65       76      207       94       39       31
 27        21       21      e19       22      e23       69       71       69      200       92       38       35
 28        21       20      e19       22      e23       60       77       67      202       89       37       32
 29        21       20      e19       21      ---       52       84       71      206       86       37       34
 30        21       19       19      e21      ---       51       91       71      206       84       36       32
 31        21      ---       18       21      ---       45      ---       80      ---       81       35      ---
 
TOTAL     643      608      589      741      646     1285     1469     2488     4946     4221     1593      979
MEAN     20.7     20.3     19.0     23.9     23.1     41.5     49.0     80.3      165      136     51.4     32.6
MAX        22       21       22       42       30      183       91      100      210      200       78       43
MIN        19       19       18       19       21       19       32       67       88       81       35       29
AC-FT    1280     1210     1170     1470     1280     2550     2910     4930     9810     8370     3160     1940
 
    e Estimated.


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 1998, BY WATER YEAR (WY) MEAN 17.1 19.6 21.2 24.8 25.2 30.4 43.9 79.0 94.1 51.1 24.6 17.6 MAX 37.6 61.1 64.0 115 68.7 85.0 81.9 184 286 188 88.7 49.6 (WY) 1983 1984 1984 1997 1986 1986 1982 1969 1983 1995 1983 1983 MIN 5.19 7.43 8.18 8.00 8.02 11.0 15.7 14.2 10.9 5.21 3.43 3.71 (WY) 1989 1978 1991 1991 1991 1977 1988 1988 1988 1988 1977 1977 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1961 - 1998 ANNUAL TOTAL 21826 20208 ANNUAL MEAN 59.8 55.4 37.4 HIGHEST ANNUAL MEAN 85.3 1983 LOWEST ANNUAL MEAN 10.2 1977 HIGHEST DAILY MEAN 501 Jan 2 210 Jun 22 501 Jan 2 1997 LOWEST DAILY MEAN 18 Dec 2 18 Dec 2 2.5 Sep 7 1988 ANNUAL SEVEN-DAY MINIMUM 18 Dec 18 18 Dec 18 3.0 Sep 9 1977 INSTANTANEOUS PEAK FLOW 229 Jun 22 535 Feb 1 1963 INSTANTANEOUS PEAK STAGE 8.21 Jun 22 11.14 Feb 1 1963 ANNUAL RUNOFF (AC-FT) 43290 40080 27100 10 PERCENT EXCEEDS 124 136 85 50 PERCENT EXCEEDS 50 32 22 90 PERCENT EXCEEDS 20 19 8.8
10336780 TROUT CREEK NEAR TAHOE VALLEY, CA-Continued - 1998 WY


                             10336780 TROUT CREEK NEAR TAHOE VALLEY, CA-Continued

WATER-QUALITY RECORDS
PERIOD OF RECORD.-Water years 1974, 1978, 1980-85, 1988, 1997 to current year.
PERIOD OF DAILY RECORD.-
  SPECIFIC CONDUCTANCE: March 1981 to September 1983.
  WATER TEMPERATURE:  September 1997 to current year.
  SUSPENDED-SEDIMENT DISCHARGE: October 1971 to June 1974, October 1977 to June 1978, March 1980 to September 1985, October 1987 to September 1988.
INSTRUMENTATION.-Water-temperature recorder since September 1997 to current year, two times per hour.
REMARKS.-In October 1992, station was incorporated into the expanded Lake Tahoe Interagency Monitoring Program to monitor tributary contributions of nutrients and sediment to Lake Tahoe. Water-temperature records represent water temperature probe within 0.5C. Interruptions in record due to loss of hydrologic with stream channel and(or) instrument malfunction. Water-temperature data for September 1997 were not published but are available from the U.S. Geological Survey.  These data are reviewed and provided by the Nevada District Office, U.S. Geological Survey.
EXTREMES FOR PERIOD OF DAILY RECORD.-
  SPECIFIC CONDUCTANCE: March 1981 to September 1983.
  WATER TEMPERATURE: Maximum, 20.5C, July 25, 1988; minimum, freezing point on many days during winter months in most years.
  SUSPENDED-SEDIMENT DISCHARGE: October 1971 to June 1974, October 1977 to June 1978, March 1980 to September 1985, October 1987 to September 1988.
EXTREMES FOR CURRENT YEAR.-
  WATER TEMPERATURE: Maximum, 16.0C, Aug. 30; minimum, freezing point, many days November to May.

