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 7720 cfs

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

Sun, Apr 11, 1993 3619.07 13,664,956 18754 7720 71.0 47.0 --

Sat, Feb 21, 1981 3678.18 21,118,730 8184 7720 54.0 32.0 --

Sun, Jun 10, 1979 3670.96 20,153,972 63737 7720 84.0 46.0 --

Wed, Mar 17, 1971 3602.28 12,240,390 10129 7720 68.0 38.0 --

Fri, Feb 12, 1971 3601.99 12,211,686 12653 7720 66.0 34.0 --

Fri, Oct 09, 1970 3599.12 11,950,240 10849 7720 69.0 41.0 --

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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