Otselic River at Cincinnatus, Cortland County NY (CINN6)
Gage Location: Cortland County, New York	Site Location: Cortland County, New York
Latitude: 42.035	Longitude: -75.803	Elevation: 1031.67 ft. MSL	Drainage Area: 147 Sq. Mi.
Minor Stage: 9 ft.	Moderate Stage: 11.2 ft.	Major Stage: 12.5 ft.
First Flood: 1935-07-08	Last Flood: 2011-09-08 Crest: 9.63 ft.	Datum change: 1969-10-01	Number of Floods: 48

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1935-07-08 12.5 9200 Major *** NWS 1939-02-20 9.34 4400 Minor *** 1940-03-31 9.37 4510 Minor *** 1940-04-08 9.86 5700 Minor *** 1941-04-06 9.44 4980 Minor *** 1941-12-24 9.02 3740 Minor *** 1942-03-09 9.16 3750 Minor *** 1942-03-17 9.51 4610 Minor *** 1942-12-30 10.67 8390 Minor *** 1943-03-17 9.77 5540 Minor *** 1944-03-17 9.66 4950 Minor *** 1945-03-17 9.67 4990 Minor *** 1945-03-22 9.48 4570 Minor *** 1945-10-02 9.78 5250 Minor *** 1946-03-09 9.45 4080 Minor *** 1947-03-25 9.18 3750 Minor *** 1947-04-06 9.59 4400 Minor *** 1947-06-03 9.08 3600 Minor *** 1948-03-17 9.24 4330 Minor *** 1948-03-20 10.27 6670 Minor *** 1948-03-22 9.81 5520 Minor *** 1950-03-28 9.04 3970 Minor *** 1950-04-04 10.68 7830 Minor *** 1950-09-01 9.36 4560 Minor *** 1950-12-04 9.26 4360 Minor *** 1951-03-31 9.91 5750 Minor *** 1952-07-10 9.05 4100 Minor *** 1952-12-11 9.01 3620 Minor *** 1955-03-11 10.19 3700 Minor *** 1955-10-30 9.37 4310 Minor *** 1956-04-05 9.36 4300 Minor *** 1959-01-22 9.65 5630 Minor *** 1961-02-26 9.55 5920 Minor *** 1964-03-05 10.23 6670 Minor *** 1972-06-23 9.39 5530 Minor none 1975-09-26 9.04 5050 Minor none 1976-10-09 9.7 5960 Minor none 1977-03-13 10.05 6730 Minor none 1979-03-06 9.88 6720 Minor none 1980-03-22 9.03 5380 Minor none 1982-02-04 9.42 -9999 Minor (1) 1983-12-14 9.45 6400 Minor none 1986-03-15 9.22 6010 Minor none 1993-04-11 9.94 7130 Minor none 1996-01-19 10.89 8000 Minor (E) (1) (9 2005-04-03 10.55 12200 Minor none 2006-06-28 9.59 8100 Minor none 2011-09-08 9.63 6510 Minor none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012