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 7680 cfs

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

Sun, Dec 17, 1989 3659.82 18,469,518 5077 7680 52.0 23.0 --

Sat, Mar 12, 1983 3682.93 21,750,830 16953 7680 67.0 45.0 --

Fri, May 22, 1981 3677.46 21,014,600 8437 7680 74.0 51.0 --

Tue, Jun 05, 1979 3667.71 19,703,592 66054 7680 90.0 61.0 --

Wed, Oct 05, 1977 3636.33 15,774,666 4714 7680 87.0 57.0 --

Tue, Dec 10, 1974 3649.29 17,426,620 9656 7680 45.0 23.0 --

Mon, Feb 26, 1968 3526.07 6,163,331 8883 7680 66.0 40.0 --

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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