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 7880 cfs

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

Sun, Jul 16, 1989 3675.54 20,615,686 5692 7880 106.0 71.0 --

Sun, Jul 10, 1988 3693.14 23,236,824 12385 7880 101.0 63.0 --

Sun, Mar 15, 1987 3678.45 21,033,242 21682 7880 64.0 39.0 --

Sun, Apr 11, 1982 3663.55 19,050,392 7907 7880 75.0 50.0 --

Sun, May 10, 1981 3677.64 21,040,578 13803 7880 83.0 48.0 --

Sun, Dec 28, 1980 3681.27 21,600,900 9663 7880 53.0 35.0 --

Thu, Nov 24, 1966 3524.44 6,080,338 6760 7880 56.0 32.0 --

Wed, Mar 31, 1965 3491.88 4,217,513 10923 7880 76.0 43.0 --

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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