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 outflow from Lake Powell was 7350.00 cfs

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

Tue, Oct 25, 1994 3653.81 17,694,642 8180 7350 71.0 49.0 --

Sat, Jul 02, 1988 3693.12 23,233,738 20056 7350 100.0 66.0 --

Tue, Sep 28, 1982 3687.22 22,424,818 13630 7350 67.0 53.0 --

Sat, Oct 14, 1978 3638.88 16,049,746 5508 7350 78.0 50.0 --

Sat, Oct 21, 1972 3607.52 12,745,008 42911 7350 60.0 44.0 --

Mon, Oct 16, 1967 3528.25 6,313,447 7530 7350 68.0 43.0 --

Sun, Mar 13, 1966 3533.83 6,690,846 13648 7350 66.0 40.0 --

Sun, Feb 06, 1966 3534.82 6,757,721 8780 7350 51.0 34.0 --

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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