1998 California Hydrologic Data Report
103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, CA - 1998 WY


                        103366092  UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, CA

LOCATION.-Lat 38°50'55", long 120°01'34", in NE 1/4 NE 1/4 sec.31, T.12 N., R.18 E., El Dorado County, Hydrologic Unit 16050101, on left bank, 500 ft downstream of U.S. Highway 50 bridge, 1 mi southwest of Meyers, and 7.5 mi upstream of Lake Tahoe.
DRAINAGE AREA.-34.3 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.-June 1990 to current year.
GAGE.-Water-stage recorder. Elevation of gage is 6,310 ft above sea level, from topographic map. June 1990 to Sept. 5, 1997, at present site, datum 3.00 ft higher.
REMARKS.-Records fair except for estimated daily discharges, 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, 5,120 ft3/s, Jan. 2, 1997, gage height, 8.95 ft; minimum daily, 1.2 ft3/s, Dec. 22, 1990.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 200 ft3/s and maximum (*):
  Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)		Date	Time	Discharge
  (ft3/s)	Gage height
  (ft)
  Mar. 24		0645		512		6.90		June 14		2200		*853		*7.68
  Apr. 30		2130		378		6.48					

                  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       9.3      7.5     12        8.3       31       26       80      322     e320     e355       72       17
   2       9.8      7.4     10       10         40       26       74      322     e400     e360       69       16
   3      10        6.6      9.7     12         70       27       71      297     e370      371       68       16
   4       9.9      6.1      9.8     13         53       25       68      285     e340      378       64       18
   5       9.3      6.0      9.8     15         45       25       65      274     e380      384       58       19
 
   6       8.2      7.2     11       15         43       27       64      252     e440      395       56       26
   7       6.8      7.9     16      e15         42       26       62      220     e700      381       53       24
   8       6.9      7.0     20       16        e46       25       60      240     e550      383       48       20
   9       9.5      6.4     18       14         40       24       60      266      408      379       43       34
  10      11        6.3     15       15         37       24       59      234      490      360       38       26
 
  11       9.7      6.2     14      e15         37       26       59      207      504      308       35       21
  12      15        5.7     13      e15         35       28       57      192      497      281       34       20
  13      16        5.9     12      e15         36       28       57      178      630      261       33       19
  14      16        6.5     12      e15         38       30       55     e168      660      238       33       18
  15      16        6.1     12       73         37       33       52     e155      662      223       34       17
 
  16      14        5.9     12       84         33       39       51     e170      678      212       36       16
  17       8.7      6.2     12      102         32       43       52     e160      607      215       33       15
  18       7.9      5.9     10       84         29       47       57     e150      601      216       30       15
  19       7.4     10        9.0     77         30       51       71     e160      643      204       29       15
  20       7.0      9.3      9.5     60        e31       62       97     e180      620      195       27       14
 
  21       7.0      7.6      8.8     48        e31       72      148     e190      632      187       24       14
  22       6.3      7.1      9.0     41        e30      138      197     e170      600      189       23       14
  23       6.0      8.3      8.9     37        e30      247      218     e190      535      176       22       14
  24       6.0      7.5      8.5     34        e29      429      180     e190      443      178       21       15
  25       6.0      9.0      8.3     31         26      280      159     e290      455      157       20       15
  26       5.9     20        7.7     29         26      192      156     e210     e420      122       20       16
  27       7.7     19        7.4     28         27      155      174     e190     e360      110       19       20
  28       7.9     16        6.8     28         26      128      208     e180     e320       95       19       19
  29       8.0     14        6.8     32        ---      106      248     e200     e350       91       18       20
  30       8.6     13        6.7     31        ---       92      300     e180     e355       86       18       20
  31       8.1      ---      7.0     30        ---       86      ---     e230      ---       77       17      ---
 
 TOTAL   285.9    257.6    332.7   1042.3     1010     2567     3259     6652    14970     7567     1114      553
 MEAN     9.22     8.59     10.7     33.6     36.1     82.8      109      215      499      244     35.9     18.4
 MAX        16       20       20      102       70      429      300      322      700      395       72       34
 MIN       5.9      5.7      6.7      8.3       26       24       51      150      320       77       17       14
 AC-FT     567      511      660     2070     2000     5090     6460    13190    29690    15010     2210     1100
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1998, BY WATER YEAR (WY)                                 
 
