1998 California Hydrologic Data Report
10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, CA - 1998 WY


                       10336775  TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, CA

LOCATION.-Lat 38°54'13", long 119°58'04", in SE 1/4 NE 1/4 sec.10, T.12 N., R.18 E., El Dorado County, Hydrologic Unit 16050101, on left bank, 200 ft upstream of Pioneer Trail Road, 0.6 mi upstream of confluence of Cold Creek, and 2.8 mi south of South Lake Tahoe.
DRAINAGE AREA.-23.7 mi2.
 WATER-DISCHARGE RECORDS
PERIOD OF RECORD.-June 1990 to current year.
GAGE.-Water-stage recorder. Elevation of gage is 6,270 ft above sea level, from topographic map. Prior to May 1, 1992, at datum 0.12 ft higher.
REMARKS.-Records good except for estimated daily discharge, which are poor. These data are reviewed and provided by the Nevada District Office, U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 525 ft3/s, Jan. 2, 1997, gage height, 7.59 ft; minimum daily, 2.0 ft3/s, Dec. 22, 1990.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 100 ft3/s and maximum (*):
  Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)		Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)
  Mar. 24		1745		135		3.40		June 25		2345		*158		*3.60
CORRECTION.-The annual maximum gage height for water year 1997 is 7.59 ft; the previously published figure was not the maximum.

                  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        12       12       12      e12       15       15       30       61       63      130       38       17
   2        13       11       12      e12       17       14       29       62       68      130       37       17
   3        13       11      e12      e12       26       14       28       61       68      129       35       17
   4        12       11       12      e13       20      e14       26       59       68      126       34       19
   5        12       11       12      e13       18      e15       26       59       71      125       33       19
  
   6        12       11       12      e13       17      e15       25       65       81      123       32       20
   7        13       11       12      e13       16      e16       25       59      113      119       31       19
   8        13       11       12      e13       15      e16       25       62       97      116       30       18
   9        15       12       11      e14       16      e15       25       63       97      115       29       23
  10        14       11       12       14       16       15       26       57      100      110       28       18
  
  11        14       11      e11       15       16       13       25       54      100      103       28       17
  12        13       11      e11       18       16       13       24       52      103       97       27       17
  13        13       11      e11       18       16       13       23       49      119       92      e27       16
  14        13       11      e11       16       14       14       23       47      121       87      e27       16
  15        13       12      e11       34      e14       15       22       47      127       82       27       15
  
  16        13       14      e11       30      e14       17       22       49      133       78       25       15
  17        13       12      e11       29      e14       17       23       48      127       75       24       15
  18        12       12      e11       21       15       18       25       47      129       72       24       14
  19        12       12       11       20       15       18       29       49      137       67       24       14
  20        12       11      e11       18       15       20       34       51      139       64       23       14
  
  21        12       11      e12       16       13       21       41       49      140       60       23       14
  22        12       11      e12      e16      e13       28       48       47      141       60       22       14
  23        12       11      e12       16       13       45       49       50      138       60       21       15
  24        12       11      e12       16      e14      112       43       51      133       56       21       16
  25        12       12      e12      e16      e14       79       41       58      140       53       20       16
  
  26        12       15      e12       16      e14       52       41       53      139       49       20       16
  27        12       13      e12       15      e14       44       44       48      134       47       19       19
  28        12       12      e12       15       14       39       48       47      135       45       19       17
  29        12       13      e12       15      ---       35       53       50      137       42       19       17
  30        12       12      e12       16      ---       34       57       50      135       41       18       17
  31        12      ---      e12       15      ---       32      ---       56      ---       40       18      ---
  
 TOTAL     389      350      361      520      434      828      980     1660     3433     2593      803      501
 MEAN     12.5     11.7     11.6     16.8     15.5     26.7     32.7     53.5      114     83.6     25.9     16.7
 MAX        15       15       12       34       26      112       57       65      141      130       38       23
 MIN        12       11       11       12       13       13       22       47       63       40       18       14
 AC-FT     772      694      716     1030      861     1640     1940     3290     6810     5140     1590      994
  
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1998, BY WATER YEAR (WY)                                 
  
