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 USGS Station 01309500
MASSAPEQUA CREEK AT MASSAPEQUA, NY

STREAMS ON LONG ISLAND

Latitude: 40^41'20"; Longitude: 73^27'19"
Hydrologic Unit Code: 02030202
Drainage area: About 38 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 01309500

                                           MEDIAN   
                     25             75     CUMU-    
                   QUAR            QUAR-   LATIVE   
PERIOD      AVG.    ILE   MEDIAN   TILE    RUNOFF   
           (cfs)   (cfs)   (cfs)   (cfs)   (inch)   
-------------------------------------------------
OCT.	    6.80    4.28    5.23    10.1    0.16
NOV.	    8.33    4.59    7.47    11.2    0.38
DEC.	    8.94    5.58    7.71    12.0    0.62
OCT-DEC	    8.02    4.88    6.93    11.4
CALYEAR	    9.60    5.72    8.35    12.2

JAN.	    10.1    5.70    8.33    10.9    0.86
FEB.	    10.8    6.16    9.91    13.5    1.08
MAR.	    12.4    7.72    10.6    16.3    1.36
JAN-MAR	    11.1    6.96    8.89    13.6
OCT-MAR	    9.56    6.64    7.59    12.9

APR.	    14.0    7.96    11.2    19.7    1.78
MAY	    12.3    6.83    10.3    16.5    2.23
JUNE	    10.1    5.22    7.91    13.9    2.51
APR-JUN	    12.1    6.64    10.9    17.3

JULY	    8.20    4.22    6.35    10.5    2.76
AUG.	    7.49    3.59    5.85    11.1    2.93
SEP.	    6.24    3.88    5.39    8.39    3.06
JUL-SEP	    7.31    4.00    6.24    9.56
APR-SEP	    9.72    5.53    8.32    12.6

WATYEAR	    9.64    6.22    8.55    12.5

Extreme High and Low Monthly and Daily Average Flows for Station 01309500

                    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.	18.60   56 17.10   59 16.70   39 164.    73 1.95    87 2.20    88 2.37    66 1.30    87 
NOV.	24.60   56 18.70   73 17.90   78 122.    78 2.01    66 2.07    88 3.89    67 1.      88 
DEC.	18.80   73 18.40   78 16.90   39 63.     76 2.12    66 3.02    88 3.61    89 1.50    88 
JAN.	33.20   79 27.80   78 23.10   49 191.    79 2.71    66 3.36    89 3.66    86 1.90    66 
FEB.	25.70   73 23.90   39 23.10   49 80.     71 3.72    89 4.26    67 4.85    86 1.90    66 
MAR.	28.60   39 28.20   79 26.70   53 97.     62 3.85    66 5.08    88 5.22    86 2.60    88 
APR.	33.50   53 32.     39 30.80   80 117.    80 2.91    66 4.03    88 4.87    86 2.20    66 
MAY	32.50   79 26.30   58 26.     53 87.     89 2.92    86 4.62    87 5.01    81 1.90    86 
JUNE	28.80   52 27.50   84 24.70   75 110.    75 1.95    86 3.04    88 3.20    87 1.60    86 
JULY	25.70   84 21.10   48 20.10   61 155.    80 1.90    66 2.30    86 3.29    65 1.30    86 
AUG.	23.     55 20.30   61 16.50   48 160.    90 1.73    66 1.97    88 2.07    87 1.20    88 
SEP.	25.     60 18.30   38 15.60   61 70.     68 1.47    86 2.38    65 2.66    88 1.10    86
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