Upper Range Pond

Poland, Androscoggin, Maine
MIDAS 3688

Secchi transparency (mean, maximum & minimum annual values)

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Upper Range Pond
MIDAS 3688 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1979 6.7 6.7 6.7 22.0 22.0 22.0
1980 4.8 5.6 6.5 15.7 18.3 21.3
1981 7 7.0 7 23.0 23.0 23.0
1982 n/a n/a n/a n/a n/a n/a
1983 n/a n/a n/a n/a n/a n/a
1984 n/a n/a n/a n/a n/a n/a
1985 6 6.0 6 19.7 19.7 19.7
1986 n/a n/a n/a n/a n/a n/a
1987 n/a n/a n/a n/a n/a n/a
1988 n/a n/a n/a n/a n/a n/a
1989 5.5 5.5 5.5 18.0 18.0 18.0
1990 n/a n/a n/a n/a n/a n/a
1991 6.6 6.8 7 21.7 22.3 23.0
1992 6.5 7.0 7.6 21.3 22.9 24.9
1993 6 6.7 7.9 19.7 21.9 25.9
1994 5.7 6.3 6.8 18.7 20.6 22.3
1995 7.1 7.4 7.7 23.3 24.3 25.3
1996 5.2 5.6 6.2 17.1 18.5 20.3
1997 5.2 6.2 7.2 17.1 20.3 23.6
1998 3.9 5.3 7.2 12.8 17.4 23.6
1999 5.5 6.5 7.2 18.0 21.3 23.6
2000 5.3 6.4 7.6 17.4 21.1 24.9
2001 5.4 6.3 7.3 17.7 20.6 24.0
2002 5.8 6.6 7.5 19.0 21.7 24.6
2003 6.7 6.8 6.8 22.0 22.1 22.3
2004 6.5 6.7 6.8 21.3 21.8 22.3
2005 4.1 5.5 6.5 13.5 18.1 21.3
2006 5.4 5.7 6 17.7 18.7 19.7
2007 6.4 6.5 6.5 21.0 21.2 21.3
2008 5.5 6.8 8.5 18.0 22.4 27.9
2009 5.7 6.2 6.8 18.7 20.3 22.3
2010 5.7 6.4 6.8 18.7 21.0 22.3
2011 6.7 7.1 7.8 22.0 23.4 25.6
2012 5.2 5.9 6.4 17.1 19.3 21.0
2013 5.6 6.2 7.2 18.4 20.3 23.6
2014 5.9 6.4 6.8 19.4 21.0 22.3
2015 6.2 7.2 7.6 20.3 23.6 24.9
2016 6 7.0 7.8 19.7 22.9 25.6
2017 6.3 6.6 6.8 20.7 21.5 22.3
2018 6.5 6.9 7.3 21.3 22.6 24.0
2019 5.2 5.9 6.4 17.1 19.4 21.0
2020 6.4 7.0 7.4 21.0 23.0 24.3
2021 5.2 5.6 5.9 17.1 18.4 19.4
2022 5.6 6.9 7.4 18.4 22.8 24.3


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

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