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 7640.00 cfs

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

Mon, Sep 06, 1976 3666.77 19,664,570 5727 7640 83.0 63.0 --

Fri, Jan 31, 1975 3645.78 16,962,098 10202 7640 44.0 31.0 --

Tue, Dec 18, 1973 3647.70 17,254,072 12539 7640 58.0 31.0 --

Mon, Oct 29, 1973 3645.88 17,027,594 10946 7640 68.0 41.0 --

Wed, Nov 30, 1966 3523.57 6,025,303 6250 7640 60.0 35.0 --

Tue, Feb 23, 1965 3491.34 4,189,472 10685 7640 57.0 34.0 --

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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