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 3681.23 feet above Sea Level

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

Thu, Dec 15, 1988 3681.23 21,437,808 6144.00 12400.00 73.0 35.0 --

Thu, Apr 16, 1987 3681.23 21,437,808 22998.00 15200.00 84.0 51.0 --

Mon, Jan 19, 1987 3681.23 21,437,808 14251.00 20500.00 39.0 20.0 --

Sun, Jan 04, 1981 3681.23 21,563,566 9018.00 11900.00 56.0 32.0 --

Fri, Dec 26, 1980 3681.23 21,595,006 9696.00 9510.00 54.0 30.0 --

Tue, Aug 28, 1979 3681.23 21,626,446 9865.00 20200.00 99.0 66.0 --

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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