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

Chautauqua Lake water level history

Daily records since 1972 · Level today: 1,307.97 ft

Highest on record
1,311.16 ft
Mar 5, 1976
Lowest on record
1,306.22 ft
Dec 15, 1998
Today
1,307.97 ft
Oct 21, 2026
Years of data
54
since 1972

In short

Across 50 complete years, 2001 had the lowest average level (1,307.68 ft) and 2018 the highest (1,308.35 ft).

On average the lake is lowest in February (1,307.60 ft) and highest in May (1,308.34 ft).

Chautauqua 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)1,308.241,306.85Feb 161,309.01Jan 11
20251,307.851,306.85Feb 251,308.85May 6
20241,307.911,307.06Nov 201,309.16Apr 14
20231,307.961,307.31Nov 161,308.52Apr 2
20221,308.031,306.88Feb 91,309.15Feb 24
20211,308.011,307.13Jan 251,309.75Jul 18
20201,307.891,307.04Dec 221,308.51Aug 4
20191,308.171,307.37Nov 301,308.89Feb 8
20181,308.351,307.50Jan 101,309.26Nov 3
20171,308.241,307.37Dec 181,309.84Jan 13
20161,308.021,307.46Jan 311,308.71Oct 31
20151,307.901,306.66Mar 101,309.06Jun 16
20141,308.111,307.13Mar 101,309.79May 23
20131,308.181,307.13Dec 191,309.15Feb 1
20121,307.921,307.39Sep 211,309.03Nov 2
20111,308.151,306.78Feb 161,309.95Mar 12
20101,307.921,306.56Mar 91,308.65Oct 7
20091,308.191,307.11Feb 71,309.73Mar 12
20081,308.271,307.57Jan 291,309.83Dec 29
20071,308.031,306.99Mar 11,309.56Jan 16
20061,308.211,307.31Mar 81,309.49Oct 29
20051,308.051,307.29Mar 191,309.66Apr 8
20041,308.171,306.84Feb 201,309.69May 25
20031,308.231,306.99Feb 221,309.12Mar 27
20021,307.961,306.86Jan 231,309.62May 18
20011,307.681,306.63Dec 131,308.52Apr 10
20001,307.861,306.65Feb 101,308.85May 20
1999 (329 days)1,307.651,306.61Jan 171,308.54May 26
19981,307.771,306.22Dec 151,310.40Jan 10
19971,308.081,307.31Nov 211,309.13Mar 15
19961,308.151,306.81Jan 161,309.09May 12
19951,307.701,306.81Jan 111,308.37May 15
19941,307.941,306.63Feb 181,310.27Apr 14
19931,307.921,306.85Mar 41,309.63Apr 2
19921,307.921,306.73Feb 151,308.85Sep 23
19911,307.691,306.65Nov 91,309.60Jan 1
19901,308.231,307.31Jan 11,309.66Dec 31
19891,307.851,307.15Dec 301,309.40May 12
19881,307.761,307.01Jan 171,308.65Oct 20
19871,307.731,306.35Feb 281,308.56Apr 8
19861,308.131,306.99Jan 171,309.97Jul 21
19851,308.071,306.93Feb 131,309.56Nov 17
19841,308.011,306.69Feb 21,309.71Jun 19
19831,307.981,306.66Mar 61,308.79May 4
19821,308.011,306.72Mar 101,309.11Apr 1
19811,308.011,306.73Jan 261,309.99Feb 24
19801,307.941,306.56Mar 71,308.90Oct 27
19791,308.001,306.73Feb 231,310.10Sep 15
19781,307.771,306.36Mar 111,309.00Apr 7
19771,308.101,306.60Feb 121,309.77Sep 27
19761,308.211,307.44Nov 251,311.16Mar 5
19751,308.291,307.53Jan 71,309.53Feb 26
1974 (61 days)1,308.101,307.66Dec 301,308.92Nov 25
1973 (273 days)1,308.181,307.51Mar 21,308.95Mar 18
1972 (82 days)1,308.221,307.75Dec 31,308.69Nov 15

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

Monthly averages

MonthAverageLowestHighest
January1,307.821,306.611,310.40
February1,307.601,306.351,310.42
March1,307.951,306.361,311.16
April1,308.291,307.371,310.27
May1,308.341,307.711,309.90
June1,308.281,307.711,309.94
July1,308.161,307.541,309.97
August1,308.051,307.311,309.13
September1,307.981,306.901,310.10
October1,307.971,306.781,309.49
November1,307.821,306.441,309.56
December1,307.831,306.221,309.83

Download

Daily levels as CSV (19,255 rows; credit the original agencies listed below)