 MEAN     8.62     17.7     23.2     62.4     43.3     73.4      123      289      262      108     21.2     12.7
 MAX      22.6     78.5     96.4      328      125      132      206      569      709      452     78.6     37.5
 (WY)     1996     1997     1997     1997     1996     1995     1997     1993     1995     1995     1995     1995
 MIN      3.39     3.33     3.15     4.37     6.69     28.2     47.2     85.0     20.4     4.81     2.28     2.50
 (WY)     1995     1991     1991     1991     1991     1994     1991     1992     1992     1994     1994     1994
 
 SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1990 - 1998
 
 ANNUAL TOTAL                       42051.9                    39610.5                                           
 ANNUAL MEAN                          115                        109                         90.3                
 HIGHEST ANNUAL MEAN                                                                        169              1995
 LOWEST ANNUAL MEAN                                                                          26.1            1994
   HIGHEST DAILY MEAN                  2000     Jan  2             700     Jun  7            2000       Jan  2 1997
   LOWEST DAILY MEAN                      5.7   Nov 12               5.7   Nov 12               1.2     Dec 22 1990
   ANNUAL SEVEN-DAY MINIMUM               6.0   Nov 12               6.0   Nov 12               1.8     Dec 20 1990
   INSTANTANEOUS PEAK FLOW                                         853     Jun 14            5120       Jan  2 1997
   INSTANTANEOUS PEAK STAGE                                          7.68  Jun 14               8.95    Jan  2 1997
 ANNUAL RUNOFF (AC-FT)              83410                      78570                      65430                  
 10 PERCENT EXCEEDS                   331                        355                        255                  
 50 PERCENT EXCEEDS                    46                         32                         24                  
 90 PERCENT EXCEEDS                     7.7                        7.7                        4.4                
 
   e  Estimated.

   
   
103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, CA-Continued - 1998 WY


                    103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, 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.  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.-
  WATER TEMPERATURE: Maximum, 17.5C, Aug. 7, 30, 31, 1998; minimum, freezing point on many days from December 1997 to March 1998.
EXTREMES FOR CURRENT YEAR.-
  WATER TEMPERATURE: Maximum, 17.5C, Aug. 7, 30, 31; minimum, freezing point, many days from December to March.

                         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     
  07...       1130      6.5    90         --      6.5      8.5       --       --       --  
  21...       1255      8.8    82         --     16.0      6.5       --       --       --  
NOV     
  13...       1240      5.5      --       --      5.0      4.0       --       --       --  
  25...       1310      7.1    74         --      6.0      3.5       --       --       --  
DEC     
  15...       1445      6.5    61        7.0       .5       .5      604     11.2       98  
JAN     
  09...       1319     16      56         --      5.0       --       --       --       --  
  16...       1430     81      43         --      3.5      1.5       --       --       --  
  22...       1305     36      46         --      3.0      1.5       --       --       --  
FEB     
  03...       1100     77        --       --      2.0       --       --       --       --  
  25...       1310     10      65         --      2.0      1.5       --       --       --  
MAR     
  10...       1018     23      76         --      4.0      2.0       --       --       --  
  19...       1435     30      69         --     12.0      4.5       --       --       --  
  25...       1450    120      41         --      5.5      2.5       --       --       --  
APR     
  21...       1650    124      54         --     12.5      6.5       --       --       --  
  27...       1010    160      75         --      8.0      4.0       --       --       --  
  30...       1510    277      38         --     17.0      5.0       --       --       --  
MAY     
  05...       1640    269      35        7.8      2.0      3.5      598     10.2       98  
  20...       1245    173      40         --     10.0      5.0       --       --       --  
  28...       1230    179      38         --     10.5      5.5       --       --       --  
JUN     
  03...       1455    344      26         --      9.0      5.5       --       --       --  
  08...       1130    550      25         --     11.5      4.0       --       --       --  
  11...       1555    535      21         --      7.5      4.5       --       --       --  
  17...       1320    702      19         --     18.0      6.0       --       --       --  
  23...       1700    697      20         --     19.0      9.0       --       --       --  
  30...       1730    350      22         --     19.0     11.0       --       --       --  
JUL     
  15...       1140    220      25         --     23.5     10.0       --       --       --  
  21...       0933    180      28         --     20.0     12.0       --       --       --  
  29...       1220    102      35         --     22.0     12.5       --       --       --  
AUG     
  13...       1340     40      49         --     29.5     16.5       --       --       --  
SEP     
  29...       1245     22      63        7.7     16.0      9.5      600      9.4      105  
   103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, 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     
  07...        --       --       --       --       --       --       --       --  
  21...       .005     .001      .08     .015     .003     166       1        .02 
NOV     
  13...        --       --       --       --       --       --       --       --  
  25...       .003    <.001      .08     .012     .002     132      <1        --  
DEC     
  15...       .015     .004      .05     .017     .003     122       1        .02 
JAN     
  09...        --       --       --       --       --       --       --       --  
  16...       .028     .002      .16     .021     .004     202       4        .88 
  22...       .018    <.001      .09     .009     .003     217       1        .10 
FEB     
  03...        --       --       --       --       --       --       --       --  
  25...       .028    <.001      .06     .015     .003     163      <1        --  
MAR     
  10...        --       --       --       --       --       --       --       --  
  19...       .019    <.001      .05     .015     .003     133       1        .08 
  25...       .010     .001      .19     .020     .002     217      11       3.6  
APR     
  21...       .014     .002      .08     .019     .003     213       8       2.7  
  27...        --       --       --       --       --       --       --       --  
  30...       .015     .004      .13     .012     .003     239      11       8.2  
MAY     
  05...       .017     .003      .08     .015     .003     170       8       5.8  
  20...       .014     .002      .09     .020     .003     163       4       1.9  
  28...       .011    <.001      .07     .021     .003     132       3       1.4  
JUN     
  03...       .014     .006      .08     .017     .003     193      14      13    
  08...        --       --       --       --       --       --       --       --  
  11...       .011     .002      .07     .018     .004     136      44      64    
  17...       .006     .001      .11     .032     .004     435      82     155    
  23...       .003    <.001      .08     .027     .004     133      14      26    
  30...       .007    <.001      .09     .051     .003     247      14      13    
JUL     
  15...       .009     .001      .11     .023     .004     154       6       3.6  
  21...        --       --       --       --       --       --       --       --  
  29...       .011     .002      .06     .032     .006     172       3        .83 
AUG     
  13...       .043     .012      .08     .037     .007     152       4        .43 
SEP     
  29...       .006     .001      .14     .014     .005     160       1        .06 
    103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, 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     14.0    10.0    11.5       7.5     4.5     6.0       2.5     1.5     2.0       1.0      .5      .5
   2     13.0    10.0    11.5       7.0     4.0     5.5       2.0      .5     1.0        .5      .0      .5
   3     12.5     8.0    10.0       6.5     4.0     5.0       1.5      .5     1.0        .5      .0      .5
   4     12.0     8.0     9.5       7.0     4.0     5.0       2.0      .5     1.5        .0      .0      .0
   5     12.0     8.0     9.5       6.5     3.5     5.0       1.5      .5     1.0        .0      .0      .0
 
