Lake Powell Water Database

powell
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 3663.35 feet above Sea Level

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

Mon, Apr 21, 1997 3663.35 18,935,258 21732.00 21200.00 85.0 56.0 --

Sun, Apr 20, 1997 3663.35 18,935,258 19991.00 21100.00 82.0 54.0 --

Mon, Apr 07, 1997 3663.35 18,935,258 24701.00 23900.00 60.0 41.0 --

Thu, Sep 16, 1993 3663.35 18,935,258 10294.00 11600.00 87.0 52.0 --

Wed, Mar 10, 1982 3663.35 19,023,712 9845.00 5010.00 63.0 41.0 --

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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