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 inflow into Lake Powell was 6392.00 cfs

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

Sat, Dec 22, 2001 3657.22 18,131,174 6392 13379 44.1 24.1 --

Mon, Mar 12, 1990 3652.26 17,498,892 6392 8520 45.0 27.0 --

Mon, Sep 25, 1989 3665.92 19,280,230 6392 16500 92.0 59.0 --

Thu, Nov 10, 1988 3683.56 21,781,448 6392 12200 77.0 43.0 --

Wed, Nov 09, 1988 3683.69 21,800,802 6392 13900 77.0 44.0 --

Wed, Nov 09, 1977 3635.28 15,652,106 6392 8580 53.0 30.0 --

Thu, Sep 21, 1972 3604.82 12,473,049 6392 15400 80.0 51.0 --

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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