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 7460 cfs

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

Wed, Apr 27, 1988 3683.39 21,756,094 17317 7460 78.0 46.0 --

Sun, Dec 26, 1982 3685.07 22,101,662 14968 7460 n/a n/a --

Sat, Jun 06, 1981 3678.74 21,200,152 25705 7460 100.0 64.0 --

Wed, Dec 03, 1975 3667.26 19,761,782 11678 7460 48.0 29.0 --

Sat, Oct 23, 1971 3614.01 13,435,393 9751 7460 64.0 42.0 --

Mon, Mar 15, 1965 3492.10 4,228,952 8583 7460 61.0 33.0 --

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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