10338500 DONNER CREEK AT DONNER LAKE, NEAR TRUCKEE, CA

LOCATION.-Lat 39°19'25", long 120°14'00", in SW 1/4 NW 1/4 sec.17, T.17 N., R.16 E., Nevada County, Hydrologic Unit 16050102, in Donner 
  Memorial State Park, on left bank 10 ft downstream from bridge on Donner Memorial State Park road, 0.2 mi downstream from outlet of 
  Donner Lake, 0.7 mi upstream from Cold Creek, and 2.5 mi west of Truckee. 
DRAINAGE AREA.-14.3 mi2. 
PERIOD OF RECORD.-November 1909 to August 1910, January 1929 to October 1935, January 1936 to March 1938, July to October 1938, 
  January 1939 to February 1943, June 1943 to December 1953, May 1955 to December 1957, October 1958 to current year. Monthly discharge 
  only prior to October 1958, published in WSP 1314 and 1734. 
REVISED RECORDS.-WDR CA-79-3: Drainage area. 
GAGE.-Water-stage recorder and concrete control, completed Oct. 3, 1989. Datum of gage is 5,924.40 ft above sea level. Nov. 1, 1909, to Aug. 31, 
  1910, nonrecording gage at different datum. January 1929 to December 1957, water-stage recorder at same site at unknown datum. 
REMARKS.-Records good. Flow completely regulated at dam at outlet of Donner Lake (station 10338400) since 1928. See schematic diagram 
  of Truckee River Basin. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 863 ft3/s, Jan. 2, 1997; gage height, 6.69 ft; no flow at times in many years. 

                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                                               DAILY MEAN VALUES
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1        49     24         35      578       67       31       99    104       30        3.2      2.2     e1.5
  2        48     22         34      820       64       32       91    102       30        3.3      2.4     e1.5
  3        47     20         32      817       60       33       84    101       30        2.9      2.8      4.0
  4        47     18         31      725       56       31       80    103       51        2.8      2.5      6.2
  5        45     17         68      677       53       30       75    104       71        3.1      2.1      6.1
 
  6        43     16         80      629       51       29       72    105       71        3.6      2.0      5.6
  7        42     14         78      580       48       28       69     84       69        3.4      2.4      5.6
  8        41     14         75      530       47       28       67     34       70        3.0      2.0      5.8
  9        40     13         75      471       43       28       66     11       69        2.3      2.3      6.0
 10        39     12         84      393       41       29       65     11       48        3.8      2.0      6.5
 
 11        37     11         95      324       38       31       61     11       29        4.9      2.1     16  
 12        34      9.8      151      253       37       33       60     11       29        4.0      2.2     39  
 13        33      9.3      177      198       35       34       58     12       29        4.5      2.9     72  
 14        31      8.8      203      167       34       34       59     33       29        4.5      3.5     73  
 15        30      8.2      194      145       33       37       61     67       28        4.6      4.1     72  
 
 16        29      7.9      162      126       32       42       68     68       28        4.7      5.2     72  
 17        28     14        141      111       35       48       77     68       27        4.7      4.9     70  
 18        27     35        124      100       35       49       88     70       26        4.1      4.8     69  
 19        27     39        110       90       35       52      121     38       21        3.9      3.2     72  
 20        25     44         99       82       33       56      149      6.9     14        4.0      2.5     76  
 
 21        24     45        102       80       33       59      151      5.7     13        4.3      2.4     75  
 22        23     56        102       92       32       64      109      5.8     13        4.0      2.4     74  
 23        22     58         94      103       32       72       90      6.1     13        4.2      2.4     73  
 24        21     55         84       82       31       79       97      6.0      9.4      4.1      2.2     73  
 25        20     50         76       92       30       84      100      6.1      4.4      3.9      2.0     82  
 
 26        19     46         74      108       30       90      102      7.1      3.7      4.2      1.5     87  
 27        18     43         85      101       30      100      104      7.1      3.8      4.1      1.6     84  
 28        17     40         83       92       30      106      104      7.1      3.7      4.0      1.6     81  
 29        16     37         87       86      ---      107      105     18        3.7      3.7      1.8     82  
 30        22     34        128       78      ---      105      105     31        3.3      3.0      2.2     84  
 31        26      ---      332       71      ---      104      ---     30        ---      2.5      1.6      ---
 
TOTAL     970    821.0     3295     8801     1125     1685     2637   1273.9    870.0    117.3     79.8   1474.8
MEAN     31.3     27.4      106      284     40.2     54.4     87.9     41.1     29.0     3.78     2.57     49.2
MAX        49       58      332      820       67      107      151      105       71      4.9      5.2       87
MIN        16      7.9       31       71       30       28       58      5.7      3.3      2.3      1.5      1.5
AC-FT    1920     1630     6540    17460     2230     3340     5230     2530     1730      233      158     2930
 
    e Estimated.



STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1929 - 1997, BY WATER YEAR (WY)          

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

MEAN     29.4     27.7     31.6     33.8     32.3     36.5     52.1     86.0     45.9     12.4     8.07     24.9
MAX      85.7      195      214      284      198      182      144      243      244     67.2     52.7     99.1
(WY)     1973     1951     1951     1997     1986     1986     1940     1952     1983     1934     1932     1983
MIN      .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000
(WY)     1930     1930     1930     1929     1929     1929     1929     1929     1929     1937     1936     1930

 
SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1929 - 1997
 
ANNUAL TOTAL                       22604.8                    23149.8                                           
ANNUAL MEAN                           61.8                       63.4                       36.0                
HIGHEST ANNUAL MEAN                                                                         83.3            1982
LOWEST ANNUAL MEAN                                                                           7.71           1977
HIGHEST DAILY MEAN                   540     May 17             820     Jan  2             820       Jan  2 1997
LOWEST DAILY MEAN                      1.4   Jul  4               1.5   Aug 26                .00    Jan  1 1929
ANNUAL SEVEN-DAY MINIMUM               3.9   Jul  2               1.7   Aug 26                .00    Jan  1 1929
INSTANTANEOUS PEAK FLOW                                         863     Jan  2             863       Jan  2 1997
INSTANTANEOUS PEAK STAGE                                          6.69  Jan  2               6.69    Jan  2 1997
ANNUAL RUNOFF (AC-FT)              44840                      45920                      26060                  
10 PERCENT EXCEEDS                   126                        105                         99                  
50 PERCENT EXCEEDS                    46                         35                         13                  
90 PERCENT EXCEEDS                     5.8                        3.3                         .00