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 outflow from Lake Powell was 22900.00 cfs

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

Thu, Sep 19, 1985 3686.99 22,294,498 15646 22900 72.0 52.0 --

Mon, Apr 22, 1985 3681.69 21,505,422 51391 22900 68.0 44.0 --

Mon, Jan 09, 1984 3683.79 21,847,326 13511 22900 54.0 30.0 --

Sat, Jan 22, 1983 3683.49 21,834,198 12052 22900 45.0 27.0 --

Wed, Jul 17, 1974 3664.80 19,455,310 8771 22900 93.0 70.0 --

Wed, Dec 13, 1972 3608.10 12,803,910 11809 22900 38.0 23.0 --

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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