 MEAN     8.70     9.64     11.9     20.2     15.6     23.1     32.5     59.3     65.7     38.9     14.3     9.86
 MAX      14.4     18.7     34.2     87.8     38.2     42.0     54.9      107      158      142     35.8     19.0
 (WY)     1996     1997     1997     1997     1997     1997     1996     1996     1995     1995     1995     1995
 MIN      4.49     5.03     4.05     4.70     5.49     7.85     12.2     14.2     7.66     5.84     4.48     4.08
 (WY)     1991     1991     1991     1991     1993     1992     1991     1992     1992     1992     1994     1992
  
 SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1990 - 1998
  
 ANNUAL TOTAL                       14718                      12852                                             
 ANNUAL MEAN                           40.3                       35.2                       26.8                
 HIGHEST ANNUAL MEAN                                                                         46.9            1995
 LOWEST ANNUAL MEAN                                                                           7.71           1992
   HIGHEST DAILY MEAN                   457     Jan  2             141     Jun 22             457       Jan  2 1997
   LOWEST DAILY MEAN                     11     Nov  2              11     Nov  2               2.0     Dec 22 1990
   ANNUAL SEVEN-DAY MINIMUM              11     Nov  2              11     Nov  2               2.8     Dec 21 1990
   INSTANTANEOUS PEAK FLOW                                         158     Jun 25             525       Jan  2 1997
   INSTANTANEOUS PEAK STAGE                                          3.60  Jun 25               7.59    Jan  2 1997
 ANNUAL RUNOFF (AC-FT)              29190                      25490                      19450                  
 10 PERCENT EXCEEDS                    89                         97                         68                  
 50 PERCENT EXCEEDS                    32                         18                         13                  
 90 PERCENT EXCEEDS                    12                         12                          4.9                
  
   e  Estimated.

   
   
10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, CA-Continued - 1998 WY


                  10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, CA-Continued

WATER-QUALITY RECORDS
PERIOD OF RECORD.-Water years 1990 to current year.
PERIOD OF DAILY RECORD.-
  WATER TEMPERATURE:  September 1997 to current year.
INSTRUMENTATION.-Water-temperature recorder since September 1997, two times per hour.
REMARKS.-In November 1989, 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 at probe within 0.5C. Interruptions in record due to loss of hydrologic communications with stream channel, probe in ice and/or instrument malfunction. Water-temperature data for September 1997 were not published but are available from 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.-
  WATER TEMPERATURE:  Maximum, 16.0C, Aug. 30, 1998; minimum, freezing point on many days from October 1997 to April 1998. 
EXTREMES FOR CURRENT YEAR.-
  WATER TEMPERATURE:  Maximum, 16.0C, Aug. 30; minimum, freezing point, many days October to April.

