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 USGS Station 08167500
GUADALUPE RIVER NEAR SPRING BRANCH, TX

GUADALUPE RIVER MAIN STEM

Latitude: 29^51'37"; Longitude: 98^23'00"
Hydrologic Unit Code: 12100201
Drainage area: 1,315 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 08167500

                                           MEDIAN   
                     25             75     CUMU-    
                   QUAR            QUAR-   LATIVE   
PERIOD      AVG.    ILE   MEDIAN   TILE    RUNOFF   
           (cfs)   (cfs)   (cfs)   (cfs)   (inch)   
-------------------------------------------------
OCT.	     472     130     222     713    0.19
NOV.	     297     115     195     436    0.36
DEC.	     318     113     196     437    0.52
OCT-DEC	     362     123     201     621
CALYEAR	     412     162     352     632

JAN.	     353     110     186     406    0.69
FEB.	     383     142     221     488    0.91
MAR.	     361     133     217     654    1.17
JAN-MAR	     365     132     235     448
OCT-MAR	     364     120     226     578

APR.	     413     138     238     509    1.52
MAY	     557     153     363     833    1.90
JUNE	     698     145     369     602    2.26
APR-JUN	     556     144     388     741

JULY	     393    44.9     168     493    3.11
AUG.	     438    79.6     140     386    3.69
SEP.	     282     113     195     442    3.78
JUL-SEP	     371     116     249     451
APR-SEP	     463     180     394     556

WATYEAR	     414     155     366     555

Extreme High and Low Monthly and Daily Average Flows for Station 08167500

                    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.	1584.   82 1508.   74 1397.   60 27600.  86 5.91    52 6.77    57 14.20   56 0.00    57 
NOV.	939.    75 851.    87 758.    47 6680.   75 11.10   57 13.60   56 19.60   55 0.00    57 
DEC.	1708.   87 829.    24 798.    61 6530.   87 6.48    57 19.20   55 23.30   56 0.00    57 
JAN.	1683.   68 1241.   85 1151.   87 17000.  85 10.90   57 24.50   56 32.10   52 7.90    57 
FEB.	1869.   75 1470.   61 1274.   41 7340.   41 29.30   56 31.30   52 35.10   57 12.     57 
MAR.	1448.   79 1076.   58 1039.   41 6380.   79 16.80   56 29.     55 36.60   54 10.     56 
APR.	2417.   77 1504.   41 1486.   79 29900.  77 6.11    56 16.10