Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
SUMNER | OXFORD | 11 | 1 | 0.75 flushes/yr | 510 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
15 m (50 ft) |
6 m (18 ft) |
63 ha (156 ac) |
3,515,648 m3 (2,850 ac-ft) |
4 km2 (1.6 mi2) |
Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.
Year | Color | Alk | SpCon | pH | TP-EC | TP-SG | TP-BG | TP-PG | SDT-Min | SDT-Avg | SDT-Max | SDT-n | SDT-b | Chl-Min | Chl-Avg | Chl-Max |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1982 | 5.0 | 6.8 | 8.0 | 5 | ||||||||||||
1983 | 5.5 | 2.0 | 7.0 | 8.2 | 8.4 | 8.6 | 1 | 1.6 | 1.6 | 1.6 | ||||||
1984 | 13.0 | 12.5 | 8.7 | 8.7 | 8.7 | 1 | 1.9 | 1.9 | 1.9 | |||||||
1985 | 8.4 | 8.6 | 8.7 | 2 | ||||||||||||
1986 | 6.3 | 6.9 | 7.5 | 2 | ||||||||||||
1987 | 4.0 | 11.0 | 8.5 | 8.5 | 8.5 | 1 | 2.5 | 2.5 | 2.5 | |||||||
1990 | 6.0 | 6.6 | 6.6 | 6.6 | 1 | |||||||||||
1991 | 6.6 | 5.8 | 11.0 | 6.3 | 7.6 | 8.4 | 5 | |||||||||
1992 | 6.0 | 6.5 | 4.7 | 7.0 | 7.9 | 8.9 | 5 | |||||||||
1993 | 6.2 | 6.2 | 5.5 | 10.0 | 6.2 | 8.1 | 9.5 | 3 | 2.5 | 2.9 | 3.3 | |||||
1995 | 6.6 | 4.4 | 8.5 | 6.6 | 8.5 | 9.7 | 5 | |||||||||
1997 | 7.0 | 7.0 | 5.5 | 8.8 | 5.2 | 6.9 | 8.0 | 4 | 3.0 | 3.3 | 3.7 | |||||
1998 | 13.0 | 6.8 | 5.0 | 6.0 | 6.0 | 6.0 | 6.0 | 1 | 3.5 | 3.5 | 3.5 | |||||
1999 | 6.5 | 6.8 | 6.6 | 8.0 | 6.0 | 6.7 | 7.8 | 5 | 1.7 | 3.1 | 4.0 | |||||
2000 | 7.6 | 6.7 | 8.8 | 9.0 | 5.2 | 6.0 | 6.8 | 5 | 2.7 | 4.7 | 5.8 | |||||
2001 | 6.0 | 6.8 | 7.0 | 8.0 | 5.9 | 6.8 | 7.9 | 5 | 1.5 | 1.7 | 1.9 | |||||
2002 | 7.0 | 6.8 | 7.0 | 11.0 | 5.4 | 6.6 | 7.0 | 5 | 2.2 | 3.1 | 4.3 | |||||
2003 | 6.2 | 25 | 6.8 | 6.4 | 5.5 | 7.3 | 8.2 | 5 | 1.6 | 2.6 | 4.1 | |||||
2004 | 6.9 | 6.7 | 5.2 | 9.0 | 7.0 | 7.4 | 8.3 | 5 | 1.6 | 2.3 | 2.8 | |||||
2005 | 5.4 | 15 | 6.7 | 6.5 | 16.0 | 6.7 | 7.1 | 8.0 | 4 | 1.5 | 2.4 | 3.4 | ||||
2006 | 6.3 | 7.2 | 5.8 | 10.0 | 6.0 | 6.9 | 7.6 | 4 | 2.6 | 2.7 | 2.9 | |||||
2007 | 6.0 | 6.6 | 7.3 | 6.4 | 7.2 | 7.6 | 3 | 1.6 | 2.1 | 2.5 | ||||||
2008 | 6.7 | 7.4 | 6.5 | 7.3 | 8.4 | 5 | 1.8 | 2.9 | 3.6 | |||||||
2009 | 7.0 | 6.9 | 4.6 | 7.0 | 6.4 | 7.3 | 8.8 | 5 | 2.0 | 3.0 | 4.0 | |||||
2010 | 6.5 | 6.0 | 10.0 | 6.9 | 7.5 | 8.3 | 5 | 2.0 | 2.3 | 2.5 | ||||||
2011 | 6.5 | 6.8 | 4.8 | 6.6 | 7.7 | 6 | 1.4 | 2.6 | 4.7 | |||||||
2012 | 9.0 | 5.7 | 22 | 7.0 | 4.4 | 9.5 | 6.0 | 7.0 | 8.0 | 5 | 2.0 | 3.5 | 5.7 | |||
2013 | 7.5 | 6.0 | 9.0 | 5.8 | 6.5 | 7.3 | 5 | 1.7 | 2.6 | 3.7 | ||||||
