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 28000.00 cfs

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

Sun, Jan 04, 1987 3683.64 21,793,344 15435 28000 49.0 28.0 --

Wed, Sep 10, 1986 3692.95 23,207,242 12854 28000 78.0 62.0 --

Mon, Sep 01, 1986 3694.58 23,462,072 17541 28000 85.0 58.0 --

Mon, Apr 28, 1986 3681.75 21,514,250 33645 28000 83.0 46.0 --

Tue, Aug 13, 1985 3694.87 23,507,608 11864 28000 94.0 66.0 --

Sun, Jul 06, 1980 3700.26 24,526,026 31898 28000 99.0 77.0 --

Thu, Apr 12, 1973 3594.22 11,426,073 10809 28000 73.0 47.0 --

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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