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

Lake Minnehaha water level history

Daily records since 1946 · Level today: 94.36 ft

Highest on record
99.04 ft
Apr 5, 1960
Lowest on record
87.66 ft
Jun 2, 2002
Today
94.36 ft
Oct 21, 2026
Years of data
80
since 1946

In short

Across 72 complete years, 2002 had the lowest average level (90.20 ft) and 1959 the highest (97.54 ft).

On average the lake is lowest in June (94.88 ft) and highest in October (95.81 ft).

Lake Minnehaha 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 (290 days)94.6293.78Aug 2595.71Jan 1
202596.4095.73Dec 3197.22Jan 1
202496.7595.42Jun 2798.81Oct 23
202396.2395.47Nov 1097.20Feb 1
202296.6095.67Aug 2297.50Nov 28
202196.7795.72Jun 1397.32Sep 17
202096.7795.96Jul 397.29Sep 30
201996.6995.64Jun 697.45Oct 22
201896.8996.28May 1397.34Sep 17
201796.5595.23May 3097.75Oct 9
201697.0696.78Jun 597.42Oct 17
201596.9796.40Jul 297.28Feb 10
201493.6992.61Jun 796.80Dec 31
201392.4491.63Apr 2993.18Oct 20
201291.8490.52May 2892.91Oct 19
201192.8192.29Dec 3193.57Apr 8
201093.6792.57Jan 1494.32Sep 12
200992.4591.15May 1793.23Sep 6
200893.3092.51Jun 2494.00Jan 24
200794.4893.86Dec 1495.60Jan 6
200696.2195.44Dec 1297.20Feb 5
200597.0896.60May 3097.47Jul 16
200496.9796.25Aug 697.96Oct 13
200397.2095.55Jan 198.08Sep 7
200290.2087.66Jun 295.32Dec 31
2001 (316 days)89.3888.79Dec 3190.12Sep 16
2000 (302 days)91.6390.08Dec 3193.56Jan 1
199994.2193.40Sep 1795.26Jan 24
1998 (86 days)95.5795.18Dec 3095.99Oct 7
1995 (272 days)96.6896.16Jun 2197.00Sep 7
199494.6493.29May 2896.91Dec 31
199395.5294.22Dec 3196.64Apr 16
1992 (315 days)95.0694.40Jul 3195.43Oct 17
199195.4694.44Mar 1596.61Aug 6
199095.2594.57Jun 195.88Jan 7
198996.3095.55Dec 797.07Jan 23
198896.4896.05Jun 497.20Mar 19
198796.1895.41Oct 3197.08Apr 8
198696.2095.56Jan 196.97Mar 16
198595.0794.05Jun 1295.69Jan 4
198496.6595.67Dec 3197.28Aug 6
198396.8796.33Jan 1997.29Mar 28
198294.5392.83Jan 1296.58Nov 3
198193.5192.49Dec 2094.64Feb 19
198095.8994.59Dec 3197.09Jan 1
197996.1095.09Jan 197.66Sep 30
197894.9093.67Jan 696.24Aug 21
197794.4293.50Nov 2295.55Feb 4
197695.2694.40May 1495.77Jan 1
197595.4994.63May 2896.30Oct 10
197495.6194.21Jun 696.95Sep 10
197395.1294.05Jan 995.98Oct 1
197294.3193.76Nov 2494.75Apr 1
197194.5193.61Jun 2295.01Feb 22
197096.0494.67Dec 2897.88Feb 17
196996.6495.44Jul 1797.55Nov 1
196895.0093.26May 1196.72Nov 10
196795.0394.20Jun 1695.77Feb 22
196696.3495.69Dec 3196.98Mar 5
196595.9395.02Jun 796.58Aug 25
196495.8094.30Jan 197.07Sep 25
196393.7392.72Jan 2294.28Nov 29
196293.3692.82Dec 3194.05Feb 10
196194.9093.87Dec 3196.47Jan 1
196097.3796.16Mar 1699.04Apr 5
195997.5496.26Jan 198.53Apr 27
195896.4895.66Oct 297.62Mar 13
195796.1795.36Feb 1897.07Sep 8
195694.6293.69Jun 1995.80Nov 18
195595.1694.04Jun 1696.20Oct 11
195496.1095.26Dec 2298.27Jan 1
195396.8895.74Mar 2098.84Oct 10
195296.1695.52Sep 2097.06Jan 1
195196.2995.31Jun 1997.66Dec 1
195096.1195.05Jun 1797.31Oct 25
194996.2794.77May 3098.04Oct 12
194897.0795.50Jun 2498.30Oct 13
194796.7095.44Feb 1198.28Oct 6
1946 (92 days)96.5995.97Dec 3097.22Oct 8

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

Monthly averages

MonthAverageLowestHighest
January95.4788.7898.27
February95.4988.7997.88
March95.4888.5598.90
April95.3888.1999.04
May95.0287.6798.48
June94.8887.6697.76
July95.1188.6198.04
August95.4088.9898.11
September95.6289.2398.71
October95.8189.4898.84
November95.6389.0698.67
December95.4988.7998.30

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Daily levels as CSV (27,908 rows; credit the original agencies listed below)