Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where inflow into Lake Powell was 8909.00 cfs

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

Sat, Mar 20, 2010 3619.91 13,753,704 8909 9164 54.0 35.1 51.0

Mon, Sep 25, 1995 3687.88 22,429,234 8909 18200 87.0 54.0 --

Sat, Sep 11, 1993 3663.75 18,988,652 8909 10800 96.0 63.0 --

Tue, Sep 08, 1981 3673.31 20,423,062 8909 11700 81.0 59.0 --

Sun, Sep 21, 1980 3688.76 22,722,806 8909 14300 86.0 51.0 --

Sun, Sep 07, 1969 3574.93 9,765,664 8909 12800 91.0 70.0 --

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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