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 10302.00 cfs

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

Sat, Sep 11, 2021 3548.38 7,469,777 6195 10302 92.0 72.0 79.0

Wed, Apr 05, 2017 3597.14 11,479,256 24998 10302 61.0 37.0 53.0

Tue, Apr 24, 2012 3635.79 15,511,430 7023 10302 90.0 62.1 64.0

Tue, Nov 18, 2008 3622.65 14,046,076 7502 10302 63.0 39.0 60.0

Sun, Feb 11, 2007 3598.78 11,634,067 8092 10302 53.1 44.1 48.0

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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