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 USGS Station 02118000
SOUTH YADKIN RIVER NEAR MOCKSVILLE, NC

PEE DEE RIVER BASIN

Latitude: 35^50'41"; Longitude: 80^39'34"
Hydrologic Unit Code: 03040102
Drainage area: 306 square miles.
Additional information is available about this station.
Use these links to retrieve Streamflow Hydrograph, or tab-separated ASCII file of monthly data.

Summary of Monthly Flows (1961-90)for Station 02118000

                                           MEDIAN   
                     25             75     CUMU-    
                   QUAR            QUAR-   LATIVE   
PERIOD      AVG.    ILE   MEDIAN   TILE    RUNOFF   
           (cfs)   (cfs)   (cfs)   (cfs)   (inch)   
-------------------------------------------------
OCT.	     274     150     181     286    0.68
NOV.	     261     184     233     303    1.49
DEC.	     365     216     324     476    2.85
OCT-DEC	     300     198     255     381
CALYEAR	     352     243     319     407

JAN.	     418     257     387     519    4.20
FEB.	     513     306     483     658    6.01
MAR.	     570     306     500     771    8.12
JAN-MAR	     500     327     479     617
OCT-MAR	     400     290     365     493

APR.	     458     278     400     630    10.2
MAY	     396     232     343     515    11.3
JUNE	     327     221     302     432    12.4
APR-JUN	     393     286     374     517

JULY	     230     145     222     310    13.4
AUG.	     222     153     200     252    14.1
SEP.	     224     133     177     260    15.4
JUL-SEP	     225     156     215     274
APR-SEP	     309     227     313     369

WATYEAR	     354     258     347     459

Extreme High and Low Monthly and Daily Average Flows for Station 02118000

                    SECOND     THIRD                             SECOND     THIRD                
        MON.  HI.  MON.  HI.  MON.  HI.  DAILY  HI.  MON.  LO.  MON.  LO.  MON.  LO.  DAILY  LO. 
       ----------- ---------- ---------- ---------- ---------- ---------- ---------- ----------  
        FLOW  YR.  FLOW  YR.  FLOW  YR.  FLOW   YR.  FLOW  YR.  FLOW  YR.  FLOW  YR.  FLOW   YR. 
PERIOD  (cfs)      (cfs)      (cfs)      (cfs)       (cfs)      (cfs)      (cfs)      (cfs)      
------ ----------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
OCT.	1246.   65 835.    60 770.    72 8680.   65 70.40   55 80.50   42 89.     87 35.     55 
NOV.	791.    58 748.    78 563.    48 5970.   78 100.    56 108.    42 114.    54 83.     56 
DEC.	738.    62 733.    73 705.    84 3480.   43 102.    56 156.    42 163.    66 92.     56 
JAN.	1088.   78 883.    54 801.    46 7090.   54 97.70   56 165.    81 169.    42 85.     56 
FEB.	1458.   60 1062.   90 960.    79 6390.   79 181.    41 193.    86 223.    47 103.    56 
MAR.	1485.   75 1160.   87 1112.   52 9750.   87 220.    88 220.    55 225.    41 147.    41 
APR.	1110.   58 949.    73 922.    60 5360.   58 159.    86 184.    85 192.    67 123.    86 
MAY	885.    84 778.    72 756.    50 4730.   84 127.    86 146.    41 168.    88 100.    41 
JUNE	774.    72 563.    75 539.    76 8300.   72 75.     86 101.    88 106.    56 43.     86 
JULY	628.    41 601.    43 543.    49 3460.   41 47.30   86 95.     56 99.40   77 22.     86 
AUG.	706.    70 550.    40 538.    49 6960.   70 61.20   56 91.10   54 100.    53 26.     86 
SEP.	880.    79 878.    45 591.    57 8960.   79 45.70   54 72.     55 94.20   68 37.     56
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