                         WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
                       DIS-              PH                        BARO-            OXYGEN,
                     CHARGE,   SPE-     WATER                      METRIC             DIS- 
                      INST.    CIFIC    WHOLE                      PRES-             SOLVED
                      CUBIC    CON-     FIELD   TEMPER-  TEMPER-    SURE   OXYGEN,   (PER- 
                       FEET    DUCT-   (STAND-   ATURE    ATURE     (MM      DIS-     CENT 
    DATE      TIME     PER     ANCE      ARD      AIR     WATER      OF     SOLVED   SATUR-
                      SECOND  (US/CM)   UNITS)  (DEG C)  (DEG C)    HG)     (MG/L)   ATION)
                     (00061)  (00095)  (00400)  (00020)  (00010)  (00025)  (00300)  (00301)
OCT     
  08...       0940      13     57         --     4.0      3.0        --       --       --  
  21...       0935      12     53         --     4.0      2.5        --       --       --  
NOV     
  12...       1345      11       --       --     8.0      3.0        --       --       --  
  25...       1530      11     59         --     4.0      3.0        --       --       --  
DEC     
  17...       1000      12     53        7.2     4.5       .5       604     11.2      98   
  31...       1250      12       --       --     7.5      1.5        --       --       --  
JAN     
  16...       1120      21     47         --     5.0       .0        --       --       --  
  22...       0910      16     53         --    -3.5      -.5        --       --       --  
FEB     
  04...       0955      20     56         --      .0      1.0        --       --       --  
  25...       1550      14     54         --      .5       .5        --       --       --  
MAR     
  09...       1340      16     60         --     5.0      2.0        --       --       --  
  19...       1530      18     56         --    11.5      5.0        --       --       --  
  25...       1700      68     45         --     1.5      2.0        --       --       --  
APR     
  21...       1550      36     52         --    19.0      7.5        --       --       --  
  28...       1140      46     47         --    13.0      5.0        --       --       --  
  30...       1400      53     42         --    17.5      6.5        --       --       --  
MAY     
  05...       1230      56     39         --     9.5      3.5       597     10.3      99   
  20...       1030      48     40         --     9.0      4.0        --       --       --  
  28...       1315      43     42         --    12.5      6.5        --       --       --  
JUN     
  03...       1830      60     34         --     6.5      6.0        --       --       --  
  10...       1310      99     32         --     9.0        --       --       --       --  
  11...       1530     100     27         --     5.5      5.0        --       --       --  
  18...       1420     124     24         --    20.5      7.5        --       --       --  
  23...       1935     146     20         --    13.5      8.0        --       --       --  
  30...       2010     142     20         --    13.5      9.5        --       --       --  
JUL     
  15...       0900      85     25         --    14.0      6.5        --       --       --  
  22...       1207      61     33         --    22.0     12.0        --       --       --  
  30...       0930      45     33         --    16.5      8.0        --       --       --  
AUG     
  13...       1630      29     40         --    27.5     14.0        --       --       --  
  31...       1248      18       --       --    20.0     10.0        --       --       --  
SEP     
  29...       1015      18     49        7.8     8.0      5.5       601      9.6      97   
  10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, CA-Continued

                         WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
           NITRO-   NITRO-   NITRO-            PHOS-    IRON,             SEDI- 
              GEN,     GEN,   GEN,AM-           PHORUS    BIO.              MENT, 
            NO2+NO3  AMMONIA  MONIA +   PHOS-    ORTHO,   REACT-   SEDI-     DIS- 
              DIS-     DIS-   ORGANIC  PHORUS    DIS-      IVE     MENT,   CHARGE,
             SOLVED   SOLVED   TOTAL    TOTAL   SOLVED    TOTAL    SUS-      SUS- 
    DATE     (MG/L    (MG/L    (MG/L    (MG/L   (MG/L    (UG/L     PENDED   PENDED
             AS N)    AS N)    AS N)    AS P)   AS P)     AS FE)   (MG/L)  (T/DAY)
            (00631)  (00608)  (00625)  (00665)  (00671)  (46568)  (80154)  (80155)
OCT     
  08...        --       --       --       --       --       --       --       --  
  21...       .005     .001      .08     .019     .008     169      <1        --  
NOV     
  12...        --       --       --       --       --       --       --       --  
  25...       .005    <.001      .16     .018     .009     238       1        .03 
DEC     
  17...       .010     .003      .05     .016     .008     161       1        .03 
  31...        --       --       --       --       --       --       --       --  
JAN     
  16...       .021     .001      .32     .064     .014     938      32       1.8  
  22...       .015    <.001      .09     .015     .009     214       3        .13 
FEB     
  04...        --       --       --       --       --       --       --       --  
  25...       .019    <.001      .11     .028     .008     294       4        .15 
MAR     
  09...        --       --       --       --       --       --       --       --  
  19...       .017    <.001      .16     .027     .009     394       7        .34 
  25...       .013     .002      .35     .064     .008    1060      31       5.7  
APR     
  21...       .015     .001      .14     .031     .019     382       7        .67 
  28...        --       --       --       --       --       --       --       --  
  30...       .012     .004      .18     .029     .008     410      14       2.0  
MAY     
  05...       .010     .002      .28     .028     .008     400       9       1.4  
  20...       .009    <.001      .10     .031     .007     337       5        .64 
  28...       .005    <.001      .07     .036     .007     285       4        .46 
JUN     
  03...       .006     .002      .14     .035     .007     381       7       1.1  
  10...        --       --       --       --       --       --       --       --  
  11...       .007     .002      .12     .029     .008     409      20       5.4  
  18...       .006     .001      .16     .042     .007    1080      18       6.0  
  23...       .005     .001      .23     .037     .008     292      16       6.3  
  30...       .005    <.001      .10     .047     .007     322      15       5.8  
JUL     
  15...       .005     .001      .23     .037     .007     351       7       1.6  
  22...        --       --       --       --       --       --       --       --  
  30...       .005     .002      .10     .037     .008     346       4        .48 
AUG     
  13...       .004     .002      .10     .036     .010     582      10        .78 
  31...        --       --       --       --       --       --       --       --  
SEP     
  29...       .006    <.001      .07     .019     .009     213       3        .15 
  10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, 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
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1     12.0     6.5     9.5       5.5     2.5     4.0       2.5      .5     1.5        .5      .0      .0
   2     11.5     7.5     9.5       5.0     1.5     3.0        .5      .0      .0       ---     ---     ---
   3      9.5     5.0     7.5       5.0     2.0     3.5        .5      .0      .0       ---     ---     ---
   4     10.0     5.0     7.0       5.5     2.5     3.5        .5      .0      .0       ---     ---     ---
   5      9.5     5.0     7.0       5.0     1.5     3.0        .5      .0      .0       ---     ---     ---
 
