Lake Powell Water Database

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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 3681.56 feet above Sea Level

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

Fri, Dec 09, 1988 3681.56 21,486,328 6166.00 12300.00 55.0 28.0 --

Tue, Apr 22, 1986 3681.56 21,486,328 28726.00 30200.00 86.0 55.0 --

Sun, Apr 20, 1986 3681.56 21,486,328 28945.00 26000.00 73.0 46.0 --

Sun, Mar 23, 1986 3681.56 21,486,328 16628.00 26600.00 73.0 46.0 --

Mon, Jan 23, 1984 3681.56 21,517,784 8954.00 24100.00 41.0 19.0 --

Fri, Dec 12, 1980 3681.56 21,643,604 8595.00 18200.00 47.0 28.0 --

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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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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