Lake Powell Water Database

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powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where Lake Powell elevation was 3678.33 feet above Sea Level

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Fri, Feb 18, 2000 3678.33 21,015,866 8225.00 11533.00 50.0 31.0 --

Tue, May 05, 1998 3678.33 21,015,866 39692.00 14800.00 78.0 48.0 --

Sun, Jan 15, 1989 3678.33 21,015,862 5793.00 7320.00 56.0 7.0 --

Tue, Jul 28, 1981 3678.33 21,140,560 6621.00 16600.00 99.0 74.0 --

Sun, Jun 24, 1979 3678.33 21,202,908 45638.00 8820.00 98.0 64.0 --

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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation

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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data