   6     10.5     8.0     9.0       7.0     4.0     5.0       2.0     1.5     1.5        .5      .0      .0
   7      9.0     7.0     7.5       7.0     5.0     6.0       2.0      .0     1.0        .5      .0      .0
   8      8.0     5.5     6.5       5.0     2.5     4.0        .5      .0      .5        .5      .0      .5
   9      8.0     6.0     7.0       4.5     2.0     3.5        .5      .0      .5        .5      .5      .5
  10      8.0     5.5     6.5       5.0     3.5     4.0        .5      .0      .0       1.0      .0      .5
 
  11      7.0     5.0     6.0       5.5     3.5     4.5        .5      .0      .0        .5      .0      .0
  12      7.0     4.0     5.5       4.5     2.0     3.5        .5      .0      .5        .5      .0      .0
  13      8.0     4.5     6.0       3.5     2.0     3.0        .5      .0      .5       1.0      .0      .5
  14      8.5     5.0     6.5       3.5     2.0     2.5       1.0      .0      .5       1.0      .5      .5
  15      9.0     5.5     7.0       2.5     1.5     2.0        .5      .0      .5       1.0      .5      .5
 
  16      9.0     5.5     7.5       3.5     1.0     2.0       1.0      .5      .5       1.5     1.0     1.5
  17      9.0     5.0     7.0       4.5     2.5     3.0       1.5      .5     1.0       2.0     1.0     1.5
  18      8.5     5.0     7.0       3.0     1.5     2.5       1.5      .5      .5       2.0      .0     1.0
  19      8.5     5.0     6.5       4.5     2.5     3.5        .5      .0      .5        .5      .0      .5
  20      8.0     4.5     6.0       4.5     2.5     3.5        .5      .0      .5       1.0      .5      .5
 
  21      8.0     4.5     6.0       4.5     2.5     3.5        .5      .0      .0       1.0      .0      .5
  22      8.0     4.5     6.0       5.0     2.5     4.0        .5      .0      .0       2.0      .5     1.0
  23      8.5     5.5     7.0       5.0     3.5     4.5        .5      .0      .0       2.0      .5     1.0
  24      7.0     4.5     5.5       5.0     3.0     4.0        .5      .0      .0       2.0      .5     1.0
  25      6.0     3.0     4.5       4.0     2.5     3.0        .5      .0      .0       1.5      .0     1.0
 
