Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where Lake Powell elevation was 3682.07 feet above Sea Level

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

Mon, May 31, 1999 3682.07 21,561,176 43998.00 16420.00 94.0 64.0 --

Fri, Jan 08, 1999 3682.07 21,561,176 13042.00 17251.00 57.0 31.0 --

Fri, Feb 19, 1988 3682.07 21,561,300 9759.00 15700.00 55.0 25.0 --

Mon, Apr 20, 1987 3682.07 21,561,300 29240.00 14400.00 68.0 41.0 --

Sat, Feb 26, 1983 3682.07 21,624,266 11791.00 8390.00 58.0 35.0 --

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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