Beaver Kill at Cooks Falls, Delaware County NY (CKFN6)
Gage Location: Delaware County, New York	Site Location: Delaware County, New York
Latitude: 41.946	Longitude: -74.98	Elevation: 1151.7 ft. MSL	Drainage Area: 241 Sq. Mi.
Minor Stage: 10 ft.	Moderate Stage: 16 ft.	Major Stage: 18 ft.
First Flood: 1914-03-28	Last Flood: 2013-03-12 Crest: 10.18 ft.	Datum change: 1933-10-01	Number of Floods: 129

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1914-03-28 10.9 7770 Minor C1 G1 1917-03-27 11 7870 Minor C1 G1 1917-10-30 12.4 9700 Minor C1 G1 1921-11-28 11 7740 Minor C1 G1 1923-04-06 10.8 7480 Minor C1 G1 1924-09-30 15 13400 Minor C1 C3 F1 G1 1924-10-01 13 10400 Minor C1 G1 1926-11-16 -9999 14600 Missing C1 G1 1927-12-08 11.2 7560 Minor C1 G1 1929-03-15 10.2 6340 Minor C1 G1 1933-08-24 17.8 19000 Moderate C1 C3 F1 G1 1934-12-01 11.99 11000 Minor none 1935-10-31 10.1 8410 Minor none 1936-03-11 12.72 14500 Minor none 1936-03-18 15.02 21300 Minor none 1937-02-22 13.02 15300 Minor none 1937-10-23 13.32 16100 Minor none 1938-07-22 13.46 16500 Minor none 1938-08-11 14.51 19600 Minor none 1938-09-21 13.67 17100 Minor none 1938-12-06 10.42 9040 Minor none 1940-03-31 11.55 11500 Minor none 1940-04-09 11.26 10800 Minor none 1941-12-24 11.18 10700 Minor none 1942-09-27 14.71 20300 Minor none 1942-12-30 10.95 10200 Minor none 1943-03-17 11.66 -9999 Minor none 1943-11-09 11.31 10900 Minor none 1946-03-09 10.14 9650 Minor none 1948-03-22 11.73 15100 Minor none 1948-12-30 12.14 16300 Minor none 1949-01-06 10.32 10900 Minor none 1950-11-26 15.52 29400 Minor none 1950-12-04 10.45 11200 Minor none 1951-03-31 16.02 31600 Moderate none 1951-11-07 10.5 11400 Minor none 1952-04-05 10.56 11600 Minor none 1952-07-10 10.38 11000 Minor none 1952-12-11 12.54 17700 Minor none 1955-08-19 11.44 14300 Minor none 1955-10-16 10.73 12300 Minor none 1957-12-21 15.42 28900 Minor none 1959-04-02 10.21 10900 Minor none 1959-11-28 11.39 14200 Minor none 1960-04-04 10.66 12100 Minor none 1961-04-25 10.24 11000 Minor none 1962-04-01 10.52 11700 Minor none 1968-03-17 13.65 -9999 Minor none 1969-07-28 15.11 27500 Minor none 1970-10-23 11.82 15500 Minor none 1972-11-09 10.09 9680 Minor none 1973-06-29 11.67 14100 Minor none 1973-12-21 13.06 18700 Minor none 1974-12-08 12.68 17200 Minor none 1976-01-27 11.93 14900 Minor none 1976-10-09 10.86 11700 Minor none 1977-03-14 15.2 28400 Minor none 1977-10-02 10.09 9760 Minor none 1978-01-09 13.52 20300 Minor none 1979-01-02 10.5 10800 Minor none 1979-03-06 10.32 10300 Minor none 1979-09-06 10.04 9640 Minor none 1979-11-26 12.27 15900 Minor none 1980-03-21 14.3 23800 Minor none 1981-02-11 10.75 11400 Minor none 1981-02-20 12.44 16400 Minor none 1981-05-12 11.72 14200 Minor none 1982-04-03 10.71 11300 Minor none 1982-04-18 10.99 12100 Minor none 1983-04-16 11.67 14400 Minor none 1984-02-15 10.25 10400 Minor none 1984-04-05 11.95 15300 Minor none 1984-05-29 11.81 14900 Minor none 1985-09-27 10.16 10100 Minor none 1986-03-15 13.19 19800 Minor none 1987-04-04 14.2 23900 Minor none 1988-03-26 10.6 11300 Minor none 1989-05-06 10.74 11700 Minor none 1989-10-20 11.29 13300 Minor none 1990-11-10 13.15 19600 Minor none 1991-11-23 10.3 10500 Minor none 1993-04-11 10.81 11900 Minor none 1993-11-28 11.22 13100 Minor none 1994-04-07 10.07 9910 Minor none 1994-04-13 11.5 13900 Minor none 1995-10-21 11.75 14700 Minor none 1996-01-19 17.79 42900 Moderate C3 1996-01-27 11.33 13200 Minor none 1996-11-09 14.79 26600 Minor none 1996-12-02 14.67 26000 Minor none 1998-01-08 10.88 11900 Minor none 1998-03-10 10.64 11200 Minor none 1999-01-24 12.33 16600 Minor none 1999-09-17 11.5 13900 Minor none 2000-12-17 16.34 34400 Moderate none 2003-09-04 11.33 13200 Minor none 2003-10-27 11.87 14970 Minor none 2003-10-29 11.59 14050 Minor none 2003-11-20 10.01 9550 Minor none 2003-12-11 10.01 9950 Minor none 2003-12-24 10.93 12035 Minor none 2004-08-13 10.01 9550 Minor none 2004-09-18 17.67 42100 Moderate none 2005-01-14 11.72 14500 Minor none 2005-03-29 10.42 10600 Minor none 2005-04-03 18.98 50800 Major none 2005-10-08 10.03 9600 Minor none 2005-11-30 10.34 10400 Minor none 2006-01-18 12.41 16800 Minor none 2006-06-26 12.05 15600 Minor none 2006-06-28 20.55 62400 Major none 2007-04-16 11.46 13900 Minor none 2008-03-05 10.55 10000 Minor none 2008-03-08 10.82 10600 Minor none 2008-07-23 12.43 17000 Minor none 2008-12-12 12.07 15800 Minor none 2009-07-30 10.61 11500 Minor none 2010-01-25 10.78 11900 Minor none 2010-03-23 11.64 14400 Minor none 2010-10-01 15.69 30700 minor none 2010-12-01 12.29 16500 Minor none 2011-03-07 11.37 13600 Minor none 2011-03-11 13.07 19300 Minor none 2011-08-28 15.6 30300 Minor none 2011-09-07 13.64 21500 Minor none 2011-09-08 11.39 13700 Minor none 2012-05-15 12.26 16400 Minor none 2012-09-18 14.58 25400 Minor none 2013-03-12 10.18 10400 Minor none

Codes and description

C1|Crest information looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 01:02 PM Jun 12, 2013