Independent water-data site. Not a government website. Every number comes from official agency gauges.

Dexter Lake water level history

Daily records since 1989 · Level today: 692.59 ft

Highest on record
694.60 ft
Apr 17, 1999
Lowest on record
690.21 ft
Dec 22, 2010
Today
692.59 ft
Oct 21, 2026
Years of data
37
since 1989

In short

Across 36 complete years, 2010 had the lowest average level (691.45 ft) and 1994 the highest (693.06 ft).

On average the lake is lowest in August (692.44 ft) and highest in April (692.72 ft).

Dexter Lake level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Lowest years

Years ranked by their lowest daily level.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (293 days)692.63690.89Mar 4694.31Jul 8
2025692.45690.84Dec 16693.99Mar 20
2024692.69690.63Dec 3694.37Jul 17
2023692.47690.81Apr 2694.43May 16
2022692.30690.46Dec 8694.10Apr 27
2021692.74691.05Oct 8694.29Feb 13
2020692.71690.58Jul 28694.35Jul 21
2019692.73691.11Dec 27694.21Apr 9
2018692.80691.55Jan 31694.16Apr 13
2017692.70690.41Sep 26694.24Aug 28
2016692.40690.53Nov 7694.00Jul 22
2015692.36691.18Jun 9693.84Nov 15
2014692.87691.07Apr 5694.19Nov 20
2013692.68691.25Nov 16694.02Oct 25
2012692.92690.56Nov 1694.53Feb 28
2011691.61690.23Jan 1693.93Dec 30
2010691.45690.21Dec 22693.53Apr 20
2009692.54691.50May 28693.76Jan 9
2008692.58690.71Jan 15693.80Jul 22
2007692.54691.47May 28693.55Mar 16
2006692.57690.74Oct 11693.91Dec 17
2005692.48690.51Oct 24693.73Dec 23
2004692.62691.04Aug 21693.60Dec 9
2003692.58691.15Mar 28694.20Jul 29
2002692.53691.17Apr 15694.34Feb 12
2001692.76691.24May 23693.88Feb 4
2000692.66691.20Apr 13693.91Sep 23
1999692.80691.71Nov 21694.60Apr 17
1998692.70690.26Jun 17694.02Jun 1
1997692.66691.67Oct 31693.57Jul 20
1996692.83691.72Feb 4693.67Jun 24
1995692.70691.47Feb 21694.24Nov 26
1994693.06691.71Dec 31693.98Oct 14
1993692.61691.55May 29693.62Jun 26
1992692.82691.67Dec 8693.66Jun 4
1991693.04691.71May 23694.30May 20
1990692.68691.50Apr 12694.05Apr 29
1989 (1 days)692.58692.58Dec 31692.58Dec 31

Levels in feet. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January692.63690.23694.17
February692.71690.35694.53
March692.70690.51694.12
April692.72690.26694.60
May692.64690.38694.43
June692.59690.26694.19
July692.63690.32694.37
August692.44690.34694.24
September692.48690.35693.91
October692.59690.38694.15
November692.55690.31694.25
December692.53690.21693.93

Download

Daily levels as CSV (13,414 rows; credit the original agencies listed below)