                    TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1     12.5     7.0     9.5       6.5     3.0     4.5       4.0     1.0     2.0       1.5     1.0     1.0
   2     12.0     8.5    10.0       6.0     2.0     4.0       1.5      .0     1.0       1.0      .5     1.0
   3     10.0     5.0     7.5       5.5     2.5     4.0       1.0      .0      .5       1.0      .5      .5
   4     10.0     5.0     7.5       6.0     3.0     4.0       1.5      .5     1.0        .5      .0      .5
   5     10.0     5.0     7.5       5.5     2.0     4.0       1.0      .5      .5        .5      .0      .0
 
   6      8.5     5.0     6.5       6.0     2.5     4.0       1.5     1.0     1.5        .5      .0      .0
   7      8.0     4.5     5.5       6.5     3.5     4.5       1.5      .5     1.0        .5      .0      .0
   8      6.0     3.0     4.5       3.5      .5     2.0        .5      .0      .5        .5      .0      .5
   9      7.5     4.5     5.5       3.0      .5     1.5        .5      .0      .5       1.5      .5     1.0
  10      7.5     4.5     5.5       3.5     2.0     3.0        .5      .0      .0       1.5     1.0     1.0
 
  11      5.5     3.5     4.5       4.0     2.5     3.0        .5      .0      .0       1.5     1.0     1.0
  12      6.0     1.5     3.5       4.0     1.0     2.5        .0      .0      .0       1.0      .5     1.0
  13      6.5     2.0     4.0       2.5     1.0     1.5        .5      .0      .0       1.0      .5      .5
  14      6.5     2.5     4.5       2.5      .5     1.5       1.0      .5      .5       1.0      .5     1.0
  15      7.5     3.0     5.0       1.5      .5     1.0        .5      .5      .5       1.0     1.0     1.0
 
  16      8.0     3.5     5.5       1.0      .0      .5       1.5      .5      .5       1.5     1.0     1.0
  17      7.5     3.5     5.5       3.0      .5     1.5       1.5     1.0     1.0       2.5     1.5     1.5
  18      7.5     3.5     5.0       1.5      .5     1.0       1.5      .5     1.0       2.0      .5     1.5
  19      7.0     3.0     5.0       4.0     1.5     3.0        .5      .5      .5        .5      .5      .5
  20      6.5     3.0     4.5       3.0     1.5     2.0       1.0      .5      .5       1.0      .5      .5
 
  21      7.0     3.0     5.0       4.0     1.5     2.5        .5      .0      .0       1.0      .0      .5
  22      6.5     3.0     4.5       4.0     1.5     3.0        .5      .0      .0       1.5      .0      .5
  23      7.5     4.0     5.5       5.0     2.5     3.5        .5      .0      .0       2.5      .5     1.0
  24      5.5     2.5     4.0       3.5     1.5     2.5        .0      .0      .0       2.5      .0     1.0
  25      4.5     1.0     2.5       3.5     1.5     2.5        .0      .0      .0       1.5      .0      .5
 
  26      4.5      .5     2.5       2.5     1.5     2.0        .0      .0      .0       1.5      .0     1.0
  27      4.5     1.5     2.5       3.0     1.5     2.0        .0      .0      .0       4.5     1.0     2.0
  28      4.0     1.0     2.0       2.5      .5     1.5        .5      .0      .0       3.5      .5     1.5
  29      5.0     1.5     3.0       2.0      .5     1.0       1.0      .5      .5       1.5      .0     1.0
  30      6.5     2.5     4.0       2.5      .5     1.5       1.5      .5      .5       1.0      .0      .0
  31      7.0     3.0     5.0       ---     ---     ---       1.5     1.0     1.0       1.5      .0      .5
 