  26      6.0     2.5     4.0       4.0     1.0     2.0        .5      .0      .0       2.0      .5     1.0
  27      6.0     3.0     4.5       3.0     1.5     2.0        .5      .0      .0       3.0     1.5     2.0
  28      5.0     2.5     4.0       3.0     1.0     2.0        .5      .0      .5       2.5      .5     2.0
  29      6.5     3.5     4.5       2.5     1.0     2.0        .5      .0      .5       2.0      .0      .5
  30      7.0     4.0     5.5       3.0     2.0     2.5       1.0      .0      .5       1.0      .0      .5
  31      7.5     4.5     6.0       ---     ---     ---       1.0      .5      .5       1.5      .0      .5
 
 MONTH   14.0     2.5     6.8       7.5     1.0     3.6       2.5      .0      .5       3.0      .0      .7
 
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1       .5      .0      .5       3.5      .5     2.0       3.0     1.0     2.0       5.5     1.5     3.0
   2      1.0      .0      .5       3.5     1.0     2.5       5.0     1.5     3.0       4.0     2.0     3.0
   3      1.5     1.0     1.0       3.5     2.0     2.5       4.0     2.0     2.5       4.5     2.0     3.0
   4      2.0      .5     1.0       3.0      .5     1.5       4.0     1.5     2.5       4.5     2.0     3.0
   5      1.5      .5     1.0       1.5      .0     1.0       3.5     1.5     2.5       4.5     2.0     2.5
 
   6      1.5      .0     1.0       1.0      .0      .5       3.0     1.0     2.0       2.5     1.5     2.0
   7      1.0      .0      .5       1.5      .0      .5       4.5     1.0     2.5       4.5     2.0     3.0
   8       .5      .0      .0       3.5     1.0     2.0       5.0     1.0     2.5       5.5     2.5     3.5
   9      1.0      .0      .5       3.5      .5     2.0       5.5     2.0     3.5       5.5     2.0     3.5
  10      1.0      .0      .5       4.0      .5     2.5       4.0     2.0     3.0       5.0     1.5     3.0
 
  11      2.0      .0     1.0       5.0     2.0     3.0       3.0     2.0     2.5       4.5     1.5     3.0
  12      1.5      .5     1.0       3.5     1.5     2.5       3.0     1.0     2.0       4.0     1.5     2.5
  13      2.5     1.0     2.0       3.0     2.0     2.5       1.5      .5     1.0       4.5     1.5     2.5
  14      2.0      .0      .5       5.0     1.5     3.0       5.0      .5     2.0       5.5     2.0     3.5
  15      1.5      .0      .5       5.0     2.0     3.5       4.0      .5     2.0       7.0     2.0     4.0
 
  16       .5      .0      .0       5.0     2.0     3.5       5.5      .5     3.0       4.0     1.5     2.0
  17      2.0      .0     1.0       5.0     1.0     3.0       6.5     1.0     3.5       6.5     1.0     3.5
  18      2.0      .0     1.0       5.0     1.5     3.0       6.5     1.5     4.0       7.5     1.5     4.0
  19      1.5      .0     1.0       5.0     1.0     3.0       7.0     2.0     4.5       7.0     2.0     4.5
  20      1.5      .0      .5       5.0     1.5     3.0       7.0     2.0     4.0       6.5     2.0     4.0
 
  21      1.0      .0      .5       4.0     1.5     2.5       6.5     1.5     3.5       4.5     2.0     3.0
  22       .5      .0      .0       2.5     1.5     2.0       5.0     1.5     3.0       7.0     2.0     4.0
  23       .5      .0      .5       2.5     1.0     1.5       3.0     1.5     2.0       5.0     2.0     3.5
  24       .5      .0      .0       1.5      .0     1.0       4.0     1.5     2.5       7.5     2.0     4.5
  25      1.5      .0      .5       2.0      .5     1.5       5.0     1.5     3.0       4.0     2.0     3.0
 
  26      2.0      .0     1.0       3.5     1.5     2.0       6.0     1.5     3.0       2.5     1.5     2.0
  27      3.0     1.0     2.0       2.5      .5     1.5       6.0     1.5     3.5       5.0     1.5     3.0
  28      3.0     1.0     2.0       2.0      .5     1.0       6.0     1.5     3.5       6.5     2.0     4.0
  29      ---     ---     ---       2.0      .5     1.0       6.0     1.5     3.5       5.0     1.0     3.0
  30      ---     ---     ---       4.0      .0     2.0       6.0     1.5     3.0       7.5     1.5     4.0
  31      ---     ---     ---       3.0     1.5     2.0       ---     ---     ---       7.5     2.0     4.5
 
