Little Cobbosseecontee

Winthrop, Kennebec, Maine
MIDAS 8065

Secchi transparency (mean, maximum & minimum annual values)

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Little Cobbosseecontee
MIDAS 8065 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1976 2 3.3 4.1 6.6 10.8 13.5
1977 n/a n/a n/a n/a n/a n/a
1978 3 3.0 3 9.8 9.8 9.8
1979 2.2 3.3 4.3 7.2 10.9 14.1
1980 1.6 2.8 4.5 5.2 9.2 14.8
1981 1.8 2.5 3 5.9 8.1 9.8
1982 0.8 2.7 4.4 2.6 9.0 14.4
1983 0.9 2.6 4.1 3.0 8.6 13.5
1984 n/a n/a n/a n/a n/a n/a
1985 1.4 2.6 4.1 4.6 8.5 13.5
1986 1.3 2.8 4.8 4.3 9.1 15.7
1987 1.8 2.9 4.4 5.9 9.4 14.4
1988 2.2 3.2 4.9 7.2 10.5 16.1
1989 n/a n/a n/a n/a n/a n/a
1990 2.6 3.5 4.6 8.5 11.5 15.1
1991 2.1 3.3 3.8 6.9 11.0 12.5
1992 2.9 3.7 4.8 9.5 12.3 15.7
1993 3.4 3.7 4.2 11.2 12.3 13.8
1994 2.1 3.2 4.4 6.9 10.4 14.4
1995 3.4 3.9 4.7 11.2 12.7 15.4
1996 2.7 3.3 3.6 8.9 10.7 11.8
1997 2.1 2.8 3.4 6.9 9.2 11.2
1998 2 3.1 4.3 6.6 10.2 14.1
1999 1.5 2.7 5 4.9 8.9 16.4
2000 2 3.2 4.2 6.6 10.5 13.8
2001 2.7 4.1 5 8.9 13.5 16.4
2002 2 3.4 4.8 6.6 11.1 15.7
2003 1.7 2.9 4 5.6 9.6 13.1
2004 2.4 3.5 4.5 7.9 11.5 14.8
2005 3 3.9 4.6 9.8 12.7 15.1
2006 2.9 3.6 4.1 9.5 11.7 13.5
2007 3.7 4.2 4.8 12.1 13.7 15.7
2008 2.6 3.8 4.3 8.5 12.4 14.1
2009 2.8 3.2 3.5 9.2 10.6 11.5
2010 2.2 3.4 5.1 7.2 11.0 16.7
2011 2.8 3.4 3.8 9.2 11.2 12.5
2012 2 3.7 4.9 6.6 12.2 16.1
2013 3 4.1 5.1 9.8 13.5 16.7
2014 3.2 4.9 6.2 10.5 16.2 20.3
2015 3.1 3.9 4.6 10.2 12.9 15.1
2016 2.2 4.1 6.4 7.2 13.6 21.0
2017 3.8 4.7 5.6 12.5 15.4 18.4
2018 2.9 4.4 6.7 9.5 14.3 22.0
2019 2.4 3.7 4.8 7.9 12.0 15.7
2020 2 2.4 2.8 6.6 8.0 9.2
2021 2.5 2.9 3.2 8.2 9.4 10.5


Understanding Transparency

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Distribution of Secchi Disk Transparency in All Maine Lakes

Source Data:
Maine Lakes Transparency, Color & Chemistry: Annual Mean Values

Date-specific Secchi data for this and other Maine lakes can be found HERE