 MONTH   12.5      .5     5.1       6.5      .0     2.5       4.0      .0      .5       4.5      .0      .8
   10336780 TROUT CREEK NEAR TAHOE VALLEY, CA-Continued

                    TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1       .5      .0      .0       3.0      .0     1.5       3.0      .5     1.5       8.0     3.0     5.5
   2      1.0      .0      .5       4.5      .5     2.0       6.0     1.0     3.0       7.0     3.5     5.0
   3      1.5      .5     1.0       5.5     1.0     2.5       4.5     1.5     3.0       6.0     3.0     4.5
   4      2.5      .0     1.0       3.5      .0     1.0       5.5     1.0     2.5       6.5     3.5     4.5
   5      1.5      .0      .5       1.0      .0      .5       5.5     1.5     3.0       5.5     3.0     4.0
 
   6      2.0      .5     1.5       1.0      .0      .0       4.5     1.0     2.5       3.5     2.0     2.5
   7      1.5      .0      .5        .5      .0      .0       4.5     1.0     2.5       6.0     3.0     4.0
   8       .0      .0      .0       4.0      .5     1.0       5.5      .5     2.5       7.0     3.5     5.0
   9      1.5      .0      .5       3.0      .0     1.0       6.5     1.5     3.5       7.5     3.5     5.0
  10       .5      .0      .0       4.0      .0     1.5       5.5     1.5     3.0       6.5     2.5     4.5
 
  11      2.0      .0      .5       5.0      .5     2.5       3.5     1.5     2.5       5.5     2.0     4.0
  12      1.5      .0      .5       4.0      .5     2.5       4.5     1.0     2.5       4.0     2.5     3.0
  13      3.5      .5     1.5       3.0     1.5     2.0       2.5      .0     1.0       4.5     1.5     3.0
  14      1.5      .0      .5       6.0     1.5     3.0       3.5      .0     1.5       6.0     2.5     4.0
  15      2.0      .0      .5       6.5     1.5     3.5       5.0      .0     2.0       8.5     2.5     5.0
 
  16       .0      .0      .0       6.5     1.5     3.5       6.5      .0     3.0       5.0     2.0     3.0
  17      1.5      .0      .5       6.5      .5     3.0       7.5      .5     3.5       7.5     1.5     4.0
  18      2.0      .0      .5       6.0     1.0     3.0       8.0     1.5     4.0       8.5     2.0     5.0
  19      1.5      .5      .5       6.5     1.0     3.0       9.0     2.0     5.0       9.0     3.0     5.5
  20      1.5      .0      .5       6.5     1.5     3.5       9.0     2.0     5.0       8.0     3.0     5.5
 
  21       .5      .0      .0       6.5     1.5     3.5       9.0     2.0     5.0       5.0     2.5     3.5
  22      1.0      .0      .5       4.5     2.0     3.0       6.5     2.5     4.5       9.0     2.0     5.0
  23       .5      .0      .0       4.5     1.5     2.5       5.0     3.0     4.0       6.5     3.5     5.0
  24       .0      .0      .0       1.5      .0      .5       6.5     2.5     4.0       9.0     3.0     6.0
  25      1.0      .0      .5       2.5      .5     1.5       7.5     2.0     4.5       6.5     3.5     5.0
 
  26      1.5      .0      .5       4.5     1.5     3.0       8.0     2.0     4.5       4.5     2.0     3.0
  27      3.0      .5     1.0       3.5      .5     2.0       8.0     2.5     5.0       5.5     2.0     3.5
  28      3.5      .0     1.0       3.5      .0     1.5       8.5     2.5     5.0       9.0     3.5     5.5
  29      ---     ---     ---       2.0      .5     1.0       8.5     2.5     5.0       7.0     2.0     4.5
  30      ---     ---     ---       4.0      .0     1.5       8.0     2.5     5.0       8.5     2.5     5.5
  31      ---     ---     ---       3.0     1.0     2.0       ---     ---     ---       9.5     3.5     6.5
 