   6      8.5     4.5     6.0       5.0     1.5     3.5       1.0      .5      .5       ---     ---     ---
   7      7.5     4.0     5.5       6.5     3.0     4.5       1.5      .0      .5       ---     ---     ---
   8      6.0     2.5     4.0       3.0      .5     1.5        .0      .0      .0       ---     ---     ---
   9      7.0     4.0     5.5       2.5      .0     1.0        .5      .0      .0       ---     ---     ---
  10      6.5     4.0     5.0       3.5     1.5     2.5        .0      .0      .0       ---     ---     ---
 
  11      5.5     2.5     4.0       3.5     2.0     3.0        .5      .0      .0       ---     ---     ---
  12      5.0     1.5     3.0       2.5      .5     1.5        .5      .0      .0       ---     ---     ---
  13      5.5     1.5     3.5       2.0      .5     1.5        .5      .0      .0       ---     ---     ---
  14      6.0     2.0     4.0       2.0      .5     1.0        .5      .0      .0       ---     ---     ---
  15      6.5     2.5     4.5       1.5      .0      .5       ---     ---     ---       ---     ---     ---
 
  16      7.0     3.0     5.0        .5      .0      .0       ---     ---     ---       1.0      .0      .5
  17      7.0     3.0     5.0       3.0      .0     1.0        .5      .0      .0       2.0     1.0     1.5
  18      6.5     3.0     4.5       1.5      .0      .5        .5      .0      .0       2.0      .0     1.0
  19      6.5     2.5     4.5       3.5     1.5     2.5        .5      .0      .0        .0      .0      .0
  20      6.0     2.5     4.0       3.0     1.0     2.0        .5      .0      .0        .0      .0      .0
 
  21      6.5     2.5     4.0       3.5     1.0     2.0       ---     ---     ---        .0      .0      .0
  22      6.0     2.5     4.0       4.0     1.5     2.5       ---     ---     ---        .5      .0      .0
  23      7.0     4.0     5.0       4.5     2.5     3.5        .5      .0      .0       1.0      .0      .5
  24      4.5     1.5     3.5       3.0     1.0     2.0       ---     ---     ---       1.5      .0      .5
  25      3.5      .5     2.0       3.0     1.0     2.0       ---     ---     ---        .5      .0      .0
 
  26      3.5      .0     1.5       2.5      .5     1.5       ---     ---     ---       1.5      .0      .5
  27      4.0      .5     2.0       2.5      .5     1.5       ---     ---     ---       3.0      .5     1.5
  28      3.0      .0     1.5       1.5      .0      .5       1.0      .0      .0       2.5      .0     1.0
  29      4.5     1.0     3.0       1.5      .0      .5        .5      .0      .0       1.0      .0      .5
  30      5.5     2.0     3.5       2.0      .0     1.0        .5      .0      .0        .5      .0      .0
  31      6.0     2.5     4.0       ---     ---     ---        .0      .0      .0        .5      .0      .0
 
