POQUONOCK RIVER BASIN

                                            01119040 POQUONOCK RIVER NEAR GROTON, CT

LOCATION.--Lat 4119'00", long 7203'43", New London County, Hydrologic Unit 01100003, at pier on east side of Avery Point,
   University of Connecticut, 2 mi south of Groton, at mouth of Poquonock River in Long Island Sound.

PERIOD OF RECORD.--January 1973 to current year.

GAGE.--Water-stage recorder. Datum of staff gage is 10.00 ft below sea level. Telephone telemetry at station. Prior to Apr. 30,
   1982, at datum 7.98 ft higher; prior to May 4, 1986, at datum 7.20 ft higher.

REMARKS.--Stage data in feet at 5-minute intervals available upon request.

EXTREMES FOR PERIOD OF RECORD.-- Maximum tidal elevation, 6.63 ft, Feb. 6, 1978; minimum, -5.02 ft, Feb. 2, 1976.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum tidal elevation, 9.7 ft, Sept. 21, 1938 at site 2.7 mi upstream on Thames River at
   New London Pier and at same datum, gage operated by National Ocean Survey.

EXTREMES FOR CURRENT YEAR.--Maximum tidal elevation recorded, 3.93 ft, Oct. 23; minimum, -3.01 ft, Jan. 22.

TIDE ELEVATIONS, IN FEET, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
________________________________________________________________________________________________________________

                            OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY   JUNE   JULY    AUG   SEPT
________________________________________________________________________________________________________________

Maximum      Elevation     3.93   3.44   3.52   3.91   3.05   3.39   3.83   3.35   3.67   3.58   3.23   3.92
high tide

             Date            23      3      2     25     20     12     21      6      7     31      1     26

             Time          0650   0510   0505   1215   0915   0135   2250   2300   0025   2115   2215   0755


Minimum      Elevation    -1.08  -1.49  -1.84  -3.01  -1.82  -1.16  -1.61  -1.21  -1.22  -0.91  -0.79  -0.66
low tide

             Date            14     23     11     22      6     13      9      5      4      2     28     28
                                                                                                            
             Time          1850   1525   1750   1620   1615   0915   1840   0420   0445   0335   0215   1555
                                                                                                            
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NOTE.-- Time shown is Eastern standard.


Gage house (inside former Coast Guard Officer's Club), station 01119040 
Poquonock River at Groton, November 5, 1985.