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 outflow from Lake Powell was 7090 cfs

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

Sun, Mar 26, 2023 3521.82 5,363,673 9959 7090 47.7 29.3 --

Sat, Nov 25, 1989 3661.80 18,729,706 6822 7090 63.0 35.0 --

Sat, Oct 15, 1988 3684.80 21,966,208 6624 7090 80.0 50.0 --

Sun, Jan 27, 1980 3673.31 20,453,724 9980 7090 56.0 33.0 --

Wed, May 18, 1977 3653.37 17,861,718 9828 7090 66.0 41.0 --

Sun, Mar 14, 1976 3664.99 19,421,924 9417 7090 69.0 27.0 --

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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