 MONTH    3.0      .0      .8       5.0      .0     2.1       7.0      .5     2.8       7.5     1.0     3.3
 
   103366092 UPPER TRUCKEE RIVER AT HIGHWAY 50, ABOVE MEYERS, 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      7.5     2.5     4.5      11.0     5.0     8.0      15.0    10.0    12.5      17.0    11.5    14.0
   2      4.5     2.5     3.5      11.5     6.5     9.0      16.0    11.0    13.0      17.0    11.5    14.0
   3      5.5     2.5     3.5      11.5     6.0     8.5      16.5    11.0    14.0      15.0    11.5    13.5
   4      6.0     2.5     4.0      12.0     7.0     9.5      16.5    11.5    14.0      14.5    12.0    13.5
   5      6.0     2.0     4.0      12.5     7.5    10.0      17.0    12.0    14.5      16.5    12.5    14.0
 
   6      5.5     2.5     4.0      12.0     8.5    10.5      17.0    12.5    14.5      15.0    12.5    13.5
   7      6.0     2.5     4.0      13.0     8.5    10.5      17.5    12.5    14.5      16.5    11.5    14.0
   8      5.5     2.5     4.0      13.5     8.5    11.0      16.0    10.5    13.0      14.5    11.5    13.0
   9      6.5     2.5     4.5      13.5     9.5    11.5      16.0    11.0    13.5      13.0    11.0    12.5
  10      4.0     3.0     3.5      13.0     9.0    11.0      16.0    11.0    13.5      13.0     8.5    11.0
 
  11      4.5     3.0     3.5      13.0     8.5    11.0      16.5    11.0    14.0      12.0     9.0    10.5
  12      6.0     3.0     4.0      14.0     9.0    11.5      17.0    11.5    14.5      14.5     9.0    11.5
  13      7.0     3.0     4.5      13.5     9.5    11.5      17.0    12.0    14.5      14.5     9.5    12.0
  14      7.5     3.0     5.0      13.5     8.5    11.5      16.0    12.5    14.0      15.0    10.0    12.5
  15      7.0     3.0     5.0      13.5     9.0    11.5      16.5    11.0    13.5      15.0    11.0    13.0
 
  16      7.0     3.5     5.0      14.5    10.5    12.5      16.5    11.0    14.0      14.0    10.5    12.5
  17      7.5     2.5     5.0      15.0    10.5    13.0      16.0    11.0    13.5      15.0    11.0    12.5
  18      8.0     3.5     5.5      15.0    10.5    13.0      15.0    10.0    12.5      14.0    10.0    12.0
  19      8.0     3.5     5.5      15.5    11.0    13.5      15.5    10.5    12.5      13.0     8.5    11.0
  20      8.0     3.5     5.5      15.5    11.5    13.5      15.0     9.5    12.5      13.0     9.0    11.0
 
  21      8.5     4.0     6.0      16.0    11.5    14.0      15.0     9.0    12.0      12.0     8.5    10.0
  22      8.5     4.0     6.0      15.0    13.0    14.0      15.0     8.5    11.5      11.0     7.5     9.5
  23      8.5     3.5     6.0      15.0    13.0    13.5      15.0     9.5    12.0      11.0     8.5     9.5
  24      9.5     4.5     6.5      13.0    11.5    12.5      15.0     9.5    12.5      11.0     8.0     9.5
  25      9.5     5.0     6.5      15.0    11.0    12.5      15.0    10.0    12.5      11.0     7.5     9.0
 
  26      9.0     4.0     6.5      13.0    10.5    12.0      15.5    10.0    12.5       9.5     8.0     9.0
  27     10.5     4.5     7.0      13.5    10.5    12.0      15.5    10.0    13.0       9.0     7.0     8.0
  28     11.0     5.0     7.5      15.0    10.5    12.5      16.5    11.0    13.5       9.5     6.0     8.0
  29     11.0     5.5     7.5      15.0    11.0    13.0      17.0    11.5    14.0      10.5     7.5     9.0
  30     11.0     5.5     8.0      14.0    10.5    12.0      17.5    12.0    14.5      11.0     7.5     9.5
  31      ---     ---     ---      14.0     9.5    11.5      17.5    12.0    14.5       ---     ---     ---
 
 MONTH   11.0     2.0     5.2      16.0     5.0    11.7      17.5     8.5    13.4      17.0     6.0    11.4
 
 YEAR    17.5      .0     5.2

   
   


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