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

Big Cliff Lake water level history

Daily records since 1989 · Level today: 1,194.78 ft

Highest on record
1,204.21 ft
Apr 28, 1990
Lowest on record
1,163.45 ft
Jul 21, 2023
Today
1,194.78 ft
Oct 21, 2026
Years of data
37
since 1989

In short

Across 36 complete years, 2011 had the lowest average level (1,188.39 ft) and 2008 the highest (1,200.04 ft).

On average the lake is lowest in September (1,195.76 ft) and highest in April (1,197.70 ft).

Big Cliff 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)1,195.961,188.38Mar 101,201.23Apr 14
20251,197.281,191.27Dec 21,201.26Feb 23
20241,197.161,191.60Dec 71,203.41May 28
20231,195.821,163.45Jul 211,202.39Nov 9
20221,196.741,189.51Jan 301,203.30Oct 10
20211,197.741,191.95Nov 241,202.21Dec 11
20201,198.101,190.64Feb 51,202.83Feb 7
20191,197.401,188.07Dec 281,202.31Mar 18
20181,197.751,190.99May 21,203.20Feb 3
20171,197.291,169.95Oct 201,203.35Mar 16
20161,197.211,185.96May 51,201.94Aug 25
20151,198.651,189.83Dec 311,203.31Feb 9
20141,196.971,183.06Mar 251,203.34Jul 9
20131,188.481,178.35Jan 131,197.29Dec 28
20121,188.761,185.29Jan 81,192.33Apr 26
20111,188.391,184.99Feb 11,192.13Jan 14
20101,189.261,185.10May 221,193.26Jan 6
20091,190.741,169.92Sep 171,203.46May 15
20081,200.041,193.23Sep 181,203.74Dec 30
20071,199.131,193.18Sep 151,203.21Feb 16
20061,199.641,195.39Dec 31,203.05Jun 13
20051,199.401,185.27Feb 21,202.97Oct 6
20041,198.311,188.22Nov 31,202.77Feb 10
20031,198.091,193.49Jul 41,202.57Mar 23
20021,198.081,190.10Oct 121,202.38May 29
20011,199.231,186.65Aug 221,202.30Oct 31
20001,198.651,189.80Jun 281,202.89Jun 27
19991,198.491,192.67Oct 21,202.83Jun 17
19981,198.051,191.70Oct 251,201.84May 2
19971,198.691,193.35Sep 51,202.89Dec 17
19961,198.901,193.68Sep 131,204.12Feb 7
19951,198.171,192.85Sep 291,201.85Nov 28
19941,198.971,191.61Oct 241,202.79Nov 3
19931,198.481,193.60Oct 81,202.94Apr 3
19921,198.861,190.76Oct 71,202.63Feb 21
19911,198.721,193.60Oct 271,203.78Oct 3
19901,198.491,188.14Jul 181,204.21Apr 28
1989 (1 days)1,200.231,200.23Dec 311,200.23Dec 31

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

Monthly averages

MonthAverageLowestHighest
January1,197.271,178.351,202.91
February1,197.671,184.041,204.12
March1,197.531,183.061,203.35
April1,197.701,185.751,204.21
May1,197.081,183.521,203.53
June1,197.281,178.271,203.05
July1,196.671,163.451,203.34
August1,195.931,169.931,202.15
September1,195.761,169.921,202.96
October1,196.341,169.951,203.78
November1,196.851,180.071,203.25
December1,197.101,180.061,203.74

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Daily levels as CSV (13,440 rows; credit the original agencies listed below)