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 8710.00 cfs

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

Thu, Feb 16, 2012 3636.04 15,540,325 8710 11669 51.1 n/a 48.0

Fri, Oct 10, 2008 3625.95 14,404,244 8710 12177 77.0 63.0 70.0

Thu, Dec 21, 2006 3604.40 12,174,871 8710 13520 43.0 27.0 51.0

Tue, Sep 02, 1980 3690.25 22,950,560 8710 18400 n/a n/a --

Wed, Feb 23, 1977 3651.66 17,643,924 8710 7980 51.0 32.0 --

Fri, Nov 20, 1964 3491.44 4,200,877 8710 6130 45.0 25.0 --

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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