 MONTH   12.0      .0     4.6       6.5      .0     2.0       ---     ---     ---       ---     ---     ---
 
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1       .0      .0      .0       2.5      .0     1.0       2.5      .5     1.5       7.5     2.5     5.0
   2       .0      .0      .0       3.5      .0     1.5       5.0     1.0     2.5       6.5     3.5     4.5
   3      1.0      .0      .5       4.0      .5     2.0       4.0     1.5     2.5       5.5     3.0     4.0
   4      2.0      .0      .5       1.5      .0      .5       4.0     1.0     2.0       6.5     3.0     4.5
   5      1.0      .0      .5        .5      .0      .0       4.0     1.0     2.0       4.5     2.5     3.5
 
   6      1.5      .5     1.0        .0      .0      .0       3.5     1.0     2.0       3.0     2.0     2.5
   7      1.0      .0      .5        .5      .0      .0       5.0     1.0     2.0       5.5     2.5     4.0
   8       .5      .0      .0       1.0      .0      .5       5.0      .5     2.0       6.5     3.5     4.5
   9       .5      .0      .0       2.0      .0      .5       6.0     1.5     3.0       7.0     3.0     4.5
  10       .0      .0      .0       3.5      .0     1.0       4.5     1.5     2.5       6.5     2.0     4.0
 
  11       .5      .0      .0       4.0      .5     2.0       3.0     1.5     2.0       5.5     2.0     3.5
  12       .5      .0      .0       3.5      .5     2.0       3.5      .5     2.0       4.0     2.0     3.0
  13      1.5      .0      .5       3.0     1.0     1.5       1.5      .0      .5       4.0     2.0     3.0
  14      1.0      .0      .5       5.5     1.0     2.5       4.0      .0     1.0       6.0     2.5     4.0
  15       .5      .0      .0       5.0     1.0     2.5       4.0      .0     1.5       7.5     2.0     4.5
 
  16       .0      .0      .0       5.0     1.5     2.5       5.0      .0     2.0       5.0     2.0     2.5
  17       .5      .0      .0       5.0      .5     2.5       6.0      .0     2.5       6.5     1.0     3.5
  18       .5      .0      .0       5.0     1.0     2.5       6.5     1.0     3.5       7.5     2.0     4.5
  19       .5      .0      .0       5.0     1.0     2.5       7.5     1.5     4.0       8.0     2.5     5.0
  20       .5      .0      .0       5.5     1.0     3.0       7.5     1.5     4.0       7.0     3.0     5.0
 
  21       .5      .0      .0       5.0     1.0     3.0       8.0     2.0     4.5       4.5     2.5     3.5
  22       .5      .0      .0       4.0     1.5     2.5       6.0     2.0     4.0       8.0     2.0     5.0
  23       .0      .0      .0       3.5     1.0     2.5       4.5     2.5     3.5       5.5     3.0     4.5
  24      1.0      .0      .0       1.0      .0      .5       6.0     2.0     3.5       8.5     2.5     5.5
  25       .5      .0      .0       2.0      .5     1.5       6.5     2.0     4.0       6.0     3.5     4.5
 
  26       .5      .0      .0       4.0     1.5     2.5       7.0     1.5     4.0       3.5     2.0     3.0
  27      1.0      .0      .0       3.0      .5     2.0       7.0     2.0     4.5       5.5     2.0     3.5
  28      1.0      .0      .5       3.0      .5     1.0       7.5     2.0     4.5       8.5     3.5     5.0
  29      ---     ---     ---       1.5      .5     1.0       8.0     2.0     4.5       6.5     2.0     4.0
  30      ---     ---     ---       3.5      .0     1.0       7.5     2.5     4.5       8.0     2.0     5.0
  31      ---     ---     ---       2.5     1.0     1.5       ---     ---     ---       9.0     3.5     6.0
 