 MONTH    3.5      .0      .5       6.5      .0     2.0       9.0      .0     3.5       9.5     1.5     4.5
 
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      9.0     4.0     6.5      10.5     5.5     8.0      13.5     7.5    10.5      15.5     9.5    12.0
   2      7.0     4.5     5.5      11.0     6.5     9.0      14.0     8.0    11.0      15.0     9.0    12.0
   3      6.5     4.0     5.0      10.5     5.5     8.5      14.5     8.5    11.5      14.5     9.0    11.5
   4      9.5     4.0     6.5      11.0     6.5     9.0      14.5     8.5    11.5      13.5    10.0    11.5
   5      8.0     4.0     6.0      11.0     6.5     9.0      14.5     9.5    12.0      16.0    10.5    12.5
 
   6      8.0     4.5     6.0       ---     ---     ---      15.0     9.5    12.0      13.5    10.5    12.0
   7      9.0     4.5     6.5       ---     ---     ---      15.0    10.0    12.5      15.5    10.0    12.0
   8      8.0     4.0     6.0       ---     ---     ---      13.5     8.0    11.0      13.5     9.5    11.0
   9      9.0     4.0     6.5       ---     ---     ---      13.5     8.0    10.5      12.0     9.5    11.0
  10      6.5     4.5     5.0      11.5     7.0     9.5      14.0     8.0    11.0      11.5     6.5     9.0
 
  11      6.0     4.5     5.0      11.5     6.5     9.0      14.5     9.0    11.5      12.5     7.0     9.5
  12      9.0     4.5     6.0      12.0     7.0     9.5      15.0     9.5    12.0      13.0     8.0    10.0
  13      9.5     4.5     6.5      12.0     7.5    10.0      13.5    10.0    12.0      14.0     8.5    10.5
  14     10.0     4.5     7.0      12.0     7.0     9.5      13.5    10.5    12.0      14.0     8.5    11.0
  15      9.0     4.5     6.5      12.0     6.5     9.5      15.0     9.0    12.0      12.5     9.0    10.5
 
  16      9.5     4.5     7.0      13.0     8.0    10.5      14.5     9.0    11.5      14.0     8.5    11.0
  17      9.0     3.5     6.0      14.0     9.0    11.5      14.0     8.5    11.0      14.0     9.0    11.0
  18     10.0     4.5     7.0      14.0     9.0    11.5      12.5     7.5    10.0      13.0     8.0    10.0
  19     10.0     4.5     7.0      14.0     9.0    11.5      13.0     8.5    10.5      11.5     6.0     8.5
  20      9.0     4.5     7.0      13.5     9.0    11.5      13.0     7.5    10.0      11.5     6.5     8.5
 
  21      9.0     5.0     7.0      13.5     9.0    11.5      12.5     6.5     9.5      11.0     6.0     8.0
  22     10.0     4.5     7.0      12.0    10.5    11.0      12.5     6.5     9.5      10.0     5.5     7.5
  23      9.0     4.0     6.5      12.0    10.0    11.0      13.0     7.0    10.0       9.5     6.5     8.0
  24      9.5     4.5     7.0      11.0     9.0    10.0      13.5     7.0    10.0       9.5     6.5     8.0
  25     10.0     5.5     7.5      13.5     8.5    11.0      13.5     7.5    10.0       8.5     6.0     7.0
 
  26      9.5     4.5     7.0      12.0     8.5    10.5      13.0     7.5    10.0       9.0     6.0     7.0
  27     10.5     4.5     7.5      13.0     8.5    10.5      14.0     7.5    10.5       7.5     5.5     6.0
  28     10.5     5.5     8.0      13.5     8.5    11.0      14.5     8.5    11.5       9.0     4.5     6.5
  29     10.5     5.5     8.0      14.0     8.5    11.0      15.5     9.5    12.0       9.0     4.5     6.5
  30     10.5     5.5     8.0      12.5     8.0    10.0      16.0    10.0    12.5      10.0     6.0     8.0
  31      ---     ---     ---      11.5     7.0     9.5      15.5     9.5    12.0       ---     ---     ---
 
 MONTH   10.5     3.5     6.6       ---     ---     ---      16.0     6.5    11.1      16.0     4.5     9.6
 

   
   


1998 California Hydrologic Data Report Index
USGS Water Resources of California

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