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 7620 cfs

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

Sun, Oct 23, 1994 3653.83 17,697,182 8407 7620 72.0 43.0 --

Tue, Dec 05, 1989 3661.16 18,645,528 5763 7620 51.0 22.0 --

Sat, Nov 14, 1981 3671.35 20,147,512 8190 7620 62.0 45.0 --

Wed, May 27, 1981 3677.54 21,026,162 8612 7620 82.0 58.0 --

Sat, Jan 02, 1971 3599.95 12,011,812 10181 7620 45.0 24.0 --

Mon, Mar 29, 1965 3491.75 4,210,766 11154 7620 64.0 37.0 --

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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