 MONTH    2.0      .0      .2       5.5      .0     1.6       8.0      .0     2.9       9.0     1.0     4.2
   10336775 TROUT CREEK AT PIONEER TRAIL, NEAR SOUTH LAKE TAHOE, 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
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      8.5     3.5     6.0       9.5     5.0     7.5      13.0     7.5    10.0      15.0     9.5    12.0
   2      6.5     4.0     5.0      10.0     6.0     8.5      14.0     8.5    11.0      15.0     9.5    12.0
   3      6.5     3.5     5.0      10.0     5.5     8.0      14.5     9.0    11.5      13.5     9.0    11.0
   4      9.0     4.0     6.0      10.5     6.0     8.5      14.5     9.0    11.5      13.0    10.0    11.5
   5      7.0     3.5     5.5      10.0     6.5     8.5      15.0     9.5    12.0      15.0    10.5    12.0
 
   6      7.0     4.0     5.5       ---     ---     ---      15.0    10.0    12.5      13.5    10.5    12.0
   7      8.0     4.0     5.5       ---     ---     ---      15.5    10.5    12.5      14.5    10.0    12.0
   8      7.5     4.0     5.5       ---     ---     ---      14.0     8.0    11.0      13.0     9.5    11.0
   9      8.0     3.5     5.5       ---     ---     ---      14.0     8.5    11.0      12.0     9.5    11.0
  10      5.5     4.0     4.5      11.0     7.0     9.0      14.5     8.5    11.0      11.0     7.0     9.0
 
  11      5.5     4.0     4.5      10.5     6.5     9.0      14.5     9.0    11.5      12.0     7.0     9.0
  12      7.5     4.0     5.5      11.5     7.0     9.5      15.0    10.0    12.5      12.5     8.0    10.0
  13      8.5     4.0     6.0      11.5     7.5     9.5      14.0    10.0    12.0      13.0     8.0    10.5
  14      9.0     4.0     6.0      11.0     7.0     9.0      13.5    10.5    12.0      13.5     8.5    10.5
  15      8.5     4.0     6.0      11.5     6.5     9.0      15.0     9.5    12.0      12.5     9.0    10.5
 
  16      8.5     4.0     6.0      12.5     8.0    10.5      15.0     9.5    12.0      14.0     8.5    11.0
  17      8.5     3.0     5.5      13.5     9.0    11.0      14.5     9.0    11.5      13.5     9.0    11.0
  18      9.0     4.0     6.5      13.5     9.0    11.0      12.5     7.5    10.0      12.5     8.5    10.0
  19      9.0     4.5     6.5      13.5     9.0    11.0      13.5     8.5    10.5      11.0     6.5     8.5
  20      8.0     4.5     6.5      13.0     9.0    11.0      13.0     8.0    10.0      10.0     6.5     8.0
 
  21      8.0     4.5     6.0      13.5     9.5    11.5      12.5     7.0     9.5      10.0     6.0     8.0
  22      9.0     4.0     6.5      12.0    11.0    11.5      12.5     6.5     9.5       9.0     5.5     7.5
  23      8.0     3.5     6.0      11.5    10.0    11.0      13.0     7.0    10.0       9.0     6.5     7.5
  24      9.0     4.0     6.5      11.0     9.5    10.5      13.0     7.5    10.0      10.0     6.5     8.0
  25      8.5     5.5     7.0      13.5     9.0    11.0      13.5     7.5    10.0       8.5     6.0     7.0
 
  26      9.0     4.0     6.5      12.0     9.0    10.5      13.0     7.5    10.0       8.5     6.5     7.0
  27      9.5     4.5     7.0      12.5     8.5    10.5      13.5     8.0    10.5       7.5     5.5     6.0
  28     10.0     5.0     7.5      13.5     9.0    11.0      14.5     8.5    11.0       8.0     4.5     6.0
  29     10.0     5.0     7.5      14.0     9.0    11.5      15.5     9.5    12.0       8.5     5.5     7.0
  30     10.0     5.0     7.5      12.5     8.5    10.5      16.0    10.0    12.5       9.5     6.5     7.5
  31      ---     ---     ---      12.0     7.5     9.5      15.0    10.0    12.0       ---     ---     ---
 
 MONTH   10.0     3.0     6.0       ---     ---     ---      16.0     6.5    11.1      15.0     4.5     9.5

   
   


1998 California Hydrologic Data Report Index
USGS Water Resources of California

Contact: webmaster@maildcascr.wr.usgs.gov
Last modified: Wed Aug 4 09:40:26 PDT 1999