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 7696 cfs

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

Sun, Mar 13, 2016 3593.72 11,160,628 7696 9484 62.1 37.9 53.0

Wed, Oct 13, 2004 3570.89 9,179,196 7696 8278 70.0 52.0 69.0

Thu, Feb 18, 1999 3679.46 21,179,508 7696 14649 63.0 32.0 --

Wed, Jan 08, 1992 3623.88 14,179,027 7696 13300 43.0 24.0 --

Thu, Sep 26, 1991 3629.08 14,750,429 7696 14700 89.0 60.0 --

Tue, Mar 19, 1968 3523.90 6,026,313 7696 13300 53.0 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