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 10026 cfs

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

Fri, Mar 05, 2010 3619.91 13,753,704 6523 10026 55.0 33.1 50.0

Thu, Sep 24, 2009 3635.74 15,505,656 8576 10026 81.0 57.0 75.0

Wed, Sep 09, 2009 3636.77 15,624,913 7348 10026 91.9 66.0 78.0

Mon, Mar 27, 2006 3588.85 10,716,729 7379 10026 62.1 42.1 50.0

Mon, Dec 27, 2004 3564.52 8,671,438 5546 10026 39.9 30.9 52.0

Mon, May 17, 2004 3584.99 10,373,063 19865 10026 84.9 70.0 64.0

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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