2014 | 7.0 | 23 | 5.2 | 8.0 | 6.7 | 7.1 | 7.5 | 5 | 1.7 | 3.0 | 5.1 | |||||
2015 | 8.5 | 22 | 4.4 | 12.0 | 6.6 | 7.6 | 8.8 | 5 | 2.6 | 3.6 | 4.2 | |||||
2016 | 3.0 | 6.5 | 27 | 7.2 | 5.2 | 10.0 | 7.7 | 8.2 | 8.6 | 5 | 1.3 | 1.7 | 2.1 | |||
2017 | 5.0 | 53 | 7.1 | 5.6 | 10.0 | 5.4 | 6.8 | 7.8 | 5 | 2.0 | 2.5 | 3.0 | ||||
2018 | 7.4 | 7.2 | 34 | 7.2 | 4.7 | 8.5 | 6.6 | 7.5 | 8.1 | 6 | 1.0 | 2.3 | 4.0 |
Avg Color | Avg Alk | Avg SpCon | pH | Avg TP-EC | Avg TP-SG | Avg TP-BG | Avg TP-PG | SDT-Min | SDT-Avg | SDT-Max | SDT-n | Chl-Min | Chl-Avg | Chl-Max |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
6.5 | 6.8 | 28 | 6.8 | 5.9 | 9.6 | 4.8 | 7.3 | 9.7 | 4.1 | 1 | 2.7 | 5.8 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 25.2 | 8.4 | 24.4 | 8.4 | 24.8 | 8.4 | 25.2 | 7.9 | 24.8 | 8.5 | 23.5 | 8.3 | 26.5 | 7.9 | 22.3 | 8.7 |
1 | 24.8 | 8.4 | 24.4 | 8.4 | 23.8 | 8.6 | 25.2 | 7.9 | 24.3 | 8.5 | 22.8 | 8.5 | 26.0 | 7.9 | 22.0 | 8.7 |
2 | 24.6 | 8.4 | 24.3 | 8.4 | 23.0 | 8.6 | 25.2 | 8.0 | 24.2 | 8.5 | 22.6 | 8.5 | 25.8 | 7.9 | 21.7 | 8.7 |
3 | 24.3 | 8.4 | 23.4 | 8.5 | 22.7 | 8.7 | 25.2 | 8.0 | 24.1 | 8.5 | 22.6 | 8.5 | 25.7 | 7.9 | 21.7 | 8.7 |
4 | 24.2 | 8.3 | 22.3 | 8.8 | 22.5 | 8.7 | 25.1 | 8.0 | 23.8 | 8.5 | 22.5 | 8.5 | 25.6 | 7.9 | 21.6 | 8.7 |
5 | 21.5 | 11.8 | 20.4 | 9.6 | 21.8 | 8.7 | 24.0 | 8.0 | 23.7 | 8.5 | 22.3 | 8.4 | 25.0 | 7.9 | 21.6 | 8.7 |
6 | 16.1 | 12.8 | 16.0 | 9.5 | 17.3 | 11.7 | 20.5 | 11.1 | 22.9 | 8.6 | 16.9 | 12.4 | 19.3 | 12.2 | 21.4 | 8.7 |
7 | 12.9 | 9.4 | 11.8 | 7.4 | 12.7 | 10.0 | 15.9 | 12.3 | 18.6 | 11.5 | 12.5 | 12.7 | 13.9 | 13.0 | 16.8 | 12.7 |
8 | 11.2 | 5.7 | 9.9 | 4.7 | 9.5 | 7.0 | 11.9 | 10.2 | 14.1 | 9.4 | 10.2 | 10.7 | 11.0 | 11.6 | 12.6 | 11.5 |
9 | 9.9 | 3.5 | 9.3 | 3.7 | 8.3 | 4.8 | 9.7 | 6.6 | 11.7 | 6.4 | 8.9 | 8.1 | 9.2 | 8.6 | 9.9 | 7.2 |
10 | 9.4 | 2.1 | 8.8 | 2.4 | 8.0 | 3.7 | 9.0 | 4.8 | 10.5 | 4.4 | 8.2 | 5.4 | 8.2 | 5.8 | 8.7 | 3.9 |
11 | 9.2 | 1.5 | 8.5 | 1.8 | 7.8 | 3.3 | 8.6 | 3.2 | 9.9 | 2.7 | 7.9 | 4.3 | 7.8 | 4.2 | 8.2 | 2.3 |
12 | 9.1 | 1.1 | 8.4 | 1.5 | 7.6 | 2.9 | 8.4 | 2.7 | 9.6 | 2.1 | 7.7 | 3.9 | 7.6 | 3.3 | 7.9 | 1.5 |
13 | 9.0 | 0.8 | 8.3 | 1.3 | 7.5 | 2.6 | 8.2 | 2.2 | 9.2 | 1.3 | 7.6 | 3.2 | 7.5 | 2.6 | 7.8 | 1.0 |
14 | 9.0 | 0.8 | 8.2 | 1.0 | 7.5 | 2.5 | 8.1 | 1.9 | 9.1 | 1.0 | 7.5 | 2.8 | 7.4 | 2.1 | 7.6 | 0.7 |
15 | 9.0 | 0.5 | 8.2 | 0.9 | 7.5 | 2.3 | 8.1 | 1.8 | 9.0 | 0.9 | 7.5 | 0.4 | ||||
16 | 7.3 | 1.6 |