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 8775.00 cfs

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

Tue, Apr 09, 2024 3558.42 7,675,266 8775 10441 63.3 41.1 --

Sun, Sep 22, 2019 3616.23 13,367,628 8775 10169 82.0 53.0 72.0

Thu, Jan 21, 1988 3683.87 21,827,648 8775 16900 42.0 19.0 --

Mon, Jan 31, 1977 3651.78 17,659,122 8775 13200 52.0 26.0 --

Wed, Jan 28, 1970 3569.66 9,308,302 8775 10200 64.0 35.0 --

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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